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Maysun Solar
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Maysun Solar
  • About 
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    • All Products
    • TwiSun Series
    • Full Black Solar Panels
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    • 182mm 390W-550W Solar Panels
    • 166mm 360W-490W Solar Panels
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  • What is HJT technology for solar modules?

    Maysun HJT solar cell shape display. HJT is a special PN junction that combines two different technologies into one battery: a crystalline silicon battery sandwiched between two layers of amorphous "thin film" silicon.

    What is HJT Technology?

    • HJT solar cells have double-sided structure design which can absorb incident light and scattered light from both sides, using a PECVD, very thin silicon intrinsic passivation layer and P-type silicon doped layer are formed on the top side of wafer-type monocrystalline silicon N after texturing and surface cleaning, then on the other side a very thin intrinsic silicon passive layer and N-type silicon doped layer is deposited.
    • After deposition of amorphous silicon layer stacks, PVD magnetron sputtering coating technology is applied to deposit transparent oxide conductive film (TCo) and metal stack on both sides of the cells.
    • Finally, the metal grids on both sides are formed by our innovative metallization technology.
    Maysun HJT solar cell advantage: efficiency is as high as 24%-25%. 210mm large size silicon wafer, and slow attenuation speed. The HJT solar cell is a double-sided design, and the film layer on the back will increase a lot of power due to the sunlight reflected on the ground. HJT cells are thinner, about 160~100μm.

     

      

    Advantages of HJT Technology

    • High efficiency
    • Large size
    • Low attenuation
    • High double-sided ratio
    • Less process
    • Hinning
    Maysun HJT solar modules face to face comparison. HJT has a longer power generation life, so it has a higher output than any other high-efficiency technology

     

     

     

      

    HJT Photovoltaic Modules

    • Using a high efficiency heterojunction solar cell, up to more than 21.5% module efficiency.
    • Leading Half-cut HJT cell technology.
    • The more stable feed temperature coefficient of -0.24% results in a stable yield gain.
    • Using N-type wafer, no LID caused by B-O pair
    • Excellent PID resistance.
    • The 85% double-sided factor brings greater yield gain from back to back.
    The development direction of the high-efficiency solar cell industry. At present, the most widely used single crystal PERC battery is the P-type single crystal silicon battery, and new solar cell technologies such as TOPCon, HJT, IBC, etc. mainly refer to the N-type single crystal silicon battery.

     

     

      

    Development Direction Of High Efficiency Solar Cell Industry

    Maysun HJT solar cell structure diagram. HJT is a special PN junction, which is formed by amorphous silicon and crystalline silicon materials. It is a kind of N-type battery by depositing an amorphous silicon film on crystalline silicon. HJT battery structure diagram: front electrode, TCO, silicon dioxide layer, passivation layer, n-type diffusion layer, P-type crystalline silicon, passivation layer, silicon nitride layer, back electric field layer, back electrode.

     

     

     

     

     

      

    The HJT Technology Structure Diagram

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