The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2022
Filed:
Jan. 24, 2018
Dai-ichi Kogyo Seiyaku Co., Ltd., Kyoto, JP;
Ayano Sofue, Kyoto, JP;
Yasuteru Saito, Kyoto, JP;
Yosuke Goi, Kyoto, JP;
Yoshiki Ito, Kyoto, JP;
Tetsuya Higashizaki, Kyoto, JP;
Yuji Hoshihara, Kyoto, JP;
Masaaki Matsumoto, Kyoto, JP;
DAI-CHI KOGYO SEIYAKU CO., LTD., Kyoto, JP;
Abstract
An electrode coating liquid composition that contains an electrode active material, a conductive auxiliary, a dispersant, and a binding agent. The dispersant contains cellulose fibers that satisfy (a)-(c). A total amount of the dispersant and the binding agent is 0.5 mass % or more and 15 mass % or less with respect to 100 mass % of the solid content of the electrode coating liquid composition. (a) the number average width of the shortest widths is 2 nm or more and 200 nm or less. (b) the aspect ratio is 7.5 or more and 75 or less. (c) cellulose I crystals are included and the crystallinity thereof is 70% or more and 95% or less.