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| 论文编号: |
122214O120130055 |
| 第一作者所在部门: |
708组 |
| 中文论文题目: |
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| 英文论文题目: |
Wrinkled-graphene wrapped silicon nanoparticles synthesized through charged colloidal assembly for enhanced battery performance
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| 论文题目英文: |
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| 作者: |
李海
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| 论文出处: |
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| 刊物名称: |
Functional Materials Letters
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| 年: |
2013
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| 卷: |
6 |
| 期: |
6 |
| 页: |
1350067-1-1350067-4 |
| 联系作者: |
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| 收录类别: |
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| 影响因子: |
1.27
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| 摘要: |
Elastic composite of wrinkled graphene sheets and Si nanoparticles has been prepared through engineering charged Si nanoparticles
capping with 3-aminopropyl triethoxysilane and graphene oxide in colloidal state. In the composite, the Si nanoparticles are
uniformly wrapped by the graphene sheets. When used as an anode for lithium-ion batteries, the as-obtained material exhibits high
Coulombic efficiency, good cycling stability of 1044 mAh g1 at a current density of 200mA g1 after 100 cycles, and superior
rate capability. Such excellent electrochemical performance should be attributed to the wrinkled graphene sheets, which not only
buffer volume expansion of Si nanoparticles during the cycling but also act as electrical conducting pathway. |
| 英文摘要: |
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| 外单位作者单位: |
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| 备注: |
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