| La(OH)3负载锌铝水滑石的制备及其应用在锌镍二次电池中的性能 |
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| 引用本文： | 吴占新,屈亚松,俞小花,谢刚,张文之,崔鹏媛,李永刚.La(OH)3负载锌铝水滑石的制备及其应用在锌镍二次电池中的性能[J].无机化学学报,2021,37(5):778-784. |
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| 作者姓名： | 吴占新 屈亚松 俞小花 谢刚 张文之 崔鹏媛 李永刚 |
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| 作者单位： | 昆明理工大学冶金与能源工程学院, 昆明 650093;昆明理工大学冶金与能源工程学院, 昆明 650093;昆明冶金研究院有限公司, 昆明 650503;共伴生有色金属资源加压湿法冶金技术国家重点实验室, 昆明 650503;云南铜业科技发展股份有限公司, 昆明 650033 |
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| 基金项目： | 国家自然科学基金（No.51774160）、国家重点研发计划（No.2019YFC1907900）、云南省万人计划（No.YNWR-QNBJ-2018-327）、云南省科技人才和平台计划项目（No.2017HA012）和昆明理工大学分析测试基金（No.2020M20192202092）资助。 |
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| 摘 要： | 采用共沉淀法将氢氧化镧(La(OH)3)负载在锌铝水滑石(Zn-Al LDHs)的表面,扫描电镜(SEM)、X射线衍射(XRD)表明La(OH)3成功负载在锌铝水滑石表面,并且负载后的锌铝水滑石仍然为六边形片状晶体,且粒径均匀、分散性好。La(OH)3质量其具有较好的可逆性、更大的正腐蚀电位及较小的电池内阻。5%La(OH)3@Zn-Al LDHs在经过80次循环后,其循环保持率为94.84%。
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| 关 键 词： | 负载 Zn-Al LDHs Zn-Ni二次电池 La(OH)3 |
| 收稿时间： | 2020/7/17 0:00:00 |
| 修稿时间： | 2021/3/16 0:00:00 |
La(OH)3 Loaded Zinc Aluminum Hydrotalcite: Preparation and Performance for Zinc Nickel Secondary Battery |
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| WU Zhan-Xin,QU Ya-Song,YU Xiao-Hu,XIE Gang,ZHANG Wen-Zhi,CUI Peng-Yuan,LI Yong-Gang.La(OH)3 Loaded Zinc Aluminum Hydrotalcite: Preparation and Performance for Zinc Nickel Secondary Battery[J].Chinese Journal of Inorganic Chemistry,2021,37(5):778-784. |
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| Authors: | WU Zhan-Xin QU Ya-Song YU Xiao-Hu XIE Gang ZHANG Wen-Zhi CUI Peng-Yuan LI Yong-Gang |
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| Institution: | Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;Kunming Metallurgical Research Institute Co., Ltd., Kunming 650503, China;State Key Laboratory of Common Associated Non-ferrous Metal Resources Pressure Hydrometallurgy Technology, Kunming 650503, China; Yunnan Copper Technology Development Co., Ltd., Kunming 650033, China |
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| Abstract: | Lanthanum hydroxide (La(OH)3) was loaded on the surface of zinc-aluminum hydrotalcite (Zn-Al LDHs) by co precipitation method. The X-ray diffraction (XRD) patterns and scanning electron microscopy (SEM) images reveal that the La(OH)3 was successfully loaded on the surface of the Zn-Al LDHs, and the loaded Zn-Al LDHs still showed hexagonal plate-like crystals with uniform particle size and good dispersion; 5%La(OH)3@Zn-Al LDHs had the best electrochemical performance. Cyclic voltammetry (CV), Tafel polarization curves and electrochemical impedance spectroscope (EIS) showed that it had better reversibility, larger positive corrosion potential and lower resistance. 5%La(OH)3@Zn-Al LDHs showed the cycle retention of 94.84% after 80 cycles. |
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| Keywords: | load Zn-Al LDHs Zn-Ni secondary battery La(OH)3 |
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