42 September/October 2025 | E-Mobility Engineering Peter Donaldson plugs into the power behind e-mobility battery development exhibited at The Battery Show Europe 2025 Battery potential Walking the exhibition floor at The Battery Show Europe, held in Stuttgart from 3–5 June, revealed a wealth of new developments in r&d tools and platforms, cell components, highvoltage connectivity, joining processes and factory development, energy storage, drive module design, and battery management, repair and recycling. About:Energy is accelerating battery development through its datadriven modelling platform, which is designed to help engineers compare cells and optimise pack designs without physical testing. The company’s cloud-based Voltt platform integrates lab-validated electrical, thermal and degradation models for over 30 commercial and proprietary cells, with new additions weekly. “We’ve cut modelling time to three weeks per cell, letting customers simulate performance under their own drive cycles before committing to physical prototypes,” said Lorenzo Bergamaschi of About:Energy. The platform supports thermal analysis, critical for evaluating cooling strategies across all form factors: cylindrical, largeformat prismatic or pouch cells. Originally serving automotive clients, About:Energy is now expanding into aerospace, addressing niche requirements such as mixed-chemistry packs. The upcoming Voltt platform update enables direct simulation without third-party tools, offering free trials for rapid evaluation. While currently focused on performance metrics, both safety and anomaly detection are in development. The models already allow pack-level simulations by linking multiple cell models, useful for sizing packs using cells with the highest energy- and power-density available. Albright International showcased its latest high-voltage contactors designed for EV battery systems. These contactors are engineered to handle high voltages, disconnecting large energy flows and effectively quenching arcs that could potentially weld contacts together. This is critical for ensuring safety in lithium battery packs, especially for off-highway vehicles, marine applications and DC power systems. The HV500 series marks Albright’s evolution from low-voltage contactors to 1000 V/500 A bidirectional units capable of managing EV charging and vehicle-to-grid applications. These sealed contactors utilise two primary arc-quenching technologies: an inert gas mixture and high-powered magnets that stretch and dissipate arcs during emergency switching. “Welding prevention is a top priority,” explains Albright’s Dean Crew. “To address this, Albright has engineered a robust design featuring a stronger coil and return spring that helps break micro-welds, along with optional silver Held in seven halls of the giant Stuttgart Messe exhibition centre, including one for the accompanying conference, the 2025 event attracted more than 17,300 visitors and 1160 suppliers
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