Approaching the 29% limit efficiency of silicon solar cells

被引:141
作者
Swanson, RM
机构
来源
CONFERENCE RECORD OF THE THIRTY-FIRST IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 2005 | 2005年
关键词
D O I
10.1109/PVSC.2005.1488274
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The so-called "limit efficiency" of a silicon solar operating at one-sun is well established at approximately 29%, and laboratory cells have reached 25%. The efficiencies of commercially available silicon solar cells have been increasing over time, however, only recently have the highest performance commercial cells reached 20% efficiency. This presentation discusses the prospects of how the limit efficiency may be approached more closely in practical cells. Surprisingly, presently available silicon has sufficient minority carrier lifetime to achieve the goal. In fact, all aspects are in place for approaching 29% except for the existence of a suitable passivated contact technology.
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页码:889 / 894
页数:6
相关论文
共 13 条
[1]  
DEVOS A, 1994, P 12 EUR PHOT SOL EN
[2]  
Green MA, 1999, PROG PHOTOVOLTAICS, V7, P321, DOI 10.1002/(SICI)1099-159X(199907/08)7:4<321::AID-PIP283>3.0.CO
[3]  
2-H
[4]   Lifetime and efficiency limits of crystalline silicon solar cells [J].
Kerr, MJ ;
Campbell, P ;
Cuevas, A .
CONFERENCE RECORD OF THE TWENTY-NINTH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE 2002, 2002, :438-441
[5]  
Prince M.B., 1955, J APPL PHYS, V26, P534, DOI DOI 10.1063/1.1722034
[6]   DETAILED BALANCE LIMIT OF EFFICIENCY OF P-N JUNCTION SOLAR CELLS [J].
SHOCKLEY, W ;
QUEISSER, HJ .
JOURNAL OF APPLIED PHYSICS, 1961, 32 (03) :510-&
[7]  
Spitzer M., 1980, Fourteenth IEEE Photovoltaic Specialists Conference 1980, P375
[8]   LIMITING EFFICIENCY OF SILICON SOLAR-CELLS [J].
TIEDJE, T ;
YABLONOVITCH, E ;
CODY, GD ;
BROOKS, BG .
IEEE TRANSACTIONS ON ELECTRON DEVICES, 1984, 31 (05) :711-716
[9]   LIMITATIONS AND POSSIBILITIES FOR IMPROVEMENT OF PHOTOVOLTAIC SOLAR ENERGY CONVERTERS .1. CONSIDERATIONS FOR EARTHS SURFACE OPERATION [J].
WOLF, M .
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1960, 48 (07) :1246-1263
[10]  
WOLF M, 1980, P 14 IEEE PHOT SPEC, P674