Patent ID: 11942599
Assignee: ENEVATE CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 0:
1. An energy storage device comprising:
an anode and a cathode, where at least one of the anode or the cathode contains an electrode additive;
a separator between the anode and the cathode; and
an electrolyte composition; wherein
said electrode additive comprises an asymmetrical alkylsulfonyl imide or alkylene sulfonylimide salt; and
wherein the electrode additive is of formula (Ia) or (Ib):, wherein X is Na, K, Rb, Cs, Fr, Mg, Ca, Zn or Al;
R1 and R2 are different and are selected from the group consisting of H, OH, alkylene, alkoxy, alkenyl, alkenylene, alkynyl, alkynylene, cycloalkyl, cycloalkylene, aryl, arylene, heteroaryl, heteroalkyl, heteroalkylene, heterocycloalkyl, and heterocycloalkylene, which may be also further optionally substituted.