IP Library Patent Application 17430090
Patent Application
App. No. 17/430,090

SLURRY FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL, METHOD FOR MANUFACTURING SLURRY FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL, ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL

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Quick Facts
Patent No.
US None
App. No.
17/430,090
Abstract

The purpose of the present disclosure is to provide a slurry for a non-aqueous electrolyte secondary cell capable of obtaining an electrode mixture layer showing excellent adhesion with a current collector. The slurry for a non-aqueous electrolyte secondary cell, which is one mode of the present disclosure, contains: an electrode mixture containing an electrode active material, lithium carbonate, and carboxymethylcellulose or a salt thereof; and water. The lithium carbonate content is in the range of 33 to 300 ppm with respect to the total mass of the electrode mixture.

Claims (9)

1 . A slurry for an electrode of a non-aqueous electrolyte secondary battery, including:

an electrode mixture including an electrode active material, lithium carbonate, and carboxymethyl cellulose or a salt thereof; and water,

wherein a content of the lithium carbonate is within the range from 33 ppm to 300 ppm based on the total mass of the electrode mixture.

2 . A method for producing a slurry for an electrode of a non-aqueous electrolyte secondary battery, comprising mixing: an electrode mixture including an electrode active material, lithium carbonate, and carboxymethyl cellulose or a salt thereof; and water, to thereby produce the slurry for an electrode,

wherein a content of the lithium carbonate is within the range from 33 ppm to 300 ppm based on the total mass of the electrode mixture.

3 . An electrode for a non-aqueous electrolyte secondary battery, comprising: a current collector and an electrode mixture layer on the current collector,

the electrode mixture layer including an electrode active material, lithium carbonate, and carboxymethyl cellulose or a salt thereof,

wherein a content of the lithium carbonate is within the range from 33 ppm to 300 ppm based on the total mass of the electrode mixture layer.

4 . A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte, wherein at least one of the positive electrode and the negative electrode is the electrode for a non-aqueous electrolyte secondary battery according to claim 3 .

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2023
From: SANYO ELECTRIC CO. LTD
To: PANASONIC ENERGY CO., LTD.
Reel/Frame 063623/0047 →
CHANGE OF NAME Recorded May 12, 2022
From: PANASONIC CORPORATION
To: PANASONIC HOLDINGS CORPORATION
Reel/Frame 060054/0248 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 18, 2021
From: IWAMI, YASUNOBU; MORIKAWA, TAKAHARU; NAKAMORI, TOSHIYUKI; ICHIKAWA, TOMOHIRO
To: PANASONIC CORPORATION; SANYO ELECTRIC CO., LTD.
Reel/Frame 057825/0755 →