Ultra-efficient solar module paves way to photovoltaic future

An EU-funded project has achieved some of the highest efficiencies ever recorded for a solar module, paving the way for broader commercial deployment of concentrator photovoltaic systems to help drive Europe's transition to renewable energy.

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Countries
Countries
  Algeria
  Argentina
  Australia
  Austria
  Bangladesh
  Belarus
  Belgium
  Benin
  Bolivia
  Bosnia and Herzegovina
  Brazil
  Bulgaria
  Burkina Faso
  Cambodia
  Cameroon
  Canada
  Cape Verde
  Chile
  China
  Colombia
  Costa Rica
  Croatia
  Cyprus
  Czechia
  Denmark
  Ecuador
  Egypt
  Estonia
  Ethiopia
  Faroe Islands
  Finland
  France
  French Polynesia
  Georgia


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Published: 17 April 2019  
Related theme(s) and subtheme(s)
EnergyReliability of supply  |  Renewable energy sources
Environment
Industrial research
Innovation
Research policyHorizon 2020
SMEs
Countries involved in the project described in the article
France  |  Germany  |  Italy  |  Spain
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Ultra-efficient solar module paves way to photovoltaic future

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© Instituto de Energía Solar/Guido Vallerotto and Marta Victoria, 2017

Updated on 17 April 2019

The EU-funded CPVMATCH project set out to bridge the gap between theoretical ultra-high efficiency solar cells and practical applications by targeting performance improvements and cost reductions through innovative designs, materials and manufacturing techniques.

The project focused on a technology called concentrator photovoltaics (CPV) which uses mirrors or lenses to capture sunlight and concentrate it on to miniature multi-junction solar cells; the system is driven by a tracker that follows the sun’s path during the day. These CPV cells use different materials stacked on top of each other to capture more of the light spectrum more efficiently than conventional photovoltaics.

One four-junction module tested in the project was able to convert 41.4 % of direct solar irradiation into electricity – the highest value ever measured for a photovoltaic module and about twice the efficiency of conventional modules.

‘The module clearly demonstrates the potential of CPV, and paves the way for further improvements,’ says project manager Gerald Siefer of the Fraunhofer Institute for Solar Energy Systems in Germany. ‘On the cell side, we have successfully demonstrated designs for cells using alternative materials, and we are sure that in the short term we could bring efficiency to 45 % or more.’

Although cost and material challenges mean full-scale commercial production of modules with above 40 % efficiency remains some way off, the CPVMATCH partners are already deploying techniques and technologies developed in the project across a number of photovoltaic products, including achromatic lenses and mirror optics.

Among several key innovations, the CPVMATCH partners developed efficient methods for producing cells with four junctions. They also improved the design of the module which contains the cell and the concentrating optics – a key factor in reducing manufacturing costs and minimising resource use and the carbon footprint of solar-panel production.

‘In CPVMATCH, we have addressed all production steps for concentrator modules, starting from the materials, through cell fabrication and production systems, and up to the challenges facing module manufacturing,’ Siefer concludes.

Project details

  • Project acronym: CPVMATCH
  • Participants: Germany (Coordinator), Italy, Spain, France
  • Project N°: 640873
  • Total costs: € 4 949 596
  • EU contribution: € 4 949 596
  • Duration: May 2015 to October 2018

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