Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (1/1 displayed)

  • 2023An Amiable Design of Cobalt Single Atoms as the Active Sites for Oxygen Evolution Reaction in Desalinated Seawater6citations

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Venkateswarlu, Sada
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Umer, Muhammad
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Yun, Kyusik
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2023

Co-Authors (by relevance)

  • Venkateswarlu, Sada
  • Umer, Muhammad
  • Yun, Kyusik
  • Choi, Sangil
  • Kim, Jeonghyeon
  • Yoon, Minyoung
  • Park, Juseong
  • Lee, Geunsik
  • Panda, Atanu
  • Chellasamy, Gayathri
  • Govindaraju, Saravanan
  • Son, Younghu
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article

An Amiable Design of Cobalt Single Atoms as the Active Sites for Oxygen Evolution Reaction in Desalinated Seawater

  • Venkateswarlu, Sada
  • Umer, Muhammad
  • Yun, Kyusik
  • Choi, Sangil
  • Kim, Jeonghyeon
  • Umer, Sohaib
  • Yoon, Minyoung
  • Park, Juseong
  • Lee, Geunsik
  • Panda, Atanu
  • Chellasamy, Gayathri
  • Govindaraju, Saravanan
  • Son, Younghu
Abstract

<jats:title>Abstract</jats:title><jats:p>Green fuel from water splitting is hardcore for future generations, and the limited source of fresh water (&lt;1%) is a bottleneck. Seawater cannot be used directly as a feedstock in current electrolyzer techniques. Until now single atom catalysts were reported by many synthetic strategies using notorious chemicals and harsh conditions. A cobalt single‐atom (CoSA) intruding cobalt oxide ultrasmall nanoparticle (Co<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub> USNP)‐intercalated porous carbon (PC) (CoSA‐Co<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>@PC) electrocatalyst was synthesized from the waste orange peel as a single feedstock (solvent/template). The extended X‐ray absorption fine structure spectroscopy (EXAFS) and theoretical fitting reveal a clear picture of the coordination environment of the CoSA sites (CoSA‐Co<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub> and CoSA‐N<jats:sub>4</jats:sub> in PC). To impede the direct seawater corrosion and chlorine evolution the seawater has been desalinated (Dseawater) with minimal cost and the obtained PC is used as an adsorbent in this process. CoSA‐Co<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>@PC shows high oxygen evolution reaction (OER) activity in transitional metal impurity‐free (TMIF) 1 M KOH and alkaline Dseawater. CoSA‐Co<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>@PC exhibits mass activity that is 15 times higher than the commercial RuO<jats:sub>2</jats:sub>. Theoretical interpretations suggest that the optimized CoSA sites in Co<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub> USNPs reduce the energy barrier for alkaline water dissociation and simultaneously trigger an excellent OER followed by an adsorbate evolution mechanism (AEM).</jats:p>

Topics
  • nanoparticle
  • porous
  • impedance spectroscopy
  • Carbon
  • corrosion
  • Oxygen
  • cobalt
  • analytical electron microscopy
  • extended X-ray absorption fine structure spectroscopy