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<p>Rising global energy demand is accelerating the adoption of power semiconductor devices (PSDs), and tens of billions of PSDs will be decommissioned in the coming years. By 2050, the number of decommissioned PSDs annually may reach about 33.5 billion, creating major environmental challenges from electronic waste. The design lifetime of PSDs often exceeds that of their host equipment; as a result, many decommissioned PSDs still retain useful life for reuse. This Perspective outlines a roadmap for graded recycling and second-life use of decommissioned PSDs, supported by life-cycle analysis and multidimensional assessment — technological, economic, environmental and societal — to drive the transition to a circular economy in the power electronics sector. We identify key challenges in industrializing PSD recycling and propose future directions for researchers, engineers, industry stakeholders and policymakers.</p>

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Recycling power semiconductor devices

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • Peng Sun,
  • Zheng Zeng,
  • Xiaofei Pan,
  • Li Ran,
  • Yihua Hu,
  • Songtao Huang,
  • Yangang Wang,
  • Jian Li

摘要

Rising global energy demand is accelerating the adoption of power semiconductor devices (PSDs), and tens of billions of PSDs will be decommissioned in the coming years. By 2050, the number of decommissioned PSDs annually may reach about 33.5 billion, creating major environmental challenges from electronic waste. The design lifetime of PSDs often exceeds that of their host equipment; as a result, many decommissioned PSDs still retain useful life for reuse. This Perspective outlines a roadmap for graded recycling and second-life use of decommissioned PSDs, supported by life-cycle analysis and multidimensional assessment — technological, economic, environmental and societal — to drive the transition to a circular economy in the power electronics sector. We identify key challenges in industrializing PSD recycling and propose future directions for researchers, engineers, industry stakeholders and policymakers.