公开(公告)号：US20170214087A1

公开(公告)日：2017-07-27

申请号：US15321649

申请日：2015-06-23

Applicant: NEC Corporation

Inventor： Noboru YOSHIDA ,  Ikiko SHIMANUKI ,  Shinsaku SAITHO ,  Hitoshi ISHIKAWA

IPC: H01M10/0567 ,  H01M4/587 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/133 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2220/20 ,  H01M2300/0028 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: The present invention relates to an electrolyte solution comprising a supporting salt, a nonaqueous solvent containing a compound having a viscosity of 1.0 mPa-s or less in an amount of more than 50% by volume in the nonaqueous solvent, and a halogenated cyclic acid anhydride. According to the present invention, an electrolyte solution capable of suppressing gas generation is provided.

公开(公告)号：US20150318577A1

公开(公告)日：2015-11-05

申请号：US14649026

申请日：2013-11-28

Applicant: NEC CORPORATION

Inventor： Shinsaku SAITHO ,  Hitoshi ISHIKAWA ,  Kazuhiko INOUE

IPC: H01M10/0569 ,  H01M10/04 ,  H01M10/0525

CPC classification number: H01M10/0569 ,  H01M10/049 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M2300/0034 ,  H01M2300/0037 ,  Y02T10/7011 ,  Y10T29/49112

Abstract: The present invention relates to an electrolyte solution for a lithium secondary battery, which contains a sulfonate compound represented by a specific formula and carboxylic anhydride having one or more C═C double bonds, and a lithium secondary battery using the same.

Abstract translation: 本发明涉及一种锂二次电池用电解质溶液，其包含由特定式表示的磺酸盐化合物和具有一个或多个C = C双键的羧酸酐和使用该二次电池的锂二次电池。

公开(公告)号：US20160226098A1

公开(公告)日：2016-08-04

申请号：US15021664

申请日：2014-07-11

Applicant: NEC CORPORATION

Inventor： Noboru YOSHIDA ,  Shinsaku SAITHO ,  Kazuaki MATSUMOTO ,  Ikiko SHIMANUKI ,  Daisuke KAWASAKI ,  Yuukou KATOU ,  Hitoshi ISHIKAWA

IPC: H01M10/0567 ,  H01M4/133 ,  H01M4/62 ,  H01M4/131 ,  H01M4/525 ,  H01M10/0568 ,  H01M4/587 ,  H01M4/36 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/62 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0037 ,  Y02T10/7011

Abstract: It is an object of the present invention to provide an electrolytic solution capable of suppressing gas generation. The present exemplary embodiment is an electrolytic solution comprising a supporting salt, a nonaqueous solvent that dissolves the supporting salt, a cyclic sulfonic acid ester compound represented by predetermined formula (1), and an acid anhydride. According to the exemplary embodiment, an electrolytic solution capable of suppressing gas generation can be provided.

Abstract translation: 本发明的目的是提供一种能够抑制气体产生的电解液。 本示例性实施方案是包含支持盐，溶解负载盐的非水溶剂，由式（1）表示的环状磺酸酯化合物和酸酐的电解液。 根据本实施方式，可以提供能够抑制气体产生的电解液。

公开(公告)号：US20170149097A1

公开(公告)日：2017-05-25

申请号：US15319345

申请日：2015-06-16

Applicant: NEC Corporation

Inventor： Noboru YOSHIDA ,  Ikiko SHIMANUKI ,  Shinsaku SAITHO ,  Hitoshi ISHIKAWA

IPC: H01M10/42 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/525 ,  H01M10/0569 ,  H01M10/0567 ,  H01M10/0568 ,  H01M4/505

CPC classification number: H01M10/4235 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0037 ,  Y02T10/7011

Abstract: The present invention relates to an electrolytic solution comprising a cyclic dicarboxylic acid ester represented by the specific formula, and the secondary battery comprising the same. According to the present invention, the electrolytic solution comprising an additive which can improve a characteristics in a secondary battery and a secondary battery comprising the same can be provided.