Journal
ADVANCED ENERGY MATERIALS
Volume 6, Issue 18, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201600467
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Funding
- National Science Foundation [CBET-1438007]
- U.S. Department of Energy, ARPA-E Project [UTA13-000404]
- U.S. Department of Energy, Office of Basic Energy Sciences [DE-SC0005397]
- Robert A. Welch Foundation [F-1066]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1438007] Funding Source: National Science Foundation
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The design of a sodium-ion rechargeable battery with an antimony anode, a Na3V2(PO4)(3) cathode, and a low-cost composite gel-polymer electrolyte based on cross-linked poly(methyl methacrylate) is reported. The application of an antimony anode, on replacement of the sodium metal that is commonly used in sodium-ion half-cells, reduces signifi cantly the interfacial resistance and charge transfer resistance of a sodium-ion battery, which enables a smaller polarization for a sodium-ion full-cell Sb/Na3V2(PO4)(3) running at relatively high charge and discharge rates. The incorporation of the gel-polymer electrolyte is benefi cial to maintain stable interfaces between the electrolyte and the electrodes of the sodium-ion battery at elevated temperature. When running at 60 degrees C, the sodium-ion full-cell Sb/Na3V2(PO4)(3) with the gel-polymer electrolyte exhibits superior cycling stability compared to a battery with the conventional liquid electrolyte.
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