Abstract
Alternating cells with p- and n-type emitters enables direct series connection of equivalent sides, i.e. front-to-front and back-to-back connection of adjacent cells. The challenge is to match the current of cells with p- and n-type emitters. The electrical properties of silicon heterojunction solar cells with front and rear junctions are remarkably similar. The short-circuit current density mismatch between front and rear junction cells is as low as 0.1 mAcm-2. The cells are connected using thin indium coated wires. One-cell and two-cells modules were manufactured, and efficiencies up to 21.2% were reached for one-cell modules. Electroluminescence of the two-cells module is a good indication about the quality of the direct series connection between front and rear junction cells.
Original language | English (US) |
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Title of host publication | 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016 |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
Pages | 2631-2634 |
Number of pages | 4 |
Volume | 2016-November |
ISBN (Electronic) | 9781509027248 |
DOIs | |
State | Published - Nov 18 2016 |
Event | 43rd IEEE Photovoltaic Specialists Conference, PVSC 2016 - Portland, United States Duration: Jun 5 2016 → Jun 10 2016 |
Other
Other | 43rd IEEE Photovoltaic Specialists Conference, PVSC 2016 |
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Country/Territory | United States |
City | Portland |
Period | 6/5/16 → 6/10/16 |
Keywords
- cell connection
- heterojunction
- module
- silicon
ASJC Scopus subject areas
- Control and Systems Engineering
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering