Re: Noble metals in hydrogen energy

Don Lancaster wrote:
Fred Kasner wrote:
Don Lancaster wrote:
Fred Kasner wrote:
jai wrote:
Hi,
I am working on seperation chemsitry of platinum noble metals, namely
Pd, Rh, Ru. I learn that these metals are of wide interest in fuel
cells, etc due to their hydrogen stroage capacity. I have some queries
regarding this.

Does anyone working on using these metals for hydrogen storage and
energy?

cm

A storage medium (not very good storage at that) is not what very expensive Au, Pt, etc., are good for. LaNi5 (lanthanum nickel five) is a good absorber of H2 but still expensive.
FK

The best hydrogen storage media are heptane and iso-octane.

Nothing else comes remotely close for storage density.
Nor is anything ever likely to.


Don, what about the C load in that storage container? How do you combust only the H in the CxHy compound? The water cycle will take care of the heavier load of the H2O in the atmosphere. But (and I don't believe that CO2 is the main cause of the global warming) how do you avoid producing too much additional CO2 if you want to use H as a fuel?
FK

By sourcing the heptane or isooctane in a carbon neutral manner.

Carbon neutral makes infinitely more sense than carbon free because (1) the carbon appears to be essential for proven safe storage as a dense room temperature liquid, and (2) a significant portion of the energy is carbon based.

Carbon free ain't gonna hack it.

http://www.tinaja.com/glib/morenrgf.pdf




Carbon neutral? How? Almost all the claims of carbon neutrality are a snare and a delusion. As for CO2 sequestration I see this as a major disaster in the making. Remember the African lake that belched a big bubble of CO2 that killed several villages of people. I can see the same people who are scared to death about storage of nuclear reactor waste embracing storage of CO2 waste in the ground and not understanding how many people would die before a big emission bubble had diluted enough to no longer be a major danger to high density population regions. Swimming pools storage of nuclear waste will put off for a very long time the energy shortage problem. And during that time the inability to develop new biocides for bacteria and virii will reduce the world population enough to diminish the food and fuel limitation problems.
FK
.

Relevant Pages

  • Re: Noble metals in hydrogen energy
    ... I am working on seperation chemsitry of platinum noble metals, ... A storage medium is not what very expensive Au, Pt, etc., are good for. ... Carbon neutral makes infinitely more sense than carbon free because the carbon appears to be essential for proven safe storage as a dense room temperature liquid, and a significant portion of the energy is carbon based. ...
    (sci.energy.hydrogen)
  • Re: Noble metals in hydrogen energy
    ... I am working on seperation chemsitry of platinum noble metals, ... A storage medium is not what very expensive Au, Pt, etc., are good for. ... The water cycle will take care of the heavier load of the H2O in the atmosphere. ... But (and I don't believe that CO2 is the main cause of the global warming) how do you avoid producing too much additional CO2 if you want to use H as a fuel? ...
    (sci.energy.hydrogen)
  • carbon sequestration....an infant technology....will it work?
    ... sequestered CO2 could form an acid that could etch away the confining ... become part of the solution," said Fjaeran of Statoil. ... largest carbon-capture and storage operations. ... project's cost stems from its carbon storage plan, ...
    (uk.politics.misc)
  • Re: hello there everybody!!
    ... Even after alternates overwhelm the grid storage capabilities, pumped storage here today is ridiculously and ludicrously more efficient than hydrogen on all counts. ... It is profitable because the ingoing water costs two cents per kwh and the outgoing costs eight cents per kwh. ... Terrestral hydrogen is ONLY an energy ... "Carbon Neutral" solutions would appear better ...
    (sci.energy.hydrogen)
  • Re: Noble metals in hydrogen energy
    ... I am working on seperation chemsitry of platinum noble metals, ... etc due to their hydrogen stroage capacity. ... A storage medium is not what very expensive Au, Pt, etc., are good for. ...
    (sci.energy.hydrogen)