The latest solar cell technology introduction

As energy costs are rising, new energy sources such as solar energy are gradually becoming a viable alternative energy source. In 2011, global solar energy and other new energy industries entered a period of rapid development, and the development speed of China's solar energy industry was particularly significant.

Despite the close connection with Chinese companies, Evergreen Solar, the third-largest manufacturer of solar panels in the United States, has decided to shut down the Devens plant due to pressure from production costs. But Edward L. Llanzez, a professor of economics at Harvard University, said: "The closure of the Devens plant does not mean that new energy is a mistake. It just shows that the Chinese have an absolute advantage in cheap manufacturing. As long as they can continue With the citizens who are full of creative wisdom, the United States will be able to remain unbeaten in the future." From the evaluation of Grantze on this issue, we can see that in the new round of solar energy industry global competition, technological innovation is still The most important weight that a business wins.

Although Chinese enterprises currently occupy a large number of markets with "cheap manufacturing," they lack the support of core technologies and will face extreme shortage of follow-up competitiveness. China has introduced policies to support the development of new energy such as solar energy, encourage Chinese companies to improve their independent innovation capabilities, and encourage the promotion of scientific and technological achievements by increasing the cooperation between industry, universities and research institutes, and through science and technology service organizations such as Keyi. The company's scientific and technological innovation capabilities, so as to grasp the new energy core technologies such as solar energy, to win the future competition.

At present, Europe and the United States are still in a leading position in the research and application of solar energy technology. Innovative research on how to use solar energy efficiently and cost-effectively to overcome solar energy use defects is also accelerating. In particular, research and development and discovery of new solar cell application materials are expected to completely change the application of solar energy technology in the future. Keyi.com made an inventory of the latest solar energy technology to provide reference for everyone and seize the opportunity of solar energy industry development:

Solar cell latest technology inventory:

Niobium and arsenic alloy materials improve solar cell efficiency. A team of researchers led by U.S. Lawrence Berkeley National Laboratories, Wreudek Varukvi, used a special material called gallium arsenide (GaNAs) alloy and a simple combination method to make multi-band solar energy for them. Battery efficiency reaches more than 40%.

GaNAs semiconductor alloys have a unique electronic ribbon structure that makes solar cells more efficient. The Wallukevi Group has created a single-material multiband solar cell (GaN) with GaNAs alloys through an engineering modification method that can absorb multi-band solar spectra.

Carbon nanotubes, DNA and other materials solar cells can repair themselves. US researchers are developing a new type of solar cell. By using materials such as carbon nanotubes and DNA, the battery can self-repair like a natural photosynthesis system in plants, thereby prolonging battery life and reducing manufacturing costs.

The researchers explained that the main function of carbon nanotubes in new batteries is to immobilize DNA fragments. Scientists also program DNA so that it has specific sequences that nucleotides possess, allowing them to recognize and attach dyes. Once the DNA recognizes the dye molecules, the system begins self-assembly and completes the renewal of the dye, just like the self-renewing process that is taking place within the plant at all times.

The metal "dioxime-rich" can store solar energy indefinitely. Scientists in the United States have discovered a rare metal, diterpene fumarene, that absorbs sunlight and stores it in the form of heat indefinitely, releasing the stored heat when needed. This discovery paved the way for the next generation of solar energy devices that can use solar energy and store heat indefinitely.

The main obstacle to the use of this new technology is that diterpene rich olefins are rare and costly to use. Scientists believe that based on the working principle of the helium storage and release of energy, it is expected that other materials with similar characteristics and at a lower cost will be found. Solar cell films based on semiconductors and fullerenes. Scientists at the U.S. Department of Energy at Brookhaven National Laboratory and Los Alamos National Laboratory have developed a new type of transparent film that absorbs light and converts it into electrical energy in large areas. This thin film is based on semiconductors and fullerenes and has a micro honeycomb structure. This technology can be used to develop transparent solar panels and even make windows that can generate electricity. "This is a cost-effective, cost-effective method of preparation that has the potential to move from laboratory applications to large-scale commercial production." The physical chemistry of the multifunctional nanomaterials center at the Brookhaven National Laboratory in the United States responsible for the study. Home Mircea Cartwright said.

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