通过 PEM 水电解法生产绿色氢气

IF 2 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Pure and Applied Chemistry Pub Date : 2024-04-30 DOI:10.1515/pac-2023-1022
Shawn Gouws, Jason Mackay
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引用次数: 0

摘要

由于人口的持续增长和工业的不断扩张,现代社会对充足、可持续和清洁能源的需求正变得越来越重要。氢气(H2)因其较高的重力能量密度而被认为是一种潜在的能源载体。由于 H2 不常以分子形式存在,因此必须通过各种方法获取,如蒸汽甲烷转化、煤气化、化石燃料和电化学技术。事实证明,与其他电解槽相比,通过 PEMWE 生产 H2 是一种高效的方法。PEM 电解槽系统的限制因素是 OER 催化剂。商业上使用的催化剂有 IrO2 和 RuO2,但这两种金属既稀有又昂贵。目前的研究报告称,可使用二元金属氧化物作为 OER 催化剂的替代品,以降低总体 CAPEX 成本。合成方法多种多样,其中亚当斯熔融法最为简单。用于评估这些催化剂性能的表征技术包括循环伏安法 (CV)、线性扫描伏安法 (LSV)、XRD、XRF、SEM/EDS 和时变电位计。氢作为一种清洁燃料,在交通、住宅和工业等各个领域都具有广泛的应用潜力。近年来,人们对氢的生产、储存和运输等各个方面进行了广泛的研究。本综述论文旨在研究其他双金属,以减少作为氧化进化反应的 Ir 含量,从而降低 PEM 电解槽的投资成本。生产绿色氢气,减少若干工业流程中的碳足迹。
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Production of green hydrogen through PEM water electrolysis
The need for abundant, sustainable, and clean energy is becoming increasingly important in the modern world due to continuous population growth and industrial expansion. Hydrogen (H2) has been identified as a potential energy carrier due to its high gravimetric energy density. Because H2 is not frequently found in its molecular form, it has to be obtained through various methods such as steam methane reforming, coal gasification, fossil fuels, and electrochemical techniques. H2 produced via PEMWE has proved to be an efficient method compared to other electrolysers. The limiting factor of a PEM electrolyser system is the OER catalyst. Commercially, IrO2 and RuO2 are used; however, both these metals are rare and expensive. Current research reports the use of binary metal oxides as an alternative OER catalyst to decrease the overall CAPEX costs. Various synthesis methods are available, with the Adams’ fusion method being the simplest. Characterisation techniques used to evaluate the performance of these catalysts include cyclic voltammetry (CV), linear scan voltammetry (LSV), XRD, XRF, SEM/EDS, and chronopotentiometry. Hydrogen as a clean fuel has a broad potential for use across all sectors, including transportation, residential, and industrial. In recent years, extensive research has been done on all aspects of hydrogen production, storage, and transportation. This review paper aims to study other bimetallic metals to reduce the Ir content used as an oxidative evolution reaction to reduce the capital cost of the PEM electrolyser. To produce green hydrogen that could reduce the carbon footprint in several industrial processes.
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来源期刊
Pure and Applied Chemistry
Pure and Applied Chemistry 化学-化学综合
CiteScore
4.00
自引率
0.00%
发文量
60
审稿时长
3-8 weeks
期刊介绍: Pure and Applied Chemistry is the official monthly Journal of IUPAC, with responsibility for publishing works arising from those international scientific events and projects that are sponsored and undertaken by the Union. The policy is to publish highly topical and credible works at the forefront of all aspects of pure and applied chemistry, and the attendant goal is to promote widespread acceptance of the Journal as an authoritative and indispensable holding in academic and institutional libraries.
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