Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance
- Autores
- Díaz, Liliana Alicia; Hnát, Jaromír; Heredia, Nayra; Bruno, Mariano Martín; Viva, Federico Andrés; Paidar, Martin; Corti, Horacio Roberto; Bouzek, Karel; Abuin, Graciela Carmen
- Año de publicación
- 2016
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The properties and performance of linear and cross-linked KOH doped ABPBI membranes as electrolyte/separator for zero gap alkaline water electrolysis cells are evaluated and compared with a commercial Zirfon® diaphragm. Stability in alkaline environment, swelling, thermal properties, water sorption, KOH uptake and conductivity of linear (L-ABPBI) and cross-linked (C-ABPBI) membranes doped with different concentrations of KOH are analyzed. Linear membranes show stability up to 3.0 mol·dm−3 KOH doping, while cross-linked membranes are stable up to 4.2 mol·dm−3 KOH doping. Both kinds of membranes exhibit good thermal stability and reasonable specific ionic conductivity at 22 °C in the range between 7 and 25 mS·cm−1, being slightly higher the conductivity of C-ABPBI membranes than that of L-ABPBI ones. In short-term electrolysis tests both L-ABPBI and C-ABPBI membranes show better performance than Zirfon diaphragm in the range from 50 to 70 °C. A current density of 335 mA·cm−2 at a cell voltage of 2.0 V is attained with C-ABPBI membranes doped in 3 mol·dm−3 KOH at 70 °C, a performance comparable with that of commercial units operating at temperatures ca. 80 °C and 30 wt% KOH (6.7 mol·dm−3) as electrolyte.
Fil: Díaz, Liliana Alicia. Instituto Nacional de Tecnología Industrial; Argentina
Fil: Hnát, Jaromír. University of Chemistry and Technology Prague; República Checa
Fil: Heredia, Nayra. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina
Fil: Bruno, Mariano Martín. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina
Fil: Viva, Federico Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina
Fil: Paidar, Martin. University of Chemistry and Technology Prague; República Checa
Fil: Corti, Horacio Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina
Fil: Bouzek, Karel. University of Chemistry and Technology Prague; República Checa
Fil: Abuin, Graciela Carmen. Instituto Nacional de Tecnología Industrial; Argentina - Materia
-
Abpbi
Membranes
Electrolyzers
Water Electrolysis - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/43981
Ver los metadatos del registro completo
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network_name_str |
CONICET Digital (CONICET) |
spelling |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performanceDíaz, Liliana AliciaHnát, JaromírHeredia, NayraBruno, Mariano MartínViva, Federico AndrésPaidar, MartinCorti, Horacio RobertoBouzek, KarelAbuin, Graciela CarmenAbpbiMembranesElectrolyzersWater Electrolysishttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2The properties and performance of linear and cross-linked KOH doped ABPBI membranes as electrolyte/separator for zero gap alkaline water electrolysis cells are evaluated and compared with a commercial Zirfon® diaphragm. Stability in alkaline environment, swelling, thermal properties, water sorption, KOH uptake and conductivity of linear (L-ABPBI) and cross-linked (C-ABPBI) membranes doped with different concentrations of KOH are analyzed. Linear membranes show stability up to 3.0 mol·dm−3 KOH doping, while cross-linked membranes are stable up to 4.2 mol·dm−3 KOH doping. Both kinds of membranes exhibit good thermal stability and reasonable specific ionic conductivity at 22 °C in the range between 7 and 25 mS·cm−1, being slightly higher the conductivity of C-ABPBI membranes than that of L-ABPBI ones. In short-term electrolysis tests both L-ABPBI and C-ABPBI membranes show better performance than Zirfon diaphragm in the range from 50 to 70 °C. A current density of 335 mA·cm−2 at a cell voltage of 2.0 V is attained with C-ABPBI membranes doped in 3 mol·dm−3 KOH at 70 °C, a performance comparable with that of commercial units operating at temperatures ca. 80 °C and 30 wt% KOH (6.7 mol·dm−3) as electrolyte.Fil: Díaz, Liliana Alicia. Instituto Nacional de Tecnología Industrial; ArgentinaFil: Hnát, Jaromír. University of Chemistry and Technology Prague; República ChecaFil: Heredia, Nayra. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; ArgentinaFil: Bruno, Mariano Martín. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; ArgentinaFil: Viva, Federico Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; ArgentinaFil: Paidar, Martin. University of Chemistry and Technology Prague; República ChecaFil: Corti, Horacio Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; ArgentinaFil: Bouzek, Karel. University of Chemistry and Technology Prague; República ChecaFil: Abuin, Graciela Carmen. Instituto Nacional de Tecnología Industrial; ArgentinaElsevier Science2016-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/43981Díaz, Liliana Alicia; Hnát, Jaromír; Heredia, Nayra; Bruno, Mariano Martín; Viva, Federico Andrés; et al.; Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance; Elsevier Science; Journal of Power Sources; 312; 4-2016; 128-1360378-7753CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.jpowsour.2016.02.032info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0378775316301409info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:47:43Zoai:ri.conicet.gov.ar:11336/43981instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:47:43.625CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance |
title |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance |
spellingShingle |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance Díaz, Liliana Alicia Abpbi Membranes Electrolyzers Water Electrolysis |
title_short |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance |
title_full |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance |
title_fullStr |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance |
title_full_unstemmed |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance |
title_sort |
Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance |
dc.creator.none.fl_str_mv |
Díaz, Liliana Alicia Hnát, Jaromír Heredia, Nayra Bruno, Mariano Martín Viva, Federico Andrés Paidar, Martin Corti, Horacio Roberto Bouzek, Karel Abuin, Graciela Carmen |
author |
Díaz, Liliana Alicia |
author_facet |
Díaz, Liliana Alicia Hnát, Jaromír Heredia, Nayra Bruno, Mariano Martín Viva, Federico Andrés Paidar, Martin Corti, Horacio Roberto Bouzek, Karel Abuin, Graciela Carmen |
author_role |
author |
author2 |
Hnát, Jaromír Heredia, Nayra Bruno, Mariano Martín Viva, Federico Andrés Paidar, Martin Corti, Horacio Roberto Bouzek, Karel Abuin, Graciela Carmen |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
Abpbi Membranes Electrolyzers Water Electrolysis |
topic |
Abpbi Membranes Electrolyzers Water Electrolysis |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.5 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
The properties and performance of linear and cross-linked KOH doped ABPBI membranes as electrolyte/separator for zero gap alkaline water electrolysis cells are evaluated and compared with a commercial Zirfon® diaphragm. Stability in alkaline environment, swelling, thermal properties, water sorption, KOH uptake and conductivity of linear (L-ABPBI) and cross-linked (C-ABPBI) membranes doped with different concentrations of KOH are analyzed. Linear membranes show stability up to 3.0 mol·dm−3 KOH doping, while cross-linked membranes are stable up to 4.2 mol·dm−3 KOH doping. Both kinds of membranes exhibit good thermal stability and reasonable specific ionic conductivity at 22 °C in the range between 7 and 25 mS·cm−1, being slightly higher the conductivity of C-ABPBI membranes than that of L-ABPBI ones. In short-term electrolysis tests both L-ABPBI and C-ABPBI membranes show better performance than Zirfon diaphragm in the range from 50 to 70 °C. A current density of 335 mA·cm−2 at a cell voltage of 2.0 V is attained with C-ABPBI membranes doped in 3 mol·dm−3 KOH at 70 °C, a performance comparable with that of commercial units operating at temperatures ca. 80 °C and 30 wt% KOH (6.7 mol·dm−3) as electrolyte. Fil: Díaz, Liliana Alicia. Instituto Nacional de Tecnología Industrial; Argentina Fil: Hnát, Jaromír. University of Chemistry and Technology Prague; República Checa Fil: Heredia, Nayra. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina Fil: Bruno, Mariano Martín. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina Fil: Viva, Federico Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina Fil: Paidar, Martin. University of Chemistry and Technology Prague; República Checa Fil: Corti, Horacio Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina Fil: Bouzek, Karel. University of Chemistry and Technology Prague; República Checa Fil: Abuin, Graciela Carmen. Instituto Nacional de Tecnología Industrial; Argentina |
description |
The properties and performance of linear and cross-linked KOH doped ABPBI membranes as electrolyte/separator for zero gap alkaline water electrolysis cells are evaluated and compared with a commercial Zirfon® diaphragm. Stability in alkaline environment, swelling, thermal properties, water sorption, KOH uptake and conductivity of linear (L-ABPBI) and cross-linked (C-ABPBI) membranes doped with different concentrations of KOH are analyzed. Linear membranes show stability up to 3.0 mol·dm−3 KOH doping, while cross-linked membranes are stable up to 4.2 mol·dm−3 KOH doping. Both kinds of membranes exhibit good thermal stability and reasonable specific ionic conductivity at 22 °C in the range between 7 and 25 mS·cm−1, being slightly higher the conductivity of C-ABPBI membranes than that of L-ABPBI ones. In short-term electrolysis tests both L-ABPBI and C-ABPBI membranes show better performance than Zirfon diaphragm in the range from 50 to 70 °C. A current density of 335 mA·cm−2 at a cell voltage of 2.0 V is attained with C-ABPBI membranes doped in 3 mol·dm−3 KOH at 70 °C, a performance comparable with that of commercial units operating at temperatures ca. 80 °C and 30 wt% KOH (6.7 mol·dm−3) as electrolyte. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/43981 Díaz, Liliana Alicia; Hnát, Jaromír; Heredia, Nayra; Bruno, Mariano Martín; Viva, Federico Andrés; et al.; Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance; Elsevier Science; Journal of Power Sources; 312; 4-2016; 128-136 0378-7753 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/43981 |
identifier_str_mv |
Díaz, Liliana Alicia; Hnát, Jaromír; Heredia, Nayra; Bruno, Mariano Martín; Viva, Federico Andrés; et al.; Alkali doped poly (2,5-benzimidazole) membrane for alkaline water electrolysis: Characterization and performance; Elsevier Science; Journal of Power Sources; 312; 4-2016; 128-136 0378-7753 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jpowsour.2016.02.032 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0378775316301409 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science |
publisher.none.fl_str_mv |
Elsevier Science |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842268876596838400 |
score |
13.13397 |