METHOD FOR PRODUCING LITHIUM IRON PHOSPHATE

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United States of America Patent

APP PUB NO 20120292560A1
SERIAL NO

13521574

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of producing lithium iron phosphate includes adding iron particles containing 0.5 mass % or more of oxygen to an aqueous solution containing a phosphoric acid, a carboxylic acid and a lithium source, and causing components contained in the aqueous solution and the iron particles to react with each other under an oxidizing atmosphere and thereby form a reaction liquid; drying the reaction liquid to form a lithium iron phosphate precursor; and baking the lithium iron phosphate precursor under a non-oxidizing atmosphere to obtain the lithium iron phosphate.

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Patent Owner(s)

Patent OwnerAddress
JFE CHEMICAL CORPORATIONTOKYO 111-0051

International Classification(s)

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  • 2010 Application Filing Year
  • C01B Class
  • 1080 Applications Filed
  • 760 Patents Issued To-Date
  • 70.38 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201020112012201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sakai, Minoru Chiba, JP 98 716
Tahara, Tomoyuki Chiba, JP 15 62

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  • 2 Citation Count
  • C01B Class
  • 10.99 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges5027977281122111301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8091 - 100100 +020406080100120140160180200220240260280300

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