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Gallium nitride extracts hydrogen from water.(Electronics)
The inventor of the blue light-emitting diode (LED) and a research team from the Tokyo University of Science have succeeded in producing hydrogen from water through the use of gallium nitride (GaN) crystals.
The researchers connected GaN crystals with platinum using wire, then immersed these in water. They found that when light is applied to the GaN, electricity flows through the water and causes it to decompose into oxygen and hydrogen through electrolysis.
The rate of conversion efficiency (the ratio of hydrogen produced to the energy used to shine the light) is currently a low figure of 0.5-0.7%.
"Theoretically, this can be raised to more than 20%", said Kazuhiro Ohkawa, a professor at the Tokyo University of Science, who played a leading role in the research. The minimum conversion ...
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Source: HighBeam Research, Gallium nitride extracts hydrogen from water.(Electronics)