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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-03-26 Hits: Popular:AG11 battery
Research on high-efficiency HIT 14250 battery technology
HIT is the abbreviation of HeterojunctionwithIntrinsicThin-layer, which means intrinsic thin film heterojunction (film thickness 5~10nm). HIT solar cell is a p/i type a-Si film on the light irradiation side and an i/n type a-Si film on the back side. -Si films (film thickness 5~10nm) are composed of single crystal Si flakes sandwiched between them.
HIT 14250 battery structure
The HIT 14250 battery substrate is mainly a silicon substrate; a high energy bandgap silicon nanofilm is deposited on the silicon substrate, a transparent conductive film is deposited on the surface, and there is a back surface electric field on the back surface. By optimizing the surface texture of silicon, the optical absorption loss of the transparent conductive oxide layer (TCO) and a-Si layer can be reduced. HIT 14250 batterys suppress the light absorption rate of p-type and i-type a-Si, while enhancing the light absorption rate of n-type c-Si.
Technical advantages of HIT 14250 batterys
Since HIT solar cells use a-Si to form a pn junction, the entire process can be completed at low temperatures below 200°C. Compared with the formation temperature of conventional thermal diffusion crystalline solar cells (~900°C), the manufacturing process temperature is significantly reduced. Due to the characteristics of this symmetrical structure and low-temperature process, the deformation and thermal damage of the Si wafer caused by heat or film formation is reduced, which is beneficial to achieving thinner and more efficient wafers, with industry-leading high conversion Efficiency (23% at the research laboratory level and 20% at the mass production level), the conversion efficiency rarely decreases even at high temperatures, and double-sided units are used to increase power generation.
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