Aluminum pastes and use thereof in the production of silicon solar cells
AssigneeE. I. Du Pont de Nemours and Company
InventorsPeter Brenner, Alistair Graeme Prince, Richard John Sheffield Young
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Abstract
Described are aluminum pastes comprising spherical-shaped and nodular-shaped particulate aluminum and an organic vehicle and their use in forming p-type aluminum back electrodes of silicon solar cells.
Claims14
An aluminum paste comprising particulate aluminum and an organic vehicle comprising organic solvent(s), wherein the particulate aluminum comprises 30 to 90 wt. % of spherical-shaped aluminum powder and 10 to 70 wt. % of nodular-shaped aluminum powder, the wt. % being based on the sum of the spherical-shaped aluminum powder and the nodular-shaped aluminum powder.
Dependencies are inferred from the claim text.