Compositional gradient design and microstructural engineering enable ultra-stable quinary Ni-rich cathodes in high-voltage pouch cells (IMAGE)

Science China Press

Compositional gradient design and microstructural engineering enable ultra-stable quinary Ni-rich cathodes in high-voltage pouch cells

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The as-synthesized quinary full-concentration-gradient cathode g-NCMAB features a Mn-rich Ni-poor surface and radially aligned primary particles, effectively enhancing surface chemical stability, improving mechanical strength, and dissipating internal tensile and compressive stresses.

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