US 11,721,860 B2
Flame-retardant compositions for energy storage devices, methods of manufacture thereof and batteries containing the same
Xingcheng Xiao, Troy, MI (US); Mei Cai, Bloomfield Hills, MI (US); Anne M. Dailly, West Bloomfield, MI (US); Prabjot Nanua, Ann Arbor, MI (US); and Julian Sherborne, South Lyon, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Aug. 6, 2021, as Appl. No. 17/396,208.
Prior Publication US 2023/0059036 A1, Feb. 23, 2023
Int. Cl. H01M 4/02 (2006.01); H01M 50/143 (2021.01); C09K 21/02 (2006.01); H01M 50/204 (2021.01); C09K 21/10 (2006.01); C09K 21/12 (2006.01)
CPC H01M 50/143 (2021.01) [C09K 21/02 (2013.01); C09K 21/10 (2013.01); C09K 21/12 (2013.01); H01M 50/204 (2021.01)] 20 Claims
OG exemplary drawing
 
1. A flame-retardant composition for a battery module comprising:
a first composition that comprises porous particles upon which are disposed a first metal catalyst particle and a first flame-retardant particle; and
a second composition that comprises a fibrous composition that comprises a fibrous substrate upon which are disposed a second metal catalyst particle and a second flame-retardant particle; wherein the first composition and the second composition are disposed atop a plurality of battery cells in the battery module.