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Oxygen reduction re...
Oxygen reduction reaction at conducting polymer electrodes in a wider context: Insights from modelling concerning outer and inner sphere mechanisms
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- Gueskine, Viktor (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Vagin, Mikhail (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Berggren, Magnus (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Crispin, Xavier (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Zozoulenko, Igor (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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(creator_code:org_t)
- 2022-02-27
- 2023
- Engelska.
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Ingår i: ELECTROCHEMICAL SCIENCE ADVANCES. - : WILEY. - 2698-5977. ; 3:2
- Relaterad länk:
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https://onlinelibrar...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Practical interest in oxygen reduction reaction (ORR) has traditionally been due to its application at fuel cells' cathode following its complete 4e route to the water. In search of new electrode materials, it was discovered that conducting polymers (CPs) also are capable of driving ORR, though predominantly halting the process at 2e reduction leading to hydrogen peroxide generation. As alternative ways to produce this "green oxidant" are attracting increasing attention, a detailed study of the ORR mechanism at CP electrodes gains importance. Here, we summarize our recent theoretical work on the topic, which underscores the fundamental difference between CP and electrocatalytic metal ORR electrodes. Our insights also bring to us the attention of outer-sphere electron transfer, not unknown but somewhat ignored in the field. We also put the action of CP electrodes in a more general context of chemical ORR and redox mediation responsible for the electrocatalytic ORR mechanism.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
Nyckelord
- BBL; DFT and ab initio MD modelling; electrocatalysis; hydrogen peroxide H2O2; iner/outer-sphere electron transfer mechanism; oxygen reduction reaction (ORR); PEDOT
Publikations- och innehållstyp
- ref (ämneskategori)
- for (ämneskategori)
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