Issue 66, 2022

Lithiophilic Sn–Co nano-seeds sealed in a hollow carbon shell to stabilize lithium metal anodes

Abstract

A lithiophilic Sn–Co nano-seed sealed in a nitrogen-doped carbon shell is designed to stabilize lithium metal anodes, in which lithiophilic alloys can regulate lithium deposition behavior and the hollow carbon shell is beneficial to prevent agglomeration. The modified lithium anode can be stable for 1350 h and 400 h under 1 mA cm−2 and 5 mA cm−2 in symmetric cells. The Sn–Co@C@Li||LiFePO4 full cell with a low N/P ratio of 2.12 shows a superior capacity retention of >98% over 250 cycles under 1C.

Graphical abstract: Lithiophilic Sn–Co nano-seeds sealed in a hollow carbon shell to stabilize lithium metal anodes

Supplementary files

Article information

Article type
Communication
Submitted
24 May 2022
Accepted
11 Jul 2022
First published
12 Jul 2022

Chem. Commun., 2022,58, 9194-9197

Lithiophilic Sn–Co nano-seeds sealed in a hollow carbon shell to stabilize lithium metal anodes

Q. Li, J. Zhang, Y. Zeng, Z. Tang, D. Sun, Z. Peng, Y. Tang, H. Li and H. Wang, Chem. Commun., 2022, 58, 9194 DOI: 10.1039/D2CC02932D

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