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Toward Large‐Scale Hydrogen Production from Water: What Have We Learned and What Are the Main Research Hurdles to Cross for Commercialization?
Energy Technology ( IF 3.8 ) Pub Date : 2020-12-12 , DOI: 10.1002/ente.202000843
Hicham Idriss 1, 2
Affiliation  

The focus of this study is evaluating the status of the most promising methods for water splitting to H2 and O2 with their implementation in mind. These are thermochemical water splitting, photocatalytic (PC) and photo‐electrocatalytic (PEC) water splitting, and water electrolysis. In addition to evaluating their coherence, potential, and cost, some misconceptions in the PC H2 production from water over suspended powder catalysts are highlighted. A few needed research directions at the fundamental level together with the main hurdles to cross for large‐scale production are presented and in some cases discussed. Although an increasing level of activity has taken place in the last few years for large‐scale hydrogen production from water, this is still marginal (at the megawatt scale). A considerable investment in different technologies is needed for a noticeable impact on the environment to occur with an objective to decrease the world dependence on fossil fuels (the terrawatt scale).

中文翻译:

迈向由水大规模生产氢:我们学到了什么,要实现商业化需要克服的主要研究障碍是什么?

这项研究的重点是评估将水分解为H 2和O 2的最有前途的方法的现状。这些是热化学水分解,光催化(PC)和光电催化(PEC)水分解以及水电解。除了评估其连贯性,潜力和成本外,PC H 2还存在一些误解重点介绍了水在悬浮粉末催化剂上的生产。介绍了一些基本的需要研究的方向,以及为大规模生产需要克服的主要障碍,并在某些情况下进行了讨论。尽管在过去几年中,从水中大规模生产氢的活动有所增加,但这仍然是微不足道的(兆瓦级)。为了降低对世界对化石燃料的依赖(瓦特规模),需要对不同技术进行大量投资,以对环境产生显着影响。
更新日期:2021-02-05
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