Two Sides of the Same Solar Energy Coin · Two Sides of the Same Solar Energy Coin...
Transcript of Two Sides of the Same Solar Energy Coin · Two Sides of the Same Solar Energy Coin...
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Gigawatt Space And Terrestrial ManufacturingGigawatt Space And Terrestrial ManufacturingTwo Sides of the Same Solar Energy CoinTwo Sides of the Same Solar Energy Coin
Ultra-lightweight CFRP Boom SBSP Solar ArraysUltra-lightweight CFRP Boom SBSP Solar ArraysZero Consumer Cost Rooftop Solar ModulesZero Consumer Cost Rooftop Solar Modules
Kevin ReedSESCRC/ Welsom Space Solar Power Consortium
Seestetten/VilshofenGermany
ISDC 2008 Washington DCISDC 2008 Washington DC
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Geostationary 15 GW Space Power Geostationary 15 GW Space Power Satellites are not currently possible Satellites are not currently possible
to manufactureto manufacture
At the current 1 MW production capacity of the worlds largest At the current 1 MW production capacity of the worlds largest dedicated space solar cell manufacturer a 15 GW SPS would dedicated space solar cell manufacturer a 15 GW SPS would take 15,000 years to make.take 15,000 years to make.
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Theoretical power density at 54% efficiency is 733 Watts/m2Mass add-ons total 4 kg per m2* = 183 Watts per kilogram power density10 suns concentration still equals only 1,830 Watt/kg power density *Boeing SpectroLab Website- http://www.spectrolab.com/DataSheets/Panel/panels.pdf
29 % Efficient Triple Junction cells are too expensive for roof solar modules at cost of $1,000 per Watt. A single 10 kw roof top at current cost for space solar cells would $10,000,000 US.
No synergy in rooftop modules and rigid space cell manufacturing.
No Business Case to Support Concentrator SPS
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Compatible Dual Use Manufacturing for Space Applications Arrays and Rooftop Modules
Gigawatt Scale Dual Use Manufacturing
Rooftop modules at 70 cents a Watt in the box ready to ship GW production scales for Space-Based Solar Power Applications
70 cents per Watt rooftop solar module
50 kW to 8 MW Ultra-lightweight Solar Arrays
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Current results of 5,880 Watts per kilogram at 7-9 micron polymer.16,800 Watts kilogram for 2 micron thickness polymer at 168 Watt/m2AMO Standard 1357 W/m2 @ +90°C, 12.4% efficient, a-Si:H cells.
Power density over 10,000 Watts per kg for European Sail Tower SPS Concept
a-Si:H cells on 2 micron NASA CP1 or M-SRS CORIN Polyimide
M-SRS Technologies CORIN is UV, radiation and ATOX resistance stable for long term LEO assembly of SBSP
Amorphous Silicon TF cell size compared to TJ or silicon rigid cells (a-Si in orange)
Zero welded interconnections for a-SI:H cell monolithic cell interconnection – no arcing 1,000V
428 Welded connects for rigid cell- - arc at 100V to300V
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Triple Junction Solar Array Comparison to CP1-CORIN/a-SI:H Thin Film Solar Array
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CP1/a-Si:H Solar Cell Deposition Process
CP1/a-Si Thin Film Solar Cells are deposited by plasma-enhanced chemical vapor deposition (PECVD). The PECVD system has been shown to be very efficient for low temperature deposition of solar cells onto thin film CP1 polyimide substrates.
Solar Division Solar Division
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Totally modular system for large scale manufacturing of CP1/a-Si solar cells
CP1/a-Si:H Solar Film has been optimized for large scale production on a fully automated solar cell line that is used to manufacture standard terrestrial solar cells.
Solar Division
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SRS Technologies CP1 and CP2 Polyimides
LaRC™-CP1 and LaRC™-CP2 polyimides are revolutionary.Developed by NASA and Produced under License to SRS Technologies
CP1 is a high performance material with a wide variety of uses in space structures, thermal insulation, electrical insulators, industrial tapes and advanced composites. provides superior physical and electrical properties over a wide temperature range and in a number of harsh environments.
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Competing polyimide materials have less UV resistance and are not as transparent as CP1 and CP2. CP1 and CP2 are superior for long-duration, space-based applicationswhere transparency is needed for functionality. CP1 has been tested and is rated for a 10 year life in GEO. CP1 is the superior solar array component used a a supersubstrate for CP1/a-Si:H Thin Film Solar Cells.
For applications requiring transparency, other polyimides absorb too much solar energy. Materials that do have similar transparency to CP1 and CP2 degrade more rapidly in the harsh environment of space.
Space Tested on ISS
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900 MW per Year of Added Terrestrial and 100 MW of Space Solar 10 Years
16.0 TWh new production by year 10
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DDemonstration of Space-Base Solar Power
In Space Demonstration of well characterized COTS-like Components: In Space Demonstration of well characterized COTS-like Components: Systems Interactions for Megawatt Scale for TFSC Solar Arrays, Systems Interactions for Megawatt Scale for TFSC Solar Arrays, MW Power DS4G Thrusters, and MW Microwave and Laser EmittersMW Power DS4G Thrusters, and MW Microwave and Laser Emitters
The Demonstrator should be useful to assembly of the Sail Tower SPSThe Demonstrator should be useful to assembly of the Sail Tower SPSand to Provide Lease Income from other Space Enterprise for 40 years.and to Provide Lease Income from other Space Enterprise for 40 years.
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All COTS-like Components Ready for Space Launch by 2012
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Scalable COTS-like ComponentsScalable COTS-like Components
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400 MW European Sail Tower SPS Concept Can be built from 8 MW Twin Array Modules using COTS-like components
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20 kW and 100 kW Airship WPT Demonstrations as Commercial Projects
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BioRock Seawater Accretion for Reef and Fisheries Restoration and Low Cost Building Materials. The byproducts of this process is hydrogen storage.
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BioRock as New Sustainable Billion Dollar per Year Zero Carbon Industry
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Low Cost BioRock Building Materials also make $B per year in stored H2 by-product
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Supercritical CO2 can be used then converted to neutral slurry for trench sequestration
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A line by one of my favorite authors Terry Pratchett ...
Every once in a while History takes a deep breath and decides what to do next ...Perhaps one of those times is now.
Thank you all very much for your attendance at ISDC 2008
I am certain this will be held in history as the year Space-Based Solar Power Began.
It is certainly an idea whose time has come
Friendly Greetings, Mr. Kevin Reed CMO SESCRC/ Welsom Space Power
Welsom Space Power “The Race is On!”