On September 19, the HBC (Hybrid Back Contact Heterogeneous Battery) module, developed by Fujian Jinshi Energy Co., Ltd. and the National Engineering Research Center for High Efficiency Solar Cell Equipment and Technology, was tested and certified by TUV North Germany, a global authority. The full-area conversion efficiency of the module reached 24.88% , setting a new world record for the conversion efficiency of full-size crystalline silicon solar cell modules!
The module adopts the high-efficiency HBC battery independently developed by Jinshi Energy, which combines scientific and advanced graphical design, low-damage scribing technology, low-temperature interconnection technology and high-density packaging scheme of BC battery.
(Part of TUV North Germany Test Report)
HBC battery set a record of 27.42% conversion efficiency in September this year. Therefore, HBC battery packaged components also have ultra-high conversion efficiency, and HBC components have their own advantages in cost reduction and application scenarios. Since
2022, Jinshi Energy has broken the record of conversion efficiency of heterojunction modules and crystalline silicon modules many times, and this time the conversion efficiency of HBC modules has set a new world record, proving that HBC battery technology has become more and more mature in product application. From the perspective of battery industrialization, Jinshi Energy HBC batteries are produced by mass production PECVD equipment, all processes can be used for large-scale production, and the heterojunction battery production line can be directly upgraded to HBC battery production line.
According to the person in charge of research and development of HBC battery technology, in view of the special structure and characteristics of HBC battery, there is still a lot of work to be done in the introduction of microcrystalline n-type and p-type electrodes, the improvement and optimization of optical properties of high transmittance and anti-reflection films on the incident surface, and the optimization of metal patterning. The conversion efficiency of HBC batteries is still improving. In terms of HBC assembly process, the series welding process can also be improved in many aspects. Therefore, there is still much room for improvement in the conversion efficiency of the HBC module.
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