E-Mobility Engineering 017 l ECE Doosan electric excavators dossier l In Conversation: Matt Faulks l Battery testing focus l Battery Show North America 2022 report l Ariel Hipercar digest l Cathode materials insight l Thermal management focus

4 Intro The development and engineering of materials for e-mobility platforms are proving to be as important as the platforms themselves 6 The Grid NXP links an EV BMS to the cloud to create a digital twin, Proventia unveils an off- road battery pack based on a standard module, Melexis launches Hall effect current sensors along with an online simulation tool, and much more... 16 In Conversation: Matt Faulks The fuel cell technology in its Apricale hypercar is destined for powering heavy goods vehicles, as Viritech’s CTO explains 20 Dossier: ECE Doosan electric excavators We delve into what it took for ECE to convert two large diesel- powered Doosan excavators to run on batteries 34 Focus: Battery testing How to examine the way batteries operate without having to take them apart 44 Report: Battery Show North America 2022 Highlights from the show make it clear that equipment developers are rising to meet a range of critical challenges 52 Digest: Ariel Hipercar The aim of this track-capable sportscar’s developers is actually to prove the underlying technology in some EVs that could not be more different 58 Deep insight: Cathode materials New research shows promise for increasing the energy density of battery cells 64 Focus: Thermal management Industry experts discuss the emerging thermal technology solutions to faster battery charging and greater range 74 PS: Individual wheel control The way rally driver Ken Block puts his Audi S1 Hoonitron through its paces gives an idea of what individual wheel control can offer conventional EVs 64 20 January/February 2023 | E-Mobility Engineering 3 Contents | January/February 2023