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Search: AMNE:(TEKNIK OCH TEKNOLOGIER Kemiteknik Kemiska processer) > (2015-2019) > NiFeOx as a Bifunct...

  • Paulraj, Alagar Raj,1989-KTH,Kemiteknik,KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden (author)

NiFeOx as a Bifunctional Electrocatalyst for Oxygen Reduction (OR) and Evolution (OE) Reaction in Alkaline Media

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-08-10
  • MDPI AG,2018
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-241281
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-241281URI
  • https://doi.org/10.3390/catal8080328DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-363948URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20190124
  • This article reports the two-step synthesis of NiFeOx nanomaterials and their characterization and bifunctional electrocatalytic activity measurements in alkaline electrolyte for metal-air batteries. The samples were mostly in layered double hydroxide at the initial temperature, but upon heat treatment, they were converted to NiFe2O4 phases. The electrochemical behaviour of the different samples was studied by linear sweep voltammetry and cyclic voltammetry on the glassy carbon electrode. The OER catalyst activity was observed for low mass loadings (0.125 mg cm−2), whereas high catalyst loading exhibited the best performance on the ORR side. The sample heat-treated at 250 °C delivered the highest bi-functional oxygen evolution and reduction reaction activity (OER/ORR) thanks to its thin-holey nanosheet-like structure with higher nickel oxidation state at 250 °C. This work further helps to develop low-cost electrocatalyst development for metal-air batteries

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Kiros, Yohannes,1956-KTH,Kemiteknik,KTH Royal Inst Technol, Dept Chem Engn, SE-10044 Stockholm, Sweden(Swepub:kth)u1josffr (author)
  • Göthelid, MatsKTH,Material- och nanofysik,KTH Royal Inst Technol, Mat Phys, SCI, S-16440 Kista, Sweden(Swepub:kth)u1uq5dqb (author)
  • Johansson, Malin B,1972-Uppsala universitet,Fysikalisk kemi(Swepub:uu)maljo942 (author)
  • KTHKemiteknik (creator_code:org_t)

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  • In:Catalysts: MDPI AG8:82073-4344

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