Xi'an Jiaotong University held the first press conference for scientific and technological achievements in 2019. Photo by Guo Xiaolong
"Smart phones have become daily necessities. Low battery power, slow charging, and inconvenience of charging treasures are often the" pain points "we encounter." Wu Zhaoxin, a professor at the School of Telecommunications of Xi'an Jiaotong University, told reporters on the 8th that with the flexible thin film perovskite In the research and development of solar cells, these problems may be solved. In the future, people can even wear batteries on their bodies.
On the same day, Xi'an Jiaotong University held the first press conference of the scientific and technological achievements in 2019, and showed two scientific and technological achievements of flexible thin-film perovskite solar cells and structured light 3D depth cameras.
Perovskite solid-state solar cells have the characteristics of high efficiency, low cost, and simple preparation process. The low-temperature preparation process of perovskite solar cells has also become the first choice for the preparation of flexible, lightweight, and efficient thin-film solar cells.
Wu Zhaoxin said that this technology is suitable for doing on some flexible, thin and light substrates, so it can make flexible mobile power, outdoor rechargeable power and wearable electronic devices. This technology can turn a mobile power supply into the size of a business card and even transform clothes into solar cells.
"Since the beginning of research and development in 2013, we have increased the conversion efficiency of flexible thin-film perovskite solar cells to 19%." Wu Zhaoxin said that he hopes that the batteries can be mass-produced as soon as possible for the development of civil emergency, military, and green urban landscape lighting. make a contribution.
Ge Chenyang, associate professor of the Institute of Artificial Intelligence and Robotics, School of Telecommunications, Xi'an Jiaotong University, introduced the working principle, application field and market value of structured light 3D depth camera technology.
Ge Chenyang said that as a "portal device" for the real physical world to interact with the virtual network world, the depth camera can make the machine or smart device have 3D visual perception capabilities similar to the human eye, which will help to realize the natural interaction between human and machine , The virtual interaction between people and the online world, and even the interaction between machines.
"When we go home, through the depth camera technology, the air conditioner can adjust the most suitable temperature and wind direction according to the person's body temperature, and the TV can broadcast programs according to habits to achieve personalized service of household appliances." Ge Chenyang believes that this technology can be widely used In the fields of drones, 3D printing, robots, smart homes, face recognition payment, etc., it provides technical support for people's fast life. (Party Field Alina)
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