Manganese oxide catalysts for secondary zinc air batteries: from

An efficient, durable and low cost air cathode with low polarization between the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is essential for a high performance and durable secondary zinc-air battery. Different valence states and morphologies of MnxOy catalysts were synthetiz...

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Autores: Mainar, Aroa R., Colmenares, Luis C., Leonet, Olatz, Alcaide, Francisco, Iruin Sanz, Juan José, Weinberger, Stephan, Hacker, Viktor, Iruin, Elena, Urdampilleta, Idoia, Blázquez Martín, José Alberto
Formato: artículo
Fecha de publicación:2017
País:España
Recursos:Universidad del País Vasco
Repositorio:Addi. Archivo Digital para la Docencia y la Investigación
OAI Identifier:oai:addi.ehu.eus:10810/20599
Acesso em linha:http://hdl.handle.net/10810/20599
http://dx.doi.org/10.1016/j.electacta.2016.09.052
Access Level:acceso abierto
Palavra-chave:Bifunctional air electrode
Secondary zinc-air battery
Manganese oxide based catalysts (MnxOy)
Oxygen evolution reaction (OER)
Oxygen reduction reaction (ORR)
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spelling Manganese oxide catalysts for secondary zinc air batteries: fromMainar, Aroa R.Colmenares, Luis C.Leonet, OlatzAlcaide, FranciscoIruin Sanz, Juan JoséWeinberger, StephanHacker, ViktorIruin, ElenaUrdampilleta, IdoiaBlázquez Martín, José AlbertoBifunctional air electrodeSecondary zinc-air batteryManganese oxide based catalysts (MnxOy)Oxygen evolution reaction (OER)Oxygen reduction reaction (ORR)An efficient, durable and low cost air cathode with low polarization between the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is essential for a high performance and durable secondary zinc-air battery. Different valence states and morphologies of MnxOy catalysts were synthetized via thermal treatment of EMD (generating Mn2O3 and Mn3O4) and acid digestion of synthetized Mn2O3 (producing a-MnO2) in order to develop an efficient Bifunctional Air Electrode (BAE). Change in the ratio H+ to Mn2O3 during the acid digestion affects the sample microporosity, the crystallographic plane distribution, as well as the physical and chemical adsorbed water which was related to defects, i.e. cation vacancies (Mn4+) and Mn3+. These characteristics were discussed and linked to the electrocatalytic activity. The best ORR performing catalyst was that with the higher surface water content (associated to material BET surface area) and a (310) surface as the 2nd more contributing plane (after 211). On the other hand, the catalyst with the higher structural water and with (110) and (200) crystallographic planes being the most intensity contributors (after 211) was the most OER active material. In this work, it was able to find a relationship between catalyst structure and air-efficiency through a volcano-like relationship between air-efficiency and surface water content. Air-efficiency (also take as round-efficiency discharge/charge in battery context) can be taken as a good descriptor of potentially good materials for Zn-Air secondary batteries technology. In this term, we were able to prepare a Bifunctional Air Electrode based on the selected a-MnO2 sample which demonstrated a roundefficiency of 53%, a DV around 1 V and a neglected loss of the charge potential (about 2.1 V) over the entire lifecycle test (more 200 cycles over 30 hours) with a capacity retention superior to 95%.European Commission H2020: Proyecto ZAS “Zinc Air Secondary innovative nanotech based batteries for efficient energy storage” (Grant Agreement 646186)European Commission201720172017info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10810/20599http://dx.doi.org/10.1016/j.electacta.2016.09.052reponame:Addi. Archivo Digital para la Docencia y la Investigacióninstname:Universidad del País VascoInglésinfo:eu-repo/grantAgreement/EC/H2020/646186http://www.sciencedirect.com/science/article/pii/S0013468616319405info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/Attribution-NonCommercial-NoDerivatives 4.0 Internationaloai:addi.ehu.eus:10810/205992026-06-18T09:23:17Z
dc.title.none.fl_str_mv Manganese oxide catalysts for secondary zinc air batteries: from
title Manganese oxide catalysts for secondary zinc air batteries: from
spellingShingle Manganese oxide catalysts for secondary zinc air batteries: from
Mainar, Aroa R.
Bifunctional air electrode
Secondary zinc-air battery
Manganese oxide based catalysts (MnxOy)
Oxygen evolution reaction (OER)
Oxygen reduction reaction (ORR)
title_short Manganese oxide catalysts for secondary zinc air batteries: from
title_full Manganese oxide catalysts for secondary zinc air batteries: from
title_fullStr Manganese oxide catalysts for secondary zinc air batteries: from
title_full_unstemmed Manganese oxide catalysts for secondary zinc air batteries: from
title_sort Manganese oxide catalysts for secondary zinc air batteries: from
dc.creator.none.fl_str_mv Mainar, Aroa R.
Colmenares, Luis C.
Leonet, Olatz
Alcaide, Francisco
Iruin Sanz, Juan José
Weinberger, Stephan
Hacker, Viktor
Iruin, Elena
Urdampilleta, Idoia
Blázquez Martín, José Alberto
author Mainar, Aroa R.
author_facet Mainar, Aroa R.
Colmenares, Luis C.
Leonet, Olatz
Alcaide, Francisco
Iruin Sanz, Juan José
Weinberger, Stephan
Hacker, Viktor
Iruin, Elena
Urdampilleta, Idoia
Blázquez Martín, José Alberto
author_role author
author2 Colmenares, Luis C.
Leonet, Olatz
Alcaide, Francisco
Iruin Sanz, Juan José
Weinberger, Stephan
Hacker, Viktor
Iruin, Elena
Urdampilleta, Idoia
Blázquez Martín, José Alberto
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv European Commission
dc.subject.none.fl_str_mv Bifunctional air electrode
Secondary zinc-air battery
Manganese oxide based catalysts (MnxOy)
Oxygen evolution reaction (OER)
Oxygen reduction reaction (ORR)
topic Bifunctional air electrode
Secondary zinc-air battery
Manganese oxide based catalysts (MnxOy)
Oxygen evolution reaction (OER)
Oxygen reduction reaction (ORR)
description An efficient, durable and low cost air cathode with low polarization between the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is essential for a high performance and durable secondary zinc-air battery. Different valence states and morphologies of MnxOy catalysts were synthetized via thermal treatment of EMD (generating Mn2O3 and Mn3O4) and acid digestion of synthetized Mn2O3 (producing a-MnO2) in order to develop an efficient Bifunctional Air Electrode (BAE). Change in the ratio H+ to Mn2O3 during the acid digestion affects the sample microporosity, the crystallographic plane distribution, as well as the physical and chemical adsorbed water which was related to defects, i.e. cation vacancies (Mn4+) and Mn3+. These characteristics were discussed and linked to the electrocatalytic activity. The best ORR performing catalyst was that with the higher surface water content (associated to material BET surface area) and a (310) surface as the 2nd more contributing plane (after 211). On the other hand, the catalyst with the higher structural water and with (110) and (200) crystallographic planes being the most intensity contributors (after 211) was the most OER active material. In this work, it was able to find a relationship between catalyst structure and air-efficiency through a volcano-like relationship between air-efficiency and surface water content. Air-efficiency (also take as round-efficiency discharge/charge in battery context) can be taken as a good descriptor of potentially good materials for Zn-Air secondary batteries technology. In this term, we were able to prepare a Bifunctional Air Electrode based on the selected a-MnO2 sample which demonstrated a roundefficiency of 53%, a DV around 1 V and a neglected loss of the charge potential (about 2.1 V) over the entire lifecycle test (more 200 cycles over 30 hours) with a capacity retention superior to 95%.
publishDate 2017
dc.date.none.fl_str_mv 2017
2017
2017
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10810/20599
http://dx.doi.org/10.1016/j.electacta.2016.09.052
url http://hdl.handle.net/10810/20599
http://dx.doi.org/10.1016/j.electacta.2016.09.052
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/EC/H2020/646186
http://www.sciencedirect.com/science/article/pii/S0013468616319405
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 International
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 International
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Addi. Archivo Digital para la Docencia y la Investigación
instname:Universidad del País Vasco
instname_str Universidad del País Vasco
reponame_str Addi. Archivo Digital para la Docencia y la Investigación
collection Addi. Archivo Digital para la Docencia y la Investigación
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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