• 제목/요약/키워드: Emitter Wrap-Through cell

검색결과 3건 처리시간 0.016초

에미터 랩쓰루 실리콘 태양전지 개발 (Current Status of Emitter Wrap-Through c-Si Solar Cell Development)

  • 조재억;양병기;이홍구;현덕환;정우원;이대종;홍근기;이성은;홍정의
    • Current Photovoltaic Research
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    • 제1권1호
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    • pp.17-26
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    • 2013
  • In contrast to conventional crystalline cells, back-contact solar cells feature high efficiencies, simpler module assembly, and better aesthetics. The highest commercialized cell and module efficiency was recorded by n-type back-contact solar cells. However, the mainstream PV industry uses a p-type substrate instead of n-type due to the high costs and complexity of the manufacturing processes in the case of the latter. P-type back-contact solar cells such as metal wrap-through and emitter wrap-through, which are inexpensive and compatible with the current PV industry, have consequently been developed. In this paper the characteristics of EWT (emitter wrap-through) solar cells and their status and prospects for development are discussed.

EWT 태양전지 제작을 위한 레이저 미세 관통홀 가공 기술 (Laser via drilling technology for the EWT solar cell)

  • 이홍구;서세영;현덕환;이용화;김강일;정우원;이아름;조재억
    • 한국태양에너지학회 논문집
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    • 제31권4호
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    • pp.103-111
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    • 2011
  • Laser drilling of vias is the one of key technologies in developing Emitter-Wrap Through(EWT) solar cell which is particularly attractive due to the use of industrial processing and common solar grade p-type silicon materials. While alternative economically feasible drilling process is not available to date, the processing time and laser induced damage should be as small as possible in this process. This paper provides an overview on various factors that should be considered in using the laser via drilling technology for developing highly efficient and industrially applicable EWT solar cells.

Advances in High Efficiency Back Contact Back Junction Solar Cells

  • Balaji, Nagarajan;Park, Cheolmin;Raja, Jayapal;Yi, Junsin
    • Current Photovoltaic Research
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    • 제3권2호
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    • pp.45-49
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    • 2015
  • In the past few decade's researchers, scientists, engineers of photovoltaic (PV) industry are working towards low cost high efficiency Si solar cells. Over the last decade the interest in back contact solar cell has been acquiring as well as a gradual introduction to industrial applications is increasing. As an alternative to conventional solar cells with a front and rear contact, the back-contact cells has remained a research topic. The aim of this work is to present a comprehensive summary of results incurred in the back contact back junction solar cells such as interdigitated back-contact (IBC), emitter wrap-through (EWT) and metallization wrap-through (MWT) over the years.