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Increasing the Energy Efficiency of Gas Boosters for Hydrogen Storage and for Refueling Stations

Author

Listed:
  • Alfred Rufer

    (EPFL—Ecole Polytechnique Fédérale de Lausanne, STI-DO, Station 11, 1015 Lausanne, Switzerland)

Abstract

A new electrically driven gas booster is described as an alternative to the classical air-driven gas boosters known for their poor energetic efficiency. These boosters are used in small scale Hydrogen storage facilities and in refueling stations for Hydrogen vehicles. In such applications the overall energy count is of significance and must include the efficiency of the compression stage. The proposed system uses an electric motor instead of the pneumatic actuator and increases the total efficiency of the compression process. Two mechanical principles are studied for the transformation of the rotational motion of the motor to the linear displacement of the compressor pistons. The strongly fluctuating power of the compressor is smoothed by an active capacitive auxiliary storage device connected to the DC circuit of the power converter. The proposed system has been verified by numeric simulation, including the thermodynamic phenomena, the kinetics of the new compressor drive and the the operation of the circuits of the power smoothing system.

Suggested Citation

  • Alfred Rufer, 2023. "Increasing the Energy Efficiency of Gas Boosters for Hydrogen Storage and for Refueling Stations," Energies, MDPI, vol. 16(4), pages 1-15, February.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:4:p:1763-:d:1064067
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    Citations

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    Cited by:

    1. Zecheng Zhao & Zhiwen Wang & Hu Wang & Hongwei Zhu & Wei Xiong, 2023. "Conventional and Advanced Exergy Analyses of Industrial Pneumatic Systems," Energies, MDPI, vol. 16(16), pages 1-23, August.
    2. Yi Guo & Qi Wang & Maofei Geng & Xueyuan Peng & Jianmei Feng, 2023. "Effects of Liquid Density on the Gas-Liquid Interaction of the Ionic Liquid Compressor for Hydrogen Storage," Energies, MDPI, vol. 16(7), pages 1-20, April.

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