Oxford PV Perovskite Solar Cells Show Positive Environmental Impact First Results

Preliminary results from independent study on perovskite solar technology leader’s photovoltaic cells show positive impact on global warming and energy demand.

Oxford, 04 April 2018 – Oxford PV – The Perovskite Company, the leader in the field of perovskite solar cells, today announced that its perovskite-on-silicon tandem solar cells, currently being used to conduct a life-cycle environmental impact study, have shown positive first results.

The study, commissioned by CHEOPS - a perovskite research project co-funded by the European research and innovation programme Horizon 2020, is being conducted by SmartGreenScans, a CHEOPS member, specialising in Life-Cycle Assessments (LCA) of photovoltaic technologies, to assess the life-cycle environmental impact of the perovskite-on-silicon tandem cells being commercialised by Oxford PV.

The first results from SmartGreenScan’s study shows that the primary impact of Oxford PV’s perovskite-on-silicon tandem cells on the use of resources, global warming potential and energy demand, comes from the standard silicon device not the perovskite device, added to the silicon device in a tandem configuration to increase the efficiency of the silicon cell.

The preliminary results are the first stage of a full “cradle-to-grave” LCA analysis currently being conducted by SmartGreenScans, which will also include the installation, operation, maintenance and end-of-life phases of the photovoltaic module.

Dr Sylvain Nicolay, CHEOPS project coordinator, commented “Given their low cost and high-power conversion efficiency, perovskite solar cells have gained attention in recent years. However, the use of this perovskite solar cell technology has also raised concerns about their health and environmental impact, notably due to the presence of lead. The first finding from SmartGreenScans positively indicates that the emitted lead from tandem modules has only a small contribution to ecotoxicity [less than 0.3% from the complete PV device]. This can be regarded as a first encouraging result, indicating that the minimal presence of lead in the perovskite film should not be considered as a barrier to the adoption of this technology.”

“We are delighted to be working with our CHEOPS partner SmartGreenScans on this environmental impact assessment of the perovskite solar cell technology, commented, Dr Chris Case, Chief Technology Officer at Oxford PV.

“These initial results are the first steps in providing a comprehensive, independent verification that our perovskite solar cells will not have a negative impact on the environment and instead provide the silicon photovoltaic industry the opportunity to significantly enhance the performance of their cells and modules.”

For more information about Oxford PV visit: www.oxfordpv.com comment↓

SEE ALSO:   Industrial Chimera or Evolutionary Leap: Perovskite Solar Cells and Cheap, Ubiquitous Solar Energy

* Cover image credit: Oxford PV


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