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:
Feb. 11, 2025
Filed:
Nov. 19, 2021
Nano and Advanced Materials Institute Limited, Hong Kong, HK;
Soon Yee Liew, Hong Kong, HK;
Yong Zhu, Hong Kong, HK;
Yam Chong, Hong Kong, HK;
Yu Tat Tse, Hong Kong, HK;
Kevin Tan, Hong Kong, HK;
Shengbo Lu, Hong Kong, HK;
Li Fu, Hong Kong, HK;
Chenmin Liu, Hong Kong, HK;
Nano and Advanced Materials Institute Limited, Hong Kong, HK;
Abstract
A solventless method of making a dry electrode for an electrochemical cell is provided. A solventless electrode material mixture includes 85-99% electrode active material and from 0-10% conductive carbon additive. A polymer binder system is present from 1-15%. The polymer binder system includes one or more polymer binders. The electrode material mixture is mixed at a temperature greater than a softening point or a melting point of at least one polymer binder of the polymer binder system. The electrode material mixture is kneaded into an electrode material dough. The electrode material dough is formed into an electrode material sheet. At least a portion of the electrode material sheet is affixed to a metal current collector to form an electrode.