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A review of solar thermochemical CO2 splitting using ceria-based ceramics with designed morphologies and microstructures

2019Journal article Open access
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dc.contributor.authorPullar, Robert C.
dc.contributor.authorNovais, Rui M.
dc.contributor.authorCaetano, Ana P. F.
dc.contributor.authorBarreiros, M. Alexandra
dc.contributor.authorAbanades, Stéphane
dc.contributor.authorOliveira, Fernando Almeida Costa
dc.date.accessioned2020-03-23T17:05:51Z
dc.date.available2020-03-23T17:05:51Z
dc.date.issued2019
dc.description.abstractABSTRACT: This review explores the advances in the synthesis of ceria materials with specific morphologies or porous macro- and microstructures for the solar-driven production of carbon monoxide (CO) from carbon dioxide (CO2). As the demand for renewable energy and fuels continues to grow, there is a great deal of interest in solar thermochemical fuel production (STFP), with the use of concentrated solar light to power the splitting of carbon dioxide. This can be achieved in a two-step cycle, involving the reduction of CeO2 at high temperatures, followed by oxidation at lower temperatures with CO2, splitting it to produce CO, driven by concentrated solar radiation obtained with concentrating solar technologies (CST) to provide the high reaction temperatures of typically up to 1,500 degrees C. Since cerium oxide was first explored as a solar-driven redox material in 2006, and to specifically split CO2 in 2010, there has been an increasing interest in this material. The solar-to-fuel conversion efficiency is influenced by the material composition itself, but also by the material morphology that mostly determines the available surface area for solid/gas reactions (the material oxidation mechanism is mainly governed by surface reaction). The diffusion length and specific surface area affect, respectively, the reduction and oxidation steps. They both depend on the reactive material morphology that also substantially affects the reaction kinetics and heat and mass transport in the material. Accordingly, the main relevant options for materials shaping are summarized. We explore the effects of microstructure and porosity, and the exploitation of designed structures such as fibers, 3-DOM (three-dimensionally ordered macroporous) materials, reticulated and replicated foams, and the new area of biomimetic/biomorphous porous ceria redox materials produced from natural and sustainable templates such as wood or cork, also known as ecoceramics.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPullar, Robert C... [et.al.] - A review of solar thermochemical CO2 splitting using ceria-based ceramics with designed morphologies and microstructures. In: Frontiers in Chemistry, 2019, Vol. 7, article nº 00601, 34 p.pt_PT
dc.identifier.doi10.3389/fchem.2019.00601pt_PT
dc.identifier.issn2296-2646
dc.identifier.urihttp://hdl.handle.net/10400.9/3197
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFrontiers Media SApt_PT
dc.relationPOCI-01-0145-FEDER-016862pt_PT
dc.relationFCT grant IF/00681/2015pt_PT
dc.relationSTAGE-STE project Nº 609837pt_PT
dc.relationCICECO-Aveiro Institute of Materials
dc.relationSFERA II project Nº 312643pt_PT
dc.relation.publisherversionhttps://doi.org/10.3389/fchem.2019.00601pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectConcentrated solar powerpt_PT
dc.subjectSolar fuelspt_PT
dc.subjectThermochemical cyclept_PT
dc.subjectMicrostucturespt_PT
dc.subjectCeriumpt_PT
dc.subjectCarbon dioxidept_PT
dc.titleA review of solar thermochemical CO2 splitting using ceria-based ceramics with designed morphologies and microstructurespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCICECO-Aveiro Institute of Materials
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FCTM-ENE%2F6762%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FCTM%2F50011%2F2019/PT
oaire.citation.titleFrontiers in Chemistrypt_PT
oaire.citation.volume7pt_PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBarreiros
person.familyNameOliveira
person.givenNameMaria Alexandra
person.givenNameFernando
person.identifierL-4674-2014
person.identifier647144
person.identifier.ciencia-id271D-7B29-E46C
person.identifier.ciencia-id561B-597F-9D55
person.identifier.orcid0000-0002-0132-4969
person.identifier.orcid0000-0002-1503-0152
person.identifier.ridA-2312-2011
person.identifier.scopus-author-id6603680496
person.identifier.scopus-author-id23019925500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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