Direct conversion of methane to C2 hydrocarbons in solid-state membrane reactors at high temperatures
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Direct conversion of methane to C2 compounds by oxidative and
nonoxidative coupling reactions has been intensively studied in the past four decades;
however, because these reactions have intrinsic severe thermodynamic constraints, they have
not become viable industrially. Recently, with the increasing availability of inexpensive
“green electrons” coming from renewable sources, electrochemical technologies are gaining
momentum for reactions that have been challenging for more conventional catalysis. Using
solid-state membranes to control the reacting species and separate products in a single step is
a crucial advantage. Devices using ionic or mixed ionic−electronic conductors can be
explored for methane coupling reactions with great potential to increase selectivity. Although
these technologies are still in the early scaling stages, they offer a sustainable path for the
utilization of methane and benefit from the advances in both solid oxide fuel cells and
electrolyzers. This review identifies promising developments for solid-state methane
conversion reactors by assessing multifunctional layers with microstructural control;
combining solid electrolytes (proton and oxygen ion conductors) with active and selective
electrodes/catalysts; applying more efficient reactor designs; understanding the reaction/degradation mechanisms; defining
standards for performance evaluation; and carrying techno-economic analysis.
Como referenciar
THYSSEN, VIVIAN V.; VILELA, VANESSA B.; FLORIO, DANIEL Z. de; FERLAUTO, ANDRE S.; FONSECA, FABIO C. Direct conversion of methane to C2 hydrocarbons in solid-state membrane reactors at high temperatures. Chemical Reviews, v. 122, n. 3, p. 3966-3995, 2022. DOI: 10.1021/acs.chemrev.1c00447. Disponível em: http://repositorio.ipen.br/handle/123456789/32961. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.