US 12,136,699 B2
Nonaqueous electrolyte solution of lithium ion secondary battery, and lithium ion secondary battery
Yuta Yano, Seto (JP)
Assigned to PRIME PLANET ENERGY & SOLUTIONS, INC., Tokyo (JP)
Filed by Prime Planet Energy & Solutions, Inc., Tokyo (JP)
Filed on Nov. 29, 2021, as Appl. No. 17/536,102.
Claims priority of application No. 2020-199331 (JP), filed on Dec. 1, 2020.
Prior Publication US 2022/0173437 A1, Jun. 2, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0028 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A nonaqueous electrolyte solution of a lithium ion secondary battery, comprising:
a lithium salt as an electrolyte salt;
a nonaqueous solvent; and
an aromatic carboxylic acid compound and an aryl halide compound, as additives.