MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10773/36437 |
Resumo: | This work explores the possibilities for the processing of Ni- and Ti3C2Tx (T = OH, O) MXene-containing composite electrodes, by co-pressing and plastic deformation or by etching of the electrodes prepared directly by self-propagation high-temperature synthesis (SHS). Various material design approaches were also explored. In order to tune the Ti3C2 interlayer distance in Ti3C2Al MAX phase, an introduction of additional Al to form Ti3C2Alz materials with z > 1 was attempted. Self-propagation high-temperature synthesis of powder mixtures with extra Ni and Al content (e.g. Ni:Ti:Al:C = 1:2:3:1) resulted in SHS products containing Ti3C2Alz z > 1 material and Ni–Al alloys. Further etching of these products in 10M NaOH allowed the direct formation of electrodes with active surface containing Ti3C2Tx (T = OH, O) MXene- and Raney nickel-containing composites. The electrochemical studies were focused on hydrogen evolution and showed the potential for boosting the electrochemical reaction in Ni and MXene-containing composite electrodes, especially at high current densities. The guidelines for the processing of such electrodes under fluorine-free conditions are proposed and discussed. |
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MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabricationMXeneNickelHydrogen evolutionElectrocatalystsThis work explores the possibilities for the processing of Ni- and Ti3C2Tx (T = OH, O) MXene-containing composite electrodes, by co-pressing and plastic deformation or by etching of the electrodes prepared directly by self-propagation high-temperature synthesis (SHS). Various material design approaches were also explored. In order to tune the Ti3C2 interlayer distance in Ti3C2Al MAX phase, an introduction of additional Al to form Ti3C2Alz materials with z > 1 was attempted. Self-propagation high-temperature synthesis of powder mixtures with extra Ni and Al content (e.g. Ni:Ti:Al:C = 1:2:3:1) resulted in SHS products containing Ti3C2Alz z > 1 material and Ni–Al alloys. Further etching of these products in 10M NaOH allowed the direct formation of electrodes with active surface containing Ti3C2Tx (T = OH, O) MXene- and Raney nickel-containing composites. The electrochemical studies were focused on hydrogen evolution and showed the potential for boosting the electrochemical reaction in Ni and MXene-containing composite electrodes, especially at high current densities. The guidelines for the processing of such electrodes under fluorine-free conditions are proposed and discussed.Elsevier2023-03-01T18:31:37Z2023-03-23T00:00:00Z2021-03-23T00:00:00Z2021-03-23info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/36437eng0360-319910.1016/j.ijhydene.2021.01.041Sergiienko, Sergii A.Lopes, Daniela V.Constantinescu, GabrielFerro, Marta C.Shchaerban, Nataliya D.Tursunov, Obid B.Shkepu, Viacheslav I.Pazniak, HannaTabachkova, Nataliya Yu.Rodríguez Castellón, EnriqueFrade, Jorge R.Kovalevsky, Andrei V.info:eu-repo/semantics/embargoedAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-17T04:18:06ZPortal AgregadorONG |
dc.title.none.fl_str_mv |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication |
title |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication |
spellingShingle |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication Sergiienko, Sergii A. MXene Nickel Hydrogen evolution Electrocatalysts |
title_short |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication |
title_full |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication |
title_fullStr |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication |
title_full_unstemmed |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication |
title_sort |
MXene-containing composite electrodes for hydrogen evolution: material design aspects and approaches for electrode fabrication |
author |
Sergiienko, Sergii A. |
author_facet |
Sergiienko, Sergii A. Lopes, Daniela V. Constantinescu, Gabriel Ferro, Marta C. Shchaerban, Nataliya D. Tursunov, Obid B. Shkepu, Viacheslav I. Pazniak, Hanna Tabachkova, Nataliya Yu. Rodríguez Castellón, Enrique Frade, Jorge R. Kovalevsky, Andrei V. |
author_role |
author |
author2 |
Lopes, Daniela V. Constantinescu, Gabriel Ferro, Marta C. Shchaerban, Nataliya D. Tursunov, Obid B. Shkepu, Viacheslav I. Pazniak, Hanna Tabachkova, Nataliya Yu. Rodríguez Castellón, Enrique Frade, Jorge R. Kovalevsky, Andrei V. |
author2_role |
author author author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Sergiienko, Sergii A. Lopes, Daniela V. Constantinescu, Gabriel Ferro, Marta C. Shchaerban, Nataliya D. Tursunov, Obid B. Shkepu, Viacheslav I. Pazniak, Hanna Tabachkova, Nataliya Yu. Rodríguez Castellón, Enrique Frade, Jorge R. Kovalevsky, Andrei V. |
dc.subject.por.fl_str_mv |
MXene Nickel Hydrogen evolution Electrocatalysts |
topic |
MXene Nickel Hydrogen evolution Electrocatalysts |
description |
This work explores the possibilities for the processing of Ni- and Ti3C2Tx (T = OH, O) MXene-containing composite electrodes, by co-pressing and plastic deformation or by etching of the electrodes prepared directly by self-propagation high-temperature synthesis (SHS). Various material design approaches were also explored. In order to tune the Ti3C2 interlayer distance in Ti3C2Al MAX phase, an introduction of additional Al to form Ti3C2Alz materials with z > 1 was attempted. Self-propagation high-temperature synthesis of powder mixtures with extra Ni and Al content (e.g. Ni:Ti:Al:C = 1:2:3:1) resulted in SHS products containing Ti3C2Alz z > 1 material and Ni–Al alloys. Further etching of these products in 10M NaOH allowed the direct formation of electrodes with active surface containing Ti3C2Tx (T = OH, O) MXene- and Raney nickel-containing composites. The electrochemical studies were focused on hydrogen evolution and showed the potential for boosting the electrochemical reaction in Ni and MXene-containing composite electrodes, especially at high current densities. The guidelines for the processing of such electrodes under fluorine-free conditions are proposed and discussed. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-03-23T00:00:00Z 2021-03-23 2023-03-01T18:31:37Z 2023-03-23T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10773/36437 |
url |
http://hdl.handle.net/10773/36437 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
0360-3199 10.1016/j.ijhydene.2021.01.041 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/embargoedAccess |
eu_rights_str_mv |
embargoedAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
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repository.mail.fl_str_mv |
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1777303594108715008 |