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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Yokoshima, Tokihiko Momma, Toshiyuki Osaka, Tetsuya Nara, Hiroki |
| Copyright Year | 2012 |
| Abstract | A highly durable SiOC composite anode was prepared for use in lithium secondary batteries. The SiOC composite was synthesized by electrodeposition of SiCl4. The composite anode delivered a discharge capacity of 1045 mA h per gram of Si at the 2000th cycle and 842 mA h per gram of Si even at the 7200th cycle. The reason for the excellent cyclability was investigated by methods including field emission scanning electron microscopy (FESEM), scanning transmission electron microscopy with an energy dispersive X-ray analyser (STEM-EDX), and X-ray photoelectron spectroscopy (XPS). The results revealed that the excellent cyclability was achieved by the homogeneous dispersion of SiOx and organic/inorganic compounds at the nanometre scale. The structural uniformity of the SiOC composite is believed to have suppressed the crack formation attributable to the stress resulting from the reaction of silicon with lithium during charge–discharge cycles. |
| Starting Page | 6500 |
| Ending Page | 6505 |
| Page Count | 6 |
| File Format | HTM / HTML PDF |
| ISSN | 17545692 |
| Volume Number | 5 |
| Issue Number | 4 |
| Journal | Energy & Environmental Science |
| DOI | 10.1039/c2ee03278c |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Anode Lithium Electroplating Gram Scanning electron microscope Scanning transmission electron microscopy X-ray X-ray photoelectron spectroscopy Photoemission spectroscopy Dispersion relation Nanometre |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering |
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