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US 2018/0006309 A1Published application
Lithium ion secondary battery
AssigneeHitachi Chemical Company, Ltd.
InventorsKaoru KONNO, Eisuke HABA, Hiroo NISHIYAMA, Kouichi TAKEI, Hiroki MIKUNI
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Abstract
A lithium ion secondary battery includes: a cathode; an anode: a separator; and an electrolytic solution containing lithium hexafluorophosphate (LiPF6) as a lithium salt, wherein the cathode includes a current collector and a cathode mixture formed on the current collector, and wherein the cathode mixture contains an aluminum oxide, a part or an entirety of a surface of the aluminum oxide being coated with carbon.
Claims9
A lithium ion secondary battery, comprising:
- a cathode;
- an anode:
- a separator;
- and
- an electrolytic solution comprising a lithium salt,
- wherein the cathode comprises a current collector and a cathode mixture formed on the current collector,
- wherein the cathode mixture comprises an aluminum oxide, a part or an entirety of a surface of the aluminum oxide being coated with carbon, and
- wherein the aluminum oxide has a mass loss rate of from 0.5% to 30% at from 350° C. to 850° C., measured using a differential thermal-thermogravimetric analyzer (TG-DTA).
5 more elements
(canceled)
Dependencies are inferred from the claim text.