Back to results
US 7,604,897 B2Granted
Nonaqueous electrolyte battery having a La3Co2Sn7 type crystal structure
AssigneesKabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.
InventorsShinsuke Matsuno, Takao Sawa, Yumi Fujita, Tatsuoki Kono, Norio Takami, Fumiyuki Kawashima
Life of this patent
Estimating the term…
Abstract
A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains an intermetallic compound having an La3Co2Sn7 type crystal structure of which alkaline-earth metal atoms occupy La sites. The nonaqueous electrolyte contains at least one of methyl ethyl carbonate and dimethyl carbonate.
Claims15
A nonaqueous electrolyte battery comprising:
- a negative electrode containing an intermetallic compound having an La3Co2Sn7 type crystal structure of which alkaline-earth metal atoms occupy La sites;
- a nonaqueous electrolyte containing a solvent consisting of at least one of methyl ethyl carbonate and dimethyl carbonate;
- and
- a positive electrode.
1 more element
Dependencies are inferred from the claim text.