Analog photosynthesis water can be turned into fuel

“I believe that one day we can use water as fuel, and the hydrogen and oxygen that make up the water can be used alone or together... Water will be the coal of the future.” This is a science fiction novel "Mysterious Island" 100 years ago. One of the prophecies. Artificially simulating photosynthesis in nature and using the visible light of the sun to decompose water into hydrogen and oxygen. The newly elected academician of the Chinese Academy of Sciences and Professor Zou Zhigang of Nanjing University have abandoned Japan’s superior scientific research and living conditions more than a decade ago to engage in research on photocatalytic materials. Is committed to making this prophecy from a dream into a reality.

Hydrogen is called "green fuel." It was derived from water, returned to water after combustion, and was recognized as the best alternative to petroleum and coal. In 1972, two scientists at the University of Tokyo in Japan discovered that under UV light, titanium dioxide single crystal electrodes can cause water to decompose under normal temperature and pressure, producing hydrogen and oxygen. Since then, "photodecomposition of water to make hydrogen" has become a hot topic of scientific research. Over the past 30 years, despite the unremitting efforts and efforts made by scientists from all over the world, the conversion rate of photodecomposition and hydrogen production from water is still low.

To address this challenge, Zou Zhigang's task force has developed a new generation of photocatalytic materials. "It is expected that by the end of the second phase of the 973 project, our photocatalytic hydrogen production conversion rate will reach 8%, which is close to the 10% commercialization target set by the US Department of Energy. The Chinese people are expected to take the lead in realizing the dreams of humanity 100 years ago. "Zou Zhigang said.

At the National Science and Technology Awards Conference last year, Zou Zhigang’s team won the second prize for natural science. "What will happen after the hydrogen energy is produced? We will next apply the development of technologies such as fuel cell technologies, and eventually we will produce and utilize hydrogen energy at low cost, high efficiency, and environmental friendliness."

Speaking of his own life outlook, Zou Zhigang said that he only wanted to do a solid job and do a good job of his work, continue to deepen the research of photocatalytic materials, do a good job of the teachers, and train the students well. Feeling in his own life experience, Zou Zhigang showed two characteristics in the cultivation of students. One is interest and the other is details.

“Our career is accompanied by people for the most part of their lives. If there is no interest as a spiritual support, careers and careers will eventually lose momentum.” Zou Zhigang encourages students to start from their own interests and choose the frontier issues of their own. “They follow my subject to do research and certainly cannot go beyond it.” I only found a new research direction that may lead to breakthroughs in order to be 'blue and blue rather than blue'.' (Reporter Tan Jieming Liu Chengan Lumeng)

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