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dc.contributor.authorSchmidt, V. Hugo
dc.date.accessioned2019-02-08T19:06:08Z
dc.date.available2019-02-08T19:06:08Z
dc.date.issued2008
dc.identifier.citationV.H. Schmidt, “Dynamic first-principles molecular-scale model for solid oxide fuel cells,” Electrochemical Society Transactions 6, (21) 11-24 (2008). doi: 10.1149/1.2837817.en_US
dc.identifier.issn1938-6737
dc.identifier.urihttps://scholarworks.montana.edu/xmlui/handle/1/15242
dc.description.abstractThis model for voltage V vs. current density i characteristics applies both to the Solid Oxide Fuel Cell (SOFC) and Solid Oxide Electrolysis Cell (SOEC) modes of operation. It is based on reaction rates calculated from a molecular-scale model for the physical and chemical processes involved. An expression is obtained for i as a function of activation polarization Vact at either interface. For large applied positive or negative voltage it correctly predicts i to be based respectively on the reverse reaction or forward reaction attempt rate. In contrast, the Butler-Volmer i(Vact) expression incorrectly predicts infinite i for infinite applied voltage. The model expression for V(i) takes open- circuit emf, activation polarization, concentration polarization, and ohmic polarization into account. Its predictions agree quite well with experiment results obtained by another group.en_US
dc.language.isoenen_US
dc.rightsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).en_US
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en_US
dc.titleDynamic first-principles molecular-scale model for solid oxide fuel cellsen_US
dc.typeArticleen_US
mus.citation.extentfirstpage11en_US
mus.citation.extentlastpage24en_US
mus.citation.issue21en_US
mus.citation.journaltitleElectrochemical Society Transactionsen_US
mus.citation.volume6en_US
mus.identifier.categoryPhysics & Mathematicsen_US
mus.identifier.doi10.1149/1.2837817en_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentPhysics.en_US
mus.relation.universityMontana State University - Bozemanen_US
mus.data.thumbpage1en_US


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