全固态一氧化碳电化学传感器响应研究  

Response of an electrochemical carbon monoxide sensor based on a solid polymer electrolyte

作　　者：孙鲲鹏[1] 杨明[1] 白守礼[1] 陈霭璠[1] 罗瑞贤[1] 

机构地区：[1]北京化工大学理学院,北京100029

出　　处：《北京化工大学学报（自然科学版）》2002年第4期59-61,71,共4页Journal of Beijing University of Chemical Technology(Natural Science Edition)

摘　　要：采用化学还原方法制备了Pd Nafion复合膜电极作为催化传感电极 ,研制了室温全固态电解质型一氧化碳传感器 ,考察了复合膜电极对一氧化碳 /氮气体系产生电流响应的适宜电位 ,响应时间常数以及响应电流与一氧化碳体积分数的关系 。A novel carbon monoxide sensor, based on a solid polymer electrolyte, which could be workable at room temperature was prepared. The sensing electrode was a Pd/Nafion membrane electrode prepared by a chemical deposition method. The suitable electricity between the two electrodes for the electrolysis of carbon monoxide in N 2 and the time constant were examined by a potentiostat. The relations between the sensor response current and the volume fraction of carbon monoxide in N 2 were discussed and the effect of the environmental temperature on the response current was also presented.

关 键 词：全固态一氧化碳电化学传感器 定电位解分析 Pd-Nafion复合膜电极 响应时间常数 响应输出电流 

分 类 号：O657.1[理学—分析化学] TP212.2[理学—化学]