【作者】 王江； 崔旭梅；

【Author】 WANG Jiang~1,CUI Xu-mei~2 (1.Panzhihua Iron & Steel Group Design Institute Co.,Ltd,Panzhihua 617023,China; 2.Engineering Technology Research Center of Vanadium-Titanium Materials of Sichuan Province, Panzhihua University,Panzhihua 617000,China)

【机构】 攀钢集团设计研究院有限公司； 攀枝花学院四川省钒钛材料工程技术研究中心；

【摘要】 以聚乙烯为基体,以石墨、活性炭和碳纤维为导电剂制备了钒电池导电塑料双极板。研究结果表明,碳纤维极大地改善了双极板的导电性能、力学性能和耐腐蚀性。碳纤维含量控制在1%以内,双极板的体积电阻率<0.1Ω·cm,和未加碳纤维的双极板相比,添加碳纤维后双极板的最大抗拉强度提高30%以上,应变量为0.2%时的拉伸应力增幅达到51%。双极板成功应用于单体钒电池,电池的能量效率达到82.2%,能够满足钒电池的应用要求。更多还原

【Abstract】 Conductive plastic bipolar plate of vanadium battery was prepared with polyethylene as the matrix, and graphite,activated carbon and carbon fiber as conductive agent.The results show that carbon fiber has greatly improved the conductivity performance,mechanical properties and corrosion resistance of bipolar plate. The volume resistivity of bipolar plates is less than 0.1Ω·cm with carbon fiber content within 1%.The bipolar plate with carbon fiber has 30%increase in the maximum tensile strength comparing with the bipolar plate with no carbon fiber,and tensile stress increased by 51%with 0.2%strain.The bipolar plate can meet the applications of vanadium battery with energy efficiency of 82.2%.更多还原