HY2CAPS

About the project

Date:

2024 - 2026

Typology:

R+D+I

Programme:

HAZITEK

Category:

Storage

Partners:

Team Ingeniería (Leader), Tubacex, Viuda de Sainz

Collaborators:

Tecnalia, Tubacex Innovación

Description

Within the hydrogen value chain, much emphasis is being placed on generation by electrolysis, its transport to places of consumption and the end uses linked to energy generation, without the storage needs of relevant quantities for its supply being addressed in such an exhaustive manner.

The opportunity for HY2CAPS to develop a form of underground storage of hydrogen in capsules arises from the problematic medium to large-scale hydrogen storage needs that are beginning to manifest themselves in the industrial environment, due to the increasing demand for green hydrogen as an energy carrier, in addition to its current use as a raw material for industrial processes.

Scope & Objective

In this sense, the HY2CAPS project aims to study and evaluate the storage of hydrogen in buried metallic capsules (underground tanks), taking advantage of the characteristics of the ground to absorb part of the mechanical stresses usually borne by surface storage tanks, which entails technological, constructive and scaling advantages in relation to the current form of hydrogen storage on an industrial scale.

The HY2CAPS project pursues these main technical and scientific objectives:

Capsule design for underground H2 storage
Use of the soil as a confining element that helps the metal container to improve its storage performance.
Capsule-to-ground element design
Study and evaluation of hydrogen storage in buried metallic capsules, considering the gas pressure and the characteristics of the capsules and the ground.
Establish a system of standardisation of the capsule implantation process.