| 固液界面反应法制备针状草酸钴粉体 |
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| 引用本文： | 何显达,叶红齐,蒯勤,周永华,许开华.固液界面反应法制备针状草酸钴粉体[J].粉末冶金材料科学与工程,2011,16(2):237-242. |
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| 作者姓名： | 何显达 叶红齐 蒯勤 周永华 许开华 |
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| 作者单位： | 何显达,HE Xian-da(中南大学化学化工学院,长沙,410083;深圳市格林美高新技术股份有限公司,深圳,518116);叶红齐,蒯勤,周永华,YE Hong-qi,KUAI Qin,ZHOU Yong-hua(中南大学化学化工学院,长沙,410083);许开华,XU Kai-hua(深圳市格林美高新技术股份有限公司,深圳,518116) |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目，2008年度高等学校博士学科点专项科研基金资助项目 |
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| 摘 要： | 以钴粉和草酸(H2C2O4)为原料,采用固液界面反应法制备针状草酸钴(Co2C2O4·2H2O)粉体.用扫描电镜(SEM)、X射线衍射仪(XRD)和激光粒度仪对粉体进行表征,研究反应温度、钴粉浓度、草酸与钴粉的计量比以及无机酸的种类和用量对草酸钴粉体的形貌和长径比的影响.结果表明,反应温度为30℃时草酸钴粉体多为颗粒状...
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| 关 键 词： | 针状草酸钴 钴粉 固液界面反应法 |
Preparation of needle-like cobalt oxalate powder by solid-liquid interface reaction method |
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| HE Xian-da,YE Hong-qi,KUAI Qin,ZHOU Yong-hua,XU Kai-hua.Preparation of needle-like cobalt oxalate powder by solid-liquid interface reaction method[J].materials science and engineering of powder metallurgy,2011,16(2):237-242. |
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| Authors: | HE Xian-da YE Hong-qi KUAI Qin ZHOU Yong-hua XU Kai-hua |
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| Affiliation: | HE Xian-da1,2,YE Hong-qi1,KUAI Qin1,ZHOU Yong-hua1,XU Kai-hua2 (1.College of Chemistry and Chemical Engineering,Central South University,Changsha 410083,China,2.Shenzhen CEM High-Tech Co.,Ltd.,Shenzhen 518116,China) |
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| Abstract: | Needle-like cobalt oxalate(Co2C2O4-H2O) powder was prepared by solid-liquid interface reaction method using cobalt(Co) powder and oxalic acid(H2C2O4) as reactants.The Co2C2O4-H2O powder was characterized by scanning electron microscopy(SEM),x-ray diffraction(XRD),and laser particle sizer.The effects of the reaction temperature,cobalt powder concentration,oxalic acid excess coefficient,inorganic acid additive type on the morphology and aspect ratio of the cobalt oxalate were investigated.The results show tha... |
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| Keywords: | needle-like cobalt oxalate cobalt powder solid-liquid interface reaction method |
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