US 12,438,156 B2
Electrodes including polymer binder networks with bamboo-type fibers
Dewen Kong, Shanghai (CN); Meiyuan Wu, Shanghai (CN); Haijing Liu, Shanghai (CN); and Si Chen, Shanghai (CN)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed on Aug. 9, 2022, as Appl. No. 17/884,214.
Claims priority of application No. 202210042360.2 (CN), filed on Jan. 14, 2022.
Prior Publication US 2023/0231141 A1, Jul. 20, 2023
Int. Cl. H01M 4/62 (2006.01); H01M 4/02 (2006.01)
CPC H01M 4/623 (2013.01) [H01M 2004/021 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrode for an electrochemical cell comprising:
a polymer binder network including,
a plurality of fibers defining the polymer binder network, each of the plurality of fibers including
a plurality of segments arranged end-to-end and physically connected to one another, each of the plurality of segments including,
a plurality of beads, and
a plurality of filaments extending from at least a portion of the plurality of beads, respectively; and
a plurality of electroactive material particles in voids of the polymer binder network.