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Utilizing Formate as an Energy Carrier by Coupling CO2 Electrolysis with Fuel Cell Devices

Bienen, Fabian and Kopljar, Dennis and Löwe, Armin and Aßmann, Pia and Stoll, marvin and Rößner, Paul and Wagner, Norbert and Friedrich, Kaspar Andreas and Klemm, Elias (2019) Utilizing Formate as an Energy Carrier by Coupling CO2 Electrolysis with Fuel Cell Devices. Chemie Ingenieur Technik, 91 (6), pp. 872-882. Wiley. DOI: 10.1002/cite.201800212 ISSN 0009-286X

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Official URL: https://onlinelibrary.wiley.com/doi/full/10.1002/cite.201800212


Electrochemical reduction of CO2 to useful chemicals can change the role of CO2 from harmful waste to a valuable feedstock. Despite a lot of progress in the alkaline electrochemical conversion of CO2 to formate, there is still a lack of potential applications for the generated aqueous formate solution. Here, the general ability of formate to be used as an energy or hydrogen carrier is discussed and compared to well‐known energy storage chemicals. Concepts to employ formate solution as an energy carrier by combining CO2 electrolysis with the reconversion of formate into electricity via a direct formate fuel cell or catalytic decomposition to H2 combined with a proton exchange membrane fuel cell are demonstrated.

Item URL in elib:https://elib.dlr.de/129561/
Document Type:Article
Title:Utilizing Formate as an Energy Carrier by Coupling CO2 Electrolysis with Fuel Cell Devices
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bienen, FabianFabian.Bienen (at) dlr.dehttps://orcid.org/0000-0002-4660-8826
Kopljar, DennisDennis.Kopljar (at) dlr.dehttps://orcid.org/0000-0002-2228-2016
Löwe, Arminarmin.loewe (at) itc.uni-stuttgart.deUNSPECIFIED
Aßmann, PiaPia.Assmann (at) dlr.deUNSPECIFIED
Stoll, marvinmarvin.stoll (at) itc.uni-stuttgart.deUNSPECIFIED
Rößner, Paulpaul.roessner (at) itc.uni-stuttgart.deUNSPECIFIED
Wagner, NorbertNorbert.Wagner (at) dlr.dehttps://orcid.org/0000-0002-2596-8689
Friedrich, Kaspar Andreasandreas.friedrich (at) dlr.dehttps://orcid.org/0000-0002-2968-5029
Klemm, Eliaselias.klemm (at) itc.uni-stuttgart.deUNSPECIFIED
Date:May 2019
Journal or Publication Title:Chemie Ingenieur Technik
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1002/cite.201800212
Page Range:pp. 872-882
Keywords:CO2 reduction, Direct formate fuel cells, Energy carriers, Gas diffusion electrodes, Power to X technologies
HGF - Research field:Energy
HGF - Program:Storage and Cross-linked Infrastructures
HGF - Program Themes:Electrolysis and Hydrogen
DLR - Research area:Energy
DLR - Program:E SP - Energy Storage
DLR - Research theme (Project):E - Elektrochemical Processes (Electrolysis)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Electrochemical Energy Technology
Deposited By: Bienen, Fabian
Deposited On:16 Dec 2019 15:43
Last Modified:16 Dec 2019 15:43

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