Sony is working on a new battery, expected to be completed in 2020, that utilizes lithium and sulfur energy storage in order to provide 40% higher energy density.
Specifically, the battery uses sulfur at the negative electrode and lithium at the positive electrode to boast an energy density per unit volume of 1,000 Wh/L.
To put that in perspective, the majority of lithium-ion batteries today have an energy density of approximately 700Wh/L.
At the moment, Sony plans to make a commercial version as a laminated battery to be used in smartphones, a move that could represent quite the difference in battery juice in 2020.
