The Research and Development (R&D) Centre of Dubai Electricity and Water Authority (DEWA) has filed a patent for an innovative method to improve the performance of electrodes in lithium-ion (Li-ion) batteries, sodium-sulphur batteries and electrolyte distribution batteries.
DEWA achieved this by treating the electrodes chemically using a polymer to increase the number of active groups on the surface of the electrodes, leading to improved performance.
The low-cost and environment-friendly method requires low temperatures and ensures stable battery performance.
This is part of the centre’s efforts to promote the technologies of energy production and storage.
All you need to know about the DEWA patent
The patent supports the pilot project for energy storage that DEWA has inaugurated at the Solar Park using Tesla’s lithium-ion battery solution.
The project has a power capacity of 1.21 MW and an energy capacity of 8.61 MWh with a life span of up to 10 years.
It is the second battery energy storage pilot project by DEWA at the Mohammed bin Rashid Al Maktoum Solar Park.
The first project was implemented in collaboration with AMPLEX–NGK to install and test a sodium sulphur (NaS) energy solution with a power capacity of 1.2 MW and an energy capacity of 7.5 MWh. This was the first utility-scale energy storage pilot project in the region.
Saeed Mohammed Al Tayer, MD & CEO of DEWA, said: “DEWA relies on research and innovation to support the development of energy storage technologies and increase the share of clean and renewable energy. This supports the Dubai Clean Energy Strategy 2050 and the Dubai Net Zero Carbon Emissions Strategy 2050 to provide 100 percent of Dubai’s total power production capacity from clean energy sources by 2050.
“DEWA is working on other energy storage projects, including using Concentrated Solar Power (CSP) at the fourth phase of the Mohammed bin Rashid Al Maktoum Solar Park, the 250MW hydroelectric power plant in Hatta with a storage capacity of 1,500 megawatt-hours, and the Green Hydrogen project to produce and store hydrogen using solar power.
“DEWA’s R&D Centre is a global platform that provides innovative solutions and technologies for the operations and services of the utility sector worldwide. This maintains DEWA’s worldwide leadership and enhances Dubai’s position as a global hub for research and development in solar power, smart grids, water, energy efficiency, and capacity building in these sectors.”
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