Battery and assembled battery using the same

A battery comprising:

• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions,
• wherein the positive terminal electrode is formed by stacking end portions of the positive electrode collectors and protruding the end portions from the battery enclosure, and
• wherein the negative terminal electrode is formed by stacking end portions of the negative electrode collectors and protruding the end portions from the battery enclosure.

A battery comprising:

• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions,
• wherein the positive electrode collectors include one or more thicker collectors than other collectors, each of the thicker collectors for the positive terminal electrode protrude from the battery enclosure, and the other collectors are electrically connected to the thicker collectors, and
• wherein the negative electrode collectors include one or more thicker collectors than other collectors, each of the thicker collectors for the negative terminal electrode protrudes from the battery enclosure, and the other collectors are electrically connected to the thicker collectors.

An assembled battery comprising:

• two or more of batteries;
• and
• an outer case in which the batteries are accommodated,
• wherein each of the batteries comprises:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, each of the positive electrode collectors being electrically connected to the positive terminal electrode in the battery enclosure, and each of the negative electrode collectors being electrically connected to the negative terminal electrode in the battery enclosure.

An assembled battery comprising:

• two or more of batteries;
• and
• an outer case in which the batteries are accommodated,
• wherein each of the batteries comprises
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive terminal electrode being formed by stacking end portions of the positive electrode collectors and protruding the end portions from the battery enclosure, and the negative terminal electrode being formed by stacking end portions of the negative electrode collectors and protruding the end portions from the battery enclosure.

An assembled battery comprising:

• two or more of batteries;
• and
• an outer case in which the batteries are accommodated,
• wherein each of the batteries comprises:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the positive terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors, and the negative electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the negative terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, each of the positive electrode collectors being electrically connected to the positive terminal electrode in the battery enclosure, and each of the negative electrode collectors being electrically connected to the negative terminal electrode in the battery enclosure,
• wherein the protruding portions are subjected to twist deformation around center axes of directions in which the terminal electrodes protrude, and
• wherein twist angles in the twist deformation are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive terminal electrode being formed by stacking end portions of the positive electrode collectors and protruding the end portions from the battery enclosure, and the negative terminal electrode being formed by stacking end portions of the negative electrode collectors and protruding the end portions from the battery enclosure,
• wherein the protruding portions are subjected to twist deformation around center axes of directions in which the terminal electrodes protrude, and
• wherein twist angles in the twist deformation are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the positive terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors, and the negative electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the negative terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors,
• wherein the protruding portions are subjected to twist deformation around center axes of directions in which the terminal electrodes protrude, and
• wherein twist angles in the twist deformation are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, each of the positive electrode collectors being electrically connected to the positive terminal electrode in the battery enclosure, and each of the negative electrode collectors being electrically connected to the negative terminal electrode in the battery enclosure,
• wherein any of right and left side edge portions of the protruding portions are deformed to any of front and back surface sides of the terminal electrodes, and
• wherein deformation amounts of the protruding portions are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive terminal electrode being formed by stacking end portions of the positive electrode collectors and protruding the end portions from the battery enclosure, and the negative terminal electrode being formed by stacking end portions of the negative electrode collectors and protruding the end portions from the battery enclosure,
• wherein any of right and left side edge portions of the protruding portions are deformed to any of front and back surface sides of the terminal electrodes, and
• wherein deformation amounts of the protruding portions are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the positive terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors, and the negative electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the negative terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors,
• wherein any of right and left side edge portions of the protruding portions are deformed to any of front and back surface sides of the terminal electrodes, and
• wherein deformation amounts of the protruding portions are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, each of the positive electrode collectors being electrically connected to the positive terminal electrode in the battery enclosure, and each of the negative electrode collectors being electrically connected to the negative terminal electrode in the battery enclosure,
• wherein the protruding portions are waveform rugged portions in any of length and width directions of the protruding portions, and
• wherein any of amplitude amounts and numbers of the waveform rugged portions are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive terminal electrode being formed by stacking end portions of the positive electrode collectors and protruding the end portions from the battery enclosure, and the negative terminal electrode being formed by stacking end portions of the negative electrode collectors and protruding the end portions from the battery enclosure,
• wherein the protruding portions are waveform rugged portions in any of length and width directions of the protruding portions, and
• wherein any of amplitude amounts and numbers of the waveform rugged portions are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the positive terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors, and the negative electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the negative terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors,
• wherein the protruding portions are waveform rugged portions in any of length and width directions of the protruding portions, and
• wherein any of amplitude amounts and numbers of the waveform rugged portions are made larger from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the-negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, each of the positive electrode collectors being electrically connected to the positive terminal electrode in the battery enclosure, and each of the negative electrode collectors being electrically connected to the negative terminal electrode in the battery enclosure,
• wherein projections are provided on any of front and back surfaces of the protruding portions and on both of the front and back surfaces sides of the protruding portions, and
• wherein numbers of the projections are increased from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive terminal electrode being formed by stacking end portions of the positive electrode collectors and protruding the end portions from the battery enclosure, and the negative terminal electrode being formed by stacking end portions of the negative electrode collectors and protruding the end portions from the battery enclosure,
• wherein projections are provided on any of front and back surfaces of the protruding portions and on both of the front and back surfaces sides of the protruding portions, and
• wherein numbers of the projections are increased from windward of a cooling wind for the battery toward leeward of the cooling wind.

An assembled battery apparatus comprising:

• assembled batteries;
• and
• an outer case in which the assembled batteries are accommodated,
• each of the assembled batteries comprising two or more of batteries, each of the two or more of batteries comprising:
• a battery enclosure formed of a laminate film compounded of a metal and a polymer material, the battery enclosure having a substantially rectangular shape;
• a power-generating unit accommodated in the battery enclosure, the power-generating unit comprising positive electrodes including portions of positive electrode collectors having substantially rectangular shapes;
• negative electrodes including portions of negative electrode collectors having substantially rectangular shapes;
• and separators separating the positive electrodes from the negative electrodes, wherein the power-generating unit is formed by stacking the positive electrodes, the separators and the negative electrodes, each of the separators being disposed between each of the positive electrodes and each of the negative electrodes;
• and
• terminal electrodes comprising a positive terminal electrode and a negative terminal electrode, width of the positive terminal electrode being substantially equal to that of each of the positive electrode collectors, width of the negative terminal electrode being substantially equal to that of each of the negative electrode collectors, the positive terminal electrode and the negative terminal electrode protruding from mutually different sides of the battery enclosure, and portions of the terminal electrodes, which protrude from the battery enclosure, being defined as protruding portions, the positive electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the positive terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors, and the negative electrode collectors including one or more thicker collectors than other collectors, each of the thicker collectors for the negative terminal electrode protruding from the battery enclosure, and the other collectors being electrically connected to the thicker collectors,
• wherein projections are provided on any of front and back surfaces of the protruding portions and on both of the front and back surfaces sides of the protruding portions, and
• wherein numbers of the projections are increased from windward of a cooling wind for the battery toward leeward of the cooling wind.