Journal
CHEMPHYSCHEM
Volume 15, Issue 10, Pages 2152-2155Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201400088
Keywords
batteries; nanostructures; olivine; sodium; x-ray diffraction
Funding
- Italian Institute of Technology
- Regione Lazio, Italy
- Human Resources Development program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) - Korea government Ministry of Trade, Industry and Energy [20124010203290]
- National Research Foundation of Korea (NRF) - Korea government (MEST) [2009-0092780]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20124010203290] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2009-0092780] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We report a new sodium-ion battery formed by coupling a NaFePO4 cathode and a nanocomposite tin-carbon (Sn-C) sodium-alloying anode. The NaFePO4 cathode is obtained by Li-Na conversion of a LiFePO4 cathode directly in the full cell employing the Sn-C anode and a sodium-ion electrolyte. The results show that the unique approach adopted here is capable of successfully and efficiently converting LiFePO4 into NaFePO4 in a sodium-ion battery operating at a voltage of 3 V, with a maximum reversible capacity of 150 mAh g(-1), high reversibility, and high rate capability.
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