Solar cell electrode
View Patent ↗A p-type electrode on p + layer of solar cell comprising, prior to firing; (a) Electrically conductive particles comprising silver particle having a particle size of 0.1 to 10 microns and added particle composed of silver particle coated with a metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt, (b) Glass frit, and (c) A resin binder, wherein the electrode is made from a fired conductive paste which is comprised of 40 to 90 wt % of the silver particle and 0.01 to 10 wt % of the added particle based on the weight of the paste.
1. A p-type electrode on p + layer of solar cell comprising, prior to firing;
(a) Electrically conductive particles comprising silver particle having a particle size of 0.1 to 10 microns and added particle composed of silver particle coated with a metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt,
(b) Glass frit, and
(c) A resin binder,
wherein the electrode is made from a fired conductive paste which is comprised of 40 to 90 wt % of the silver particle and 0.01 to 10 wt % of the added particle based on the weight of the paste.
2. A p-type electrode of claim 1 wherein the metal is selected from the group consisting of Ru, Rh, Pd, W and Pt.
3. A p-type electrode of claim 2 wherein the metal is selected from the group consisting of Ru, Pd and Pt.
4. A p-type electrode of claim 1 wherein the electrode is made from a fired conductive paste which is comprised of 40 to 90 wt % of the silver particles and 0.1 to 5 wt % of the added particle based on the weight of the paste.
5. A p-type electrode of claim 1 , wherein coating thickness of the metal is more than 0.1 μm.