Reply With QuoteYour origional link is broken..
Here's the updated one: LINKIE
Hydrogen Pellets?
It looks like somebody has figured out how to store hydrogen in pellet form.
"A group of scientists are going to present their breakthrough in hydrogen storage this Wednesday. In contrast to previous storage mechanisms, this method binds hydrogen to a pellet which is completely safe to handle at room temperature. While bound in this medium no hydrogen loss occurs, enabling hydrogen to be stored cheaply for indefinite periods. When needed, the extraction of hydrogen is relatively simple. The pellets exceed all criteria set by the US Department of Energy for 2015, enabling a car to drive more than 500 km on a 50 L tank (13 MJ/l)"
LINKIE.
I don't know enough about the physics/costs involved to have an educated opinion on this, but it seems like this would move us one step closer to hydrogen-powered cars, since the pellets are stable at room temperature. Then again, actually making the pellets might take more energy than they provide.
Slashdot has some smart-sounding talk on the subject.
S.
Your origional link is broken..
Here's the updated one: LINKIE
--
Dave"Opinions are like
..."
I think there is a process involving an aluminum ladder, but I could be wrong.Originally Posted by onething
There is an interesting editorial on hydrogen power in the new issue of Car & Driver (I think it's Bedard's column). According to the column, when you look at the energy cycle from "plant-to-pipe" of hydrogen versus conventional gasoline, using typical efficiencies, hydrogen is actually two to four times less efficient than gasoline.It looks like somebody has figured out how to store hydrogen in pellet form.
"A group of scientists are going to present their breakthrough in hydrogen storage this Wednesday. In contrast to previous storage mechanisms, this method binds hydrogen to a pellet which is completely safe to handle at room temperature. While bound in this medium no hydrogen loss occurs, enabling hydrogen to be stored cheaply for indefinite periods. When needed, the extraction of hydrogen is relatively simple. The pellets exceed all criteria set by the US Department of Energy for 2015, enabling a car to drive more than 500 km on a 50 L tank (13 MJ/l)"
LINKIE.
I don't know enough about the physics/costs involved to have an educated opinion on this, but it seems like this would move us one step closer to hydrogen-powered cars, since the pellets are stable at room temperature. Then again, actually making the pellets might take more energy than they provide.
Slashdot has some smart-sounding talk on the subject.
S.
What's that mean to the layman? It means that in order for us to use hydrogen power at the current rate we use gasoline, coal-fired power plant emissions would more than double... or we could dam up every river on the continent for hydroelectricity, and turn the entire Midwest into one gigantic windfarm.
Sure, technological advances would improve that efficiency to a degree, but the reality is that hydrogen will probably never be as efficient a fuel as gasoline, because it takes tremendous amounts of energy to convert free hydrogen into a readily transportable fuel medium (liquefy it and store it a really low temperatures, compress it to 4000, 5000, or 10,000 psi, or convert it to a solid form).
The irony is that, if we happened to currently live in a hydrogen-powered transportation network today, the advent of gasoline powered engines would probably be seen as a major environmental miracle, because they are much more energy efficient.
Not to mention the fact that we'd have to build a hydrogen-based infrastructure form the ground up.
Personally, I believe that we'd be much better served by taking the money we're currently using on hydrogen research and instead investing it into high-efficiency, lean-burn, direct-injection diesel and gasoline engine research.
Iain
"We don't stop playing because we grow old, we grow old because we stop playing." - George Bernard Shaw
Study this picture for hints and tips.I don't see how that would work.
Well, if the guy falls off the ladder, he might see stars and stars are hydrogen fire balls if I remember correctly what my 8th grade science teacher said. If that is where you were going, I still don't get it.Study this picture for hints and tips.
OTOH,I'm recovering from a head injury
and not thinking clearly today. Just ask my students.
What happen, fall off a ladder?OTOH,
Labor day at Onethings.What happen, fall off a ladder?
Labor day at Onethings.
Luckily, the dogs weren't hurt. Just onethang.Labor day at Onethings.
POS where do you find these pictures?
Iain
"We don't stop playing because we grow old, we grow old because we stop playing." - George Bernard Shaw
He's doing what I'm doing... wasting company bandwidth.POS where do you find these pictures?
Yeah POS All I found on google was this:POS where do you find these pictures?
There is an interesting editorial on hydrogen power in the new issue of Car & Driver (I think it's Bedard's column). According to the column, when you look at the energy cycle from "plant-to-pipe" of hydrogen versus conventional gasoline, using typical efficiencies, hydrogen is actually two to four times less efficient than gasoline.
What's that mean to the layman? It means that in order for us to use hydrogen power at the current rate we use gasoline, coal-fired power plant emissions would more than double... or we could dam up every river on the continent for hydroelectricity, and turn the entire Midwest into one gigantic windfarm.
Sure, technological advances would improve that efficiency to a degree, but the reality is that hydrogen will probably never be as efficient a fuel as gasoline, because it takes tremendous amounts of energy to convert free hydrogen into a readily transportable fuel medium (liquefy it and store it a really low temperatures, compress it to 4000, 5000, or 10,000 psi, or convert it to a solid form).
The irony is that, if we happened to currently live in a hydrogen-powered transportation network today, the advent of gasoline powered engines would probably be seen as a major environmental miracle, because they are much more energy efficient.
Not to mention the fact that we'd have to build a hydrogen-based infrastructure form the ground up.
Personally, I believe that we'd be much better served by taking the money we're currently using on hydrogen research and instead investing it into high-efficiency, lean-burn, direct-injection diesel and gasoline engine research.
Daily Driver: 2013 Club edition in Pearl White Mica
Lightness? What's that? I drive a PRHT!
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