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Effect of Oxygen for Enhancing the Gas Storage Performance of Activated Green Carbon

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  • Hyun-Seok Jang

    (Department of Physics, Incheon National University, Incheon 22012, Korea
    Intelligent Sensor Convergence Research Center, Incheon National University, Incheon 22012, Korea
    Hyun-Seok Jang and Chang Yeon Lee contributed equally to this work.)

  • Chang Yeon Lee

    (Department of Energy and Chemical Engineering, Incheon National University, Incheon 22012, Korea
    Hyun-Seok Jang and Chang Yeon Lee contributed equally to this work.)

  • Jun Woo Jeon

    (Department of Physics, Incheon National University, Incheon 22012, Korea
    Intelligent Sensor Convergence Research Center, Incheon National University, Incheon 22012, Korea)

  • Won Taek Jung

    (Department of Physics, Incheon National University, Incheon 22012, Korea
    Intelligent Sensor Convergence Research Center, Incheon National University, Incheon 22012, Korea)

  • Won G. Hong

    (Research Center for Materials Analysis, Korea Basic Science Institution, Daejeon 34144, Korea)

  • Sang Moon Lee

    (Research Center for Materials Analysis, Korea Basic Science Institution, Daejeon 34144, Korea)

  • Haejin Kim

    (Research Center for Materials Analysis, Korea Basic Science Institution, Daejeon 34144, Korea)

  • Junyoung Mun

    (Department of Energy and Chemical Engineering, Incheon National University, Incheon 22012, Korea)

  • Byung Hoon Kim

    (Department of Physics, Incheon National University, Incheon 22012, Korea
    Intelligent Sensor Convergence Research Center, Incheon National University, Incheon 22012, Korea)

Abstract

We investigated the gas storage capacity of thermally carbonized and chemically activated Phyllostachys bambusoides (PB), which is a nature-derived green carbon with an organic porous structure. Samples were thermally treated at 900 °C for 24 h, and then were chemically activated with different amounts of KOH. The pore distribution, surface area, and H 2 storage capacity were measured by N 2 and H 2 gas sorption, up to 847 mmHg (1.13 bar) at 77 K. The CO 2 storage capacity was measured up to 847 mmHg (1.13 bar) at 298 K. The maximum gas storage was shown in the sample activated with 6 times gravimetric ratio of chemical agent. It reached 1.86 wt% for H 2 and 3.44 mmol/g for CO 2 . We used multilateral analysis methods (XRD, XPS, Raman spectroscopy, and scanning electron microscope) to identify the factors influencing gas sorption. We found that the amount of oxygen groups influence the enhancement of gas storage capacity. Moreover, the results showed that PB-based porous activated carbon has the potential to be used as a multirole gas storage material.

Suggested Citation

  • Hyun-Seok Jang & Chang Yeon Lee & Jun Woo Jeon & Won Taek Jung & Won G. Hong & Sang Moon Lee & Haejin Kim & Junyoung Mun & Byung Hoon Kim, 2020. "Effect of Oxygen for Enhancing the Gas Storage Performance of Activated Green Carbon," Energies, MDPI, vol. 13(15), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:3893-:d:392324
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    References listed on IDEAS

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    1. Se Youn Cho & Young Soo Yun & Sungho Lee & Dawon Jang & Kyu-Young Park & Jae Kyung Kim & Byung Hoon Kim & Kisuk Kang & David L. Kaplan & Hyoung-Joon Jin, 2015. "Carbonization of a stable β-sheet-rich silk protein into a pseudographitic pyroprotein," Nature Communications, Nature, vol. 6(1), pages 1-7, November.
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