基于Ni@Pt燃料电池型甲醛电化学传感器的研究  

Study on Ni@Pt-based fuel cell-type electrochemical sensor for formaldehyde

作　　者：陈子豪 廖志远 吴雨驰 孙良良 许沧粟[2] 张嘉俊 刘忠贵 熊海龙 CHEN Zihao;LIAO Zhiyuan;WU Yuchi;SUN Liangliang;XU Cangsu;ZHANG Jiajun;LIU Zhonggui;XIONG Hailong(School of Materials Science and Engineering,Jingdezhen Ceramic University,Jingdezhen 333000,China;College of Energy Engineering,State key laboratory of Clean Energy Utilization Zhejiang University,Hangzhou 310027,China)

机构地区：[1]景德镇陶瓷大学材料科学与工程学院,江西景德镇333000 [2]浙江大学清洁能源利用国家重点实验室能源工程学院,浙江杭州310027

出　　处：《有色金属材料与工程》2024年第1期26-33,共8页Nonferrous Metal Materials and Engineering

基　　金：江西省厅级项目(20192 bbel50020 bbhl8001420192);景德镇市科技局资助项目(20182Gyed011-15);大学生创新性承担项目(202010408003202104801 X 3;S202010408002X;S202210408052X)。

摘　　要：通过热裂解和氢还原制备了Ni纳米颗粒,并在酸性溶液中通过液相置换合成了核壳Ni@Pt-800。采用喷涂法将催化剂作为阴极涂层附着在质子交换膜上,阳极涂层为商业Pt/C。采用透射电子显微镜、X射线光电子能谱仪、X射线衍射仪对催化剂结构进行表征。结果表明,Ni@Pt-800对甲醛的响应分别是Ni@Pt和其他干扰气体的4.95倍和25倍。在0~135×10^(-6)范围内,甲醛的氧化峰电流与浓度有着良好的线性关系,其线性回归方程为:△i=0.00103×10^(-6)-0.00661,相关系数为0.98。Ni nanoparticles were prepared by thermal cracking and hydrogen reduction,and coreshell Ni@Pt-800 was synthesized by liquid-phase substitution in acidic solution.The catalysts were attached as cathodic coatings onto a proton exchange membrane using the spray method,and the anodic coatings were commercial Pt/C.The catalysts were characterized by transmission electron microscope,X-ray photoelectron spectrometer,and X-ray diffractometer.The results suggest that the response of Ni@Pt-800 to formaldehyde is 4.95 times of Ni@Pt and 25 times of the other interfering gases.In the range of 0-135×10^(-6),there is a good linear relationship between the oxidation peak current and concentration of formaldehyde,and the linear regression equation is:△i=0.00103×10^(-6)-0.00661,with a correlation coefficient of 0.98.

关 键 词：甲醛 质子交换膜 电化学传感器 

分 类 号：O657[理学—分析化学] TG115[理学—化学]