Electrochemical conversion of CO2 to fuels: tuning of the reaction zone using suitable functional groups in a solid polymer electrolyte

Literature Information

Publication Date 2014-06-09
DOI 10.1039/C4CP02389G
Impact Factor 3.676
Authors

Leela Manohar Aeshala, Ramagopal Uppaluri, Anil Verma


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Abstract

The electrochemical reduction of gaseous CO2 is studied for the first time using sterically hindered bulky quaternary ammonium ions in a solid polymer matrix at room temperature and atmospheric pressure in a developed electrochemical reactor. Some new insights are found, leading to an effective reaction process. It is found that the reaction zone can be tuned to a great extent with the help of fixed functional groups attached to the solid polymer. To illustrate the concept, solid polymer electrolytes with the same backbone and different fixed functional groups are synthesized. It is found that only a change to the functional group in the membrane is needed to dramatically change the efficiency and selectivity of the reaction products. Suitable groups may increase the mass transfer of CO2 at the reaction interface and help as a co-catalyst. This work may open a new approach for the development of next generation processes for gaseous CO2 electroreduction to fuels, which is a present need.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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