Journal
NANO LETTERS
Volume 14, Issue 11, Pages 6387-6392Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl5028606
Keywords
Li-ion batteries; Na-ion batteries; anodes; Ni3Sn2; porous structures
Categories
Funding
- Alexander von Humboldt Foundation
- National Natural Science Foundation of China [21171015, 21373195, 11202177]
- Recruitment Program of Global Experts
- program for New Century Excellent Talents in University (NCET)
- Fundamental Research Funds for the Central Universities [WK2060140014, WK2060140016]
- Max Planck Society
- European Union Seventh Framework Programme [FP7] [312483 (ESTEEM2)]
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Highly porous Ni3Sn2 microcages composed of tiny nanoparticles were synthesized by a facile template-free solvothermal method (based on Ostwald ripening and etching mechanism) for use as anode materials for high-capacity and high-rate-capability Li-ion and Na-ion batteries. The Ni3Sn2 porous microcages exhibit highly stable and substantial discharge capacities of the amount to 700 mA h g(-1) after 400 cycles at 0.2C and 530 mA h g(-1) after 1000 cycles at 1C for Li-ion battery anode. For Na-ions storage performance, a reversible capacity of approximate 270 mA h g(-1) is stably maintained at 1C during the first 300 cycles.
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