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US 9,428,396 B2Granted
Method for producing lithium titanate precursor, method for producing lithium titanate, lithium titanate, electrode active material, and electricity storage device
AssigneeIshihara Sangyo Kaisha, Ltd.
InventorsMasatoshi Honma, Kazuyoshi Takeshima, Yusuke Okuda, Tsunehisa Takeuchi
Life of this patent
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Abstract
A method for producing a lithium titanate precursor includes the step of grinding a lithium compound and a titanium compound in a state where these compounds coexist. More preferably, a method for producing a lithium titanate precursor includes the steps of; mixing a lithium compound and a titanium compound; and grinding the lithium compound and the titanium compound in a state where these compounds coexist by the mixing.
Claims19
A method for producing lithium titanate, the method comprising:
- adding a lithium titanate compound in powdered form to one or more of a lithium compound in powdered form, a titanium compound in powdered form, or a mixture thereof, said lithium titanate compound having a same crystal structure as an intended lithium titanate;
- mixing said lithium compound, said titanium compound and said lithium titanate compound;
- grinding said lithium compound, said titanium compound and said lithium titanate compound in a state where these compounds coexist to produce a lithium titanate precursor;
- and
- heating said lithium titanate precursor.
2 more elements
Dependencies are inferred from the claim text.