Japan Develops New Technologies, Artificial Photosynthesis Efficiency Can Overcome Plants
According to Japanese media reports, in recent days, a Japanese research and development company has increased its energy conversion efficiency to the highest global level of 4.6% in terms of "artificial light synthesis" technology that uses water and carbon dioxide as raw materials to synthesize useful substances using sunlight. In the future, we will strive to increase conversion efficiency to more than 10% of the level of practical use. According to reports, the agency has developed a catalyst that uses a precious metal rhodium catalyst on one side of a semiconductor substrate and a rhodium on the other side.
Put it into water, add carbon dioxide and use sunlight to achieve a high efficiency of synthetic chemical raw materials formic acid.
It is understood that the performance of artificial light synthesis depends on the energy ratio at which the irradiated light energy can be converted into a useful substance.
The previous highest conversion efficiency was 1.5% conversion efficiency achieved by Toshiba in the artificial photosynthesis of synthetic carbon monoxide, this time exceeding this level. Plants can also form energy sources through photosynthesis, of which the most efficient is sugar cane (about 3%), and this time it has exceeded this level.
It is reported that the agency first realized artificial light synthesis in 2011, when the conversion efficiency was only 0.04%. In order to achieve high efficiency, the agency has developed components that fully adjust the material and structure, increasing the efficiency by more than 100 times.
Researchers said that "for the application of artificial light synthesis, research will become more and more active." The company will discuss the synthesis of ethanol that can be directly used as fuel.
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