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Project overview
  • Lead Organisation

    SunDrive Solar Pty Ltd (SunDrive)


    Wollongong, New South Wales

    ARENA Program

    Advancing Renewables Program

  • Start date

    23 March 2020

    End date

    21 March 2023

  • Project Partners


The SunDrive Copper Metallisation Demonstration project aims to progress SunDrive’s copper electrochemical solar cell technology to the next stage of commercialisation.


The SunDrive Copper Metallisation Demonstration project acknowledges that approximately three percent of the world’s electricity is generated from solar photovoltaic (PV) technology. If solar PV is to become the dominant global energy source in the coming decades, then more advanced solar cells will be required.

A key barrier to the broader adoption of next generation solar cell technologies is the use of silver. Solar manufacturing represents an estimated 20% of annual global industrial silver consumption. This will be exacerbated as the industry attempts to move to higher efficiency cell structures which require two to three times more silver per cell, presenting an ongoing supply risk if solar demand is to grow five-fold as predicted within the next decade.

Last updated
28 October 2022


SunDrive is attempting to solve this issue through developing its copper electrochemical process which replaces silver with copper. The project will help to commercialise SunDrive’s technology through achievement of the following objectives:

  • iterate the cell design and processing requirements to improve cell efficiency
  • scale the technology from individual industrial-size cells to a commercial-size module
  • develop and demonstrate a small-scale prototype automated production line.


The project aims to progress SunDrive’s technology to the next stage of commercialisation, where further funding can be raised to deploy a large-scale pilot production line to fabricate SunDrive’s proprietary copper-based solar cells. These cells are expected to be higher in efficiency and lower in cost compared to currently-best-available silver and other competing copper methods.

SunDrive will initially focus its technology on the distributed and rooftop solar sector, where space is at a premium and where higher efficiency cells can produce greater amounts of energy.

Last updated 28 October 2022


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