48 Volt hybrid battery addresses subcompact class

October 11, 2017 // By Christoph Hammerschmidt
Bosch has developed a 48-volt battery for hybrids. Similar to the manufacturer's eAxis, the new battery is standardised and can therefore be easily integrated into new vehicle models. The installation of the lithium-ion battery is not only worthwhile in the compact class, but also in small and very small cars. Production is expected to start at the end of 2018.

Bosch expects a large market for entry-level hybridization, and therefore offers not only the 48-volt battery but also other drive components. In 2025, the company estimates that around 15 million new vehicles will be 48-volt hybrids.

Car manufacturers are striving to reduce CO2 emissions and thus the fuel consumption of cars. Bosch has designed the new 48-volt battery for this purpose. According to Bosch, it is already in discussions with more than a dozen customers and has won a significant number of serial projects.

The concept can help to reduce CO2 emissions from vehicles at a comparatively low cost. This is also due to product design. The battery does not require active cooling and is housed in a plastic housing instead of metal. Both save costs. Installation in the plastic cover is a real challenge, as the lithium cells swell up when the battery is charged and over its service life. So the packaging has to withstand a lot of wear and tear. Bosch engineers have rearranged the cells of the 48-volt battery so that a plastic housing can withstand the pressure.

More information: https://de.bosch-automotive.com/de/


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