Eureka - Purdue scientists turn water into hydrogen on the cheap - Mercedes-Benz Forum

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post #1 of 36 (permalink) Old 05-18-2007, 01:56 PM Thread Starter
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Eureka - Purdue scientists turn water into hydrogen on the cheap

This is a fascinating story - hopefully it's not modern day cold fusion.

http://news.com.com/8301-10784_3-972...g=2547-1_3-0-5

In what looks like an example of modern-day alchemy, scientists at Purdue University in Indiana have come up with a way of turning water in hydrogen using an aluminum alloy. If the process is replicable on a large scale, it could have a massive impact on the market for hydrogen fuel cell-powered cars, which could use the technology as a source of on-board hydrogen generation.

The process relies on the use of aluminum pellets, which are mixed into liquid gallium (a metal that liquefies at just over room temperature) to produce a liquid aluminum-gallium. When water is added to the compound, the aluminum reacts with the oxygen to form a gel as well as free-standing hydrogen, which can be collected and used to power a fuel cell. According to EDN, an Indiana-based start-up already has a license to commercialize the technology.

Many of the major auto makers including Honda, and General Motors, have invested heavily in developing fuel cell-powered cars. However, to date hydrogen has faced significant obstacles to becoming a viable alternative to gasoline, principally the expensive (and often carbon-fueled) process of isolating it, and the lack of a fueling infrastructure. The Purdue development has the potential to address both of these issues.

The Purdue announcement is the latest development in the race to create sustainable, on-demand sources of hydrogen. Earlier this year, a start up company called Ecotality announced that it had enlisted the help of NASA's Jet Propulsion Laboratory to develop an advanced hydrogen-production process using magnesium and water.
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post #2 of 36 (permalink) Old 05-18-2007, 02:32 PM
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Do you have any idea how much energy it takes to make aluminum? When will these idiots give up trying to get something for nothing?

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post #3 of 36 (permalink) Old 05-18-2007, 02:52 PM
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Originally Posted by QBNCGAR
This is a fascinating story - hopefully it's not modern day cold fusion.

Eureka! Purdue scientists turn water into hydrogen | Tech news blog - CNET News.com

In what looks like an example of modern-day alchemy, scientists at Purdue University in Indiana have come up with a way of turning water in hydrogen using an aluminum alloy. If the process is replicable on a large scale, it could have a massive impact on the market for hydrogen fuel cell-powered cars, which could use the technology as a source of on-board hydrogen generation.

The process relies on the use of aluminum pellets, which are mixed into liquid gallium (a metal that liquefies at just over room temperature) to produce a liquid aluminum-gallium. When water is added to the compound, the aluminum reacts with the oxygen to form a gel as well as free-standing hydrogen, which can be collected and used to power a fuel cell. According to EDN, an Indiana-based start-up already has a license to commercialize the technology.

Many of the major auto makers including Honda, and General Motors, have invested heavily in developing fuel cell-powered cars. However, to date hydrogen has faced significant obstacles to becoming a viable alternative to gasoline, principally the expensive (and often carbon-fueled) process of isolating it, and the lack of a fueling infrastructure. The Purdue development has the potential to address both of these issues.

The Purdue announcement is the latest development in the race to create sustainable, on-demand sources of hydrogen. Earlier this year, a start up company called Ecotality announced that it had enlisted the help of NASA's Jet Propulsion Laboratory to develop an advanced hydrogen-production process using magnesium and water.

Modern day shell game, Fuel Cell technology just moves the burn site.
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post #4 of 36 (permalink) Old 05-18-2007, 03:01 PM
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post #5 of 36 (permalink) Old 05-18-2007, 03:30 PM
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Do you have any idea how much energy it takes to make aluminum? When will these idiots give up trying to get something for nothing?
Finally waking up to the fact that energy doesn't come easy huh?
How about we use windmills to generate electric energy, and use that power to energize the furnaces that make the aluminum, or are you afraid we'll kill too many birds as they fly through the windmill blades?
Of course there's always the extention cords we can drag behind our cars and planes isn't there?

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post #6 of 36 (permalink) Old 05-18-2007, 03:47 PM
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Finally waking up to the fact that energy doesn't come easy huh?
How about we use windmills to generate electric energy, and use that power to energize the furnaces that make the aluminum, or are you afraid we'll kill too many birds as they fly through the windmill blades?
Of course there's always the extention cords we can drag behind our cars and planes isn't there?
Me wake up? Dude my eyes are WIDE open. There are so many issues with hydrogen; making it with aluminum is just one of the more stupid ones to ooze out of the woodwork. Hydrogen is not only NOT a fuel, it's a piss-poor energy transfer medium. Electric cars charged with electricity derived from renwables, and IC engine cars powered with renewable liquid fuels beat hydrogen hands-down in terms of efficiency, safety and range.

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post #7 of 36 (permalink) Old 05-18-2007, 04:06 PM
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Me wake up? Dude my eyes are WIDE open. There are so many issues with hydrogen; making it with aluminum is just one of the more stupid ones to ooze out of the woodwork. Hydrogen is not only NOT a fuel, it's a piss-poor energy transfer medium. Electric cars charged with electricity derived from renwables, and IC engine cars powered with renewable liquid fuels beat hydrogen hands-down in terms of efficiency, safety and range.
And which of all those fuels you didn't mention have ZERO emissions?
By the way, if hydrogen isn't a fuel, what did they use to get the Saturn launch vehicle off the ground?

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post #8 of 36 (permalink) Old 05-21-2007, 03:21 PM
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What, no response 300D?

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post #9 of 36 (permalink) Old 05-21-2007, 03:40 PM
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And which of all those fuels you didn't mention have ZERO emissions?
By the way, if hydrogen isn't a fuel, what did they use to get the Saturn launch vehicle off the ground?
None of them. Tell me, if hydrogen is a fuel source, where is it mined? Nowhere is free H2 available, one must put energy into it, at a loss, to use it as a fuel. Makes zero sense.

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post #10 of 36 (permalink) Old 05-21-2007, 05:37 PM
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None of them. Tell me, if hydrogen is a fuel source, where is it mined? Nowhere is free H2 available, one must put energy into it, at a loss, to use it as a fuel. Makes zero sense.
I never said it was a fuel source, YOU said it was not a fuel:
Hydrogen is not only NOT a fuel, it's a piss-poor energy transfer medium.
That clearly is wrong isn't it........... The point in this "discussion" was a nonpolluting FUEL, and hydrogen fits that discription, doesn't it.

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