摘要
采用四因素三水平正交设计,研究制备聚苯胺(PANI)/二氧化锰复合电极的最佳工艺,采用扫描电镜和X射线衍射对电极进行表征,采用电化学方法对制备的电极的电化学性能进行研究,并与镁合金组成海水电池进行电池性能测试。结果表明最佳电极制备工艺条件为:m(PANI)∶m(C2H4)=9∶1,稳定剂为电子级电解二氧化锰,成型压力为15 MPa,所得聚苯胺电极的比能量可以达到205.6 Wh/kg。制备的聚苯胺电极微观为颗粒状,有一定的结晶度,二氧化锰与聚苯胺复合得很好,利于电极导电、降低极化和增大反应速度,电池的各项性能远高于氯化银电极。
The optimum preparation condition of the polyaniline(PANI)/manganese dioxide(MnO2)composite cathode was confirmed by orthogonal design.The cathode was characterized by XRD and SEM.The electrochemical properties of PANI cathode were studied by electrochemical methods.The properties of sea-water battery combined by Mg alloy anode and PANI cathode were also investigated.The optimum condition of preparation is as follows:m(PANI)∶m(C2H4)=9∶1,using electronic grade electrolysis MnO2 as stabilizer,and the forming pressure is 15 MPa.The specific energy of PANI cathode is up to 205.6 Wh/kg.The PANI particles is the spherical microstructure and have a higher crystallinity to some extent which is beneficial to improve the conductivity,decrease the polarization and promote the electrode reaction.The properties of sea-water battery are higher than those of AgCl-Mg alloy sea-water battery.
作者
邓姝皓
袁莉君
徐杨明
王亚琴
吴永煌
Shuhao Deng;Lijun Yuan;Yangming Xu;Yaqin Wang;Yonghuang Wu(School of Materials Science and Engineering,Central South University,Changsha 410083,China;The Key Laboratory of Nonferrors Metal of Education ,Central South University,Changsha 410083,China;Wuhan Zhongyuan Changjiang Technology Development CO.LTD,Wuhan 430090,China)
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
2019年第7期141-146,共6页
Polymer Materials Science & Engineering
基金
国防科工局基础科研项目(JCKY2016211C009)
2017中南大学研究生科研创新项目(502211706)
关键词
导电聚苯胺
正极
海水电池
电化学性能
conductive polyaniline
cathode
sea-water battery
electrochemical property
