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Japan has made important new developments in solar power generation technology. Ikeda, a professor at Okayama University in Japan who previously published iron oxide compound solar power generation technology in January 2011, has continued to push forward this development.
He claims that this technology will absorb 100 times more light than the Solar-based solar power generation technology. At the same time, the cost will be low, and the target cost of generating one kilowatt of electricity will be 1,000 yen, which is considered as an important technology in the future.
Ikeda pointed out that this type of battery can absorb infrared light to generate electricity. In addition to sunlight, it can use various heat sources to generate electricity, and it has the characteristics of being flexible and stretchable. It is expected that the range of future installations will be wider.
This technology uses iron oxide compounds (Green Ferrite), and the technology focuses on applying powdery compounds to metals. It is expected that it will be officially put into commercial use in 2013.
The power generation principle of this technology is that a combination of two positive and negatively charged semiconductors absorbs light that is absorbed by the negatively charged semiconductor surface and repels negatively charged electrons in the semiconductor. The electrons move to a positively charged semiconductor surface using an external circuit, which generates electricity.
The electrons accumulated on the iron oxide compounds maintain a delicate balance. Once they are exposed to light, their balance is broken, and a large number of electrons move instantaneously. Therefore, the amount of electricity generated by the same amount of light will be greatly increased.
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