Back to results
US 2010/0059106 A1Published application
Solar Cell Electrodes
AssigneeE.I. du Pont de Nemours and Company
InventorHideki Akimoto
Life of this patent
Estimating the term…
Abstract
This invention describes a p-type electrode useful in producing a solar cell.
Claims9
A p-type electrode on p+ layer of solar cell comprising, prior to firing;
- (a) Electrically conductive particles containing silver particle and added particle selected from the group consisting of (i) metal particles selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt particles, (ii) a metal alloy containing the metal particles, and (iii) silver particles coating with the metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt, (iv) the metal particles of (i) supported by carbon particles,
- (b) Glass frit, and
- (c) A resin binder.
A method for producing a p-type electrode, comprising the steps of:
- (1) Applying a paste comprising
- (a) Electrically conductive particles containing silver particle and added particle selected from the group consisting of (i) metal particles selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt particles, (ii) a metal alloy containing the metal particles, and (iii) silver particles coating with the metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt, (iv) the metal particles of (i) supported by carbon particles, onto p+ layer of the light receiving side of the N-type base solar cell substrate
- (b) Glass frit, and
- (c) A resin binder, and
- (2) Firing the applied paste.
2 more elements
A method for producing a p-type electrode of claim 6 wherein the paste is fired at 450 to 900° C.
A method for producing a p-type electrode, comprising the steps of:
- (1) Applying a paste comprising
- (a) electrically conductive particles containing silver particle and added particle selected from the group consisting of (i) metal particles selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt particles, (ii) a metal alloy containing the metal particles, and (iii) silver particles coating with the metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt, (iv) the metal particles of (i) supported by carbon particles, onto p+ layer of the light receiving side of the P-type base solar cell substrate
- (b) Glass frit, and
- (c) A resin binder, and
- (2) Firing the applied paste.
2 more elements
A method for producing a p-type electrode of claim 8 wherein the paste is fired at 450 to 900° C.
A composition useful for making a p-type electrode on p+ layer of solar cell comprising, prior to firing;
- (a) Electrically conductive particles containing silver particle and added particle selected from the group consisting of (i) metal particles selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt particles, (ii) a metal alloy containing the metal particles, and (iii) silver particles coating with the metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt, (iv) the metal particles of (i) supported by carbon particles,
- (b) Glass frit, and
- (c) A resin binder.
Dependencies are inferred from the claim text.