Enum: HydrogenStorageMethod

Methods for storing hydrogen for later use or transport.

Permissible Values

Value	Meaning	Description
COMPRESSED_GAS	None	Storage of hydrogen as compressed gas at high pressure (350-700 bar) in press...
LIQUID_HYDROGEN	None	Storage of hydrogen in liquid form at cryogenic temperatures (-253C)
METAL_HYDRIDE	None	Storage of hydrogen absorbed into metal alloys forming metal hydrides
CHEMICAL_HYDRIDE	None	Storage as chemical compounds (ammonia, methanol, LOHC) that release hydrogen...
UNDERGROUND_STORAGE	None	Large-scale storage in salt caverns, depleted gas fields, or aquifers for gri...
CRYO_COMPRESSED	None	Hybrid approach combining cryogenic cooling with high pressure for improved d...

Slots

Name	Description
hydrogen_storage_method	Method used to store hydrogen

Identifier and Mapping Information

Schema Source

from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: HydrogenStorageMethod
instantiates:
- valuesets_meta:ValueSetEnumDefinition
description: Methods for storing hydrogen for later use or transport.
title: Hydrogen Storage Method
from_schema: https://w3id.org/linkml/valuesets
contributors:
- orcid:0000-0002-6601-2165
- https://github.com/anthropics/claude-code
status: DRAFT
rank: 1000
permissible_values:
  COMPRESSED_GAS:
    text: COMPRESSED_GAS
    description: Storage of hydrogen as compressed gas at high pressure (350-700 bar)
      in pressure vessels.
    annotations:
      pressure_bar:
        tag: pressure_bar
        value: 350-700
      maturity:
        tag: maturity
        value: commercial
    title: Compressed Gas Storage
    aliases:
    - CGH2
  LIQUID_HYDROGEN:
    text: LIQUID_HYDROGEN
    description: Storage of hydrogen in liquid form at cryogenic temperatures (-253C).
      Higher energy density but requires insulation.
    annotations:
      temperature_c:
        tag: temperature_c
        value: -253
      maturity:
        tag: maturity
        value: commercial
    title: Liquid Hydrogen Storage
    aliases:
    - LH2
  METAL_HYDRIDE:
    text: METAL_HYDRIDE
    description: Storage of hydrogen absorbed into metal alloys forming metal hydrides.
      Safer but heavier than compressed gas.
    annotations:
      maturity:
        tag: maturity
        value: commercial
    title: Metal Hydride Storage
  CHEMICAL_HYDRIDE:
    text: CHEMICAL_HYDRIDE
    description: Storage as chemical compounds (ammonia, methanol, LOHC) that release
      hydrogen when processed.
    title: Chemical Hydride Storage
    aliases:
    - LOHC
    - Liquid Organic Hydrogen Carrier
  UNDERGROUND_STORAGE:
    text: UNDERGROUND_STORAGE
    description: Large-scale storage in salt caverns, depleted gas fields, or aquifers
      for grid-scale applications.
    annotations:
      scale:
        tag: scale
        value: utility
    title: Underground Storage
    aliases:
    - Geological Storage
  CRYO_COMPRESSED:
    text: CRYO_COMPRESSED
    description: Hybrid approach combining cryogenic cooling with high pressure for
      improved density.
    annotations:
      maturity:
        tag: maturity
        value: emerging
    title: Cryo-Compressed Storage
    aliases:
    - CcH2