PRODUCTION PROCESS FOR COMPOSITE OXIDE, POSITIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY

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United States of America Patent

APP PUB NO 20130171525A1
SERIAL NO

13820961

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Abstract

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A production process according to the present invention is a novel production process for composite oxide, production process whose a major product is a lithium-manganese-based oxide that includes at least the following: a lithium (Li) element; and a tetravalent manganese (Mn) element, and lithium-manganese-based oxide whose crystal structure belongs to a layered rock-salt structure;

    said composite oxide is obtained via the following:a molten reaction step of reacting at least the following one another: a metal-containing raw material; and a molten-salt raw material at a melting point of the molten-salt raw material or more,the metal-containing raw material including one or more kinds of metallic elements in which Mn is essential,the molten-salt raw material including lithium hydroxide but not including any other compound virtually, and the molten-salt raw material including Li in an amount that exceeds a theoretical composition of Li being included in said composite oxide to be targeted; anda recovery step of recovering said composite oxide being generated at said molten reaction step.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI2-1 TOYODA-CHO KARIYA-SHI AICHI 448-8671

International Classification(s)

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  • 2011 Application Filing Year
  • H01M Class
  • 3434 Applications Filed
  • 3132 Patents Issued To-Date
  • 91.21 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Toru Kariya-shi, JP 38 423
Isomura, Ryota Kariya-shi, JP 5 56
Yasuda, Naoto Kariya-shi, JP 24 167

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4349519411437131666211001 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0255075100125150175200225250275300325350375400425450475500525

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