| 球型Ni(OH)2表面包覆Y(OH)3及其高温充放电性能 |
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| 引用本文： | 米欣,姜长印,阎杰,高学平,万春荣. 球型Ni(OH)2表面包覆Y(OH)3及其高温充放电性能[J]. 无机化学学报, 2004, 20(2): 164-168 |
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| 作者姓名： | 米欣 姜长印 阎杰 高学平 万春荣 |
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| 作者单位： | 1. 南开大学新能源材料化学研究所,天津,300071
2. 清华大学核能研究院,北京,102201 |
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| 基金项目： | 国家自然科学基金重点项目(No.50134020)，国家重点基础研究发展规划项目(No.2002CB211800)资助。 |
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| 摘 要： | 应用共沉淀的方法在球型Ni(OH)2的表面包覆了一层Y(OH)3,并研究了包覆不同含钇量后的球型Ni(OH)2的高温充放电性能。研究结果表明:包覆Y(OH)3的球型Ni(OH)2具有良好的高温充放电性能。其中1C充放电条件下,包覆量为0.3%的Ni(OH)2较好,0.2C充放电条件下,包覆量为1%的Ni(OH)2较好。
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| 关 键 词： | 球型Ni（OH）2 Y(OH)3 包覆 充放电容量 |
| 修稿时间： | 2003-07-25 |
The Preparation and the High-temperature Properties of the Spherical Ni(OH)2 Coated with Y(OH)3 |
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| MI Xin,JIANG Chang-Yin,YAN Jie,GAO Xue-Ping and WAN Chun-Rong. The Preparation and the High-temperature Properties of the Spherical Ni(OH)2 Coated with Y(OH)3[J]. Chinese Journal of Inorganic Chemistry, 2004, 20(2): 164-168 |
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| Authors: | MI Xin JIANG Chang-Yin YAN Jie GAO Xue-Ping WAN Chun-Rong |
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| Affiliation: | Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071,Institute of Nuclear Energy Technology, Tsinghua University, Beijing 100084,Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071,Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071 and Institute of Nuclear Energy Technology, Tsinghua University, Beijing 100084 |
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| Abstract: | Spherical Ni(OH)2 coated with Y(OH)3 was prepared,and the effects of the crystal structures of yttrium compounds to the high-temperature properties of the spherical Ni(OH)2 was studied.The results show that the specific capacities of the spherical Ni(OH)2 coated with Y(OH)3 are higher than that of the regular at high temperatures.At 0.2C charge/ discharge rate the specific capacity of Ni(OH)2 coated with 1% Y(OH)3 is 60% higher than that of the regular. At 1C charge/discharge rate the specific capacity of Ni(OH)2 coated with 1% Y(OH)3 is 10% higher than of the regular. |
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| Keywords: | spherical Ni(OH)_2 Y(OH)_3 coat charge/discharge capacities |
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