Title
Enablers for IBC: integral cell and module development and implementation in PV industry
Author
Burgers, A.R.
Weeber, A.W.
Geerligs, L.J.
Guillevin, N.
Mewe, A.A.
Rosca, V.
Cesar, I.
Okel, L.A.G.
Spinelli, P.
Sawallich, S.
Nagel, M.
Publication year
2017
Abstract
An integral solar cell and module concept is developed based on an IBC cell design with a front floating emitter (FFE). The FFE renders the cell resilient to electrical shading and reduces the demands on feature size. The cells are bi-facial by design. We interconnected 6” IBC cells using a conductive back sheet foil, resulting in a visually appealing mono-facial solar module. The IBC cells are made using a process close to existing industrial n-PERT processing, their production in an industrial pilot line has been demonstrated. The cells can be produced at the cost level of a PERC cell. The paper shows how the current cell efficiency of 21.1% cell will be increased beyond 22% in 2017 and what enablers are required to industrialize this concept. One such enabler we report on is high resolution Rsheet mapping using near-field THz scanning.
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TNO identifier
850268
Report number
ECN-W--17-029
Publisher
ECN, Petten
Document type
article