Thick film pastes for fire through applications in solar cells

Details Thick film pastes for fire through applications in solar cells Thick film pastes for fire through applications in solar cells

H - Electricity

01

L

H01L 31/042 (2006.01) H01L 31/0216 (2006.01) H01L 31/18 (2006.01)

Patent

CA 2695568

Formulations and methods of making solar cell contacts and cells therewith are disclosed. The invention provides a photovoltaic cell comprising a front contact, a back contact, and a rear contact. The back contact comprises, prior to firing, a passivating layer onto which is applied a paste, comprising aluminum, a glass component, wherein the aluminum paste comprises, aluminum, another optional metal, a glass component, and a vehicle. The back contact comprises, prior to firing, a passivating layer onto which is applied an aluminum paste, wherein the aluminum paste comprises aluminum, a glass component, and a vehicle.

L'invention concerne des formulations et des procédés permettant de fabriquer des contacts de pile solaire et des piles avec ceux-ci. L'invention concerne une pile photovoltaïque comprenant un contact avant, un contact dorsal et un contact arrière. Le contact dorsal comprend, avant cuisson, une couche de passivation sur laquelle est appliquée une pâte comprenant de l'aluminium, un composant vitreux, la pâte d'aluminium comprenant de l'aluminium, un autre métal facultatif, un composant vitreux et un véhicule. Le contact dorsal comprend, avant cuisson, une couche de passivation sur laquelle est appliquée une pâte d'aluminium, la pâte d'aluminium comprenant de l'aluminium, un composant vitreux et un véhicule.

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