Nonaqueous electrolyte battery, battery pack and vehicle

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United States of America Patent

PATENT NO 9786909
SERIAL NO

14302176

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Abstract

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A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains a lithium compound and a negative electrode current collector supporting the lithium compound. A log differential intrusion curve obtained when a pore size diameter of the negative electrode is measured by mercury porosimetry has a peak in a pore size diameter range of 0.03 to 0.2 μm and attenuates with a decrease in pore size diameter from an apex of the peak. A specific surface area (excluding a weight of the negative electrode current collector) of pores of the negative electrode found by mercury porosimetry is 6 to 100 m2/g. A ratio of a volume of pores having a pore size diameter of 0.05 μm or less to a total pore volume is 20% or more.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inagaki, Hiroki Kawasaki, JP 256 3511
Morishima, Hideaki Ichikawa, JP 33 410
Saruwatari, Hidesato Saku, JP 77 867
Takami, Norio Yokohama, JP 489 5256

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