Redução de CO2 em hidrocarbonetos e oxigenados : fundamentos, estratégias e desafios.
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2021
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The development of renewable energy sources (e.g., solar and wind) moves foward, the tendance for replacing fossil fuels increases.
However, these technologies have as primary barriers to industrial processes’ efficiency and especially storage. Thus, CO2 reduction
routes using these energy sources could chemically store part of the energy as fuels or chemicals, offering alternatives to current oil
and gas industry. This process is inspired by photosynthesis, e.g., photochemical or electrochemical processes, using homogeneous
or heterogeneous catalysts. Nevertheless, this reaction is thermodynamically unfavorable and has very slow kinetics, given the high
stability of the CO2 molecule and the complexity of the redox reactions involved. Therefore, this review addresses this process’s
kinetic and thermodynamic challenges, and the fundamental concepts of the photo(electro)chemical processes for CO2 reduction,
besides presenting and discussing the materials with the potential to act as catalysts. The main reaction mechanisms and advances in
the understanding of such processes are discussed, as well as future perspectives.
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Artificial photosynthesis, Conversion, Photochemical, Electrochemical
Citação
SILVA, G. T. dos S. T. da et al. Redução de CO2 em hidrocarbonetos e oxigenados: fundamentos, estratégias e desafios. Química Nova, v. 44, n. 8, p. 963-981, 2021. Disponível em: <https://www.scielo.br/j/qn/a/QnJPcFQfYHgkBmpmHcHyhkp/?lang=pt>. Acesso em: 11 out. 2022.