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US 11,777,074 B2Granted
Secondary battery positive electrode and secondary battery
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsSatoshi Shibutani, Yuki Tokuda
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Abstract
This positive electrode includes a current collector, an intermediate layer which is formed at least on one surface of the current collector, and a composite material layer which is formed on the intermediate layer. The intermediate layer includes metal compound particles, a conductive material, and a binding material. The metal compound particles comprise at least one selected from a sulfated oxide, hydroxide, or oxide of alkali earth metal or alkali metal.
Claims12
A positive electrode for a secondary battery, comprising:
- a current collector;
- an intermediate layer formed on at least one surface of the current collector;
- and
- a mixture layer formed on the intermediate layer,
- wherein the intermediate layer comprises metal compound particles, a conductive agent, and a binder, and
- the metal compound particles are composed of at least one selected from a sulfate, a hydroxide, and an oxide of an alkaline earth metal or an alkali metal,
- wherein the metal compound particles are at least one selected from barium sulfate particles and lithium oxide particles.
4 more elements
A positive electrode for a secondary battery, comprising:
- a current collector;
- an intermediate layer formed on at least one surface of the current collector;
- and
- a mixture layer formed on the intermediate layer,
- wherein the intermediate layer comprises metal compound particles, a conductive agent, and a binder, and
- the metal compound particles are composed of at least one selected from a sulfate, a hydroxide, and an oxide of an alkaline earth metal or an alkali metal,
- wherein the intermediate layer further comprises metal phosphate particles.
4 more elements
Dependencies are inferred from the claim text.