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Effects of electrode configurations, solution pH, TiO2 addition on hydrogen production by in-liquid discharge plasma

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  • Xin, Yanbin
  • Sun, Bing
  • Liu, Jingyu
  • Wang, Quanli
  • Zhu, Xiaomei
  • Yan, Zhiyu

Abstract

In-situ hydrogen production for mobile transportation has gradually become a research hotspot with the adjustment of energy structure. Especially hydrogen production from liquid materials can avoid the problems of storage and transportation. In this work, hydrogen produced by in-liquid discharge from ethanol/water mixtures was researched. The effects of electrode configurations, solution pH, commercial TiO2 addition on hydrogen production were specially discussed. The results show that the acid solution is conducive to increasing the percentage concentration of hydrogen, and discharge in the alkaline solution can increase the flow rate of hydrogen at high voltage. Meanwhile, the needle-12 needles configuration is more suitable for in-liquid pulsed discharge for hydrogen production that the energy efficiency is higher compared with other configurations. In-liquid discharge coupled with TiO2 addition can improve the effect of hydrogen production to a certain extent. With 4 mg/L TiO2 concentration, the flow rate and percentage concentration of hydrogen can increase about 30%, 2.6%, respectively.

Suggested Citation

  • Xin, Yanbin & Sun, Bing & Liu, Jingyu & Wang, Quanli & Zhu, Xiaomei & Yan, Zhiyu, 2021. "Effects of electrode configurations, solution pH, TiO2 addition on hydrogen production by in-liquid discharge plasma," Renewable Energy, Elsevier, vol. 171(C), pages 728-734.
    • Handle: RePEc:eee:renene:v:171:y:2021:i:c:p:728-734
    DOI: 10.1016/j.renene.2021.02.150
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    References listed on IDEAS

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    1. Xin, Yanbin & Sun, Bing & Zhu, Xiaomei & Yan, Zhiyu & Liu, Hui & Liu, Yongjun, 2016. "Effects of plate electrode materials on hydrogen production by pulsed discharge in ethanol solution," Applied Energy, Elsevier, vol. 181(C), pages 75-82.
    2. Xin, Yanbin & Sun, Bing & Zhu, Xiaomei & Yan, Zhiyu & Zhao, Xiaotong & Sun, Xiaohang, 2017. "Hydrogen production from ethanol decomposition by pulsed discharge with needle-net configurations," Applied Energy, Elsevier, vol. 206(C), pages 126-133.
    3. Lili Lin & Wu Zhou & Rui Gao & Siyu Yao & Xiao Zhang & Wenqian Xu & Shijian Zheng & Zheng Jiang & Qiaolin Yu & Yong-Wang Li & Chuan Shi & Xiao-Dong Wen & Ding Ma, 2017. "Low-temperature hydrogen production from water and methanol using Pt/α-MoC catalysts," Nature, Nature, vol. 544(7648), pages 80-83, April.
    4. Xin, Yanbin & Sun, Bing & Zhu, Xiaomei & Yan, Zhiyu & Liu, Yongjun & Liu, Hui, 2016. "Characteristics of hydrogen produced by pulsed discharge in ethanol solution," Applied Energy, Elsevier, vol. 168(C), pages 122-129.
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    Cited by:

    1. Wang, Qiuying & Zhu, Xiaomei & Sun, Bing & Li, Zhi & Liu, Jinglin, 2022. "Hydrogen production from methane via liquid phase microwave plasma: A deoxidation strategy," Applied Energy, Elsevier, vol. 328(C).
    2. Wang, Qiuying & Sun, Shaohua & Yang, Yutong & Zhu, Xiaomei & Sun, Bing, 2024. "Efficient conversion of methane in aqueous solution assisted by microwave plasma technology with a novel electrode," Energy, Elsevier, vol. 289(C).

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