Featured in Fast track to high power – 05-2021

All that glitters is HJT

The devil is in the details, as they say, and when it comes to the next generation of mass-produced, high-efficiency PV cells, silver costs may be devilishly hard to reduce. Making things worse, prices for the precious metal are now heading in the wrong direction.

By

Jonathan Gifford

04 May 2021

Heterojunction (HJT) technology may be a well-established pathway to beyond 24% cell efficiencies, and there is some momentum among manufacturers to build up HJT production capacities. However, the high capex costs for HJT lines, some three times higher than that required for PERC, is understood by many to have been a break on the technology’s …

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