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公开(公告)号：US20140377599A1
公开(公告)日：2014-12-25
申请号：US14344545
申请日：2012-09-28
Applicant: PANASONIC CORPORATION
Inventor： Keisuke Shimizu , Tomohiko Yokoyama , Masato Fujikawa
CPC classification number: H01M2/1241 , H01M2/02 , H01M2/04 , H01M2/0456 , H01M2/08 , H01M2/12 , H01M2/1252 , H01M2/34 , H01M10/04 , H01M10/0431 , H01M10/052 , H01M10/058
Abstract: An electrode group formed by winding a positive electrode plate and a negative electrode plate with a separator interposed therebetween is housed in a battery case, and a sealing plate seals an opening of the battery case. The sealing plate includes an upper metal plate, a valve, and a lower metal plate that are stacked, an insulating plate is placed on a portion of the electrode group near the opening of the battery case, one of the positive electrode plate or the negative electrode plate of the electrode group is connected to the lower metal plate through a lead, the lower metal plate and the insulating plate have a first opening and a second opening, respectively, and a ratio of S2/S1 is within the range of 1.8-3.3, where S1 represents an area of the first opening, and S2 represents an area of the second opening.
Abstract translation: 通过将正极板和具有隔膜的负极板卷绕而形成的电极组被容纳在电池壳体中，并且密封板密封电池壳体的开口。 密封板包括堆叠的上金属板，阀和下金属板，在电池组的开口附近的电极组的一部分上放置绝缘板，正极板或负极中的一个 电极组的电极板通过引线连接到下金属板，下金属板和绝缘板分别具有第一开口和第二开口，并且S2 / S1的比率在1.8- 3.3，其中S1表示第一开口的面积，S2表示第二开口的面积。
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公开(公告)号：US20140308550A1
公开(公告)日：2014-10-16
申请号：US14357543
申请日：2012-11-12
Applicant: PANASONIC CORPORATION
Inventor： Keisuke Shimizu , Tomohiko Yokoyama , Masato Fujikawa
IPC: H01M2/12
CPC classification number: H01M2/1223 , H01M2/1077 , H01M2/1241
Abstract: A battery pack 200 including a plurality of cells 100, in which the plurality of cells 100 are arranged so as to be oriented in the same direction, the cells 100 each have a first safety valve and a second safety valve whose operating pressure is higher than an operating pressure of the first safety valve, the first safety valve of each cell 100 is connected to a first exhaust passage 50, the second safety valve of each cell 100 is connected to a second exhaust passage 60, and the first exhaust passage 50 is spatially separated from the second exhaust passage 60.
Abstract translation: 包括多个单元100的电池组200，其中多个单元100被布置成沿相同的方向排列，单元100各自具有第一安全阀和第二安全阀，其操作压力高于 第一安全阀的操作压力，每个电池单元100的第一安全阀连接到第一排气通道50，每个电池单元100的第二安全阀连接到第二排气通道60，第一排气通道50 在空间上与第二排气通道60分离。
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公开(公告)号：US09735406B2
公开(公告)日：2017-08-15
申请号：US14368716
申请日：2012-12-28
Applicant: PANASONIC CORPORATION
Inventor： Hajime Nishino , Masato Fujikawa , Mikinari Shimada , Shunsuke Yasui , Shoichiro Watanabe
IPC: H01M2/12 , H01M2/10 , H01M10/0525 , H01M10/48 , H01M2/02
CPC classification number: H01M2/1264 , H01M2/024 , H01M2/1077 , H01M2/12 , H01M2/1223 , H01M2/1294 , H01M10/0525 , H01M10/488 , H01M2220/20
Abstract: In a battery pack, a plurality of cells are arranged, the cells each have an outlet through which gas generated in the cell is released in one direction, each two of the cells are arranged as one unit, and the each two of the cells are arranged such that directions of gas released through the outlets of the two cells are opposite to each other.
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Patent Agency Ranking
公开(公告)号：US09437854B2
公开(公告)日：2016-09-06
申请号：US14357543
申请日：2012-11-12
Applicant: PANASONIC CORPORATION
Inventor： Keisuke Shimizu , Tomohiko Yokoyama , Masato Fujikawa
CPC classification number: H01M2/1223 , H01M2/1077 , H01M2/1241
Abstract: A battery pack 200 including a plurality of cells 100, in which the plurality of cells 100 are arranged so as to be oriented in the same direction, the cells 100 each have a first safety valve and a second safety valve whose operating pressure is higher than an operating pressure of the first safety valve, the first safety valve of each cell 100 is connected to a first exhaust passage 50, the second safety valve of each cell 100 is connected to a second exhaust passage 60, and the first exhaust passage 50 is spatially separated from the second exhaust passage 60.
Abstract translation: 包括多个单元100的电池组200，其中多个单元100被布置成沿相同的方向排列，单元100各自具有第一安全阀和第二安全阀，其操作压力高于 第一安全阀的操作压力，每个电池单元100的第一安全阀连接到第一排气通道50，每个电池单元100的第二安全阀连接到第二排气通道60，第一排气通道50 在空间上与第二排气通道60分离。
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公开(公告)号：US09368995B2
公开(公告)日：2016-06-14
申请号：US14344893
申请日：2012-09-27
Applicant: PANASONIC CORPORATION
Inventor： Hajime Nishino , Mitsuhiro Takeno , Mikinari Shimada , Masato Fujikawa
CPC classification number: H02J7/0073 , H01M10/44 , H01M10/443 , H01M10/46 , H01M2010/4271 , H02J7/044 , H02J7/047
Abstract: In a charging method for a lithium ion battery, constant current charging of the lithium ion battery is performed. The constant current charging includes at least three consecutive charging stages. The at least three consecutive charging stages include consecutive first, second, and third charging stages. The second charging stage has a set current value which is set lower than set current values of the first and third charging stages.
Abstract translation: 在锂离子电池的充电方法中，进行锂离子电池的恒流充电。 恒定电流充电包括至少三个连续充电阶段。 至少三个连续充电阶段包括连续的第一，第二和第三充电阶段。 第二充电阶段具有设定为低于第一充电阶段和第三充电阶段的设定电流值的设定电流值。
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公开(公告)号：US20150010794A1
公开(公告)日：2015-01-08
申请号：US14368716
申请日：2012-12-28
Applicant: PANASONIC CORPORATION
Inventor： Hajime Nishino , Masato Fujikawa , Mikinari Shimada , Shunsuke Yasui , Shoichiro Watanabe
IPC: H01M2/12 , H01M10/0525 , H01M10/48
CPC classification number: H01M2/1264 , H01M2/024 , H01M2/1077 , H01M2/12 , H01M2/1223 , H01M2/1294 , H01M10/0525 , H01M10/488 , H01M2220/20
Abstract: In a battery pack, a plurality of cells are arranged, the cells each have an outlet through which gas generated in the cell is released in one direction, each two of the cells are arranged as one unit, and the each two of the cells are arranged such that directions of gas released through the outlets of the two cells are opposite to each other.
Abstract translation: 在电池组中，设置多个电池单元，每个电池具有出口，电池中产生的气体通过该出口在一个方向上被释放，每个电池单元布置为一个单元，并且每个电池单元为 被布置为使得通过两个单元的出口释放的气体的方向彼此相反。
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公开(公告)号：US09337459B2
公开(公告)日：2016-05-10
申请号：US14344545
申请日：2012-09-28
Applicant: PANASONIC CORPORATION
Inventor： Keisuke Shimizu , Tomohiko Yokoyama , Masato Fujikawa
CPC classification number: H01M2/1241 , H01M2/02 , H01M2/04 , H01M2/0456 , H01M2/08 , H01M2/12 , H01M2/1252 , H01M2/34 , H01M10/04 , H01M10/0431 , H01M10/052 , H01M10/058
Abstract: An electrode group formed by winding a positive electrode plate and a negative electrode plate with a separator interposed therebetween is housed in a battery case, and a sealing plate seals an opening of the battery case. The sealing plate includes an upper metal plate, a valve, and a lower metal plate that are stacked, an insulating plate is placed on a portion of the electrode group near the opening of the battery case, one of the positive electrode plate or the negative electrode plate of the electrode group is connected to the lower metal plate through a lead, the lower metal plate and the insulating plate have a first opening and a second opening, respectively, and a ratio of S2 is within the range of 1.8-3.3, where S1 represents an area of the first opening, and S2 represents an area of the second opening.
Abstract translation: 通过将正极板和具有隔膜的负极板卷绕而形成的电极组被容纳在电池壳体中，并且密封板密封电池壳体的开口。 密封板包括堆叠的上金属板，阀和下金属板，在电池组的开口附近的电极组的一部分上放置绝缘板，正极板或负极中的一个 电极组的电极板通过引线连接到下金属板，下金属板和绝缘板分别具有第一开口和第二开口，并且S2的比率在1.8-3.3的范围内， 其中S1表示第一开口的面积，S2表示第二开口的面积。
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公开(公告)号：US20140375279A1
公开(公告)日：2014-12-25
申请号：US14344893
申请日：2012-09-27
Applicant: PANASONIC CORPORATION
Inventor： Hajime Nishino , Mitsuhiro Takeno , Mikinari Shimada , Masato Fujikawa
CPC classification number: H02J7/0073 , H01M10/44 , H01M10/443 , H01M10/46 , H01M2010/4271 , H02J7/044 , H02J7/047
Abstract: In a charging method for a lithium ion battery, constant current charging of the lithium ion battery is performed. The constant current charging includes at least three consecutive charging stages. The at least three consecutive charging stages include consecutive first, second, and third charging stages. The second charging stage has a set current value which is set lower than set current values of the first and third charging stages.
Abstract translation: 在锂离子电池的充电方法中，进行锂离子电池的恒流充电。 恒定电流充电包括至少三个连续充电阶段。 至少三个连续充电阶段包括连续的第一，第二和第三充电阶段。 第二充电阶段具有设定为低于第一充电阶段和第三充电阶段的设定电流值的设定电流值。
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