公开(公告)号：US20160226099A1

公开(公告)日：2016-08-04

申请号：US15021669

申请日：2014-08-28

Applicant: NEC CORPORATION

Inventor： Takeshi AZAMI ,  Hitoshi ISHIKAWA ,  Noboru YOSHIDA ,  Ikiko SHIMANUKI ,  Kazuaki MATSUMOTO ,  Makihiro OTOHATA

IPC: H01M10/0567 ,  H01M4/131 ,  H01M4/505 ,  H01M10/0568 ,  H01M4/66 ,  H01M4/133 ,  H01M2/16 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/62

CPC classification number: H01M10/0567 ,  H01M2/1653 ,  H01M4/131 ,  H01M4/133 ,  H01M4/364 ,  H01M4/505 ,  H01M4/587 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0037 ,  Y02T10/7011

Abstract: The present invention provides a lithium ion secondary battery comprising: a positive electrode; a negative electrode comprising a negative electrode active material comprising at least one carbon material selected from the group consisting of a natural graphite, an artificial graphite, a non-graphitizable carbon and a graphitizable carbon; and an electrolyte solution comprising a specific cyclic disulfonate ester compound and an acid anhydride.

Abstract translation: 本发明提供一种锂离子二次电池，其包括：正极; 包含负极活性物质的负极，所述负极活性物质包含选自天然石墨，人造石墨，不可石墨化碳和可石墨化碳的至少一种碳材料; 以及包含特定的环状二磺酸酯化合物和酸酐的电解质溶液。

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：US20160308252A1

公开(公告)日：2016-10-20

申请号：US15103402

申请日：2014-08-08

Applicant: NEC CORPORATION

Inventor： Jiro IRIYAMA ,  Makihiro OTOHATA ,  Kazuaki MATSUMOTO ,  Ikiko SHIMANUKI

IPC: H01M10/0585 ,  H01M2/12 ,  H01M10/44 ,  H01M2/36

CPC classification number: H01M10/0585 ,  H01M2/12 ,  H01M2/36 ,  H01M2/361 ,  H01M2/362 ,  H01M2/365 ,  H01M10/05 ,  H01M10/0569 ,  H01M10/058 ,  H01M10/446

Abstract: It is an object of the present invention to provide a method for producing a secondary battery in which water in the outer package can be removed even when the secondary battery includes an electrolytic solution containing a halogen-containing compound. The present exemplary embodiment is a method for producing a secondary battery including an electrolytic solution containing a supporting salt, a nonaqueous solvent, and a halogen-containing compound, an electrode assembly including a negative electrode and a positive electrode, and an outer package, the method including (1) disposing a first solution containing at least the supporting salt and the nonaqueous solvent, and the electrode assembly in the outer package; (2) charging the electrode assembly; (3) emitting from the outer package a gas generated by the charge; and (4) injecting a second solution including at least the halogen-containing compound into the outer package after the gas is emitted, wherein the first solution does not contain the halogen-containing compound, and the electrolytic solution includes the first solution and the second solution.

Abstract translation: 本发明的目的是提供一种二次电池的制造方法，其中即使在二次电池包含含有卤素化合物的电解液的情况下也可以除去外包装中的水分。 本示例性实施方式是一种二次电池的制造方法，其包括含有支持盐，非水溶剂和含卤素化合物的电解液，包含负极和正极的电极组件和外包装， 方法包括（1）在外包装中设置至少含有支持盐和非水溶剂的第一溶液和电极组件; （2）对电极组件进行充电; （3）从外包装发射由电荷产生的气体; 和（4）在排出气体之后，将至少包含含卤素化合物的第二溶液注入到外包装中，其中第一溶液不含有含卤素的化合物，并且电解液包括第一溶液和第二溶液 解。