摘要
Lithium (Li) metal represents a promising anode material for constructing high-energy-density rechargeable batteries but is severely limited by uncontrolled Li dendrite growth. Introducing a Li host effectively relieves Li dendrite growth, while precise construction of the lithiophilic sites is essential but insufficient among the current strategies. In this contribution, a covalent organic framework is employed as a Li host to precisely construct the lithiophilic sites with well-defined chemical structure and uniform geometric distribution at the atomic level. The precisely constructed structure delivers maximum efficiency and exposure of the lithiophilic sites. Consequently, the G@COF-1 host reduces Li nucleation overpotentials and favors prolonged lifespan with uniform deposition morphologies, and the G@COF-1-Li composite anode realizes stable cycling in LFP and NCM full cells.
源语言 | 英语 |
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页(从-至) | 253-264 |
页数 | 12 |
期刊 | Matter |
卷 | 4 |
期 | 1 |
DOI | |
出版状态 | 已出版 - 6 1月 2021 |
已对外发布 | 是 |