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US 2014/0197794 A1Published application
Battery pack including different kinds of cells and power device including the same
AssigneeSamsung SDI Co., Ltd.
InventorsJae-Sung Gu, Eui-Hwan Song, Seok-Gyun Woo
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Abstract
There is provided a battery pack including a mixed cell and a power device including the same. The mixed cell may include a first cell and a second cell having different electrical characteristics. The electrical characteristics may include at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity.
Claims13
A battery pack, comprising:
- a mixed cell comprising a first cell and a second cell, the second cell having a different electrical characteristic from that of the first cell and being coupled to the first cell in parallel,
- wherein the electrical characteristic comprises at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity.
A battery pack, comprising:
- a first sub-battery pack comprising a plurality of first cells;
- and
- a second sub-battery pack comprising a plurality of second cells, the second sub-battery pack being coupled to the first sub-battery pack in parallel,
- wherein an electrical characteristic of the first cell is different from that of the second cell, and
- wherein the electrical characteristic comprises at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity.
2 more elements
A power device, comprising:
- a first battery pack;
- a second battery pack;
- a power converter coupled between the first battery pack and the second battery pack;
- and
- a charge device for converting energy supplied from outside the power device to supply a power to the power converter,
- wherein the power converter is configured to supply the power supplied from the charge device to at least one of the first battery pack or the second battery pack,
- wherein at least one of the first battery pack or the second battery pack comprises a plurality of mixed cells comprising first cells and second cells, the second cells having a different electrical characteristic from that of the first cells and being coupled to the first cells in parallel, and
- wherein the electrical characteristic comprises at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity.
5 more elements
A power device, comprising:
- a first battery pack;
- a second battery pack;
- a power converter coupled between the first battery pack and the second battery pack;
- and
- a charge device for converting energy supplied from outside the power device to supply a power to the power converter,
- wherein the power converter supplies the power supplied from the charge device to at least one of the first battery pack or the second battery pack,
- wherein at least one of the first battery pack or the second battery pack comprises:
- a first sub-battery pack comprising a plurality of first cells;
- and
- a second sub-battery pack comprising a plurality of second cells and coupled to the first sub-battery pack in parallel,
- wherein an electrical characteristic of the first cells is different from that of the second cells, and
- wherein the electrical characteristic comprises at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity.
9 more elements
A power device, comprising:
- a charge device for converting energy supplied from outside the power device to supply a power to a power converter;
- and
- a battery pack configured to be charged by the power supplied by the charge device,
- wherein the battery pack comprises a plurality of mixed cells each comprising first cells and second cells, the second cells having a different electrical characteristic from that of the first cells and being coupled to the first cells in parallel, and
- wherein the electrical characteristic comprises at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity.
2 more elements
A power device, comprising:
- a charge device for converting energy supplied from outside the power device to supply power to a power converter;
- and
- a battery pack configured to be charged by the power supplied by the charge device,
- wherein the battery pack comprises:
- a first sub-battery pack comprising a plurality of first cells;
- and
- a second sub-battery pack comprising a plurality of second cells and coupled to the first sub-battery pack in parallel,
- wherein an electrical characteristic of the first cells is different from that of the second cells, and
- wherein the electrical characteristic comprises at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity.
6 more elements
Dependencies are inferred from the claim text.