CONDUCTIVE PASTE, METHOD FOR MANUFACTURING SOLAR BATTERY CELL, AND SOLAR BATTERY CELL

PROBLEM TO BE SOLVED: To provide a conductive paste for a solar cell electrode which can achieve good contact resistance between a baked electrode and a semiconductor substrate, and which can suppress the increase in the contact resistance and the occurrence of peeling of the electrode even after pr...

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1. Verfasser:	NOGUCHI MASUMI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INSULATORS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SEMICONDUCTOR DEVICES
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creator	NOGUCHI MASUMI
description	PROBLEM TO BE SOLVED: To provide a conductive paste for a solar cell electrode which can achieve good contact resistance between a baked electrode and a semiconductor substrate, and which can suppress the increase in the contact resistance and the occurrence of peeling of the electrode even after prolonged exposure to high temperature and high humidity, or even under the influence of moisture of rain water or the like.SOLUTION: A conductive paste comprises: conductive powder including main component powder of Ag and auxiliary component powder of Al; a binder resin; and solvent. In the conductive powder, the content of the auxiliary component powder is 0.4-4 wt.%; and the main component powder includes atomization powder having an average primary particle diameter of 0.5-10 μm. The atomization powder preferably accounts for 50 wt.% or more in the main component powder. The conductive paste is used to fabricate a light-receiving surface electrode 8 of a solar battery cell 1.
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In the conductive powder, the content of the auxiliary component powder is 0.4-4 wt.%; and the main component powder includes atomization powder having an average primary particle diameter of 0.5-10 μm. The atomization powder preferably accounts for 50 wt.% or more in the main component powder. 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In the conductive powder, the content of the auxiliary component powder is 0.4-4 wt.%; and the main component powder includes atomization powder having an average primary particle diameter of 0.5-10 μm. The atomization powder preferably accounts for 50 wt.% or more in the main component powder. 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subjects	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INSULATORS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SEMICONDUCTOR DEVICES
title	CONDUCTIVE PASTE, METHOD FOR MANUFACTURING SOLAR BATTERY CELL, AND SOLAR BATTERY CELL
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