German energy storage firm Tesvolt has teamed up with Korean cell manufacturer Samsung SDI on a new high voltage lithium-ion battery.
The battery contains Samsung SDI’s new prismatic lithium cells, which were recently introduced into BMW’s electric cars.
The 4.8kWh system can be scaled up to multiple MWh in 4.8kWh module increments.
Simon Schandert, co-founder and Director of Engineering at Tesvolt, unveiled the new storage system at the Energy Storage Europe in Düsseldorf, Germany.
He said: “The new lithium cells from Samsung SDI are currently opening new doors in the electric automobile industry.
“Alongside BMW, other automotive manufacturers want to focus on these prismatic, lithium cells based on nickel manganese cobalt oxide, as their enormously high energy density can double the range of electric cars.”
The new cells have been combined with the Active BAT Optimizer – Tesvolt’s battery management system – to ensure active cell balancing between all cells, including between the different battery modules.
This, according to Schandart, allows the companies to achieve a battery system efficiency of 98%, and a lifespan of around 30 years.
The storage system can operate at between 48V and 1,000V for stationary commercial and industrial applications, and can complete around 6,000 cycles with a 100% depth of discharge, say Tesvolt.
The storage system will be available in June, and comes with a 10-year performance warranty for the number of cycles and efficiency of the new batteries.
Samsung SDI also showed its innovations in the area of energy storage. Two new energy storage system (ESS) products, high-capacity E2 and high-power P3 were presented at the exhibition.
The energy density of E2 and P3 models has been improved by increasing capacity by 10% to 15% while retaining the same size as previous ESS containers.