| 掺杂氢氧化镍晶相及其结构稳定性与碳酸钠用量的关系研究 |
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| 引用本文： | 赵腾起,朱燕娟,李文华,简修文,罗洁,张伟,张春华.掺杂氢氧化镍晶相及其结构稳定性与碳酸钠用量的关系研究[J].广东工业大学学报,2016,33(4):56-61. |
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| 作者姓名： | 赵腾起 朱燕娟 李文华 简修文 罗洁 张伟 张春华 |
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| 作者单位： | 广东工业大学 物理与光电工程学院，广东 广州 510006 |
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| 基金项目： | 国家自然科学基金资助项目(11304045)；广东省自然科学基金资助项目(S2012010009955)；广州市科技计划资助项目(201607010001)；广东工业大学青年基金重点资助项目（15zk0048） |
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| 摘 要： | 分别用Al-Co、Al-Yb、Yb-Co、Al-Yb-Co复合掺杂，通过调控碳酸钠用量,采用超声波辅助共沉淀法制备了多掺杂α-Ni(OH)2，研究了碳酸钠用量对氢氧化镍的晶相及其结构稳定性的影响.结果表明：碳酸钠对不同掺杂体系的晶相结构影响程度不同；相同掺杂元素下，碳酸钠用量较少时，容易形成α和β相混合结构的氢氧化镍，随着碳酸钠用量的增加，其混合相向纯α相转变，且结构稳定性提高；对Al-Yb-Co掺杂体系，当碳酸钠用量为2.0 g时，其样品在碱液中浸泡30 d后仍为α-Ni(OH)2结构，碳酸钠少于2.0 g的样品在碱液中有不同程度的变相，说明碳酸钠用量对维系α-Ni(OH)2的结构稳定性有很好的作用.
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| 关 键 词： | 碳酸钠 氢氧化镍晶相 结构稳定性 复合掺杂 |
| 收稿时间： | 2015-12-30 |
Study on the Relationship between the Crystalline Phose,Strucrture Stability of Droped Nickel Hydroxide and Na2CO3 |
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| ZHAO Teng-Qi,ZHU Yan-Juan,LI Wen-Hua,JIAN Xiu-Wen,LUO Jie,ZHANG Wei,ZHANG Chun-Hua.Study on the Relationship between the Crystalline Phose,Strucrture Stability of Droped Nickel Hydroxide and Na2CO3[J].Journal of Guangdong University of Technology,2016,33(4):56-61. |
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| Authors: | ZHAO Teng-Qi ZHU Yan-Juan LI Wen-Hua JIAN Xiu-Wen LUO Jie ZHANG Wei ZHANG Chun-Hua |
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| Affiliation: | School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China |
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| Abstract: | The Al-Co, Al-Yb, Yb-Co and Al-Yb-Co multiple doping are respectively used. By controlling the amount of sodium carbonate, the α-Ni(OH)2 is prepared by ultrasonic-assisted precipitation. And the influence of sodium carbonate on the crystalline phase and structure stability for alpha nickel hydroxide is studied. The results demonstrate that with the amount increasing, the bi-phase nickel hydroxide gradually transforms to pure alpha nickel hydroxideand, the structural stability is also improved. For Al-Yb-Co-Ni(OH)2, when the amount of sodium carbonate is 2.0 g, the sample still keeps α-Ni(OH)2 30 d after being aged. And when the amount is less than 2.0 g, the phase transformation exists in the samples with different extent. These results demonstrate that the amount of sodium carbonate is a critical factor in maintaining the structural stability of α-Ni(OH)2. |
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| Keywords: | sodium carbonate nickel hydroxide crystalline structural stability multiple doping |
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