Featured in TOP notch – 03-2022

The right time for TOPCon

The potential advantages of n-type technologies have long been known to solar manufacturers, and such applications have been the focus of much of their research and development activities. Recent developments see 2022 shaping up as the year when n-type goes into mass production, led by tunnel oxide passivated contact (TOPCon) cells. pvĀ magazine takes a closer at this cell technology and its route to the mainstream.
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Image: Jolywood

An eventual switch to n-type technologies has been on the PV cell manufacturing roadmap for several years. Various n-type cell concepts have been in the running and seen some commercial development, including n-PERT, interdigitated back contact, and heterojunction. Work on these continues, however, one n-type cell now looks to be headed into mass production ahead …

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