Nonaqueous electrolyte battery and battery pack

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United States of America Patent

PATENT NO 9979020
SERIAL NO

15053437

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Abstract

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According to one embodiment, a nonaqueous electrolyte battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte is provided. The positive electrode includes an active material including Li1−xMn2−y−zAlyMzO4 (−0.1≤x≤1, 0.20≤y≤0.35, 0≤z≤0.1, M is at least one metal selected from Mg, Ca, Ti, V, Cr, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, and Sn). The negative electrode includes an active material including a first oxide represented by Li4+aTi5O12 (−0.5≤a≤3) and a second oxide of at least one element selected from Al, Co, Cr, Cu, Fe, Mg, Ni, Zn, and Zr. The second oxide is included in an amount of from 300 ppm to 5000 ppm relative to a weight of the first oxide.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuriyama, Hiromichi Yokkaichi, JP 36 94
Murashi, Yasuaki Kashiwazaki, JP 17 49
Nishio, Naoki Kashiwazaki, JP 36 419
Saruwatari, Hidesato Kawasaki, JP 77 862
Yamamoto, Dai Kashiwazaki, JP 81 255
Yoshikawa, Hikaru Kashiwazaki, JP 24 35

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