Electrode for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery provided with same

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11978885
APP PUB NO 20220029147A1
SERIAL NO

17493901

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrode for nonaqueous electrolyte secondary batteries, provided with a collector and a positive electrode active material layer arranged on the collector and contains a positive electrode active material. The positive electrode active material contains compound particles which have a layered structure composed of two or more transition metals, and which have an average particle diameter DSEM of from 1 μm to 7 μm (inclusive) based on the observation with an electron microscope, a ratio of the 50% particle diameter D50 in a volume-based cumulative particle size distribution to the average particle diameter DSEM, namely D50/DSEM of from 1 to 4 (inclusive), and a ratio of the 90% particle diameter D90 in the volume-based cumulative particle size distribution to the 10% particle diameter D10 in the volume-based cumulative particle size distribution, namely D90/D10 of 4 or less. The positive electrode active material layer has a void fraction of 10-45%.

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Patent Owner(s)

  • HONDA MOTOR CO. LTD.; NICHIA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawamura, Soshi Wako, JP 10 19
Kobayashi, Kenichi Anan, JP 331 4359
Maeyama, Hiroto Wako, JP 19 20
Ogawa, Atsushi Wako, JP 178 2353
Sukigara, Toru Wako, JP 39 81

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