File:Solar-Driven Water Splitting at 13.8% Solar-to-Hydrogen Efficiency by an Earth-Abundant Electrolyzer.pdf
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Solar-Driven Water Splitting at 13.8% Solar-to-Hydrogen Efficiency by an Earth-Abundant Electrolyzer
Summary[edit]
| Description |
English: We present the synthesis and characterization of an efficient and low cost solar-driven electrolyzer consisting of Earth-abundant materials. The trimetallic NiFeMo electrocatalyst takes the shape of nanometer-sized flakes anchored to a fully carbon-based current collector comprising a nitrogen-doped carbon nanotube network, which in turn is grown on a carbon fiber paper support. This catalyst electrode contains solely Earth-abundant materials, and the carbon fiber support renders it effective despite a low metal content. Notably, a bifunctional catalyst–electrode pair exhibits a low total overpotential of 450 mV to drive a full water-splitting reaction at a current density of 10 mA cm–2 and a measured hydrogen Faradaic efficiency of ∼100%. We combine the catalyst–electrode pair with solution-processed perovskite solar cells to form a lightweight solar-driven water-splitting device with a high peak solar-to-fuel conversion efficiency of 13.8%. |
| Date | |
| Source | https://pubs.acs.org/doi/10.1021/acssuschemeng.1c03565 |
| Author | Joakim Ekspong, Christian Larsen, Jonas Stenberg, Wai Ling Kwong, Jia Wang, Jinbao Zhang, Erik M. J. Johansson, Johannes Messinger, Ludvig Edman, and Thomas Wågberg |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 06:33, 20 November 2021 |  | 1,302 × 1,704, 9 pages (3.82 MB) | Koavf (talk | contribs) | Uploaded a work by Joakim Ekspong, Christian Larsen, Jonas Stenberg, Wai Ling Kwong, Jia Wang, Jinbao Zhang, Erik M. J. Johansson, Johannes Messinger, Ludvig Edman, and Thomas Wågberg from https://pubs.acs.org/doi/10.1021/acssuschemeng.1c03565 with UploadWizard |
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