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“Spike-Accessed” Polymer-Based Interphase-Engineered Surface-to-Bulk Lattice Stabilization for Ni-Rich Positive Electrodes

Yapeng Shi, Xiaodong Lin, Xinxin Yang, Jiaqing Cui, Tianyi Ding, Zhao Li, Pan Xu, Kun Wang, Genrui Qiu, Yuteng Fan, Yi Zhao, Jianing Duan, Chutao Wang, Haowei Sun, Jingmin Fan, Jiawei Yan, Ruming Yuan, Mingsen Zheng, Alexandru Vlad, Quanfeng Dong

Peer-reviewed journalBold claims, read criticallyReal-world use

In the authors' words

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Main result
Consequently, NCM811 positive electrodes incorporating the engineered CEI retain discharge capacities exceeding 100 mAh g–1 after 2,400 cycles at 5 C while exhibiting suppressed transition-metal dissolution and minimal impedance growth, even when cycled to 4.5 V. The strategy further enables stable cycling of 5.61 Ah lithium–metal (ca.
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Appeared: Saturday, September 26. Journal of the American Chemical Society. Peer-reviewed journal.

DOI: 10.1021/jacs.6c15426

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