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Modular battery concept for short-distance traffic

(Nanowerk News) Electric mobility may be economically efficient today. Battery-based electric drives can be applied efficiently in urban buses, for instance. Frequent acceleration and slow-down processes as well as a high utilization rate in short-distance traffic make their use profitable even when considering current battery costs. At the IAA International Motor Show in Frankfurt, Karlsruhe Institute of Technology (KIT) will present an e-city bus demonstrator to illustrate the concept (Hall 3.1, D13).
The key modules of the demonstrator are a drive train with a high-torque electric motor, a high-voltage network, a battery management system, and a novel modular battery system with lithium-ion cells made in Germany. At the IAA, the demonstrator developed for drive tests will present options for the design of the electric drive train of buses.
Modular batteries (orange) can be integrated easily in the free space of the vehicle
Modular batteries (orange) can be integrated easily in the free space of the vehicle. (Figure: KIT)
Using the demonstrator, the innovation potential of KIT’s research results can be validated and interaction of the components can be analyzed experimentally under the simulated operating conditions. “In this way, the demonstrator contributes to the further development of electric mobility,” Andreas Gutsch, coordinator of the Competence E project at KIT, explains.

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