POSITIVE ELECTRODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Title:

POSITIVE ELECTRODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Document Type and Number:

WIPO Patent Application WO/2014/133024

Kind Code:

A1

Abstract:

Disclosed is a secondary battery having high capacity and excellent charge/discharge cycle characteristics, which is obtained by employing a positive electrode that is obtained by covering the surface of a positive electrode material with a polymer solid electrolyte composition using a polyether copolymer and an electrolyte salt compound that is a combination of lithium bisoxalate borate and another lithium salt compound. With respect to the positive electrode, the polymer solid electrolyte and/or the positive electrode material contains a compound that has a phenol structure wherein both of two ortho positions are substituted by a tert-butyl group.

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Inventors:

TABUCHI MASATO (JP)
MIURA KATSUHITO (JP)
MIYASHIRO HAJIME (JP)
KOBAYASHI YO (JP)

Application Number:

PCT/JP2014/054727

Publication Date:

September 04, 2014

Filing Date:

February 26, 2014

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Assignee:

DAISO CO LTD (JP)

International Classes:

H01M4/13; C08K5/13; C08K5/55; C08L71/02; H01M4/139; H01M4/58; H01M4/62; C07C39/06; C07C39/15; C07C55/06; C07C69/732

Foreign References:

JP2011091005A	2011-05-06
JP2001210314A	2001-08-03
JP2013196993A	2013-09-30
JP2013196994A	2013-09-30

Attorney, Agent or Firm:

SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)

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