NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

WIPO Patent Application WO/2019/188590

A1

The present invention relates to a nonaqueous electrolyte secondary battery (10) which is provided with: a positive electrode (1) which comprises a positive electrode collector (11) and a positive electrode active material layer (12) that is arranged on the surface of the positive electrode collector (11); a negative electrode (3) which comprises a negative electrode collector (31) and a negative electrode active material layer (32) that is arranged on the surface of the negative electrode collector (31); a nonaqueous electrolyte which contains lithium ions; a separator (2) which is arranged between the positive electrode (1) and the negative electrode (3); and a particle layer (4) which is arranged on one or both of the surface of the positive electrode (1) and the surface of the negative electrode (3). This nonaqueous electrolyte secondary battery (10) is configured such that the ratio of the specific surface areas A of the particles contained in the particle layer (4) to the specific surface areas B of the particles contained in the positive electrode active material layer (12), namely A/B is more than 0.2 but less than 1.5.

JP2010146908	ALKALI METAL SULFUR SECONDARY BATTERY
JP4867212	Manufacturing method of lithium secondary battery
WO/2020/090800	COIN SHAPED SECONDARY BATTERY

KAMO HIROMICHI (JP)

PCT/JP2019/011471

October 03, 2019

March 19, 2019

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SEKISUI CHEMICAL CO LTD (JP)

H01M4/13; H01M10/052; H01M4/139; H01M10/058; H01M50/586; H01M50/59

JPH1125956A	1999-01-29
JP2012074359A	2012-04-12
JP2008027634A	2008-02-07
JP2006210003A	2006-08-10

NISHIZAWA Kazuyoshi et al. (JP)

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