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a) TOF‐SIMS characterization of the anode electrodes before and after high‐temperature storage. Normalized depth profiles of the interface and bulk fragments illustrate the structure of the SEI. b) 3D renderings of selected secondary ion fragments of the anode electrodes before and after high‐temperature storage. The sputtered volume is 100 µm (length) × 100 µm (width) × 150 nm (height). c,d) The TEM images of Gr anode before and after high‐temperature storage in LRLO pouch‐type full‐cell. e) Scheme of SEI formation and revolution (inserted images) on the anode electrodes before and after high‐temperature storage.
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In addressing the global climate crisis, the energy storage performance of Li‐ion batteries (LIBs) under extreme conditions, particularly for high‐energy‐density Li‐rich layered oxide (LRLO) cathode, is of the essence. Despite numerous researches into the mechanisms and optimization of LRLO cathodes under ideal moderate environment, there is a dear...
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