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Multi-interfacial dendritic engineering facilitating congruous intrinsic activity of oxide-carbide/MOF nanostructured multimodal electrocatalyst for hydrogen and oxygen electrocatalysis

  • Dasu Ram Paudel
  • , Uday Narayan Pan
  • , Ram Babu Ghising
  • , Mani Ram Kandel
  • , Sampath Prabhakaran
  • , Do Hwan Kim
  • , Nam Hoon Kim*
  • , Joong Hee Lee*
  • *Corresponding author for this work
  • Jeonbuk National University
  • Tribhuvan University

Research output: Contribution to journalJournal articlepeer-review

Abstract

Multiple interfaces and phases between the electrode and electrolyte play a key role in prompting the overall electrocatalysis, due to the high chances of the formation and cleavage of chemical bonds. Here, we employed the most common tactic of coupling functional components into a hybrid heterostructure with improved synergistic effects between organic and inorganics. The functional metal nodes-organic bridge ligands integrated on polyvalent tungsten oxide–carbide interfaces with highly-porous nano-dendritic architectonic is developed. The FeCu–BTC/WO3–WC showed excellent electrochemical half-cell (HER/OER/ORR), and Full-cell (aqueous ZAB and water electrolysis) performances with Ε1/2, ORR = 0.81 V, η10, OER = 249 mV, η10, HER = 99 mV, Ε10, water splitting = 1.531 V, and PDZAB = 135.2 mW cm−2 with profound durability. Hence, the multi-interfacial dendritic FeCu–BTC/WO3–WC ternary nanocomposite offers the prospect of a good harbinger for aggressive reform of energy technologies towards the zero-emission energy goal.

Original languageEnglish
Article number122711
JournalApplied Catalysis B: Environmental
Volume331
DOIs
StatePublished - 2023.08.15

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy
  2. SDG 13 - Climate Action
    SDG 13 Climate Action

Keywords

  • Dendritic nanostructure
  • Multifunctional electrocatalyst
  • Multiple interfaces
  • Water splitting
  • Zinc-air battery

Quacquarelli Symonds(QS) Subject Topics

  • Environmental Sciences
  • Engineering - Petroleum
  • Engineering - Chemical

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