Active material, nonaqueous electrolyte battery, battery pack, and vehicle

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United States of America Patent

PATENT NO 10084180
APP PUB NO 20170077495A1
SERIAL NO

15260823

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Abstract

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According to one embodiment, an active material including a monoclinic niobium-titanium composite oxide is provided. In the active material, a portion of niobium (Nb) or titanium (Ti) as a constituent element of Nb2TiO7 is substituted by an element. Here, the substitution of Nb or Ti satisfies any one of following formulas (1) to (3):

description='In-line Formulae' end='lead'Ti(IV)→0.75M(V)+0.25M(I)  (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'Ti(IV)→0.6M(VI)+0.4M(I)  (2)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'Nb(V)→0.8M(VI)+0.2M(I)  (3),description='In-line Formulae' end='tail'

where M(VI) is at least one of Mo and W, M(V) is at least one of Nb, Ta, and V, and M(I) is at least one of Na, K, Rb, and Cs.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Yasuhiro Isehara, JP 333 1766
Takami, Norio Yokohama, JP 489 5256

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