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| 论文编号: |
122214O120110283 |
| 第一作者所在部门: |
701组 |
| 中文论文题目: |
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| 英文论文题目: |
A green and ultrafast approach to the synthesis of scalable graphene nanosheets with Zn powder for electrochemical energy storage
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| 论文题目英文: |
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| 作者: |
杨永岗
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| 论文出处: |
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| 刊物名称: |
Journal of Materials Chemistry
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| 年: |
2011
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| 卷: |
21 |
| 期: |
39 |
| 页: |
15449 |
| 联系作者: |
杨永岗 |
| 收录类别: |
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| 影响因子: |
5.101
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| 摘要: |
We developed a novel and ultrafast method to reduce graphene oxide (GO) with Zn powder in mildalkaline conditions under ultrasonication only for 10 min at room temperature. The as-prepared graphene nanosheets (GNs) are characterized by scanning electron microscopy, transmission electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy and so on. Moreover, we
proposed the reducing mechanism under which Zn powder and GO formed numerous Zn-GO primary batteries in the presence of ammonia solution, which can effectively remove a signi？cant fraction of the oxygen-containing functional groups and yield a C/O ratio as high as 8.09 and 8.58 reduced by ultrasonication for 10 min and 60 min, respectively. A maximum speci capacitance of 116 F g 1 in an aqueous KOH electrolyte solution has been obtained. This approach presents us with a possibility for an environmentally friendly, ultrafast, low-cost and large-scale production of GNs and great potentials in electrochemical energy storage applications of graphene-based materials. |
| 英文摘要: |
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