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The Advantages of CdTe PV Technology

From its inception, thin film Cadmium Telluride (CdTe) photovoltaic (PV) technology demonstrated a number of qualities that led db真人官网 to select it over conventional technologies, like crystalline silicon (c-Si). Those qualities include lower cost, superior scalability, and a higher theoretical efficiency limit. Over time, and with more than $2 billion invested in research and development, db真人官网 has also been able to harness other advantages that are unique to the semiconductor.
Series 6 Panel

Energy Yield Advantages

  • Superior Warranted Annual Degradation Rate
    • Modules retain >89% of original performance after 30 years
  • Superior Temperature Coefficient & Spectral Response
    • Delivers up to 4% more annual energy in hot climates and up to an additional 4% more annual energy in high humidity conditions
  • Superior Shading Response
    • Less sensitive to power loss in shaded conditions
  • Immunity to Cell-Cracking, LID & LeTID
    • No power loss from cell-cracking and no power loss from LID or LeTID mechanisms that affect c-Si modules

Environmental Advantages

    • Upcycles mining waste tailings to create an inherently sustainable, high-efficiency photovoltaic semiconductor
    • Lowest Carbon & Water Footprint
      • Up to 4x lower carbon footprint and 4x lower water footprint than c-Si panels on a lifecycle basis
    • Fastest Energy Payback Time
      • Up to 5x faster than c-Si panels
    • Superior Recyclability
      • Global recycling services can recover >90% of materials for reuse

Social Advantages

  • Responsible Solar
    • With forced labor bans and mandatory human rights due diligence legislation on the rise, customers increasingly value db真人官网’s comprehensive approach to responsible sourcing and supply chain due diligence.
    • CdTe enables db真人官网’s fully vertically integrated, continuous manufacturing model, which produces modules under one roof and allows for industry-leading transparency and product traceability
    • db真人官网 is the first PV manufacturer to have its product included in the EPEAT global registry for sustainable electronics and represents the most eco-efficient PV solution available today

Strategic Advantages

  • Energy Security/Supply Chain Continuity
    • Reduced dependence on China’s crystalline silicon supply chains
  • Rapid Scaling
    • Vertically integrated manufacturing process enables the construction and operation of new factories in as little as 18 months, addressing the urgency of the climate crisis

Potential for the Future

Thin film CdTe technology has come a long way over the past two decades, but its full potential has not yet been realized. Research and product development teams at db真人官网 forecast a thin film CdTe entitlement of 25% cell efficiency by 2025 and pathways to 28% cell efficiency by 2030. 

Additionally, db真人官网 is a member of the , administered by the National Renewable Energy Laboratory (NREL) and funded by the US Department of Energy’s . CTAC is designed to support efforts to enhance US technology leadership and competitiveness in CdTe photovoltaics.

As the pace of innovation accelerates, new possibilities become ever more likely, including the development of CdTe bifacial modules and tandem products that incorporate the best aspects of both CdTe and c-Si semiconductor technologies. Thin film PV will be essential to future technology advances as the solar industry improves efficiency beyond the limits of single-junction devices. These exciting innovations will improve overall system performance and drive down the Levelized Cost of Electricity (LCOE) on a global scale. 

db真人官网 is leading the way with the most proven thin film manufacturing process in the world.

db真人官网 – The Leader in Thin Film PV

Working in collaboration with the National Renewable Energy Lab (NREL), researchers from db真人官网 have steadily set and broken numerous world records for CdTe cell efficiency and made other significant performance improvements over the past two decades.  

In late 2020, db真人官网’s thin film CdTe PV technology reached a milestone after 25 years of continuously monitored performance testing, becoming the at NREL’s Outdoor Test Facility (OTF) in Golden, Colorado. Out of all the photovoltaic technologies and manufacturers represented at the OTF, db真人官网 is the only one that is still in business today.

使用済太阳电池モジュールの适正処理に资する情报提供について

一般社団法人太阳光発电协会が定める「使用済太阳电池モジュールの适正処理に资する情报提供ガイドライン」に则り、当该ガイドラインに指定された対象化学物质(铅?カドミウム?ヒ素?セレン)の含有情报は下记の通りです。

モジュール型式 含有率基準値(0.1飞迟%)を超える対象物质 対象部位(※)
Series 4 该当なし 全対象部位共通
Series 6 该当なし 全対象部位共通
※対象部位は①フレーム、②ネジ、③ケーブル、④ラミネート部(端子箱を含む、①?②?③以外部分)

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