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pi3141 25-08-2014 09:02 PM

Water Splitter - Stanford University
I don't know what to say! :)


Stanford Report, August 22, 2014

Stanford scientists develop water splitter that runs on ordinary AAA battery

Hongjie Dai and colleagues have developed a cheap, emissions-free device that uses a 1.5-volt battery to split water into hydrogen and oxygen. The hydrogen gas could be used to power fuel cells in zero-emissions vehicles.

By Mark Shwartz

Now scientists at Stanford University have developed a low-cost, emissions-free device that uses an ordinary AAA battery to produce hydrogen by water electrolysis. The battery sends an electric current through two electrodes that split liquid water into hydrogen and oxygen gas. Unlike other water splitters that use precious-metal catalysts, the electrodes in the Stanford device are made of inexpensive and abundant nickel and iron.

"Using nickel and iron, which are cheap materials, we were able to make the electrocatalysts active enough to split water at room temperature with a single 1.5-volt battery," said Hongjie Dai, a professor of chemistry at Stanford. "This is the first time anyone has used non-precious metal catalysts to split water at a voltage that low. It's quite remarkable, because normally you need expensive metals, like platinum or iridium, to achieve that voltage."

In addition to producing hydrogen, the novel water splitter could be used to make chlorine gas and sodium hydroxide, an important industrial chemical, according to Dai. He and his colleagues describe the new device in a study published in the Aug. 22 issue of the journal Nature Communications.

Link - http://news.stanford.edu/news/2014/a...el-082014.html

pi3141 29-01-2019 04:45 AM



Stanford scientists develop low-cost water splitter

Link - https://news.stanford.edu/news/2014/...deos/1395.html

oz93666 29-01-2019 04:58 AM

The people who wrote that article clearly have no understanding of science or electrolysis ... the "researcher" is just someone who is trying to justify his funding and position and knows people are so ignorant of the subject they will not call him out ...

Electrolysis has always been possible with an AA battery ... all this guy claims is to have developed a new alloy for the electrodes ....big deal ...irrelevant.

This will change nothing , electricity still has to be generated to electrolize the water, more energy to compress and store and transport dangerous H2 ....

H2 as a fuel has been proved unworkable ... the car industry is already moving to Lithum battery powered vehicles.

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