Positive electrode active material for non-aqueous electrolyte secondary battery comprising lithium transition metal complex oxide, and non-aqueous electrolyte secondary battery

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United States of America

PATENT NO 11945729
SERIAL NO

17457505

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Abstract

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A method for producing a nickel cobalt complex hydroxide includes first crystallization of supplying a solution containing Ni, Co and Mn, a complex ion forming agent and a basic solution separately and simultaneously to one reaction vessel to obtain nickel cobalt complex hydroxide particles, and a second crystallization of, after the first crystallization, further supplying a solution containing nickel, cobalt, and manganese, a solution of a complex ion forming agent, a basic solution, and a solution containing said element M separately and simultaneously to the reaction vessel to crystallize a complex hydroxide particles containing nickel, cobalt, manganese and said element M on the nickel cobalt complex hydroxide particles crystallizing a complex hydroxide particles comprising Ni, Co, Mn and the element M on the nickel cobalt complex hydroxide particles.

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Patent Owner(s)

Patent OwnerAddress
NICHIA CORPORATION491-100 OKA KAMINAKA-CHO ANAN-SHI TOKUSHIMA 774-8601

International Classification(s)

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  • 2021 Application Filing Year
  • H01M Class
  • 8681 Applications Filed
  • 3233 Patents Issued To-Date
  • 37.25 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kitagawa, Takahiro Tokushima, JP 29 103
Sonoo, Masato Komatsushima, JP 8 31
Yoshida, Hideki Tokushima, JP 171 2265

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges579113201 - 1002505007501000125015001750200022502500275030003250350037504000425045004750500052505500575060006250

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