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Closed-loop photo- and electrocatalysis using floatable hierarchical hydrogel device for efficient waste-derived fuel production

DC Field Value Language
dc.contributor.authorLee, Wang Hee-
dc.contributor.authorLee, Seongbeom-
dc.contributor.authorPark, Hyunseo-
dc.contributor.authorKim, Haeseong-
dc.contributor.authorJeong, Jae Hwan-
dc.contributor.authorLee, Chan Woo-
dc.contributor.authorHeo, Junhyeok-
dc.contributor.authorLee, Young-Hoon-
dc.contributor.authorShin, Yoojin-
dc.contributor.authorAhn, Kyung Hyun-
dc.contributor.authorBootharaju, Megalamane S.-
dc.contributor.authorLee, Byoung-Hoon-
dc.contributor.authorRyu, Jaeyune-
dc.contributor.authorHyeon, Taeghwan-
dc.contributor.authorSung, Yung-Eun-
dc.contributor.authorKim, Dae-Hyeong-
dc.date.accessioned2024-12-11T06:04:31Z-
dc.date.available2024-12-11T06:04:31Z-
dc.date.created2024-12-10-
dc.date.created2024-12-10-
dc.date.created2024-12-10-
dc.date.issued2024-12-
dc.identifier.citationDevice, Vol.2 No.12, p. 100515-
dc.identifier.issn2666-9986-
dc.identifier.urihttps://hdl.handle.net/10371/213570-
dc.description.abstractContinuous and sustainable fuel production is essential for transitioning to a green-energy society. Solar-fuel production via photocatalysis is renewable but limited by vulnerability to weather dependence and suboptimal efficiency, necessitating an innovative solution. We present a feedback-controlled closed-loop system integrating photo- and electrocatalysis within a compact, floatable device. This system compensates for solar-fuel production shortfalls with electrochemical methods, optimizing catalyst pairings for high activity, selectivity, and durability. The unique floatability maximizes solar-to-fuel conversion efficiency with gas-liquid interface-operating photocatalysts and fully utilized submerged electrocatalysts. This dual-mode elastomer-hydrogel device achieves a plastic-waste-reforming activity of 269 mmol-H2/h⋅m2 using concentrated sunlight and also demonstrates nearly 100% Faradaic efficiency and selectivity in formate production. Scaling up to 1 m2 yields 23.7 mmol/h and 3.05 L/day hydrogen from polyethylene terephthalate (PET) bottles under natural sunlight, maintaining stable production over a month. This closed-loop system shows a promise for steady and economically viable fuel production.-
dc.language영어-
dc.publisherCell Press-
dc.titleClosed-loop photo- and electrocatalysis using floatable hierarchical hydrogel device for efficient waste-derived fuel production-
dc.typeArticle-
dc.identifier.doi10.1016/j.device.2024.100515-
dc.citation.journaltitleDevice-
dc.identifier.wosid001392819600001-
dc.identifier.scopusid2-s2.0-85207793223-
dc.citation.number12-
dc.citation.startpage100515-
dc.citation.volume2-
dc.description.isOpenAccessN-
dc.contributor.affiliatedAuthorAhn, Kyung Hyun-
dc.contributor.affiliatedAuthorRyu, Jaeyune-
dc.contributor.affiliatedAuthorHyeon, Taeghwan-
dc.contributor.affiliatedAuthorSung, Yung-Eun-
dc.contributor.affiliatedAuthorKim, Dae-Hyeong-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.subject.keywordAuthorDTI-3: Develop-
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  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area Catalysis, Nano Materials, Physical E-Chem, 무기화학, 물리전기화학

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