Home > Press > Producing hydrogen from water with carbon/charcoal powder
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| Powder from inexpensive, high-grade charcoal can be used to make hydrogen gas, a development that could help pave the way toward the touted “hydrogen economy.” Credit: Photodisc/Thinkstock. |
Abstract:
In the latest advance in efforts to find an inexpensive way to make hydrogen from ordinary water — one of the keys to the much-discussed "hydrogen economy" — scientists are reporting that powder from high-grade charcoal and other forms of carbon can free hydrogen from water illuminated with laser pulses. A report on the discovery appears in ACS' Journal of Physical Chemistry C.
Producing hydrogen from water with carbon/charcoal powder
Washington, DC | Posted on August 28th, 2013Ikuko Akimoto and colleagues point out that traditional approaches to breaking down water, which consists of hydrogen and oxygen, involve use of expensive catalysts or electric current passed through water. Since economical production of hydrogen from water could foster a transition from coal, oil and other fossil fuels, scientists have been searching for less expensive catalysts. Those materials speed up chemical reactions that otherwise would not work effectively. Based on hints from research decades ago, the scientists decided to check out the ability of carbon powder and charcoal powder, which are inexpensive and readily available, to help split hydrogen gas from oxygen in water.
Akimoto's team tested carbon and charcoal powders by adding them to water and beaming a laser in nanosecond pulses at the mixtures. The experiment generated hydrogen at room temperature without the need for costly catalysts or electrodes. Its success provides an alternative, inexpensive method for producing small amounts of hydrogen from water.
The authors acknowledge funding from the Original Research Support Project of Wakayama University.
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Contacts:
Michael Bernstein
202-872-6042
Ikuko Akimoto, Ph.D.
Sakaedani 930
Wakayama 640-8510
Japan
Phone: +81-73-457-8295
Copyright © American Chemical Society
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