NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

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United States of America Patent

SERIAL NO

15550409

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Abstract

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The present invention aims to suppress gas generation during charge/discharge cycles, storage, and the like when a group IV to VI oxide, such as a lithium titanate, is used as a negative electrode active material. A non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode collector and a positive electrode mixture layer formed thereon, a negative electrode having a negative electrode collector and a negative electrode mixture layer formed thereon, and a fluorine-containing non-aqueous electrolyte. In the positive electrode mixture layer, a lithium transition metal oxide and a phosphoric acid compound are contained. In the negative electrode mixture layer, a group IV to VI oxide is contained which contains at least one type of element selected from a group IV element, a group V element, and a group VI element of the periodic table and which has a BET specific surface area of 2.0 m2/g or more.

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Patent Owner(s)

Patent OwnerAddress
SANYO ELECTRIC CO LTD1-1 SANYO-CHO DAITO-SHI OSAKA 574-8534

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Natsumi Hyogo, JP 25 38
Sugimori, Masanori Hyogo, JP 32 87
Yanagida, Katsunori Hyogo, JP 89 474

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  • 5 Citation Count
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  • 31.62 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8301649116263101 - 1011 - 2021 - 3031 - 4041 - 500100200300400500600700800900100011001200130014001500160017001800

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