Patent ID: 11967721
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery cathode comprising:
a current collector; and
a coating applied to the current collector, the coating including:
conductive carbon;
polyvinylidene fluoride binder polymer;
acid-functionalized dispersant polymer; and
electrochemically active layered metal oxide,
wherein the acid functionalized dispersant polymer has a milliequivalent (meq) between approximately 0.05 and 5.0 per gram polymer, and
wherein the acid functionalized dispersant polymer includes (a) one or more cations selected from H+, Li+, Na+, K+, and NH4+ and (b) at least one of a sulfonated derivate of poly(arylene ether) (SPAE), poly(arylene ether sulfone) (SPAES), poly(arylene sulfide) (SPAS), sulfonated polyphenylene (SPP).