公开(公告)号：US20140087269A1

公开(公告)日：2014-03-27

申请号：US14033143

申请日：2013-09-20

Applicant: GS Yuasa International Ltd.

Inventor： Suguru KOZONO ,  Yasuyuki ABE ,  Kazushi NITTA ,  Takaaki IGUCHI

IPC: H01M10/0587

CPC classification number: H01M10/0587 ,  B60L11/1879 ,  H01M2/14 ,  H01M2010/4292 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/705

Abstract: Provided is a nonaqueous electrolyte secondary cell including: a case; an element housed in the case, including at least a positive electrode member, a negative electrode member and a separator; and an electrolyte solution poured into the case, wherein when in the state of the case being installed, in the direction perpendicular to the liquid surface of the electrolyte solution, the length between the highest position and the lowest position of the element is represented by L1 and the length between the liquid surface and the lowest position of the element is represented by L2, the ratio calculated with the formula L2/L1×100 is 10% or more and 100% or less.

Abstract translation: 提供一种非水电解质二次电池，其包括：壳体; 容纳在壳体中的元件，至少包括正电极部件，负极部件和隔膜; 并且将电解液注入到壳体中，其中当在安装壳体的状态下，在垂直于电解质溶液的液面的方向上，元件的最高位置和最低位置之间的长度由L1 并且元件的液面和最低位置之间的长度由L2表示，用式L2 / L1×100计算的比率为10％以上且100％以下。

公开(公告)号：US20240290985A1

公开(公告)日：2024-08-29

申请号：US18574594

申请日：2022-06-24

Applicant: GS Yuasa International Ltd.

Inventor： Miwa KOBAYASHI ,  Yasuyuki ABE

IPC: H01M4/62 ,  H01G11/06 ,  H01G11/32 ,  H01G11/62 ,  H01M4/02 ,  H01M4/58 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/42

CPC classification number: H01M4/625 ,  H01G11/06 ,  H01G11/32 ,  H01G11/62 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/4235 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0025

Abstract: A nonaqueous electrolyte energy storage device according to one aspect of the present invention is a nonaqueous electrolyte energy storage device including: a positive electrode containing lithium iron phosphate; a negative electrode containing at least one of graphite and non-graphitic carbon and carbon black; and a nonaqueous electrolyte containing a lithium salt, in which a concentration of the lithium salt in the nonaqueous electrolyte is 0.7 mol/dm3 or less.