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  A Metal-Free Electrode: From Biomass-Derived Carbon to Hydrogen

Ding, Y., Greiner, M., Schlögl, R., & Heumann, S. (2020). A Metal-Free Electrode: From Biomass-Derived Carbon to Hydrogen. ChemSusChem, 13(16), 4064-4068. doi:10.1002/cssc.202000714.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-8570-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-8571-3
Genre: Journal Article

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 Creators:
Ding, Yuxiao1, Author              
Greiner, Mark2, Author              
Schlögl, Robert2, Author              
Heumann, Saskia2, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Research Department Schlögl, Max Planck Institute for Chemical Energy Conversion, Max Planck Society, ou_3023874              

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 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 CO2 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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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: ISI: 000539102400001
DOI: 10.1002/cssc.202000714
 Degree: -

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Title: ChemSusChem
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 13 (16) Sequence Number: - Start / End Page: 4064 - 4068 Identifier: ISSN: 1864-5631
CoNE: https://pure.mpg.de/cone/journals/resource/1864-5631