| 三明治结构G@SnO_2 @C复合材料的合成、表征及其钠离子电池负极性能研究 |
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| 引用本文： | 钱翔英. 三明治结构G@SnO_2 @C复合材料的合成、表征及其钠离子电池负极性能研究[J]. 电子显微学报, 2019, 38(2): 107-111 |
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| 作者姓名： | 钱翔英 |
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| 作者单位： | 中国科学院福建物质结构研究所,福建 福州,350002 |
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| 基金项目： | 福建省自然基金青年创新项目 |
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| 摘 要： | 本文通过简易湿化学法结合水热包碳成功制备出三明治结构的G@SnO_2 @C复合材料,利用XRD、SEM和TEM等表征手段详细研究了该复合材料的成分和微观形貌,结果表明SnO_2纳米颗粒均匀地分布在石墨烯基底和碳包覆层中间。作为钠离子电池负极材料,其表现出高的比容量以及优异的循环稳定性。
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| 关 键 词： | 石墨烯 SNO2 碳包覆 钠离子电池负极 |
Synthesis,characterization and sodium storage performance of sandwich-like G@SnO_2@C composite |
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| QIAN Xiang-ying. Synthesis,characterization and sodium storage performance of sandwich-like G@SnO_2@C composite[J]. Journal of Chinese Electron Microscopy Society, 2019, 38(2): 107-111 |
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| Authors: | QIAN Xiang-ying |
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| Affiliation: | (Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou Fujian 350002,China) |
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| Abstract: | A sandwich-like G@SnO2@C composite was successfully synthesized through a facile wet-chemistry process,followed with a hydrothermal carbon coating treatment. The component and morphology of this composite were carefully characterized through XRD,SEM,and TEM,showing that SnO2 nanoparticles were uniformly distributed within graphene matrix and carbon coating layer. As an anode material for sodium-ion batteries,this composite can deliver high specific capacity and good cycling stability. |
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| Keywords: | graphene SnO2 carbon coating sodium-ion batteries |
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