Self-humidifying Pt-C/Pt-TiO₂ dual-catalyst electrode membrane assembly for proton-exchange membrane fuel cells
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yang, Heena | - |
dc.contributor.author | Lee, Wi Hyoung | - |
dc.contributor.author | Choi, Beomseok | - |
dc.contributor.author | Ko, Youngdon | - |
dc.contributor.author | Yi, Sung | - |
dc.contributor.author | Kim, Whajung | - |
dc.date.accessioned | 2022-07-14T17:00:09Z | - |
dc.date.available | 2022-07-14T17:00:09Z | - |
dc.date.created | 2021-05-12 | - |
dc.date.issued | 2017-02 | - |
dc.identifier.issn | 0360-5442 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/152944 | - |
dc.description.abstract | A high-performance Pt-C/Pt-TiO2 dual-catalyst electrode was prepared and found to exhibit excellent water production and retention in self-humidifying proton-exchange membrane fuel cells. Different weight fractions of xPt-C/(1 x)Pt-TiO2 dual-catalyst layer were applied to both anode and cathode with fixed total Pt loadings of 0.2 mg/cm(2) and 0.3 mg/cm(2). The dependence of cell performance on the Pt-TiO2 content in dual-catalyst electrode was highly affected by the relative humidity (RH): When the RH was lower than 60%, the cell performance was significantly affected by the Pt-TiO2 content. The ability to produce and retain water of the Pt-TiO2 catalyst layer on the anode side was very important for the zero-RH cell performance. A visual cell experiment clearly revealed that water production at the anode was highly dependent on the Pt-TiO2 content in the Pt-C/Pt-TiO2 dual layer on the anode side. A half dual layer experiment involving the Pt-TiO2 on the cathode side alone strongly suggested that zero-RH operation is impracticable. The Pt-TiO2 in the dual layer at the anode produces water consuming the H-2 and O-2 crossing the membrane from the cathode, resulting in excellent cell performance under zero RH. The Pt-C/Pt-TiO2 ratio must be optimized in terms of the water-production and retention ability. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | PERGAMON-ELSEVIER SCIENCE LTD | - |
dc.title | Self-humidifying Pt-C/Pt-TiO₂ dual-catalyst electrode membrane assembly for proton-exchange membrane fuel cells | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Yi, Sung | - |
dc.identifier.doi | 10.1016/j.energy.2016.12.054 | - |
dc.identifier.scopusid | 2-s2.0-85007472449 | - |
dc.identifier.wosid | 000395953000002 | - |
dc.identifier.bibliographicCitation | ENERGY, v.120, pp.12 - 19 | - |
dc.relation.isPartOf | ENERGY | - |
dc.citation.title | ENERGY | - |
dc.citation.volume | 120 | - |
dc.citation.startPage | 12 | - |
dc.citation.endPage | 19 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Thermodynamics | - |
dc.relation.journalResearchArea | Energy & Fuels | - |
dc.relation.journalWebOfScienceCategory | Thermodynamics | - |
dc.relation.journalWebOfScienceCategory | Energy & Fuels | - |
dc.subject.keywordPlus | GAS-DIFFUSION LAYER | - |
dc.subject.keywordPlus | COMPOSITE MEMBRANES | - |
dc.subject.keywordPlus | WATER MANAGEMENT | - |
dc.subject.keywordPlus | HUMIDIFICATION | - |
dc.subject.keywordPlus | SUPPRESSION | - |
dc.subject.keywordPlus | CROSSOVER | - |
dc.subject.keywordPlus | CARBON | - |
dc.subject.keywordPlus | AREA | - |
dc.subject.keywordAuthor | Dual-catalyst electrode | - |
dc.subject.keywordAuthor | Anode | - |
dc.subject.keywordAuthor | Water production | - |
dc.subject.keywordAuthor | Retention | - |
dc.subject.keywordAuthor | Zero humidity | - |
dc.subject.keywordAuthor | Visual cell | - |
dc.identifier.url | https://linkinghub.elsevier.com/retrieve/pii/S036054421631859X | - |
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