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Nano-sized carbon materials produced during the metal dusting process of stainless steel and their hydrogen storage capability

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The nano-sized carbon materials produced during the metal dusting process of 304L stainless steel were studied in this investigation. In the reaction atmosphere of CO/CO2 (35:1) mixed gas, the nanofibers and multi-wall carbon nano-tubes (MWCNTs) could be obtained at 500 °C and 600 °C, respectively. Hydrogen storage performance of the MWCNTs was evaluated by an electrochemical method; the experimental data indicated that their discharge capacity was 57 mAh/g. Two methods, including heat treatment and acid etching, were used to purify the as-prepared MWCNTs. It was found that the hydrogen storage capacity of the heat-treated and acid-treated MWCNTs was greatly improved to 85 mAh/g and 103 mAh/g, respectively. The considerable capacity increase of the etched MWCNTs was attributed to the elimination of the surface amorphous carbon and the coexisted metal particles.

Original languageEnglish
Title of host publicationECS Transactions - Hydrogen Production, Transport, and Storage 2
PublisherElectrochemical Society Inc.
Pages45-54
Number of pages10
Edition17
ISBN (Print)9781605601724
DOIs
Publication statusPublished - 2007
EventHydrogen Production, Transport, and Storage 2 - 211th ECS Meeting - Chicago, IL, United States
Duration: 2007 May 62007 May 11

Publication series

NameECS Transactions
Number17
Volume6
ISSN (Print)1938-5862
ISSN (Electronic)1938-6737

Other

OtherHydrogen Production, Transport, and Storage 2 - 211th ECS Meeting
Country/TerritoryUnited States
CityChicago, IL
Period07-05-0607-05-11

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

All Science Journal Classification (ASJC) codes

  • General Engineering

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