German Li-ion Pride

Thursday 30th May 2013

Researchers in Germany have made a breakthrough in lithium-ion battery technology. Working at the Solar Energy and Hydrogen Research (ZSW) in Ulm, scientists improved the cycle stability of li-ion batteries, which impact on the cell’s life expectancy, with 10,000 full cycles achieved from the developing technology.

The development points towards the manufacturing of large-size ‘pouch cells’ as used in electric vehicles (EV) and for solar power storage - so any advance in technology impacts on green energy efforts elsewhere.

Dr. Margret Wohlfahrt-Mehrens, Head of the Accumulator Material Research Department at ZSW explains the importance of their work: “After 10,000 complete charging and discharging cycles with a complete charge and discharge cycle per hour (2 C), our lithium batteries still have more than 85% of the initial capacity. That also provides excellent prospects for a long calendar life.”

A long life for Li-ion batteries is vital for the further development of electric cars, if batteries can last for 10 years without dropping below 80% of their energy rating, it will make EVs far more viable as a long term transport solution.

The team has also been able to develop further improved features in the batteries, such as cells that have a power density of 1,100 watts per kilogram, which quantifies the available power per weight resulting in shorter charging times and excellent acceleration capability.

Source: Solar Energy and Hydrogen Research.

Categories: General, Reviews, Technology

Thursday 30th May 2013


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I am so glad that we are living in an era where such wonderful inventions are being made and we are getting the privilage of using them also. http://www.karinherzog.com/fr

Commented By Danny Ply on Tuesday 4th June 2013 07:24:33