Highly efficient and low cost photovoltaic-electrolysis (PVE) system to generate hydrogen by harvesting the full spectrum of sunlight

December 6th, 2021

R&D Focus Areas:
Electrolysis, Thermal water splitting, Techno-economic evaluation

Lead Organisation:
University of New South Wales (Sydney)

Raygen Resources Pty Ltd; Beijing Zhongchao Haiqi Technology Co Ltd, China; Shenzhen Kohodo Sunshine Renewable Energy Co Ltd, China


Start date:
August 2018

Completion date:
Estimated July 2022

Key contacts:
Scientia Professor Rose Amal: r.amal@unsw.edu.au

AU$1,319,105 – Australian Renewable Energy Agency (ARENA)

 Project total cost:
AUD$5,040,736 – combined cash and in-kind contributions

Project summary description:
Photovoltaic electrolysis (PVE) is a promising approach to produce renewable hydrogen for export from sunlight and water. The main obstacle to utilising photovoltaic electrolysis to produce hydrogen is the high cost and modest efficiency. The project aims to lower the cost of renewable hydrogen produced via PVE by improving the energy efficiency of transition metal-based alkaline water electrolysers and the overall solar to hydrogen conversion efficiency of PVE systems. This approach is anticipated to lead to the development of an integrated PVE system demonstrating an overall solar-to hydrogen conversion efficiency >30%.

Related publications and key links:

Higher degree studies supported:
Three PhD students at University of New South Wales (Sydney) are supported by this project.


December 2021