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Article: Manganese Oxide Catalyst Grown on Carbon Paper as an Air Cathode for High-Performance Rechargeable Zinc-Air Batteries

TitleManganese Oxide Catalyst Grown on Carbon Paper as an Air Cathode for High-Performance Rechargeable Zinc-Air Batteries
Authors
Keywordscarbon
zinc
manganese
heterogeneous catalysis
electrochemistry
Issue Date2015
Citation
ChemPlusChem, 2015, v. 80, n. 8, p. 1341-1346 How to Cite?
Abstract© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Manganese oxide is grown directly on carbon paper through a simple immersion process, and used as a catalyst-modified air cathode for rechargeable zinc-air batteries. The manganese oxide is distributed evenly within the porous carbon paper, which promotes a rapid three-phase reaction and high utilization of the active materials. Zinc-air batteries with the manganese oxide catalyst directly grown on the carbon paper exhibit improved performance compared with zinc-air batteries fabricated by using manganese oxide powder catalyst coated on carbon paper. The directly grown catalyst reduces the contact resistance and enhances the discharge/charge profile of the zinc-air batteries. Zinc-air batteries with the directly grown catalyst show a discharge voltage of 1.2 V at a current density of 15 mA cm-2 and deliver a power density as high as 108 mW cm-2 at an applied current of 168 mA cm-2. Furthermore, good cycling stability for up to 500 cycles is achievable during continuous discharge-charge tests without the need to replace the zinc anode or replenish the electrolyte; this outperforms most currently available bifunctional catalysts for rechargeable zinc-air batteries. This study illustrates a promising platform to enhance the cycle life of rechargeable metal-air batteries.
Persistent Identifierhttp://hdl.handle.net/10722/219846

 

DC FieldValueLanguage
dc.contributor.authorSumboja, Afriyanti-
dc.contributor.authorGe, Xiaoming-
dc.contributor.authorGoh, F. W Thomas-
dc.contributor.authorLi, Bing-
dc.contributor.authorGeng, Dongsheng-
dc.contributor.authorHor, T. S Andy-
dc.contributor.authorZong, Yun-
dc.contributor.authorLiu, Zhaolin-
dc.date.accessioned2015-09-23T02:58:05Z-
dc.date.available2015-09-23T02:58:05Z-
dc.date.issued2015-
dc.identifier.citationChemPlusChem, 2015, v. 80, n. 8, p. 1341-1346-
dc.identifier.urihttp://hdl.handle.net/10722/219846-
dc.description.abstract© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Manganese oxide is grown directly on carbon paper through a simple immersion process, and used as a catalyst-modified air cathode for rechargeable zinc-air batteries. The manganese oxide is distributed evenly within the porous carbon paper, which promotes a rapid three-phase reaction and high utilization of the active materials. Zinc-air batteries with the manganese oxide catalyst directly grown on the carbon paper exhibit improved performance compared with zinc-air batteries fabricated by using manganese oxide powder catalyst coated on carbon paper. The directly grown catalyst reduces the contact resistance and enhances the discharge/charge profile of the zinc-air batteries. Zinc-air batteries with the directly grown catalyst show a discharge voltage of 1.2 V at a current density of 15 mA cm<sup>-2</sup> and deliver a power density as high as 108 mW cm<sup>-2</sup> at an applied current of 168 mA cm<sup>-2</sup>. Furthermore, good cycling stability for up to 500 cycles is achievable during continuous discharge-charge tests without the need to replace the zinc anode or replenish the electrolyte; this outperforms most currently available bifunctional catalysts for rechargeable zinc-air batteries. This study illustrates a promising platform to enhance the cycle life of rechargeable metal-air batteries.-
dc.languageeng-
dc.relation.ispartofChemPlusChem-
dc.subjectcarbon-
dc.subjectzinc-
dc.subjectmanganese-
dc.subjectheterogeneous catalysis-
dc.subjectelectrochemistry-
dc.titleManganese Oxide Catalyst Grown on Carbon Paper as an Air Cathode for High-Performance Rechargeable Zinc-Air Batteries-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1002/cplu.201500183-
dc.identifier.scopuseid_2-s2.0-84938417760-
dc.identifier.volume80-
dc.identifier.issue8-
dc.identifier.spage1341-
dc.identifier.epage1346-
dc.identifier.eissn2192-6506-

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