18650 rechargeable battery lithium 3.7v 3500mah
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polymer lithium battery Primary battery Rechargeable Battery LR03 alkaline battery
18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

14250 battery

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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