制氢
电解水
可再生能源
氢
电解
氢经济
碳纤维
分解水
生物量(生态学)
工艺工程
电力转天然气
材料科学
化石燃料
可逆氢电极
氢燃料
环境科学
废物管理
电极
催化作用
化学
工作电极
电化学
电解质
工程类
物理化学
海洋学
复合数
复合材料
光催化
有机化学
电气工程
地质学
生物化学
作者
Yuxiao Ding,Mark Greiner,Robert Schlögl,Saskia Heumann
出处
期刊:Chemsuschem
[Wiley]
日期:2020-06-10
卷期号:13 (16): 4064-4068
被引量:19
标识
DOI:10.1002/cssc.202000714
摘要
Abstract Hydrogen is the emission‐free fuel of the future if produced from non‐fossil sources. Biomass gasification or electrolysis of water are possible clean routes. For a global application, the material solution for the electrodes must be sustainable, scalable, and relatively inexpensive compared to the current precious metal‐based electrodes. A key requirement to sustainable and green energy systems is that all harmful or rare resources utilized in the process must be part of a closed material cycle. Here, a carbon‐based electrode for hydrogen production is presented that can be part of a closed material cycle if produced from biomass. Continuous hydrogen production takes place at the cathode through catalytic water splitting during the oxygen evolution reaction (OER), while intentionally allowing the decomposition of the electrode into CO 2 analogous to the process of natural biomass decomposition. This strategy of a sacrificial electrode could provide a scalable and low‐cost material solution for hydrogen production from renewable energy sources. The theoretical and technical feasibility of using carbon to produce hydrogen is demonstrated, and it is shown that chemical modification can further improve the performance characteristics towards the catalytic process. Combined with renewable energy derived electricity, this idea offers a real option for future energy systems.
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