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作 者:肖容慧 乔永民[2] 吴敏昌[2] 燕溪溪 张素娜[1] 王利军[1,3,4,5] XIAO Ronghui;QIAO Yongmin;WU Minchang;YAN Xixi;ZHANG Suna;WANG Lijun(School of Energy and Materials,Shanghai Polytechnic University,Shanghai 201209,China;Shanghai Shanshan Technology Co.,Ltd.,Shanghai 201209,China;Ningbo Jucai New Material Technology Co.,Ltd.,Ningbo 315175,Zhejiang,China;Nantong Fumi New Material Technology Co.,Ltd.,Nantong 226200,Jiangsu,China;State Key Laboratory of Molecular Engineering of Polymers,Fudan University,Shanghai 200433,China)
机构地区:[1]上海第二工业大学能源与材料学院,上海201209 [2]上海杉杉科技有限公司,上海201209 [3]宁波聚才新材料科技有限公司,宁波315175 [4]南通复米新材料科技有限公司,南通226200 [5]复旦大学聚合物分子工程国家重点实验室,上海200433
出 处:《上海第二工业大学学报》2022年第1期65-70,共6页Journal of Shanghai Polytechnic University
基 金:宁波市3315资本引才计划(2020C-04-T)资助。
摘 要:以磷化渣和磷酸为原材料,聚乙二醇作为改性剂,十二烷基硫酸钠作为表面活性剂,采用传统的水热法将材料混合均匀进行高温水热反应,以制得高纯度的纳米二水磷酸铁。同时采用X射线粉末衍射(XRD)、扫描电子显微镜(SEM)、红外光谱等仪器对制备的二水磷酸铁进行形貌、尺寸的表征分析。结果表明,所制备的磷酸铁为片状结构,粒径宽度约400 nm,厚度约30 nm。纳米片状二水磷酸铁制备工艺简单,性能优异,作为合成复合电池正极材料磷酸亚铁锂具有良好的电化学性能。To obtain high purity nanometer iron phosphate, the materials were mixed uniformly by traditional hydrothermal method and subjected to high-temperature hydrothermal reaction by using phosphating slag and phosphoric acid as raw materials, polyethylene glycol as modifier and sodium lauryl sulfate as surfactant. X-ray powder diffraction(XRD), scanning electron microscope(SEM), infrared spectroscopy and other instruments were used to characterize and analyze the morphology and size of the prepared iron phosphate dihydrate. The result shows that the prepared iron phosphate with a sheet-like structure has a particle size of about 400 nm in width and a thickness of about 30 nm. Nano-sheet iron phosphate dihydrate has a simple preparation process and excellent performance. As a composite battery cathode material, lithium iron phosphate has good electrochemical performance.
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