4.7 Article

Yolk-shell structured SnSe as a high-performance anode for Na-ion batteries

Journal

INORGANIC CHEMISTRY FRONTIERS
Volume 6, Issue 2, Pages 562-565

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c8qi01337c

Keywords

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Funding

  1. National Natural Science Foundation of China (NSFC) [51772142]
  2. Development and Reform Commission of Shenzhen Municipality (Novel Nanomaterial Discipline Construction Plan)
  3. Shenzhen Science and Technology Innovation Committee [JCYJ20170412152528921, KQJSCX20170328155428476]
  4. National Natural Science Foundation of China [21471160]
  5. Taishan Scholar Program of Shandong Province of China

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Yolk-shell structured SnSe nanoparticles have been investigated as anode materials in Na-ion batteries for the first time. These SnSe nanoparticles can deliver an initial de-sodiation capacity of 355.8 mA h g(-1) at 500 mA g(-1) with a high capacity retention of 72.5% after 150 cycles and exhibit excellent rate capabilities. The significant capacitive contribution in the total Na+ storage of the SnSe electrode is identified, which should account for its superior rate performance.

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