Hydrogen Gas Generator: Difference between revisions
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*At 4 atmospheres, can fill a 1000 gallon propane tank - in 4 days. At 1 atmosphere - one day! | *At 4 atmospheres, can fill a 1000 gallon propane tank - in 4 days. At 1 atmosphere - one day! | ||
*$3500 of generators (same as above but at $700/unit) gets us 1.5 kWhr of usable storage with a generator. That is the same cost as a 20kW new battery bank - which can last 10 years in off-grid apps. We are a factor of 13x higher capital cost than batteries at this stage - which can be solved only by reducing cost of hydrogen generation equipment. | *$3500 of generators (same as above but at $700/unit) gets us 1.5 kWhr of usable storage with a generator. That is the same cost as a 20kW new battery bank - which can last 10 years in off-grid apps. We are a factor of 13x higher capital cost than batteries at this stage - which can be solved only by reducing cost of hydrogen generation equipment. | ||
*Ideal conditions - 40kWhr to generate 1 kg of hydrogen - [https://www.nrel.gov/docs/fy09osti/44103.pdf] | |||
*Look at basic capital cost from last link: | |||
[[File:capitalhydrogen.png]] | |||
=Links= | =Links= | ||
*[[Solar Hydrogen Production]] | *[[Solar Hydrogen Production]] | ||
*[[Hydrogen Compression]] | *[[Hydrogen Compression]] | ||
Revision as of 19:39, 18 November 2020
- 99.9% purity, 500ml/min, 4 atmosphere. [1].
- At 4 atmospheres, can fill a 1000 gallon propane tank - in 4 days. At 1 atmosphere - one day!
- $3500 of generators (same as above but at $700/unit) gets us 1.5 kWhr of usable storage with a generator. That is the same cost as a 20kW new battery bank - which can last 10 years in off-grid apps. We are a factor of 13x higher capital cost than batteries at this stage - which can be solved only by reducing cost of hydrogen generation equipment.
- Ideal conditions - 40kWhr to generate 1 kg of hydrogen - [2]
- Look at basic capital cost from last link:
