Development of technologies for welding interconnects to fifty-micron thick silicon solar cells
Technical Report
·
OSTI ID:5792977
A program was conducted to develop technologies for welding interconnects to 50 microns thick, 2 by 2 cm solar cells. The cells were characterized with respect to electrical performance, cell thickness, silver contact thickness, contact waviness, bowing, and fracture strength. Weld schedules were independently developed for each of the three cell types and were coincidentally identical. Thermal shock tests (100 cycles from 100 C to -180 C) were performed on 16 cell coupons for each cell type without any weld joint failures or electrical degradation. Three 48 cell modules (one for each cell type) were assembled with 50 microns thick cells, frosted fused silica covers, silver clad Invar interconnectors, and Kapton substrates.
- Research Organization:
- TRW Defense and Space Systems Group, Redondo Beach, CA (USA); Jet Propulsion Lab., Pasadena, CA (USA)
- OSTI ID:
- 5792977
- Report Number(s):
- N-8322742; NASA-CR-170212; JPL-9950-806
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALLOYS
CONDUCTOR DEVICES
CONNECTORS
DIMENSIONS
DIRECT ENERGY CONVERTERS
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ELEMENTS
EQUIPMENT
FABRICATION
FRACTURE PROPERTIES
INVAR
IRON ALLOYS
IRON BASE ALLOYS
JOINING
MECHANICAL PROPERTIES
METALS
NICKEL ALLOYS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
SILICON SOLAR CELLS
SILVER
SOLAR CELLS
SOLAR EQUIPMENT
THICKNESS
TRANSITION ELEMENTS
WELDING
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALLOYS
CONDUCTOR DEVICES
CONNECTORS
DIMENSIONS
DIRECT ENERGY CONVERTERS
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ELEMENTS
EQUIPMENT
FABRICATION
FRACTURE PROPERTIES
INVAR
IRON ALLOYS
IRON BASE ALLOYS
JOINING
MECHANICAL PROPERTIES
METALS
NICKEL ALLOYS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
SILICON SOLAR CELLS
SILVER
SOLAR CELLS
SOLAR EQUIPMENT
THICKNESS
TRANSITION ELEMENTS
WELDING