QIN Hao, YANG Yongchao, WANG Yangyang, et al. Preparation and performance analysis of electrochemical H2S gas sensor based on HTCC[J]. 2019, (5): 87-89.
QIN Hao, YANG Yongchao, WANG Yangyang, et al. Preparation and performance analysis of electrochemical H2S gas sensor based on HTCC[J]. 2019, (5): 87-89. DOI: 10.13873/J.1000-9787(2019)05-0087-03.
HTCC电化学H2S传感器制备及其性能分析
摘要
采用高温共烧陶瓷(HTCC)工艺技术
设计并制备了电化学气体传感器
该传感器具有结构简单、尺寸小、重量轻等特点。运用电化学工作站对传感器的响应特性进行分析
结果显示:所测电化学气体传感器对H
2
S气体响应良好
在H
2
S传感器的量程范围(0~100)×10
-6
内
传感器的响应输出值与H
2
S气体体积分数呈现良好的线性关系
线性相关参数0. 997 55
精度优于±1. 5%FS
传感器对气体的响应速度较快
响应时间τ
90
不大于10 s。通过匹配不同离子液体可实现不同种类气体的检测。此外
HTCC工艺成熟
可实现传感器的批量化制备。
Abstract
A new type of electrochemical gas sensor is designed and fabricated by using HTCC technology. The prepared sensor has characteristics such as simple structure
small size
light weight
etc. An electrochemical workstation is used to analyze on response characteristics of sensor. The results show that the gas sensor has good response to H
2
S gas in range of( 0~ 100) × 10
-6
volume fraction
the gas sensor has a good linear relationship with volume fraction of H
2
S in the measurement range of the sensor
linear correlation coefficient 0. 997 55
the measurement precision is prior to ± 1. 5 % FS
electrochemical gas sensor has the cha
racteristics of fast response
the response time τ
90
≤10 s. It can detect different kinds of gases by selecting different ionic liquid. In addition
batch fabrication of sensors can be realized by mature HTCC process.