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    Seaweed-Derived Nitrogen-Rich Porous Biomass Carbon as Bifunctional Materials for Effective Electrocatalytic Oxygen Reduction and High-Performance Gaseous Toluene Absorbent

    Access Status
    Fulltext not available
    Authors
    Zeng, Libin
    Li, Xinyong
    Fan, Shiying
    Mu, Jincheng
    Qin, Meichun
    Wang, Xinyang
    Gan, Guoqiang
    Tade, Moses
    Liu, Shaomin
    Date
    2019
    Type
    Journal Article
    
    Metadata
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    Citation
    Zeng, L. and Li, X. and Fan, S. and Mu, J. and Qin, M. and Wang, X. and Gan, G. et al. 2019. Seaweed-Derived Nitrogen-Rich Porous Biomass Carbon as Bifunctional Materials for Effective Electrocatalytic Oxygen Reduction and High-Performance Gaseous Toluene Absorbent. ACS Sustainable Chemistry and Engineering. 7 (5): pp. 5057-5064.
    Source Title
    ACS Sustainable Chemistry and Engineering
    DOI
    10.1021/acssuschemeng.8b05863
    ISSN
    2168-0485
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/79350
    Collection
    • Curtin Research Publications
    Abstract

    Copyright © 2019 American Chemical Society.

    Seeking economical, high-performance catalysts from natural waste to substitute traditional noble metal catalysts has been an emerging strategy in recent decades for energy catalysis and conversion devices. In this work, sustainable biomass kelp-derived self-nitrogen doped porous biomass carbon (PBC) with tunable pore structure and large specific surface areas was skillfully developed. The effect of calcination temperature on the pore structure and morphology of PBC was investigated to further optimize its performance. Honeycomb-like PBC exhibited high specific surface areas (805.2 m 2 g -1 ) and remarkable catalytically active nitrogen sites (higher to 1.51 wt %) with quantitative analysis. It largely enhanced its electrochemical performance such that the PBC-800 material showed excellent oxygen reduction reaction activity, and the electron transfer path of this process was fully explained by simulated density functional theory calculations. Interestingly, it possessed a high adsorption capacity for gaseous toluene (model fitted value of 332.23 mg g -1 ). On the basis of the above excellent properties, this kelp-based PBC might serve as a potentially bifunctional material for energy conversion and environmental purification.

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