On August 2, good news came from the field of heterojunction batteries in China. The high-efficiency silicon heterojunction cell technology ("SHJ technology") champion cell developed by the Chengdu R & D Center, a collaboration between the Hanergy HIT Division and Chengdu Everest Yongming Technology Co., Ltd., has a full area (M2, 244.52 cm²) photoelectric conversion efficiency 24.85%, while breaking the Chinese record maintained by itself, it also broke the original world record held by Kaneka of Japan and became the new world champion of 6-inch silicon wafer SHJ batteries! It is understood that SHJ technology has been monopolized by Japanese companies for 29 years since its invention. SHJ technology is known as the very competitive next-generation solar technology. The components produced based on this technology have excellent weather resistance and a service life of more than 30 years. They also have high conversion efficiency, stable performance, no light attenuation, no potential induced attenuation (PID), and high power output at high temperatures. Many advantages are widely used in projects such as mobile energy, green technology buildings for power generation, ground power stations, distributed power stations, vertical installation, fish-light complementary, and agriculture-light complementary. It is understood that this record-breaking Hanergy SHJ battery uses Longji high-quality n-type silicon wafers as a substrate, integrates Hanergy's world-leading thin-film solar technology, and uses amorphous silicon oxide and silicon-carbon alloy films as passivation layers. The microcrystalline silicon-oxygen alloy material is used as the window layer, and the transparent conductive film of ITO material and the screen-printed electrode used at the same time have the characteristics of low cost and easy procurement. In addition, the champion cell was obtained under the premise of using mass production equipment and low-cost mass production technology. Compared with the laboratory research and development equipment and process used to refresh the world record, this technology can be directly used in large-scale production. Mass production. Xu Xiaohua, vice president of Hanergy Thin Film Power Generation Group, confirmed this statement, saying that the SHJ technology independently developed by Hanergy has been mass-produced in Shuangliu, Sichuan, and the core thin-film deposition equipment has been fully domesticated. Indoor Light,Indoor Wall Lamp,Modern Style Indoor Wall Lamps,Led Down Light Indoor Shenzhen You&My Electronic Technology Co., Ltd , https://www.youmysolarlight.com
Schematic diagram of Hanergy SHJ cell technology
24.85%! Chinese Heterojunction Battery Sets New World Record