Strong Performance

Although our sodium-ion batteries work in a similar way to other rechargeable batteries, they have some unique advantages. These include an extended operational voltage window, which offers safety benefits, and a wide temperature range.

Our substantial Intellectual Property portfolio enables a cell chemistry to be designed specific to an application.

Available Voltage Range

From zero to 4.3 Volts. The capability to be cycled to and stored at zero volts leads to safer cells and cheaper costs.

Energy Density

We have prioritised developing high energy density cells to meet the demands of current and future applications. Our prototype cells deliver energy density in excess of 125 Wh/kg, with a design performance of 140 Wh/kg in 10Ah pouch cells. Current cell designs can provide gravimetric and volumetric energy densities comparable to lithium-ion and greatly in excess of lead-acid batteries.

Power (Rate) Capability

Sodium-ion cells can be cycled under conditions suitable for energy storage and mobile applications. An example of the cycling rates is a range of 2C (0.5 hour) to C/10 (10 hours). In addition high power bursts can be achieved with our Na-ion technology.

Cycle Life

The cycle life is designed to meet the requirements of the application. The cycle life of sodium-ion cells ranges from hundreds to thousands of cycles, depending on depth of discharge and charge/discharge conditions.

Temperature Range

Sodium-ion cells have demonstrated performance and excellent capacity retention over the temperature range -20°C to +60°C.


 

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