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US 11,309,533 B2Granted
Composite oxide, active material composite material, electrode, battery, battery pack, and vehicle
AssigneeKabushiki Kaisha Toshiba
InventorsYasuhiro Harada, Norio Takami, Kazuomi Yoshima, Yasunobu Yamashita
Life of this patent
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Abstract
According to one embodiment, provided is a composite oxide containing lithium, niobium, and tantalum. A mass ratio of tantalum with respect to niobium is in a range of from 0.01% to 1.0%.
Claims17
A composite oxide comprising lithium, niobium, and tantalum, a mass ratio of tantalum with respect to niobium being in a range of from 1×10−4 to 0.010.
Dependencies are inferred from the claim text.