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US 2022/0102715 A1Published application
Cathode active material, method for preparing same, and secondary battery including cathode comprising same
AssigneeSm Lab Co., Ltd.
InventorsMin Ho SEO, Ji Young KIM
Life of this patent
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Abstract
The present disclosure relates to a cathode active material, a method of preparing the same, and a lithium secondary battery including a cathode including the cathode active material, the cathode active material including: a transition metal (M) other than a Co element, includes at least one element of W, Mg and Ti, and further includes an S element, a preparation method thereof, and a lithium secondary battery including a cathode including the cathode active material.
Claims18
A cathode active material comprising:
- a lithium transition metal oxide in which part of Li is substituted with Na, and which comprises a transition metal (M) other than a Co element, comprises at least one element of W, Mg, and Ti, and further comprises an S element.
A method of preparing a cathode active material, the method comprising:
- preparing a precursor compound in which part of Li is substituted with Na, and which comprises a transition metal (M) other than a Co element, comprises at least one element of W, Mg and Ti, and further comprises an S element;
- and
- heat-treating the precursor compound to obtain a cathode active material.
Dependencies are inferred from the claim text.