Electrolytic solution and battery
AssigneeSony Corporation
InventorsHiroyuki Yamaguchi, Masayuki Ihara, Tadahiko Kubota
Life of this patent
Estimating the term…
Abstract
A battery capable of improving at least one of high-temperature storage characteristics and high-temperature cycle characteristics is provided. A battery includes a cathode, an anode and an electrolytic solution, and a separator arranged between the cathode and the anode is impregnated with the electrolytic solution. The electrolytic solution includes an acyl halide such as succinyl chloride or succinyl fluoride as well as a solvent and an electrolyte salt.
Claims32
An electrolytic solution comprising:
- a solvent;
- an electrolyte salt;
- and
- an acyl halide.
A battery comprising a cathode, an anode and an electrolytic solution,
- wherein the electrolytic solution includes:
- a solvent;
- an electrolyte salt;
- and
- an acyl halide.
The battery according to 20, wherein
- the chain carbonate including a halogen as an element includes at least one kind selected from the group consisting of fluoromethyl methyl carbonate, bis(fluoromethyl) carbonate and difluoromethyl methyl carbonate, and the cyclic carbonate including a halogen as an element includes at least one kind selected from the group consisting of 4-fluoro-1,3-dioxolane-2-one and 4,5-difluoro-1,3-dioxolane-2-one.
Dependencies are inferred from the claim text.