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US 2012/0058395 A1Published application
Battery electrode, method of producing the same, nonaqueous electrolyte battery, battery pack, and active material
AssigneeKabushiki Kaisha Toshiba
InventorsYasuhiro HARADA, Norio TAKAMI, Hiroki INAGAKI, Keigo HOSHINA, Yuki OTANI
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Abstract
According to one embodiment, there is provided a battery electrode. The battery electrode includes a titanium oxide compound having a monoclinic titanium dioxide crystal structure and a basic polymer.
Claims10
A battery electrode comprising:
- a titanium oxide compound having a monoclinic titanium dioxide crystal structure;
- and
- a basic polymer.
A method of producing an electrode, comprising:
- reacting an alkali titanate compound with an acid to exchange an alkali cation for a proton, thereby forming a protonic titanate compound;
- heating the protonic titanate compound to produce titanium oxide compound particle having a monoclinic titanium dioxide crystal structure;
- and
- making a basic polymer exist on the surface of the titanium oxide compound particle.
1 more element
An active material comprising:
- titanium oxide compound particle having a monoclinic titanium dioxide crystal structure;
- and
- a basic polymer coating at least a part of the surface of the titanium oxide compound particle.
Dependencies are inferred from the claim text.