2012
DOI: 10.1039/c2ee22749e
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Fuel selection for a regenerative organic fuel cell/flow battery: thermodynamic considerations

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Cited by 37 publications
(32 citation statements)
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“…Especially substitution with nitrogen in five-membered rings can be advantageous. Recently Crabtree et al presented another review on potential liquid organic hydrogen carriers (LOHCs) that addressed their dehydrogenation potential in direct organic fuel cells, [23] with assessments based on DFT-based computational methods.…”
mentioning
confidence: 99%
“…Especially substitution with nitrogen in five-membered rings can be advantageous. Recently Crabtree et al presented another review on potential liquid organic hydrogen carriers (LOHCs) that addressed their dehydrogenation potential in direct organic fuel cells, [23] with assessments based on DFT-based computational methods.…”
mentioning
confidence: 99%
“…26,[29][30][31][32] LOHCs are loaded with hydrogen in analogy to large scale catalytic hydrogenation reactions of the chemical industry. Starting from pioneering work in the 1990s, later patents by Pez, Scott, Copper and Cheng from Air Products 26,27 and continuous intensive research in the last couple of years, 28 LOHC systems have developed to a very promising technology for hydrogen storage and transport.…”
Section: Introductionmentioning
confidence: 99%
“…benzene) or too volatile (benzene/cyclohexane, toluene/methylcyclohexane) to be of greater practical relevance, at least so far. 26,30,37 The hydrogen-lean form, NEC is a solid with a melting point of 341 K. This is much lower than the melting point of carbazole (mp. 43,44 In particular, N-ethylcarbazole (NEC)/perhydro-N-ethylcarbazole (H 12 -NEC) has found a lot of interest as a LOHC system due to its relatively high H 2 storage capacity (5.8 wt% H 2 ) and its good dehydrogenation characteristics at 453-533 K (ambient pressure, heterogeneous Pd-or Pt catalyst).…”
Section: Introductionmentioning
confidence: 99%
“…pode ser realizada por reforma eletroquímica [6,7]. No caso das moléculas serem orgânicas, como discutido em trabalhos prévios [8][9][10], estes materiais podem ser chamados de "hidretos orgânicos", porque eles podem "absorver" e "dessorver" hidrogênio como hidretos metálicos por reações catalíticas.…”
Section: Introductionunclassified
“…Além disso, células a combustível tem uma ampla variedade de aplicação, que vão desde o uso em dispositivos eletrônicos portáteis ao uso como energia elétrica de segurança para edifícios industriais ou comerciais. Basicamente, há duas principais rotas para usar a molécula hidrogenada ou "reduzida": (a) célula a combustível indireta: neste caso, a molécula hidrogenada é submetida a uma desidrogenação térmica catalítica e o H2 liberado alimenta uma célula a combustível de hidrogênio convencional, por exemplo, do tipo PEM (Proton Exchange Membrane) [12][13][14][15]; (b) célula a combustível direta ou célula a combustível de "hidrogênio virtual" [16][17][18]: neste caso, ao invés de liberar gás hidrogênio, este passo pode ser substituído por uma etapa de oxidação eletroquímica, que libera prótons e elétrons [8]. Para o último caso, as células a combustível podem operar em dois regimes:…”
Section: Introductionunclassified