ISSUE 021 September/October 2023 Nyobolt EV dossier l Battery surface analysis focus l Battery welding insight l Dieseko Woltman pile-driver/driller digest l Electric motors for aircraft insight l Busbars and interconnects focus

Cover	1
Contents	3
Intro	4
The Grid	6
In Conversation: Marko Lehtimaki	16
Dossier: Nyobolt EV	20
Focus: Battery surface analysis	34
Insight: Battery welding	44
Digest: Dieseko Woltman pile driller/driver	52
Deep insight: Electric motors for aircraft	58
Focus: Busbars and interconnects	64
PS: Submarine lessons for battery EV fire safety	74

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