US 11,990,608 B2
Elastic polymer composite binder for lithium battery and method of manufacturing
Hui He, Dayton, OH (US); and Bor Z. Jang, Centerville, OH (US)
Assigned to Honeycomb Battery Company, Dayton, OH (US)
Filed by Global Graphene Group, Inc., Dayton, OH (US)
Filed on Oct. 5, 2020, as Appl. No. 17/063,666.
Application 17/063,666 is a continuation of application No. 15/442,278, filed on Feb. 24, 2017, granted, now 10,840,502.
Prior Publication US 2021/0098778 A1, Apr. 1, 2021
Int. Cl. H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/40 (2006.01); H01M 4/485 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01); H01M 12/08 (2006.01)
CPC H01M 4/364 (2013.01) [H01M 4/366 (2013.01); H01M 4/38 (2013.01); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 4/405 (2013.01); H01M 4/485 (2013.01); H01M 4/62 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 12/08 (2013.01); H01M 2300/0068 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0091 (2013.01); Y02E 60/10 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A highly elastic polymer composite binder composition for use in an anode or cathode of a lithium battery, said composition comprising a polymerizing or cross-linking liquid precursor and a 0.01%-50% by weight of a conductive reinforcement material dispersed in said liquid precursor, wherein said liquid precursor is capable of chemically bonding to an anode active material or cathode active material in said lithium battery upon completion of polymerization or cross-linking reactions to form a high-elasticity polymer and said high-elasticity polymer has a recoverable tensile strain from 5% to 700% when measured without the conductive reinforcement dispersed in said polymer;
wherein said binder composition further comprises a foaming agent or blowing agent dispersed in said liquid precursor.