Technical FAQs 4

What is gaseous hydrogen storage and transportation technology?

Gaseous hydrogen storage and transportation technology refers to the technology of storing and transporting hydrogen in the gaseous form. The mainstream methods of gaseous hydrogen storage and transportation mainly include hydrogen storage and transportation by high-pressure cylinders and hydrogen transportation by pipelines.

What equipment is used in a high-pressure gaseous hydrogen station system?

Hydrogen compressors, high-pressure hydrogen storage tanks, and hydrogen refueling machines are the core equipment of the high-pressure gaseous hydrogen station system.

What are the types of storage vessels for high-pressure hydrogen gas?

Zheng et al. classified storage vessels for high-pressure hydrogen gas into three types: stationary, vehicular, and bulk transportation . This study focuses on large-scale hydrogen storage; hence, this study discusses in detail only stationary tanks.

What is the service pressure of a hydrogen storage vessel?

For vehicle applications, the service pressure of hydrogen storage vessels is normally under 35 o r 70 M P a [60, 61]. Utilizing 70 M P a vessels will increase the volumetric storage density to about 38 k g / m 3 compared to 23 k g / m 3 at 35 M P a and with a negligible increase in the energy needed for compression .

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