Research direction of large-scale layout of hydrogen energy storage

What are the options for the large-scale storage of hydrogen?

In this article, options for the large-scale storage of hydrogen are reviewed and compared based on fundamental thermodynamic and engineering aspects. The application of certain storage technologies, such as liquid hydrogen, methanol, ammonia, and dibenzyltoluene, is found to be advantageous in terms of storage density, cost of storage, and safety.

Is hydrogen stored on a large scale?

Previous work related to the storage of hydrogen on a large scale is relatively scarce. Most of this work focuses on underground storage, with a few exceptions.

What are the different storage and transportation methods for hydrogen?

Then, the different storage and transportation methods (compressed hydrogen storage, liquid hydrogen, blending hydrogen into natural gas pipelines and ammonia as a large-scale green hydrogen carrier) are analyzed, as well as an evaluation of the challenges and opportunities for large-scale deployment.

How much hydrogen is needed for a large-scale hydrogen energy storage system?

Our system analysis showed that storage needs are in the two-digit terawatt hour and gigawatt range. Other reports confirm that assessment by stating that by 2040, 40 TWh would be required for this application. The present chapter outlines the general components and functions as well as the economics of a large-scale hydrogen energy storage system.

Which green hydrogen storage projects are underway worldwide?

Several green hydrogen storage projects are underway worldwide, as shown in Table 1. Energiepark Mainz is funded by German Federal Ministry for Economic Affairs and Energy to investigate and demonstrate large-scale hydrogen production from renewable energy for various use cases.

What is large-scale green hydrogen storage & transportation technology?

Large-scale green hydrogen storage and transportation technology Large-scale green hydrogen storage and transportation are crucial challenges for developing a sustainable energy economy.