Anti-interference fast-response expiration hydrogen sensor

• Main Authors: FANG XIN, ZHENG LICHUN, HAN JIE
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a high-stability and anti-interference hydrogen electrochemical sensor adopting Pt-Ir precious metal alloy particles and a three-dimensional porous graphene compound as a sensor electrode material. The sensor comprises a shell, a gas detection unit and a gas filtering device. The gas detection unit comprises a working electrode, a counter electrode, a reference electrode and electrolyte. The sensor is mainly used for detecting hydrogen concentration in mouth expiration and has high sensitivity, anti-interference performance, relatively short response time and high stability. 本发明提供了种以Pt-Ir贵金属合金纳米颗粒和三维多孔石墨烯复合物为传感电极材料的高稳定性、抗干扰的氢气电化学传感器。该传感器包括壳体、气体检测单元及气体过滤装置。所述气体检测单元包括工作电极、对电极、参比电极及电解液。该传感器主要用于口呼气中氢气浓度的检测，具有高灵敏度、抗干扰、较短的响应时间与高稳定性。