Highly Stable Intermetallic FeSn2 -Graphite Composite Anode for Sodium-Ion Batteries
| Autor: | Srinivasan Madhavi, Eldho Edison, Vanchiappan Aravindan, Wong Chui Ling |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Materials science
Natural resource economics Sodium Composite number Solvothermal synthesis Intermetallic chemistry.chemical_element 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Catalysis Energy storage 0104 chemical sciences Anode chemistry Chemical engineering Electrochemistry Grid energy storage Graphite 0210 nano-technology |
| Zdroj: | ChemElectroChem. 4:1932-1936 |
| ISSN: | 2196-0216 |
| DOI: | 10.1002/celc.201700241 |
| Popis: | The development of anodes with high capacity, long cycle life and good rate capability is essential to expedite the commercialization of sodium-ion batteries for practical applications, including grid storage and electric vehicles (EV). Herein, we report the facile solvothermal synthesis of nanostructured iron distannide (FeSn2) intermetallic particles as an alloy-type anode and the improvement of its cycle life by fabricating FeSn2-graphite composites by a ball-milling process. The influence of graphite concentration on the sodium storage properties is studied. The composite anode delivered over 400 mAh g−1 sodiation capacity over 200 cycles at a specific current of 100 mA g−1. In addition, the composite anode exhibited excellent rate performance at higher current rates. This result would certainly pave the way for the development of high-performance anodes that would realize low-cost sodium-ion batteries with a longer calendar life. |
| Databáze: | OpenAIRE |
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