Sodium-ion batteries for EVs & renewables storage

Scientists from the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed a sodium-ion battery (NIB) that can purportedly overcome the main challenge with such storage systems – the ability to hold a charge after repeated cycles of charging and discharging.

The researchers said this issue is strictly correlated to the instability of the solid-electrolyte interphase (SEI), which is generated on the anode of lithium-ion batteries during the first few charging cycles, in order to prevent electrolyte decomposition and maintain cycling ability. The SEI layer should be well adhered to the electrode material, exhibit good electronic insulation properties, and be able to conduct lithium ions.

DG Innovate plc (LON:DGI) is an advanced research and development company pioneering sustainable and environmentally considerate improvements to electric mobility and storage, using abundant materials and the best engineering and scientific practices. DGI is currently developing its products alongside a number of major manufacturers across the transportation and energy sectors, research institutions and the UK Government and has filed 18 patents worldwide.

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