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US 2011/0217596 A1Published application
Nonaqueous electrolyte battery
AssigneeSony Corporation
InventorsYuki Ogawa, Haruo Watanabe, Fumihata Yamamoto, Masaki Machida, Yumiko Torimizu
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Abstract
A nonaqueous electrolyte battery includes: a positive electrode having a positive electrode active material layer that includes a positive electrode active material, a binder, and a compound having a pyrrolidone skeleton; a negative electrode having a negative electrode active material layer; a nonaqueous electrolyte that includes a solvent and an electrolyte salt; and a polyacid and/or a polyacid compound contained inside the battery.
Claims12
A nonaqueous electrolyte battery comprising:
- a positive electrode having a positive electrode active material layer that includes a positive electrode active material, a binder, and a compound having a pyrrolidone skeleton;
- a negative electrode having a negative electrode active material layer;
- a nonaqueous electrolyte that includes a solvent and an electrolyte salt;
- and
- a polyacid and/or a polyacid compound contained inside the battery.
2 more elements
A nonaqueous electrolyte battery comprising:
- a positive electrode having a positive electrode active material layer that includes a positive electrode active material, a binder, and a compound having a pyrrolidone skeleton;
- a negative electrode having a negative electrode active material layer;
- a nonaqueous electrolyte that includes a solvent and an electrolyte salt;
- and
- a coating that originates in a polyacid and/or a polyacid compound, and is formed on the positive electrode.
2 more elements
Dependencies are inferred from the claim text.