Abstract
To overcome the problem of volume change of SiO anode material, SiO/C composites are synthesized with different proportion of SiO and citric acid by ball milling and pyrolysis. The electrochemical performance and microstructure of the composites are investigated by XRD, SEM and Land. The composite anode material shows a discharge capacity of 1768 mAh/g in the first cycle with the coulombic efficiency of 62%. After 50 cycles, the discharge capacity is about 540 mAh/g. The improved stability of the materials can be attributed to the carbon-coating formed during pyrolysis progress, which effectively buffer the volume expansion of SiO and improve the conductivity of the composites.
| Original language | English |
|---|---|
| Title of host publication | Energy Development |
| Pages | 933-936 |
| Number of pages | 4 |
| DOIs | |
| Publication status | Published - 2014 |
| Event | 3rd International Conference on Energy, Environment and Sustainable Development, EESD 2013 - Shanghai, China Duration: 12 Nov 2013 → 13 Nov 2013 |
Publication series
| Name | Advanced Materials Research |
|---|---|
| Volume | 860-863 |
| ISSN (Print) | 1022-6680 |
Conference
| Conference | 3rd International Conference on Energy, Environment and Sustainable Development, EESD 2013 |
|---|---|
| Country/Territory | China |
| City | Shanghai |
| Period | 12/11/13 → 13/11/13 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Anode material
- Citric acid
- Li-ion batteries
- SiO
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