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HANNOVER MESSE 2019, 01 - 05 April
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Energy

Traditional lead-acid batteries can do better

Lead batteries are among the oldest and the most common types of battery in the world. Now researchers from the Fraunhofer Society want to make this variety fit for the future.

29 May. 2018
HMI-ID05-039ts_Fraunhofer
Traditional lead-acid batteries can do better (Photo: Fraunhofer-Allianz Batterien)

Every car battery and every emergency power system today relies on lead-and-acid battery technology. With the transition to cleaner energy and the trend towards more electric cars, however, demands on battery performance are also increasing. More than 200,000 t of these traditional lead-acid batteries are produced each year, but researchers at the Fraunhofer Institute for Silicate Research (ISC) in Würzburg and partners from the industrial sector are currently exploring a sustainable alternative – one which is intended to be more resource-friendly in production and charge more quickly, with increased energy density and a longer life. Exide Technologies is coordinating the project.

The work is focused on electrochemical studies and model-based analysis, with the project to be documented against a traditional 30 kWh battery. Batteries of this type currently have a range of around 200 km in an electric car. The collaborative project, named AddESun , will continue until the end of August 2020 and has a budget of 3.41 million euros funded 60% by the German Federal Ministry for Education and Research.

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