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According to relevant media reports, a research team from the Helmholtz Center in Berlin, Germany, and Humboldt University has jointly developed a new type of perovskite stacked battery. This battery has broken the world record for similar batteries with a photoelectric conversion efficiency of 24.6%. In the solar cell family, in addition to silicon-based solar cells, there are also thin-film so...
Energy conversion technology is an important research direction in modern science and engineering. Scientists are exploring new catalytic chemical methods to achieve the conversion of energy chemicals, such as photocatalysis and electrocatalysis. However, these highly anticipated catalytic chemistry technologies still have some problems in practical applications, and there is still a certain dista...
China's laser industry began in the 1980s, when the first private laser enterprise, Chutian Industrial Laser, was founded in 1985 by Sun Wen, an alumnus of Huazhong University of Science and Technology. In the 1990s, some young people with dreams began to make their mark in the laser industry. In 1995, Gao Yunfeng, 29, rented an apartment in Huaqiangbei with a deposit of 400,000 Hong Kong dollar...
Recently, Professor Zhu Qiang's team from the Department of Mechanical and Energy Engineering at Southern University of Science and Technology published their latest research findings in the Journal of Materials Science. The research team has proposed a new process for liquid induced healing (LIH) laser additive manufacturing of cracks. By controlling micro remelting at grain boundaries to introdu...
Conservation of energy is a fundamental concept in physics that can be used to explain anything from planetary orbits to the internal workings of individual atoms.Energy can be converted into other forms, but the overall energy level is usually considered to vary over time. Therefore, when attempting to describe a system, physicists usually pay attention to ensuring that it is isolated from the su...