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Photovoltaics - Electricity from Sunlight
Photovoltaics - Electricity from Sunlight
Where is the solar industry headed Martin A. Green UNSW Sydney - - PowerPoint PPT Presentation
Where is the solar industry headed Martin A. Green UNSW Sydney - - PowerPoint PPT Presentation
Australian Centre for Advanced Photovoltaics Where is the solar industry headed Martin A. Green UNSW Sydney November 2017 UNSW Photovoltaics - Electricity from Sunlight PV now cheapest! UNSW Photovoltaics - Electricity from Sunlight
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Photovoltaics - Electricity from Sunlight
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2017 $0.33/W 100 10 US$/W 1 0.1 1998 2008
1 Terrawatt (TW)
‘experimental’ phase ‘industry-development’ phase ‘mass-production’ phase
Cumulative PV installed (MW)
& soon even cheaper!
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Photovoltaics - Electricity from Sunlight
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Australian Centre for Advanced Photovoltaics
2015 forecasts CONSERVATIVE! Growth 2015/2017 Projected: 24% Actual: 85%
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Photovoltaics - Electricity from Sunlight
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Australian Centre for Advanced Photovoltaics
2015 forecasts CONSERVATIVE!
Bloomberg 2015
NATURE ENERGY 2, 17140 (2017)
5 TW Present costs ÷ 4 Cost reductions continue until 2050 Present costs ÷ 2 LUT 2017 LUT 2017
Lappeenranta University of Technology - LUT
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Photovoltaics - Electricity from Sunlight
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Unresolved problem!
Can PV make a major impact on global warming?
1 Terrawatt (TW) PV
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Photovoltaics - Electricity from Sunlight
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Unresolved problem!
Can PV make a major impact on global warming?
1 Terrawatt (TW) PV
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Photovoltaics - Electricity from Sunlight
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Photovoltaics - Electricity from Sunlight
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5 10 15 20 25 1940 1950 1960 1970 1980 1990 2000 2010 Efficiency, %
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First 20% cell Silicon solar cell efficiency, %
34 years 50% relative
UNSW PERC cell
PERC
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Photovoltaics - Electricity from Sunlight
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Cell technology
- BSF
HJ IBC PERC
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Photovoltaics - Electricity from Sunlight
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Cell technology
- BSF
HJ IBC PERC
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Photovoltaics - Electricity from Sunlight
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Cell technology
- BSF
HJ IBC PERC
24.4%
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Photovoltaics - Electricity from Sunlight
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Cell technology
24.4%
- BSF
HJ IBC PERC
22.0 23.0 24.0
Jan 2015 Jan 2016 Jan 2017 Jan 2018
~ 0.6%/year (abs.)
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Photovoltaics - Electricity from Sunlight
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Ingots
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Photovoltaics - Electricity from Sunlight
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Ingots
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Photovoltaics - Electricity from Sunlight
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2017 $0.34/W 100 10 US$/W 1 0.1 1998 2008 1 Terrawatt (TW)
‘experimental’ phase ‘industry-development’ phase ‘mass-production’ phase
Cumulative PV installed (MW)
1..& soon even cheaper!
Accelerate PV cost reductions:
- 1. Perfect production & transfer PERC
- 2. Increase performance by 50% by stacking cells
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Photovoltaics - Electricity from Sunlight
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c-Si tandem: efficiency gain
Free choice or Si 25% PERC
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Photovoltaics - Electricity from Sunlight
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c-Si tandem: efficiency gain
Free choice or Si 25% PERC 41%?
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Photovoltaics - Electricity from Sunlight
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c-Si tandem: efficiency gain
Free choice or Si
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Photovoltaics - Electricity from Sunlight
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c-Si tandem: efficiency gain
Free choice or Si
Artificial silicon!
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Photovoltaics - Electricity from Sunlight
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Earth abundant, non-toxic (CZTS: Cu2ZnSnS4)
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Photovoltaics - Electricity from Sunlight
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Photovoltaics - Electricity from Sunlight
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Solar paint
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Photovoltaics - Electricity from Sunlight
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Solar Armour
Masuda et al., Solar Energy 146 (2017) 523
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Photovoltaics - Electricity from Sunlight
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Masuda et al., Solar Energy 146 (2017) 523
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Photovoltaics - Electricity from Sunlight
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Photovoltaics - Electricity from Sunlight
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Photovoltaics - Electricity from Sunlight
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Photovoltaics - Electricity from Sunlight
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Parallel connection
top view
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Photovoltaics - Electricity from Sunlight