Tesvolt awarded Hugo Junkers Prize for technical innovation

Wittenberg/Magdeburg, 15 December 2016 – Commercial storage system manufacturer Tesvolt has today been awarded the Hugo Junkers Prize for its intelligent battery management system. The Wittenberg-based company came first in the “Most Innovative Product Development” category, ahead of 42 other contenders. The judging panel was particularly impressed by the energy storage unit’s high cell balancing efficiency of 92 percent and its long lifespan, which is made possible by Tesvolt’s proprietary battery management system. The Hugo Junkers Prize has been awarded by the Ministry of Economy, Science and Digitalisation of the State of Saxony-Anhalt for 25 years and hands out prize money totalling 90,000 euros.

Innovative storage management system extends lifespan of battery cells

Innovation for the global market
“Tesvolt’s battery management system significantly reduces the amount of energy lost during battery charging and discharging. The judges were also won over by Tesvolt’s ambitious, young team. Thanks to its international storage projects, Tesvolt serves as a prime example of commercial success in Saxony-Anhalt, Germany and beyond,” explains head judge Prof. Mirko Peglow, Technical Director of the Pergande Group, one of Europe’s leading companies in the field of granulation.

Extended battery lifespan
Tesvolt’s active bidirectional battery management system monitors the condition of cells in order to prevent damage early on. This involves permanently tracking the temperature, voltage and state of charge of each individual cell. As a result of these measures, Tesvolt’s battery storage systems have a lifespan of around 20 years and a depth of discharge (DoD) of 90 percent.

High efficiency rating
By controlling every single cell, Tesvolt’s battery management system distributes stored energy more efficiently and quickly between the cells than conventional passive or unidirectional cell control equipment. This leads to a very high efficiency rating of 92 percent when balancing energy between the cells. In passive management systems, conversely, energy is lost in the form of heat as the cells are balanced. In unidirectional control systems, the only way for all the cells to have an even state of charge is for energy to flow from adjacent cells. However, this process takes longer and results in higher energy losses.

Award ceremony
“Winning the Hugo Junkers Prize is a huge honour for us,” says Simon Schandert, Director of Engineering at Tesvolt. “Our battery management system is a pioneering piece of technology. This award therefore confirms that we are on the right path, encouraging us to continue making advances in storage technology and contributing to the energy transition.”

The Hugo Junkers Prize award ceremony was held in Magdeburg in the factory buildings of a former Junkers engine factory, which today has been converted into the Kongress- und Kulturwerk Fichte conference and events centre. The prize was presented by Prof. Mirko Peglow.

About Tesvolt
TESVOLT specializes in commercial battery storage systems. The innovative company from Lutherstadt Wittenberg produces storage systems with the most modern battery cells: prismatic lithium cells from Samsung SDI based on nickel-manganese-cobalt-oxide. TESVOLT storage systems function just as well at low voltage as at high voltage, and can be connected to all energy producers: sun, wind, water, biogas and combined heat and power — on-grid and off-grid.
The TESVOLT commercial storage solutions are manufactured in the first Gigafactory for battery storage systems in Europe at the Wittenberg location.

TESVOLT was awarded the German Entrepreneur Award in 2018 in the category "Rising Star". For the off-grid power supply of an avocado farm in southwestern Australia, TESVOLT received the "The smarter E award" in the "Outstanding projects" category as well as the International Award for Rural Electrification (ARE).

From left: Tjorven Graßnick (Quality Manager at Tesvolt), Simon Schandert (Director of Engineering at Tesvolt) and Daniel Hannemann (Managing Director of Tesvolt) (image source: Andreas Lander)
From left: Prof. Dr Armin Willingmann (Minister for the Economy, Saxony-Anhalt), Tjorven Graßnick (Quality Manager at Tesvolt), Daniel Hannemann (Managing Director of Tesvolt), Simon Schandert (Director of Engineering at Tesvolt) and Prof. Mirko Peglow (Technical Director of Pergande Group) (image source: Andreas Lander)
Logo Hugo Junkers Award (image source: IMG Investitions- und Marketinggesellschaft Sachsen-Anhalt mbH)
Active bidirectional battery management system (image source: Tesvolt)
Active bidirectional battery management system (image source: Tesvolt)
Batteries with voltage and temperature monitoring sensors (image source: Tesvolt)
Cell balancing efficiency rating achieved by various battery management systems (image source: Tesvolt)
Simon Schandert, Director of Engineering at Tesvolt (image source: Tesvolt)
All Tesvolt storage systems are manufactured in Germany. (image source: Tesvolt)
Tesvolt’s storage system production facility (image source: Tesvolt)
Tesvolt’s storage system production facility (image source: Tesvolt)
Daniel Hannemann (li.), kaufmännischer Geschäftsführer, und Simon Schandert, technischer Geschäftsführer von TESVOLT (Photo credit: TESVOLT)
Logo TESVOLT (Photo credit: TESVOLT)

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