Relationship between in-situ analysis of surface ion concentration at the photoelectrode and hydrogen production during photoelectrocatalytic reactions

Jincheng Li; Linyang Li; Yang Liu; Quanhua Xie; Yuanyuan He; Xiaoling Peng; Nianbing Zhong

doi:10.1117/12.3025196

8 February 2024 Relationship between in-situ analysis of surface ion concentration at the photoelectrode and hydrogen production during photoelectrocatalytic reactions

Jincheng Li, Linyang Li, Yang Liu, Quanhua Xie, Yuanyuan He, Xiaoling Peng, Nianbing Zhong

Author Affiliations +

Proceedings Volume 13066, International Conference on Optoelectronic Materials and Devices (ICOMD 2023); 130660T (2024) https://doi.org/10.1117/12.3025196
Event: 2023 International Conference on Optoelectronic Materials and Devices (COMD 2023), 2023, Chongqing, China

Abstract

Hydrogen energy is a renewable clean energy source with strong potential, which comes from a wide range of sources and produces no pollutants during the combustion process. Photoelectrocatalytic (PEC) hydrogen production utilizes solar energy as the main energy for photoelectrochemical reaction to produce hydrogen, which is green and environmentally friendly. Most of performance tests of PEC hydrogen production systems still remain on the overall performance test, neglecting the influence of microscopic particles with different positions and different concentrations on the surface of the photocatalytic membrane on the hydrogen production performance. Here, we use surface plasmon resonance tilted fiber Bragg grating (SPR-TFBG) sensors, fiber Bragg grating hydrogen (H-FBG) sensors, and fiber Bragg grating temperature (T-FBG) sensors for real-time in-situ monitoring of surface ion concentrations, hydrogen concentrations, and temperatures at different locations on the surface of the photoelectrode of a PEC hydrogen production system. A positive correlation was found between the ion concentration on the photoelectrode surface and the amount of hydrogen production, which indicates that real-time monitoring of the ion concentration on the surface of the photo-electrode can effectively reflect the performance of hydrogen production at different locations on the surface of the photoelectrode.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jincheng Li, Linyang Li, Yang Liu, Quanhua Xie, Yuanyuan He, Xiaoling Peng, and Nianbing Zhong "Relationship between in-situ analysis of surface ion concentration at the photoelectrode and hydrogen production during photoelectrocatalytic reactions", Proc. SPIE 13066, International Conference on Optoelectronic Materials and Devices (ICOMD 2023), 130660T (8 February 2024); https://doi.org/10.1117/12.3025196

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KEYWORDS

Hydrogen production

Ions

Electrodes

Sensors

Optical surfaces

Hydrogen

Fiber Bragg gratings

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