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公开(公告)号：US20240006666A1
公开(公告)日：2024-01-04
申请号：US18037882
申请日：2021-11-19
IPC分类号： H01M10/42 , H01M50/207 , H01M10/0568 , H01M50/51 , H01M10/653 , H01M10/613 , H01M50/278 , H01M50/30 , H01G11/58 , H01G11/12 , H01G11/66 , H01G11/18 , H01G11/52
CPC分类号： H01M10/4235 , H01M50/207 , H01M10/0568 , H01M50/51 , H01M10/653 , H01M10/613 , H01M50/278 , H01M50/394 , H01G11/58 , H01G11/12 , H01G11/66 , H01G11/18 , H01G11/52
摘要： A power storage device includes power storage cells that includes a positive electrode, a negative electrode, a separator, and an accommodation chamber accommodating a liquid electrolyte in a liquid-tight manner. The power storage device includes a cell stack in which the power storage cells are stacked in series. A side surface of the cell stack is covered with a seal portion made of a plastic. The terminal positive electrode current collector and the terminal negative electrode current collector located in the outermost layer of the cell stack are made of a high thermal conductivity material having a thermal conductivity greater than or equal to 100 W/(m·K). The power storage device includes a positive electrode cooling unit, which cools the terminal positive electrode current collector, and a negative electrode cooling unit, which cools the terminal negative electrode current collector. The liquid electrolyte contains an oxalate compound.
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公开(公告)号：US20230411812A1
公开(公告)日：2023-12-21
申请号：US18037832
申请日：2021-11-19
发明人： Yushi KONDO , Osamu OHMORI , Takeshi KATAYAMA , Yusuke YAMASHITA
IPC分类号： H01M50/682 , H01M10/0569 , H01M10/653 , H01M10/613 , H01M10/0525 , H01M50/51 , H01M50/204 , H01M50/278 , H01M4/13
CPC分类号： H01M50/682 , H01M10/0569 , H01M10/653 , H01M10/613 , H01M2004/021 , H01M50/51 , H01M50/204 , H01M50/278 , H01M4/13 , H01M10/0525
摘要： A power storage device includes power storage cells that includes a positive electrode, a negative electrode, a separator, and an accommodation chamber accommodating a liquid electrolyte in a liquid-tight manner. The power storage device includes a cell stack in which the power storage cells are stacked in series. A side surface of the cell stack is covered with a seal portion made of a plastic. A terminal positive electrode current collector and a terminal negative electrode current collector located in the outermost layer of the cell stack are made of a high thermal conductivity material having a thermal conductivity greater than or equal to 100 W/(m·K). The power storage device includes a positive electrode cooling unit, which cools the terminal positive electrode current collector, and a negative electrode cooling unit, which cools the terminal negative electrode current collector. The liquid electrolyte contains an ester compound.
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