超声波对α-Ni（OH）_2电极结构及电化学性能的影响
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| Published in | 中国有色金属学报：英文版 Vol. 21; no. 12; pp. 2654 - 2659 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
2011
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| Subjects | |
| Online Access | Get full text |
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| Author | 张仲举 朱燕娟 包杰 周卓均 叶贤聪 许庆盛 |
|---|---|
| AuthorAffiliation | 广东工业大学物理与光电工程学院,广州510006 |
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| DocumentTitleAlternate | Effect of ultrasonic on structure and electrochemical performance of α-Ni（OH）_2 electrodes |
| EndPage | 2659 |
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| Notes | Al/Co co-doped α-Ni（OH）2; ultrasonic co-precipitation method; proton diffusion coefficient; charge-transfer resistance; electrochemical performance 43-1239/TG Al/Co co-doped α-Ni（OH）2 samples were prepared by either ultrasonic co-precipitation method （Sample B） or co-precipitation method （Sample A）. The crystal structure and particle size distribution of the prepared samples were examined by X-ray diffraction （XRD） and laser particle size analyzer, respectively. The results show that Sample B has more crystalline defects and smaller average diameter than Sample A. The cyclic voltammetry and electrochemical impedance spectroscopy measurements indicate that Sample B has better electrochemical performance than Sample A, such as better reaction reversibility, lower charge-transfer resistance and better cyclic stability. Proton diffusion coefficient of Sample B is 1.96×10-10cm2/s, which is two times as large as that （9.78×10-11cm2/s） of Sample A. The charge-discharge tests show that the discharge capacity （308 mA·h/g） of Sample B is 25 mA·h/g higher than that of Sample A （283 mA·h/g）. ZHANG Zhong-ju, ZHU Yan-juan, BAO Jie, ZHOU Zhuo-jun, YE Xian-cong, XU Qing-sheng School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China |
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| PublicationDate | 2011 |
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| PublicationTitle | 中国有色金属学报：英文版 |
| PublicationTitleAlternate | Transactions of Nonferrous Metals Society of China |
| PublicationYear | 2011 |
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| StartPage | 2654 |
| SubjectTerms | Al/Co复合掺杂α-Ni（OH）2 电化学性能 电荷转移电阻 质子扩散系数 超声波共沉淀法 |
| Title | 超声波对α-Ni（OH）_2电极结构及电化学性能的影响 |
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