Nickel-based active material precursor for lithium secondary battery, method of preparing the same, nickel-based active material for lithium secondary battery formed therefrom, and lithium secondary battery including positive electrode including nickel-based active material

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United States of America Patent

PATENT NO 11677076
APP PUB NO 20230020658A1
SERIAL NO

17820475

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Abstract

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A nickel-based active material precursor includes a particulate structure including a core portion, an intermediate layer portion on the core portion, and a shell portion on the intermediate layer portion, wherein the intermediate layer portion and the shell portion include primary particles radially arranged on the core portion, and each of the core portion and the intermediate layer portion includes a cation or anion different from that of the shell portion. The cation includes at least one selected from boron (B), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), titanium (Ti), vanadium (V), tungsten (W), chromium (Cr), iron (Fe), copper (Cu), zirconium (Zr), and aluminium (Al), and the anion includes at least one selected from phosphate (PO4), BO2, B4O7, B3O5, and F.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG SDI CO LTD150-20 GONGSE-RO GIHEUNG-GU YONGIN-SI GYEONGGI-DO 17084 17084

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hyun, Jangsuk Yongin-si, KR 19 111
Yang, Wooyoung Yongin-si, KR 47 384
Yun, Pilsang Yongin-si, KR 69 236

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