Heraeus Deutschland Gmbh & Co Kg

Crystal J Han

Matthias Hörteis

Lei Wang

The invention relates to an electro-conductive paste comprising coarse SiOparticles in the preparation of electrodes in solar cells, particularly in the preparation of electrodes in MWT solar cells, particularly in the preparation of the metal wrap through, or plug, electrode in such solar cells. In particular, the invention relates to a solar cell precursor, a process for preparing a solar cells, a solar cell and a module comprising solar cells. The invention relates to a solar cell precursor at least comprising as precursor parts:

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Lafayette Hill, PA, United States of America

Crystal J Han