Aussie Firm Stirs Market with Silver-free Cell at Record 25.54% Efficiency Updated On Wed, Sep 15th, 2021 by Saurenergy Sydney-based solar technology startup SunDrive has reportedly made a breakthrough, producing a a silver-free commercial-size silicon solar PV cell with a record breaking efficiency of 25.54%. The previous record was held by LONGi for its commercial-size monocrystalline heterojunction (HJT) solar cell that achieved an efficiency of 25.26% during testing at ISFH earlier this year. The German […] Read more