Positive electrode active material for all-solid-state lithium secondary batteries
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United States of America Patent
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Nov 21, 2023
Grant Date -
May 6, 2021
app pub date -
Aug 10, 2018
filing date -
Aug 14, 2017
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Abstract
A positive electrode active material for an all-solid-state lithium secondary battery, which is capable of improving the rate characteristics, the cycle characteristics, and the initial charge and discharge efficiency even in the case where a sulfide-based solid electrolyte is used, wherein the surface of a lithium-containing composite oxide, referred to as present core particles, is coated with a compound, referred to as, LiAO compound, containing Li, A, where A represents one or more elements selected from the group consisting of Ti, Zr, Ta, Nb, Zn, W, and Al, and O; and a halogen is present on the surface of the present core particles.
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