公开(公告)号：US20180233750A1

公开(公告)日：2018-08-16

申请号：US15750860

申请日：2016-08-03

Applicant: SHOWA DENKO K.K.

Inventor： Yusuke AOKI ,  Mitsuru HANASAKI

IPC: H01M4/62 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/04 ,  H01M10/0525 ,  C09D5/24 ,  C09D171/02 ,  C09D101/10

Abstract: A slurry for a positive electrode of a lithium-ion secondary battery. Also disclosed is a positive electrode for a lithium-ion secondary battery obtained using the slurry for a positive electrode of a lithium-ion secondary battery, and a production method for the electrode; and a lithium-ion secondary battery provided with the positive electrode for a lithium-ion secondary battery, and a production method for the battery. The slurry for a positive electrode of a lithium-ion secondary battery includes a positive electrode active material (A), a conductive auxiliary agent (B), a resin binder (C), a thickening dispersant (D), and water (E), wherein the thickening dispersant (D) includes a polyalkylene oxide having a phenyl group in a side chain thereof.

公开(公告)号：US20160126592A1

公开(公告)日：2016-05-05

申请号：US14766482

申请日：2014-02-03

Applicant: SHOWA DENKO K.K.

Inventor： Shunsuke SAITO ,  Yusuke AOKI ,  Takeshi KAWAMOTO ,  Kiyoshi NOMURA ,  Shuichi NAIJO

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0028 ,  Y02T10/7011

Abstract: A nonaqueous electrolyte solution for a secondary battery, including an electrolyte, a solvent and an additive, and a nonaqueous electrolyte secondary battery including the nonaqueous electrolyte solution. The additive contains a compound represented by the following formula (I): wherein n represents an integer of 1 to 4, in the case of n=1, R1 represents a halogen atom or the like, in the case of n=2, R1 represents an alkaline earth metal atom or the like, in the case of n=3, R1 represents a trivalent transition metal atom or the like, in the case of n=4, R1 represents a tetravalent transition metal atom or the like, and R2 represents an alkylene group of 1 to 6 carbon atoms or an alkenylene group of 2 to 6 carbon atoms.

Abstract translation: 包括电解质，溶剂和添加剂的二次电池用非水电解液和包含非水电解质溶液的非水电解质二次电池。 添加剂含有下述式（I）所示的化合物：其中n表示1〜4的整数，n = 1的情况下，R 1表示卤素原子等，n = 2的情况下，R 1 表示碱土金属原子等，在n = 3的情况下，R1表示三价过渡金属原子等，在n = 4的情况下，R 1表示四价过渡金属原子等，R2表示 表示1〜6个碳原子的亚烷基或2〜6个碳原子的亚链烯基。