[1]苏勇杰,张 勇*,陈 喆,等.圆片状超细二水磷酸铁的制备与表征[J].武汉工程大学学报,2018,40(01):66-70.[doi:10. 3969/j. issn. 16742869. 2018. 01. 012]
SU Yongjie,ZHANG Yong*,CHEN Zhe,et al.Preparation and Characterization of Ultrafine Disc Shaped Ferric Phosphate Dihydrate[J].Journal of Wuhan Institute of Technology,2018,40(01):66-70.[doi:10. 3969/j. issn. 16742869. 2018. 01. 012]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]
- 卷:
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40
- 期数:
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2018年01期
- 页码:
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66-70
- 栏目:
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材料科学与工程
- 出版日期:
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2018-02-25
文章信息/Info
- Title:
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Preparation and Characterization of Ultrafine Disc Shaped Ferric Phosphate Dihydrate
- 文章编号:
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20180112
- 作者:
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苏勇杰1; 张 勇*1; 陈 喆1; 海吉忠2; 杨小波2; 刘海平2
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1. 武汉工程大学材料科学与工程学院,湖北 武汉 430205;2. 青海盐湖工业股份有限公司,青海盐湖资源综合利用重点实验室,青海 格尔木 816000
- Author(s):
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SU Yongjie1; ZHANG Yong*1; CHEN Zhe1; HAI Jizhong2; YANG Xiaobo2; LIU Haiping2
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1. School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205, China;2. Key Laboratory of Salt Lake Resources Integrated Utilization of Qinghai,Qinghai Salt Lake Industry Co.,LTD,Golmud 816000, China
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- 关键词:
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二水磷酸铁; 超细; 还原铁粉; 氧化
- Keywords:
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ferric phosphate dihydrate; ultrafine; reduced iron powder; oxidation
- 分类号:
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TQ126.3+5
- DOI:
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10. 3969/j. issn. 16742869. 2018. 01. 012
- 文献标志码:
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A
- 摘要:
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以还原铁粉和磷酸为原料,通过过氧化氢的辅助氧化制备了二水磷酸铁,并利用扫描电子显微镜、粒度分析仪、X衍射分析仪、红外光谱和热重分析仪,对其形貌、晶体结构与化学组成进行表征。实验结果表明溶铁效果最佳的条件为反应温度60 ℃~65 ℃,磷铁摩尔比为2.1∶1。在60 ℃条件下向磷酸二氢亚铁溶液中加入过氧化氢并在60 ℃条件下陈化2 h,获得产率可达97.3%的略带粉色的二水磷酸铁。结果表明所得的二水磷酸铁材料可用于正极材料磷酸铁锂的生产。
- Abstract:
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The ferric phosphate dihydrate were prepared by the hydrogen peroxide-assisted oxidation with reduced iron powder and phosphoric acid as precursors. The morphology,crystal structure and chemical component of the products were characterized by scanning electron microscopy,particle size analyzer,X-ray diffractometer,Fourier transform infrared spectroscopy and thermal gravimetric analyzer. The results showed that when the reaction temperatures ranged from 60 ℃ to 65 ℃ and the mole ratio of phosphorus to iron was 2.1∶1,the dissolution of iron achieved the best. The yield of ferric phosphate dihydrate reached 97.3% when hydrogen peroxide was added into the ferrous dihydrogen phosphate solution at 60 ℃ and aging for 2 hours. The characterization results show that the quality of the obtained ferric phosphate dihydrate can satisfy the demand of the production of cathode material of lithium iron phosphate.
参考文献/References:
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备注/Memo
- 备注/Memo:
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基金项目:青海盐湖资源综合利用重点实验室开放基金课题(Q-SYS-201516-KF-04;Q-SYS-201516-KF-05)作者简介:苏勇杰,硕士研究生。E-mail:[email protected]*通讯作者:张 勇,博士,教授。 E-mail:[email protected]引文格式:苏勇杰,张勇,陈喆,等. 圆片状超细二水磷酸铁的制备与表征 [J]. 武汉工程大学学报,2018,40(1):66-70.
更新日期/Last Update:
2018-02-01