Lithium-sulphur technology batteries made headlines this week with the announcement that a consortium of leading energy companies is planning to develop what it describes as “safe, lightweight and robust solar energy storage systems for the military around the world.”
The group consists of battery developer OXIS; battery, charger and power management company Lincad; PureWafer, from the photovoltaic sector; and inverter manufacturer Solutronic. The consortium cites lithium-sulphur cell technology as being extremely lightweight and able to withstand extreme abuse, making it ideal for military applications.
Another factor in lithium-sulphur’s favour is its potential to outclass traditional lithium-ion in the capacity stakes. According to Megan Treacy, reporting for Tree Hugger, researchers at Oak Ridge National Laboratory in Tennessee, USA, have developed units that store four times as much energy as a lithium-ion battery. It is claimed to be cheaper to make and safer, too.
A previous hitch with the technology was overcome by switching to a solid electrolyte, says the research team.