Charging method of non-aqueous electrolyte secondary battery, and charging system of non-aqueous electrolyte secondary battery

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United States of America Patent

PATENT NO 11949091
APP PUB NO 20200403220A1
SERIAL NO

16975820

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A charging method of a non-aqueous electrolyte secondary battery involves a first charging step in which, defining x as the ratio of the capacity of a silicon compound to the rated capacity Q (0.1≤x≤0.5), charging is performed at a first fixed current value I1st that satisfies the expression below; and a high current charging step in which after completion of the first charging step, charging is performed at a fixed current value Imax higher than the first fixed current value I1st.

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Patent Owner(s)

  • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Soga, Masahiro Osaka, JP 12 9
Yamamoto, Taisuke Nara, JP 72 633

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