摘要
提出利用复合电极测试富氢水中氢气体积分数的方法。试验表明:对于以2个铂丝分别作为工作电极和辅助电极,Ag/AgCl为参比电极的三电极体系,外部通以恒电位,工作电极维持在恒定的电位,可以实现敏感电极曲线。传感器对(0. 1~0. 8)×10-6体积分数的富氢水具有良好的传感性能,电化学传感器电流与氢气体积分数呈正比例线性关系,其响应时间低于5 s。
A method for hydrogen volume fraction test in hydrogen rich water by composite electrodes is proposed.The test shows that for the three-electrode system with two platinum wires as working electrode and auxiliary electrode and Ag/Ag Cl as the reference electrode,with constant external potential.The potential of the working electrode will not change with the potential of the auxiliary electrode,and the sensitive electrode curve can be realized.The sensor has good sensing performance for the hydrogen rich water of volume fraction of(0.1~0.8)×10-6.The electrochemical sensor current has a positive linear relationship with the hydrogen volume fraction,and its response time is less than 5s.
作者
周丽萍
曾小勤
陈丽萍
史婧奕
吕志宝
ZHOU Liping;ZENG Xiaoqin;CHEN Liping;SHI Jingyi;LüZhibao(National Engineering Research Center of Light Alloy Net Forming,State Key Laboratory of Metal Matrix Composite,Shanghai Jiao Tong University,Shanghai200240,China;Department of General Surgery,Shanghai Jiao Tong University,Children’s Hospital of Shanghai,Shanghai200062,China;Department of PediatricIntensive Care Unit,Shanghai Jiao Tong University,Children’s Hospital of Shanghai,Shanghai200062,China)
出处
《传感器与微系统》
CSCD
2019年第8期9-10,14,共3页
Transducer and Microsystem Technologies
基金
上海交通大学科技创新专项多学科交叉项目培育(医工)(YG2015ZD13)
上海市科委资助项目(18DZ2280100)
关键词
富氢水
电化学测试
氢气体积分数
hydrogen rich water
electro-chemical testing
hydrogen volume fraction
