POSITIVE ELECTRODE MIXTURE AND ALL-SOLID TYPE LITHIUM SULFUR BATTERY

Japanese Patent JP2015146281

A

PROBLEM TO BE SOLVED: To provide: a positive electrode mixture which allows the utilization of a superior physical property of sulfur to be maximized, and which can be suitably used for a positive electrode mixture layer of an all-solid type lithium sulfur battery superior in the charge/discharge capacity per unit weight of a positive electrode mixture; and an all-solid type lithium sulfur battery having a positive electrode mixture layer including such a positive electrode mixture.SOLUTION: A positive electrode mixture used for a positive electrode mixture layer of an all-solid type lithium sulfur battery, comprises a conductive material including: [A] an ion conducting substance consisting of a composite including phosphorus(P), sulfur(S), lithium(Li) and iodine(I), in which the weight ratio of P is 0.14-0.40, and the weight ratio of I is 0.03-0.30; [B] sulfur and/or a discharge product thereof; and [C] a conductive material, of which the specific surface area is 1100 m/g or larger. In the positive electrode mixture, the content of the component [B] is 40 wt.% or more of the total weight of the components [A], [B] and [C].

CHIGUSA YASUO
NAGATA YUTAKA

JP2014019068A

August 13, 2015

February 04, 2014

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NAGASE CHEMTEX CORP

H01M4/136; H01M4/62; H01M10/052; H01M10/0562; H01M10/0565

JP2014011033A	2014-01-20
JP2014017240A	2014-01-30
JP2013143338A	2013-07-22

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