Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Recovery of Copper from Spent Photovoltaic Ribbon in Solar Module

폐태양전지(廢太陽電池)용 솔라리본으로부터 구리회수(回收)에 관한 연구(硏究)

  • Lee, Jin-Seok (Eenergy Materials and Convergence Research Department, Korea Institute of Energy Research) ;
  • Jang, Bo-Yun (Eenergy Materials and Convergence Research Department, Korea Institute of Energy Research) ;
  • Kim, Joon-Soo (Eenergy Materials and Convergence Research Department, Korea Institute of Energy Research) ;
  • Ahn, Young-Soo (Eenergy Materials and Convergence Research Department, Korea Institute of Energy Research) ;
  • Kang, Gi-Hwan (Eenergy Materials and Convergence Research Department, Korea Institute of Energy Research) ;
  • Wang, Jei-Pil (Department of Metallurgical Engineering, Pukyong National University)
  • 이진석 (한국Energy기술연구원, Energy융합소재연구단, 태양Energy연구단) ;
  • 장보윤 (한국Energy기술연구원, Energy융합소재연구단, 태양Energy연구단) ;
  • 김준수 (한국Energy기술연구원, Energy융합소재연구단, 태양Energy연구단) ;
  • 안영수 (한국Energy기술연구원, Energy융합소재연구단, 태양Energy연구단) ;
  • 강기환 (한국Energy기술연구원, Energy융합소재연구단, 태양Energy연구단) ;
  • 왕제필 (국립부경대학교 금속공학과)
  • Received : 2013.09.16
  • Accepted : 2013.10.10
  • Published : 2013.10.30
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Abstract

The recovery of copper from spent photovoltaic ribbon was conducted using thermal treatment method at the range of temperature of $300^{\circ}C$ to $600^{\circ}C$ under inert atmosphere. The coating layer consisted of lead of 68.99 wt.% and tin of 31.21 wt.% was melted down at elevated temperatures and was collected on the bottom of crucible. The chemical composition of copper ribbon after thermal treatment was analyzed by ICP-MS (Inductively coupled plasma mass spectrometry) and the purity of copper was found to be obtained up to about 96 wt.% regardless of temperatures. The cross-sectional area of the specimen was also examined by SEM (scanning electron microscopy) and EDX (energy dispersive X-ray microscopy).

폐 태양광 전지내의 구리리본전극으로부터 구리를 회수하기 위해 불활성 가스분위기하에서 $300-600^{\circ}C$로 열처리 하였다. 구리리본전극의 코팅층은 68.99 wt.%의 납과 31.21 wt.%의 주석으로 구성되어 있는데, 각각의 온도에서 코팅층을 용해한 후 반응도가니에 용해된 코팅층 회수하였다. 열처리 후 회수되어진 코팅층은 ICP-MS (Inductively coupled plasma mass spectrometry)로 성분 분석을 실시하였으며, 온도범위에 관계없이 95 wt.% 이상의 구리순도를 얻을 수 있었다. 구리리본전극 샘플의 횡단면은 SEM (scanning electron microscopy) and EDX (energy dispersive X-ray microscopy)로 관찰하였다.

Keywords

References

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  2. Development of New Device and Process to Recover Valuable Materials from Spent Solar Module vol.780, pp.1662-9795, 2018, https://doi.org/10.4028/www.scientific.net/KEM.780.48