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Carbon anode in dir...
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Chen, Mingming
(författare)
Carbon anode in direct carbon fuel cell
- Artikel/kapitelEngelska2010
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Elsevier BV,2010
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LIBRIS-ID:oai:DiVA.org:kth-29902
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-29902URI
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https://doi.org/10.1016/j.ijhydene.2009.04.051DOI
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Språk:engelska
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Sammanfattning på:engelska
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QC 20110218 3rd International Hydrogen Forum, Tsinghua Univ, Changsha, PEOPLES R CHINA, AUG 03-06, 2008
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Direct carbon fuel cell (DCFC) is a kind of high temperature fuel cell using carbon materials directly as anode. Electrochemical reactivity and surface property of carbon were taken into account in this paper. Four representative carbon samples were selected. The most suitable ratio of the ternary eutectic mixture Li2CO3-K2CO3-Al2O3 was determined at 1.05:1.2:1(mass ration). Conceptual analysis for electrochemical reactivity of carbon anode shows the importance of (1) reactive characteristics including lattice disorder, edge-carbon ratio and the number of short alkyl side chain of carbon material, which builds the prime foundation of the anodic half-cell reaction; (2) surface wetting ability, which assures the efficient contact of anode surface with electrolyte. It indicates that anode reaction rate and DCFC output can be notably improved if carbon are pre-dispersed into electrolyte before acting as anode, due to the straightway shift from cathode to anode for CO32- provided by electrolyte soaked in carbon material.
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Wang, Chengyang
(författare)
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Niu, Xiaomeng
(författare)
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Zhao, Shuo
(författare)
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Tang, Jian
(författare)
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Zhu, BinKTH,Energiteknik(Swepub:kth)u1ybbo7e
(författare)
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KTHEnergiteknik
(creator_code:org_t)
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Ingår i:International journal of hydrogen energy: Elsevier BV35:7, s. 2732-27360360-31991879-3487
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