Preparing hydrogen for cryo-adsorber storage
US7674320B2 · kind B2 · utility
3Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2007 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Mar 10, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S420/90
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Hydrogen gas at a hydrogen refueling site is cooled below liquid nitrogen temperature (e.g., about 80K) for more efficient adsorption of hydrogen on hydrogen adsorbent particles in the fuel storage of a hydrogen powered vehicle. When compressed hydrogen gas is available it may be cooled with liquid nitrogen and then sub-cooled below about 70K by a Joule-Thompson expansion. When liquid hydrogen provides hydrogen gas it may be cooled below liquid nitrogen temperatures by mixing with liquid hydrogen or by heat exchange with liquid hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.