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US 2026/0024764 A1Published application
HIGH-ENTROPY SINGLE CRYSTAL CORE-SHELL STRUCTURED CATHODE ACTIVE MATERIAL FOR LMFP/LFP AND NCMA/NMx
AssigneeGM Global Technology Operations LLC
InventorsJingyuan LIU, Xin ZHANG, Haijing LIU
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Abstract
A cathode electrode includes a cathode current collector and a cathode active material layer arranged on at least one side of the cathode current collector. The cathode active material layer includes cathode active material comprising a plurality of cores each including a single crystal particle and a high entropy layer encapsulating each of the single crystal particles of the plurality of cores. The high entropy layer includes at least 5 different transition metal elements.
Claims20
A cathode electrode, comprising:
- a cathode current collector;
- and
- a cathode active material layer arranged on at least one side of the cathode current collector,
- wherein the cathode active material layer includes cathode active material comprising:
- a plurality of cores each including a single crystal particle;
- and
- a high entropy layer encapsulating each of the single crystal particles of the plurality of cores, wherein the high entropy layer includes at least 5 different transition metal elements.
4 more elements
A cathode electrode, comprising:
- a cathode current collector;
- and
- a cathode active material layer arranged on at least one side of the cathode current collector,
- wherein the cathode active material layer includes cathode active material comprising:
- a plurality of cores each including a single crystal particle;
- and
- a plurality of high entropy portions discontinuously located on each of the single crystal particles of the plurality of cores,
- wherein the plurality of high entropy portions include at least 5 different transition metal elements.
5 more elements
Dependencies are inferred from the claim text.