Issue 33, 2022

Bimetallic Bi–Sn microspheres as high initial coulombic efficiency and long lifespan anodes for sodium-ion batteries

Abstract

Anode materials with a high initial coulombic efficiency and a long lifespan are highly desirable for sodium-ion batteries. Here, bimetallic μ-BiSn microspheres well combine the high capacity of Sn and the good stability of Bi together, exhibiting superior electrochemical performance, such as a high initial Coulombic efficiency (90.6%), a good cycling stability (541 mA h g−1 after 3000 cycles at 2 A g−1) and an excellent rate capability (393 mA h g−1 at 10 A g−1).

Graphical abstract: Bimetallic Bi–Sn microspheres as high initial coulombic efficiency and long lifespan anodes for sodium-ion batteries

Supplementary files

Article information

Article type
Communication
Submitted
10 Feb 2022
Accepted
28 Mar 2022
First published
30 Mar 2022

Chem. Commun., 2022,58, 5140-5143

Bimetallic Bi–Sn microspheres as high initial coulombic efficiency and long lifespan anodes for sodium-ion batteries

Y. Zhu, C. Wang, Z. Cheng, Q. Yao, J. Su, B. Chen, J. Yang and Y. Qian, Chem. Commun., 2022, 58, 5140 DOI: 10.1039/D2CC00833E

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