Abstract: Provided is a separation and recovery method that is method of separating and recovering, from a mixture containing at least a resin layer 1 containing a hydrolyzable polymer A as a main component and a resin layer 2 containing a nonhydrolyzable polymer B as a main component, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the method including a decomposition and separation step of subjecting the mixture to a hydrothermal reaction treatment to hydrolyze and separate the hydrolyzable polymer A, and to separate the nonhydrolyzable polymer B while a molecular weight of thereof is maintained.

Abstract: Embodiments of the invention relate to a silicon semiconductor device, and a conductive paste for use in the front side of a solar cell device.

Abstract: A method for manufacturing a solar cell, comprising steps of: a) providing a semiconductor substrate having a light-receiving side and a back side, wherein a passivation layer is formed on the back side; b) forming a silver conductor pattern on the back side of the semiconductor substrate; c) forming an aluminum conductor pattern on the back side of the semiconductor substrate, at least part of the aluminum conductor pattern being superimposed on at least part of the silver conductor pattern; and d) firing the silver conductor pattern and the aluminum conductor pattern at the same time, thereby forming an electric contact between the semiconductor substrate and the aluminum conductor pattern by way of fire through in a region where the silver conductor pattern and the aluminum conductor pattern are superimposed.

Abstract: A back-contact solar cell module, comprising: silicon wafer having a sunlight receiving surface and a rear surface, wherein n+ region and p+ region are formed on the rear surface; an n+ electrode formed on the n+ region of the silicon wafer; a p+ electrode formed on the p+ region of the silicon wafer; a printed wiring board comprising a substrate, a cathode and an anode, being placed in a way that the anode and the cathode are in contact with the n+ electrode and the p+ electrode respectively; wherein at least one of the n+ electrode and the p+ electrode, prior to firing, comprises a conductive composition comprising 11.0-39.9 wt % of silver particles, 10.0-40.0 wt % of glass frit, and 0.5-20.0 wt % of palladium particles, based on total weight of the composition.

Abstract: The present invention relates to a method of manufacturing a solar cell electrode, comprising: preparing a semiconductor substrate having a preformed electrode on a front side, a back side, or both of the front and the back side of the semiconductor substrate; applying a conductive paste onto the preformed electrode, wherein the conductive paste comprises a conductive powder, an amorphous saturated polyester resin with glass transitional temperature (Tg) of 50° C. or lower, and an organic solvent; drying the applied conductive paste; putting a tab electrode on the dried conductive paste; and soldering the tab electrode.

Abstract: Embodiments of the invention relate to a silicon semiconductor device, and a conductive paste for use in the front side of a solar cell device.

Abstract: A method for manufacturing a solar cell, comprising steps of: a) providing a semiconductor substrate having a light-receiving side and a back side, wherein a passivation layer is formed on the back side; b) forming a silver conductor pattern on the back side of the semiconductor substrate; c) forming an aluminum conductor pattern on the back side of the semiconductor substrate, at least part of the aluminum conductor pattern being superimposed on at least part of the silver conductor pattern; and d) firing the silver conductor pattern and the aluminum conductor pattern at the same time, thereby forming an electric contact between the semiconductor substrate and the aluminum conductor pattern by way of fire through in a region where the silver conductor pattern and the aluminum conductor pattern are superimposed.

Abstract: The present invention relates to a method of manufacturing a solar cell electrode, comprising: preparing a semiconductor substrate having a preformed electrode on a front side, a back side, or both of the front and the back side of the semiconductor substrate; applying a conductive paste onto the preformed electrode, wherein the conductive paste comprises a conductive powder, an amorphous saturated polyester resin with glass transitional temperature (Tg) of 50° C. or lower, and an organic solvent; drying the applied conductive paste; putting a tab electrode on the dried conductive paste; and soldering the tab electrode.

Abstract: A method of manufacturing a solar cell back side electrode comprising: (a) preparing a substrate comprising a semiconductor layer and a passivation layer formed on the back side of the semiconductor layer, wherein the passivation layer has one or more openings; (b) applying, onto the back side of the substrate, an aluminum paste comprising, (i) an aluminum powder, (ii) a glass frit comprising 30 to 70 cation mole percent of lead, 1 to 40 cation mole percent of silicon and 10 to 65 cation mole percent of boron, and 1 to 25 cation mole percent of aluminum, based on the total mole of cationic components in the glass frit, and (iii) an organic medium, wherein the aluminum paste covers the openings; and (c) firing the aluminum paste in a furnace, wherein the aluminum paste does not fire through the passivation layer during the firing.

Abstract: Embodiments of the invention relate to a silicon semiconductor device, and a conductive paste for use in the front side of a solar cell device.

Abstract: The present invention relates to a method of manufacturing a solar cell electrode, comprising: preparing a semiconductor substrate having a preformed electrode on a front side, a back side, or both of the front and the back side of the semiconductor substrate; applying a conductive paste onto the preformed electrode, wherein the conductive paste comprises a conductive powder, an amorphous saturated polyester resin with glass transitional temperature (Tg) of 50° C. or lower, and an organic solvent; drying the applied conductive paste; putting a tab electrode on the dried conductive paste; and soldering the tab electrode.

Abstract: This invention relates to an electrode used in a solar cell that exhibits good conductivity at the N layer and P layer and to a conductive paste used for producing such an electrode.

Abstract: Embodiments of the invention relate to a silicon semiconductor device, and a conductive paste for use in the front side of a solar cell device.

Abstract: A method for producing a solar cell electrode, comprising the steps of: applying on at least part of a light-receiving surface of a semiconductor substrate a conductive paste comprising conductive component, glass frit, and resin binder, wherein the conductive component comprises alloy particles comprising silver and a metal selected from the group consisting of Pd, Ir, Pt, Ru, Ti, and Co; and firing the conductive paste.

Abstract: Disclosed is a back contact-type solar cell wherein both of n+-type layer and p+-type layer are formed in the opposite side from a sunlight receiving side, wherein an electrode formed on the opposite side comprises a conductive component comprising silver and an added metal selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt.

Abstract: Embodiments of the invention relate to a silicon semiconductor device, and a conductive paste for use in the front side of a solar cell device.

Abstract: A method for producing a solar cell electrode, comprising the steps of: applying on at least part of a light-receiving surface of a semiconductor substrate a conductive paste comprising conductive component, glass frit, and resin binder, wherein the conductive component comprises silver particles and core-shell particles in which a metal selected from the group consisting of Pd, Ir, Pt, Ru, Ti, and Co is coated on a surface of silver or copper; and firing the conductive paste.

Abstract: Disclosed is a method for producing a solar cell electrode, comprising the steps of: (1) applying a paste comprising (a) electrically conductive particles containing silver particle having a particle size of 0.1 to 10 microns and an added particle comprising particles loaded with metal particles selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt particles onto the opposite side from the light receiving side of a back contact-type solar cell substrate, wherein content of the silver particle is 40 to 90 wt %, and content of the added particle is 0.01 to 10 wt % based on the weight of the paste; and (2) firing the applied paste.

Abstract: Disclosed is a method for producing a solar cell electrode, comprising the steps of: (1) applying a paste comprising (a) electrically conductive particles containing silver particle having a particle size of 0.1 to 10 microns and an added particle comprising a metal alloy comprising metal particles selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt particles onto the opposite side from the light receiving side of a back contact-type solar cell substrate, wherein content of the silver particle is 40 to 90 wt %, and content of the added particle is 0.01 to 10 wt % based on the weight of the paste; and (2) firing the applied paste.

Abstract: 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 a metal particle supported by carbon particles, wherein the metal particle is selected from the group consisting of Mo, Tc, Ru, Rh, Pd, W, Re, Os, Ir and Pt particle, (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.