Good idea. There are these containerized iron salt batteries now that energy companies use to help with renewable energy storage (or at least plan to). Maybe lo

Good idea. There are these containerized iron salt batteries now that energy companies use to help with renewable energy storage (or at least plan to). Maybe loading a few of those instead of cargo containers could already take care of most of a ships electricity needs - and for recharging you can just load/unload them anywhere like regular containers. Article with an image: https://www.technologyreview.com/2022/02/23/1046365/grid-storage-iron-batteries-technology/ https://www.technologyreview.com/2022/02/23/1046365/grid-sto...