E-Mobility Engineering 016 l Aurora Powertrains eSled dossier l In Conversation: Thomas de Lange l Automated manufacturing focus l Torque sensing insight l Battery Show Europe 2022 report l Sodium batteries insight l User interfaces focus

4 Intro Developments in hydrogen fuel cell technology look set to make it a truly viable power source for electric mobility 6 The Grid GKN Aerospace eyes cryogenics to boost the efficiency of fuel cell-powered aircraft, algorithm offers promise of quicker battery charging and longer life, Amogy unveils ammonia-powered fuel cell tractor, and much more... 16 In Conversation: Thomas de Lange The CEO of Dymag explains what it is that makes the company’s EV wheel technology so special 20 Dossier: Aurora Powertrains eSled It’s well-known that batteries don’t like the cold, but this all- electric snowmobile has been designed to get around that 34 Focus: Automated manufacturing EV component manufacturers are embracing automation thanks to developments in the technologies that underpin it 44 Insight: Torque sensing Many of the ways to measure motor torque have drawbacks, but there is a new one that appears to tick all the boxes 48 Report: Battery Show Europe 2022 Advances in materials, coatings and cell interconnection reflected the health of the battery industry at this expo 56 Deep insight: Sodiumbatteries If issues such as their lifetime can be solved then sodium-ion batteries could well win out over lithium-ion technology 64 Focus: User interfaces UI developers explain the best approaches – and what to avoid – when producing well- designed EV systems 74 PS: Metal hydrides for hydrogen storage Why these powders look set to provide a leap forward in storing fuel cell hydrogen 20 64 Winter 2022 | E-Mobility Engineering 3 Contents | Winter 2022