Patent ID: 11949072
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:
a first electrode;
a second electrode;
a separator between the first electrode and the second electrode; and
an electrolyte system comprising:
a cyanate based compound;
a linear carbonate;
a cyclic carbonate; and
a Li-containing salt; wherein said cyanate based compound is any one of formulae (VI), (VII) and (VIII):, wherein R6, R7 and R8 are each independently selected from the group consisting of a C1-C8 alkylene, C2-C8 alkenylene, a C2-C8 alkynylene, a cycloalkylene, an arylene, —O—,, , and, , wherein R6, R7 and R8 may be optionally substituted by —F, alkyl, alkenyl, cycloalkyl, aryl, —CN, —N+C−, fluoro-alkyl, fluoro-ether, —N(CH3)2,, , and, wherein RL, RM, RN and RO are each independently selected from the group consisting of a bond, a C1-C8 alkylene, a cycloalkylene, an arylene and —Si—, wherein RL, RM, RN and RO may be optionally substituted by —F, alkyl, alkenyl, alkynyl and aryl.