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Hydrogen sensor and application thereof

A sensor, hydrogen technology, applied in the field of hydrogen sensors, to achieve good application prospects, good anti-vibration performance, fast response and recovery effects

Active Publication Date: 2021-06-25
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sensor for the detection of H2 on hydrogen fuel cell ships has not been reported yet.

Method used

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  • Hydrogen sensor and application thereof
  • Hydrogen sensor and application thereof
  • Hydrogen sensor and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Such as figure 1As shown, a hydrogen sensor, the sensor is a three-electrode system, the sensor includes a housing 1, an upper cover 2, a working electrode 3, a counter electrode 4, a reference electrode 5, a working electrode pin 6, a counter electrode lead Pin 7, reference electrode pin 8, dust-proof and breathable film 9, anti-vibration layer 10, liquid-absorbing material layer 11, the working electrode 3, counter electrode 4, and reference electrode 5 are all made of PTFE film 12 (polytetrafluoroethylene) Vinyl film) and platinum black 13 coated on one side; the upper cover 2 and the shell 1 are fastened to form an internal cavity structure; the top of the upper cover 2 is provided with a diffusion hole 14, and the dust-proof and breathable membrane 9 is arranged on the upper cover 2 The top covers the diffusion hole 14; the working electrode pins 6, the counter electrode pins 7 and the reference electrode pins 8 are arranged at the bottom of the shell 1 at interval...

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PUM

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Abstract

The invention belongs to the technical field of hydrogen concentration detection and monitoring, and discloses a hydrogen sensor and application thereof. According to the sensor, room-temperature ionic liquid N,N,N-trimethyl-N-sulfobutyl ammonium hydrogen sulfate is used as an electrolyte, and platinum black is used as a catalyst. The response current of the sensor and the concentration of H2 are in a linear relation, and the sensor not only has high sensitivity, good selectivity and fast response recovery, but also has stable performance in a high-humidity environment. The sensor provided by the invention overcomes the problem that an electrochemical gas sensor cannot be applied to high humidity, and has a good potential application prospect on high-temperature and high-humidity ships. Moreover, the sensor does not need an inner support and a liquid storage tank, the structure is more simplified, the size is smaller, an anti-vibration layer is additionally arranged, and the sensor has better firm anti-vibration performance.

Description

technical field [0001] The invention belongs to the technical field of hydrogen concentration detection and monitoring, and in particular relates to a hydrogen sensor and its application. Background technique [0002] International shipping transport accounts for more than 80% of global trade. Economical but polluting diesel engines and cheap heavy-duty fuels have become the default choice for offshore power generation due to cost-of-ownership advantages. Despite technological advances, shipping remains a global contributor to greenhouse gases (GHGs), volatile organic compounds (VOCs), particulate matter (PM), hazardous air pollutants (NO X and SO X ) significant contributor to emissions. Shipping activities are estimated to contribute to global carbon dioxide (CO2 2 ) of 3-5% of emissions, accounting for global SO X more than 5% of emissions. In April 2018, the International Maritime Organization (IMO) adopted mandatory technical and operational energy efficiency meas...

Claims

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Application Information

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IPC IPC(8): G01N27/404
CPCG01N27/4045Y02E60/50
Inventor 詹志鹏卢骏风龚雨饶周瑞平
Owner WUHAN UNIV OF TECH
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