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Operating Temperature on Cathode Material and Electrochemical Performance of Na-NiCl2Batteries
Ao, Xin1,2; Wu, Wei-Xiang1; Wu, Tian1,2; Wu, Mei-Fen1; Wen, Zhao-Yin1
2017
发表期刊Wuji Cailiao Xuebao/Journal of Inorganic Materials
ISSN1000324X
卷号32期号:12页码:1243-1249
摘要Na-NiCl2battery is an intermediate temperature battery of which the operating temperature is one of the crucial factors for its electrochemical performance and needs to be fully understand. The effects of operating temperature on electrochemical performance of Na-NiCl2batteries and morphology of the cathode material under different temperatures were studied based on the results of cell test, EIS and SEM measurements. It was found that the reduction of the operating temperature of the Na-NiCl2battery within a certain range suppressed the growth of nickel particles during cycling and improved the cycle performance of the cell with and without sulfur in the cathode. The surface activity of the nickel particles decreased with reduction of the operating temperature, while the growth rate of nickel particles slow down at low temperature, resulting in improved cell cycle performance of the cell improves. However, much lower operating temperature leads to poor electrochemical performance due to slow electrochemical reaction rate, migration rate of Na+and poor wettability of sodium on ceramic electrolyte. Based on above tests, the optimum operating temperatures of the cell no matter with or without sulfur are about 260. © 2017, Science Press. All right reserved.
DOI10.15541/jim20170171
EI入藏号20182005193730
EI主题词Nickel compounds
EI分类号641.1 Thermodynamics - 702.1.2 Secondary Batteries - 802.2 Chemical Reactions - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25632
专题中国科学院上海硅酸盐研究所
作者单位1.CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
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GB/T 7714
Ao, Xin,Wu, Wei-Xiang,Wu, Tian,et al. Operating Temperature on Cathode Material and Electrochemical Performance of Na-NiCl2Batteries[J]. Wuji Cailiao Xuebao/Journal of Inorganic Materials,2017,32(12):1243-1249.
APA Ao, Xin,Wu, Wei-Xiang,Wu, Tian,Wu, Mei-Fen,&Wen, Zhao-Yin.(2017).Operating Temperature on Cathode Material and Electrochemical Performance of Na-NiCl2Batteries.Wuji Cailiao Xuebao/Journal of Inorganic Materials,32(12),1243-1249.
MLA Ao, Xin,et al."Operating Temperature on Cathode Material and Electrochemical Performance of Na-NiCl2Batteries".Wuji Cailiao Xuebao/Journal of Inorganic Materials 32.12(2017):1243-1249.
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