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Synthesis of coin-like hollow carbon and performance as Pd catalyst support for methanol electrooxidation

  • Dingsheng Yuan
  • , Changwei Xu
  • , Yingliang Liu
  • , Shaozao Tan
  • , Xin Wang
  • , Zidong Wei
  • , Pei Kang Shen

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

The coin-like hollow carbon (CHC) has been synthesized by only using ethanol as the carbon source with a novel Mg/NiCl2 catalytic system via a facile solvothermal method for the first time. The CHC synthesized at optimized conditions shows an average thickness of less than 154 nm and the coin diameter of 1-3 μm. The CHC is characterized by SEM, TEM, XRD and electrochemical techniques. Pd on CHC (denotes as Pd/CHC) electrocatalysts are prepared for methanol oxidation in alkaline media. The Pd/CHC electrocatalyst gives a mass activity of 2930 A g-1 Pd for methanol oxidation against 870 A g-1 Pd on Pd/C electrocatalyst. One main reason for the higher mass activity of the Pd/CHC is the higher electrochemical active surface area (EASA) of the Pd/CHC. © 2007 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)2473-2478
JournalElectrochemistry Communications
Volume9
Issue number10
DOIs
Publication statusPublished - Oct 2007
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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

Research Keywords

  • Coin-like hollow carbon
  • Fuel cells
  • Methanol oxidation
  • Palladium
  • Solvothermal method

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