BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERIES, METHOD FOR PRODUCING SAME, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODES, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY

Title:

Document Type and Number:

WIPO Patent Application WO/2021/039674

Kind Code:

A1

Abstract:

A binder composition for nonaqueous secondary batteries according to the present invention contains: a particulate polymer which is formed of a polymer having a block region that is composed of an aromatic vinyl monomer unit; a water-soluble polymer; and water. This binder composition is characterized in that: the surface acid amount A of the particulate polymer is 0.05 mmol/g or more; the acid amount B in the aqueous phase of the binder composition is from 0.03 mmol/g to 0.80 mmol/g per 1 g of the particulate polymer; and the ratio of the surface acid amount A of the particulate polymer to the acid amount B in the aqueous phase of the binder composition, namely A/B is from 0.5 to 5.0.

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Inventors:

MATSUMURA TAKU (JP)
MASUDA AI (JP)

Application Number:

PCT/JP2020/031740

Publication Date:

March 04, 2021

Filing Date:

August 21, 2020

Export Citation:

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Assignee:

ZEON CORP (JP)

International Classes:

C08F279/02; C08F297/04; C08K3/08; C08K3/20; C08L53/02; C08L101/14; H01M4/139; H01M4/62

Domestic Patent References:

WO2015098507A1	2015-07-02
WO2019107209A1	2019-06-06
WO2019087827A1	2019-05-09
WO2018163295A1	2018-09-13
WO2015033827A1	2015-03-12
WO2019107229A1	2019-06-06

Foreign References:

JP2016184521A	2016-10-20
JP2013182765A	2013-09-12
JP2015070245A	2015-04-13
JP2012204303A	2012-10-22

Other References: