ELECTRICITY STORAGE ELEMENT AND ELECTRICITY STORAGE ELEMENT MANUFACTURING METHOD

Title:

ELECTRICITY STORAGE ELEMENT AND ELECTRICITY STORAGE ELEMENT MANUFACTURING METHOD

Document Type and Number:

WIPO Patent Application WO/2021/100470

Kind Code:

A1

Abstract:

An electricity storage element of one embodiment of the present invention comprises: a negative electrode having a negative-electrode substrate and a negative-electrode active material layer that is layered onto the negative-electrode substrate directly or via another layer; and a non-aqueous electrolyte. The electricity storage element is configured so that: the negative-electrode active material layer contains graphite and a solvent-based binder; and the negative-electrode active material layer is not subjected to pressing.

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Inventors:

OGI KENTA (JP)
ITAI YUHEI (JP)
KUMABAYASHI KEI (JP)
NAKANO FUMIYA (JP)

Application Number:

PCT/JP2020/041311

Publication Date:

May 27, 2021

Filing Date:

November 05, 2020

Export Citation:

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Assignee:

GS YUASA INT LTD (JP)

International Classes:

H01M10/0566; H01G11/06; H01G11/26; H01G11/32; H01G11/70; H01G11/86; H01M4/133; H01M4/1393; H01M4/587; H01M4/62; H01M4/70; H01M10/058

Domestic Patent References:

WO2018135253A1

2018-07-26

Foreign References:

JP2003151535A

2003-05-23

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