# US 10,122,053 B2 · Electric storage device and electric storage apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,122,053 B2 - Document ID: US10122053B2 - Status: Granted - Kind: B2 - Application number: 15/298,788 - Filed: 2016-10-20 - Published: 2017-02-09 - Granted: 2018-11-06 - Earliest claimed: 2011-01-07 - Assignees: GS Yuasa International Ltd. - Applicants: GS Yuasa International Ltd. - Inventors: Hiroshi Tasai; Seiji Nemoto - Web page: https://patentgrep.com/patent/US10122053B2 ## CPC - H01M 10/613: Cooling or keeping cold - B60H 1/00278: {for the battery} - H01M 10/625: Vehicles - H01M 10/64: characterised by the shape of the cells - H01M 10/643: Cylindrical cells - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 10/653: characterised by electrically insulating or thermally conductive materials - H01M 10/6551: Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings - H01M 10/6554: Rods or plates - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 10/6567: Liquids - H01M 10/6568: characterised by flow circuits, e.g. loops, located externally to the cells or cell casings - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - B60H 2001/00307: {Component temperature regulation using a liquid flow} - H01M 50/103: prismatic or rectangular (H01M50/109, H01M50/11 take precedence) - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract An electric storage apparatus includes a plurality of electric storage devices arranged side by side, each electric storage device including a case having a plurality of walls and an electric storage element which is housed in the case. The apparatus also includes a sheet-shaped heat transfer member which is in contact with outer surfaces of short sidewalls of the plurality of electric storage devices. ## Claims ### Claim 1 An electric storage apparatus comprising: a plurality of electric storage devices arranged side by side, each electric storage device comprising: a case comprising a plurality of walls including: a terminal wall, an electrode terminal being formed on the terminal wall, the terminal wall including a long side and a short side; a bottom wall opposite to the terminal wall, the bottom wall including a long side and a short side; a short sidewall connecting the short sides of the terminal wall and the bottom wall; and a long sidewall connecting the long sides of the terminal wall and the bottom wall, the long sidewall comprising a greatest area of the areas of the plurality of walls; and an electric storage element which is housed in the case and separated from an inner surface of the short sidewall, the electric storage element being in electrical connection with the electrode terminal; and a sheet-shaped heat transfer member which is in contact with an outer surface of the short sidewalls of the plurality of electric storage devices, the sheet-shaped heat transfer member contacting substantially an entirety of the outer surface of the short sidewalls, wherein a distance, in a direction parallel to the terminal wall and the short sidewall and intersecting the long sidewall, between an inner surface of the long sidewall and the electric storage element, is less than a distance between an inner surface of the bottom wall and the electric storage element. ### Claim 2 An electric storage apparatus comprising: a plurality of electric storage devices arranged side by side, each electric storage device comprising: a case comprising a plurality of walls including: a terminal wall, an electrode terminal being formed on the terminal wall, the terminal wall including a long side and a short side; a bottom wall opposite to the terminal wall, the bottom wall including a long side and a short side; a short sidewall connecting the short sides of the terminal wall and the bottom wall; and a long sidewall connecting the long sides of the terminal wall and the bottom wall, the long sidewall comprising a greatest area of the areas of the plurality of walls; and an electric storage element which is housed in the case and separated from an inner surface of the short sidewall, the electric storage element being in electrical connection with the electrode terminal; and a sheet-shaped heat transfer member which is in contact with an outer surface of the short sidewalls of the plurality of electric storage devices, wherein a first distance, in a direction intersecting the bottom wall and parallel to the short sidewall and the long sidewall, between an inner surface of the bottom wall and the electric storage element is less than a second distance, in a direction parallel to the terminal wall and the long sidewall and intersecting the short sidewall, between the inner surface of the short sidewall and the electric storage element. ### Claim 3 (depends on 1) The electric storage apparatus according to claim 1, wherein the heat transfer member comprises a thermal conductivity in a range from 0.2 W/m·K to 5.0 W/m·K. ### Claim 4 (depends on 1) The electric storage apparatus according to claim 1, wherein the heat transfer member comprises an electrically-insulating, synthetic resin. ### Claim 5 (depends on 1) The electric storage apparatus according to claim 1, wherein the heat transfer member is configured to deform elastically, and comprises material having higher thermal conductivity than air. ### Claim 6 (depends on 1) The electric storage apparatus according to claim 1, wherein the synthetic resin comprises at least one member selected from the group consisting of nylon resin, acrylic resin, silicone resin, polyester resin, and polyolefin resin. ### Claim 7 (depends on 1) The electric storage apparatus according to claim 1, further comprising: a cooling member in contact with the heat transfer member. ### Claim 8 (depends on 1) The electric storage apparatus according to claim 1, wherein the electric storage element comprises a stack type electric storage element in which positive and negative plates are layered via a separator. ### Claim 9 An electric storage device comprising: a case comprising a plurality of walls including: a terminal wall, an electrode terminal being formed on the terminal wall, the terminal wall including a long side and a short side; a bottom wall opposite to the terminal wall, the bottom wall including a long side and a short side; a short sidewall connecting the short sides of the terminal wall and the bottom wall; and a long sidewall connecting the long sides of the terminal wall and the bottom wall, the long sidewall comprising a greatest area of the areas of the plurality of walls; and an electric storage element which is housed in the case and separated from an inner surface of the short sidewall, the electric storage element being in electrical connection with the electrode terminal; and a sheet-shaped heat transfer member which is in contact with an outer surface of the short sidewall, the sheet-shaped heat transfer member contacting substantially an entirety of the outer surface of the short sidewall, wherein a first distance, in a direction intersecting the bottom wall and parallel to the short sidewall and the long sidewall, between an inner surface of the bottom wall and the electric storage element is less than a second distance, in a direction parallel to the terminal wall and the long sidewall and intersecting the short sidewall, between the inner surface of the short sidewall and the electric storage element. ### Claim 10 (depends on 9) The electric storage device according to claim 9, wherein the electric storage element comprises a stack type electric storage element in which positive and negative plates are layered via a separator. ### Claim 11 (depends on 1) The electric storage apparatus according to claim 1, wherein an upper edge of the sheet-shaped heat transfer member is substantially aligned with an upper edge of the short sidewall. ### Claim 12 (depends on 1) The electric storage apparatus according to claim 1, wherein the electric storage element comprises a winding type electric storage element in which positive and negative plates that are layered via a separator are wound. ### Claim 13 (depends on 12) The electric storage apparatus according to claim 12, wherein the electric storage element comprises a plurality of electric storage elements which are arranged in a direction which intersects the long sidewall. ### Claim 14 (depends on 1) The electric storage apparatus according to claim 1, wherein the heat transfer member comprises a metal plate. ### Claim 15 (depends on 1) The electric storage apparatus according to claim 1, wherein the heat transfer member is bonded to the short sidewall by an adhesive layer. ### Claim 16 (depends on 7) The electric storage apparatus according to claim 7, wherein the cooling member comprises a metal plate. ### Claim 17 (depends on 7) The electric storage apparatus according to claim 7, wherein the cooling member comprises: a body portion for housing a liquid coolant; an inlet port formed on the body portion, for introducing the liquid coolant into the body portion; and an outlet port formed on the body portion, for draining the liquid coolant out of the body portion. ### Claim 18 (depends on 7) The electric storage apparatus according to claim 7, wherein the sheet-shaped heat transfer member comprises an outer face which faces away from the short sidewall, and an outer surface of the cooling member comprises a metal and contacts the outer face of the sheet-shaped heat transfer member. ### Claim 19 An electric storage apparatus comprising: a plurality of electric storage devices arranged side by side, each electric storage device comprising: a case comprising a plurality of walls including: a terminal wall, an electrode terminal being formed on the terminal wall, the terminal wall including a long side and a short side; a bottom wall opposite to the terminal wall, the bottom wall including a long side and a short side; a short sidewall connecting the short sides of the terminal wall and the bottom wall; and a long sidewall connecting the long sides of the terminal wall and the bottom wall, the long sidewall comprising a greatest area of the areas of the plurality of walls; and an electric storage element which is housed in the case and separated from an inner surface of the bottom wall, the electric storage element being in electrical connection with the electrode terminal; and a sheet-shaped heat transfer member formed of material having viscosity and being in contact with an outer surface of the bottom wall, wherein a first distance, in a direction intersecting the terminal wall and parallel to the short sidewall and the long sidewall, between the inner surface of the bottom wall and the electric storage element is less than a second distance, in a direction parallel to the terminal wall and the long sidewall and intersecting the short sidewall, between an inner surface of the short sidewall and the electric storage element. ### Claim 20 (depends on 19) The electric storage apparatus according to claim 19, wherein the heat transfer member comprises a thermal conductivity in a range from 0.2 W/m·K to 5.0 W/m·K. ### Claim 21 (depends on 19) The electric storage apparatus according to claim 19, further comprising a cooling member in contact with the heat transfer member. ### Claim 22 (depends on 21) The electric storage apparatus according to claim 21, wherein the cooling member comprises a circulation path for circulating a liquid coolant. ### Claim 23 (depends on 19) The electric storage apparatus according to claim 19, wherein the electric storage element comprises a winding type electric storage element in which positive and negative plates that are layered via a separator are wound. ### Claim 24 (depends on 23) The electric storage apparatus according to claim 23, wherein the electric storage element comprises a plurality of electric storage elements which are arranged in a direction which intersects the long sidewall.