磷化工副产物磷铁制备锂电池正极材料LiFePO4的研究
收稿日期: 2014-03-14
修回日期: 2014-04-28
网络出版日期: 2014-04-30
Study on Preparing Cathode Material LiFePO4 of Lithium Batteries Using Ferrophosphorus Byproducts from Phosphorus Chemical Engineering
Received date: 2014-03-14
Revised date: 2014-04-28
Online published: 2014-04-30
郭和一 , 闫康平 , 吴鹏程 , 王贵欣 . 磷化工副产物磷铁制备锂电池正极材料LiFePO4的研究[J]. 新能源进展, 2014 , 2(2) : 141 -145 . DOI: 10.3969/j.issn.2095-560X.2014.02.010
In this paper, based on the principles of waste recovery and sustainable development, cathode material LiFePO4 of power lithium batteries was successfully prepared with ferrophosphorus by-products from phosphorus chemical engineering. The effects of the size of ferrophosphorus and carbon content on the performance of the as-synthesized LiFePO4 were investigated. The properties of LiFePO4 prepared with smaller particle size are better. When the carbon content is 6.5wt%, the discharge capacities of the sample prepared with 4000 mesh ferrophosphorus are 153, 143, 130, 115 and 103 mA•h/g at different current rates of 0.1, 0.2, 0.5, 1, 2, and 5 C, respectively, which is comparable to that of the corresponding materials prepared using traditional expensive raw materials and demonstrates good prospects to prepare power material using ferrophosphorus.
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