Knowledge

The efficiency of N-type polysilicon backside passivated contact (PSPC) cells manufactured on industrial production lines has increased from 20.7% to 23.6% or higher in the past three years. The rapid efficiency climb is strongly supported by metallized pastes that can contact both the boron emitter...

Frontal metallization: efficiency accelerator   n-TOPCon SE creates more room for efficiency   Compared with the conventional p+ emitter, the p+ emitter SE process has a shallower junction in the non-metallized region, a deeper junction in the metallized region, and the surface concentrati...

In the past three to five years, the photovoltaic industry's solar cell technology has been rapidly upgraded and iterated, and high-efficiency PERC solar cells have gradually replaced traditional all-aluminum back-field solar cells and become a new generation of "conventional" solar cells. So, after...

  What is photovoltaic silver paste?   The main principle of photovoltaic power generation is the photovoltaic effect of semiconductors, that is, when the silicon wafer is illuminated, the charge distribution state in the body changes to generate electromotive force, converting photons int...

   In the manufacturing process of solar cells, in order to prepare solar cell contact electrodes, it is necessary to print metal paste on silicon wafers using screen printing technology. After the sintering process, front and back electrodes are formed on the surface of the solar cell thr...

  Laser-enhanced contact optimization (LECO), or laser-enhanced contact optimization, patented by Cell Engineering GmbH in 2016, replacing the conveyor furnace (FFO) technology typically used for TOPCon solar cell.   In principle, the current formed by the laser is transmitted along the p...

After purposeful doping, the semiconductor bulk silicon introduces trace impurities to become an extrinsic semiconductor, which is divided into N-type and P-type two categories. 1. N-type crystalline silicon When the crystal silicon is mixed with trace impurities Group V elements, its five valence e...

     The manufacture of crystalline silicon modules involves fabricating silicon wafers, transforming the wafers into cells, and assembling cells into modules.     A wafer is a thin, flat disk or rectangle of base semiconductor material. Wafers are 180μm to 350μm th...

   As an upgraded version of passivated emitter and back-side cell (PERC) solar cells, the performance of tunnel oxide passivation contact (TOPCon) solar cells is very dependent on the silicon oxide layer and polysilicon layer. We found that different crystallization rates in polysilicon o...

  With the rapid development of renewable energy, solar photovoltaic technology has become an important clean energy source. Among photovoltaic modules, perovskite tandem cells are an emerging technology for future cost reduction and efficiency increase, which has attracted much attention. &nbs...

1.Development trend of surface passivation The top priority of crystalline silicon solar cells has always been their surface passivation. Early screen printing solar cells, limited by the technical means at the time, people simply introduced the TiO2 layer. However, the passivation function of TiO2...

How to convert solar cell area/efficiency?   Monocrystalline silicon wafer area   The shape of the single crystal solar cell is generated by cutting a cylindrical silicon rod formed using the cinetol method. The calculation idea of the area of the monocrystalline silicon wafer is derived f...