Busbarless rear contact solar cells: novel concept for wiring and interconnection
At the University of Konstanz, Germany, a new method for wiring rear contact solar cells has been developed, in particular suited for wire-based interconnection of IBC solar cells. For wiring, narrow tabbing or wire (e.g. highly conductive copper wire), which is run orthogonally to the contact fingers, is used. Half of the wires are led through very small gaps in the p contacts to connect to the n contacts. The other half is led through gaps in the n contacts, connecting to the p contacts.
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