Mcghee Investor Presentation
Solar Junction World Record
ONREL
NATIONAL RENEWABLE ENERGY LABORATORY
PV Cell & Module
Performance Group
Efficiency vs. Concentration Ratio
Solar Junction
HIPSS Data
Temperature: 25°C
April 1, 2011
Solar Junction
Wed, Mar 16, 2011 11:28 AM
ASTM G173 Direct
Device Temperature = 25.0°C
Area used 03124 cm²
Irradiance: 417.9 kW/m²
NREL HIPSS Confidential
PV Performance Characterization Team
T T
T
20
World's
most
efficient
solar cell
ever
produced:
43.5%
at
Efficiency (%)
46
44
42
40
38
36
34
HIPSS
32
418-655 suns
X25 multi-source
30
10
100
1000
10000
Concentration Ratio
Solar Junction
Area: 0.3124 cm²
Spectrum: ASTM G173 Direct
HIPSS PFN trigger settings: 250.3 & 376.0
HIPSS error bars are +5% of value
Concentration = HIPSS L / X25 1-sun Isc
Current (A)
1.8
1.6
1.4
12
1.0
0.8
0.6
04
0.2
ידידיוידידי
0.0
00
10
05
1.0
1.5
20
25
3.0
35
Voltage (V)
Voc = 3.412 V
L = 1.869 A
89.17%
Fill Factor
Efficiency 43.5±22%
V₁
= 3.066 V
Imax = 1.854 A
P = 5.685 W
HEX
PROPRIETARY AND CONFIDENTIAL. PROPERTY OF SOLAR JUNCTION.
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