New Durable High Power Lithium Ion Battery from Germany

12 Мар 2014 | Author: | Комментарии к записи New Durable High Power Lithium Ion Battery from Germany отключены
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New Durable High-Power Lithium-Ion Developed In Germany

Scientists at for Solar Energy and Hydrogen (ZSW) in Ulm, Germany a top-class lithium-ion battery, in of cycle stability – an important for the lifetime. It is exceeding the current state of technology for high-performance cells.

ZSW cells. 18650 (Source: ZSW)

More 85% of Capacity after 10,000

More than 10,000 cycles have been so far. With other such as the power density, the are equivalent to those produced by Asian manufacturers. The active for the batteries exclusively originate German companies. The ZSW has designed the developed the manufacturing process, and a small sample series in the The technology has created the basis for large-size pouch cells and prismatic cells.

The lithium-ion batteries are intended for use in vehicles and as solar power systems.

“ After 10,000 charging and discharging cycles a complete charge and discharge per hour (2 C), our lithium batteries have more than 85% of the capacity ,” reports Dr. Margret head of the Accumulator Material Department in Ulm. “That provides excellent prospects for a calendar life.” A long life is an essential requirement automotive companies. Lithium-ion batteries to be able to do their work in for at least ten years without the capacity dropping to less 80% of the rated value.

Coating line for electrodes in the (Source: ZSW)

Because the for applied research in Ulm has such a understanding of the processes inside the it was also able to reach values for other relevant parameters. For example, the cells a power density of 1,100 per kilogram . which is also at an level. The power density the available power per weight. For an vehicle,  this figure short charging times and an acceleration capability .

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In the next stage, the researchers and at ZSW want to develop electrodes for prismatic lithium cells with partners from “It’s essential to master the demonstrated cell technology going on to produce large explains Margret Wohlfahrt-Mehrens. She that although further and development work is necessary for the implementation in large cells, is in principle possible .

New Battery Research Manufacturing

A few days after announcing the of the long-lived lithium ion cell, the ZSW a five-year cooperation agreement on May with industry partners. The states that researchers of the ZSW develop new manufacturing processes and ready for mass production for industry requirements.

Among the industry partners are BMW AG, AG, Elring Klinger AG, Manz AG, Lithium GmbH, and SGL Carbon

New eLab Facility (Source:

On the same date, the ZSW laid the for a new 3000 sq. meter research facility in Ulm to be completed in 2015. The received funding from the Ministry for Education and Research

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