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Integration of FeOOH and Zeolitic Imidazolate Framework-Derived Nanoporous Carbon as an Efficient Electrocatalyst for Water Oxidation
Dalian Univ Technol, DUT KTH Joint Educ & Res Ctr Mol Devices, State Key Lab Fine Chem, Dalian 116024, Peoples R China..
Dalian Univ Technol, DUT KTH Joint Educ & Res Ctr Mol Devices, State Key Lab Fine Chem, Dalian 116024, Peoples R China..
Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China..
Dalian Univ Technol, DUT KTH Joint Educ & Res Ctr Mol Devices, State Key Lab Fine Chem, Dalian 116024, Peoples R China..
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2018 (English)In: Advanced Energy Materials, ISSN 1614-6832, Vol. 8, no 10, article id 1702598Article in journal (Refereed) Published
Abstract [en]

As a cost-effective catalyst for the oxygen evolution reaction (OER), the potential use of FeOOH is hindered by its intrinsic poor electron conductivity. Here, the significant enhancement of OER activity and long-term stability of electrodeposited FeOOH on zeolitic imidazolate framework-derived N-doped porous carbons (NPCs) are reported. In alkaline media, FeOOH/NPC supported on nickel foam as a 3D electrode delivers a current density of 100 mA cm(-2) at a small overpotential of 230 mV and exhibits a low Tafel slope of 33.8 mV dec(-1) as well as excellent durability, making it one of the most active OER catalysts. Such high performance is attributed to a combined effect of the excellent electron conductivity of NPC and the synergy between FeOOH and NiO derived from Ni substrate.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2018. Vol. 8, no 10, article id 1702598
Keyword [en]
electrocatalysts, FeOOH, metal-organic frameworks, oxygen evolution reaction, porous carbon
National Category
Other Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-226768DOI: 10.1002/aenm.201702598ISI: 000429535300021Scopus ID: 2-s2.0-85039775291OAI: oai:DiVA.org:kth-226768DiVA, id: diva2:1203418
Funder
Swedish Energy AgencyKnut and Alice Wallenberg Foundation
Note

QC 20180503

Available from: 2018-05-03 Created: 2018-05-03 Last updated: 2018-05-03Bibliographically approved

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Sun, Licheng

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