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Science Forum Index » Energy - Hydrogen Forum » Noble metals in hydrogen energy
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Message |
| jai |
 Posted: Wed Apr 23, 2008 3:34 am |
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Guest
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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 |
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| theloneranger100@aol.com |
| Posted: Wed Apr 23, 2008 12:36 pm |
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Guest
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"jai" <cmjayakumar@gmail.com> wrote in message
news:62987383-312d-41bc-8560-b2c8b2597023@a5g2000prg.googlegroups.com...
Quote: 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
There is no way that they will store energy. They can only
transfer electrons better but not always true, because they have
variable charges, it's a waste to use them. |
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| Fred Kasner |
| Posted: Wed Apr 23, 2008 2:28 pm |
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Guest
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jai wrote:
Quote: 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 |
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| Don Lancaster |
| Posted: Thu Apr 24, 2008 12:18 pm |
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Fred Kasner wrote:
Quote: 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.
--
Many thanks,
Don Lancaster voice phone: (928)428-4073
Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552
rss: http://www.tinaja.com/whtnu.xml email: don@tinaja.com
Please visit my GURU's LAIR web site at http://www.tinaja.com |
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| Fred Kasner |
| Posted: Thu Apr 24, 2008 3:05 pm |
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Guest
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Don Lancaster wrote:
Quote: 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 |
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| Don Lancaster |
| Posted: Thu Apr 24, 2008 6:07 pm |
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Guest
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Fred Kasner wrote:
Quote: 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
--
Many thanks,
Don Lancaster voice phone: (928)428-4073
Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552
rss: http://www.tinaja.com/whtnu.xml email: don@tinaja.com
Please visit my GURU's LAIR web site at http://www.tinaja.com |
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| Fred Kasner |
| Posted: Fri Apr 25, 2008 2:14 pm |
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Guest
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Don Lancaster wrote:
Quote: 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 |
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