Method for electrochemical depositing metal electrode of...

H - Electricity – 01 – L

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H01L 31/0224 (2006.01) H01L 21/288 (2006.01)

Patent

CA 2707242

A method for electrochemical depositing metal electrode of solar cell is provided. The method comprises the following steps: making the the surface of the solar cell(30) having a cathode contact with the bath(20),connecting the anode of the solar cell and the solid metal(50),using a light source(60) to illuminate the main light-accepting surface of the solar cell, therin, the metal ions in the bath accept the electrons formed on the cathode surface of the solar cell, and thereafter, form metal and deposit on the cathode surface, meanwhile, the solid metal provides electrons for the anode of the solar cell, forms metal ions and dissolves in the bath.

Cette invention concerne un procédé de dépôt électrochimique d'électrode métallique d'une photopile. Ce procédé comprend les étapes suivantes: mise en contact de la surface de la photopile (30) pourvue d'un contact de cathode avec le bain (20), raccordement de l'anode de la photopile et du métal solide (50); utilisation d'une source lumineuse (60) pour éclairer la surface de réception de lumière principale de la photopile. Les ions métalliques contenus dans le bain acceptent les électrons formés sur la surface de la cathode de la photopile. Ensuite, le procédé consiste à former un métal et un dépôt sur la surface de la cathode, pendant ce temps, le métal solide fournie des électrons à l'anode de la photopile, forme des ions métalliques et se dissous dans le bain.

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