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Spherical Silver Powders for Silicon Solar Battery Black Silver Paste

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Spherical Silver Powders for Silicon Solar Battery Black Silver Paste

Silicon solar battery back silver paste widely used spherical silver powder.

  • product origin:

    China
  • item no.:

    B115-Ag
  • shipping port:

    Guangzhou
  • color:

    silver grey
  • payment:

    T/T ,Paypal
pPoduct Details

                      Spherical Silver Powders for Silicon Solar Battery Black Silver Paste.

 

 The basic structure of crystalline silicon solar cells includes P-type silicon substrate, N-type layer, minus reflection film (TIO2, SIO2 or SI3N4), positive silver electrode, back aluminium electrode, and back silver electrode. and the back silver electrode is formed by  silver conductor paste through screen printing and sintering.

 

 

Conductive paste of solar cells back silver electrode is mainly composed via the three parts: the conductive function phase, inorganic binder, organic carrier and other raw materials. what's more, the silver powder has good conductive heat conduction performance, and cheap is better relative to other precious metals.  in practical applications, on the basis of guarantee electric performance, the back silver paste also must have enough adhesion and welding strain.

 

 

Under the condition of the same solid silver content, silver powder parameter different for particle size, morphology, specific surface area , viscosity will be different. Tests have shown that back silver paste using silver powder plays a key role on the security electric performance, increasing the adhesion and welding force .In the case of low silver solid content, the results of choosing micro sized spherical silver powders to prepare silver paste is that the electrode film have smooth densification, excellent electric perfomance, good adhesion and welding performance.

 

Hongwu nanometer is professional manufacturer and supplier for micron spherical silver powders in small quantity for researchers and in bulk order for industry groups. Business involved all kinds of aspects: manufacturing, research, development, processing, supplying and after-sales service. our factory own the production capacity 5 tons per years for spherical silver powders. 

 

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