Send me a messageIn this episode of the Climate Confident podcast, I had the pleasure of chatting with Chris Kruger, founder of AYK Energy, a leader in marine battery innovation. Together, we delved into the exciting yet challenging world of maritime electrification and the technologies driving its growth.Chris shared insights into the evolution of marine batteries, from their humble beginnings powering communications systems to today's sophisticated propulsion applications. We discussed why lithium-iron-phosphate (LFP) batteries are emerging as the preferred choice for safety and cost-effectiveness, even as legacy technologies like NMC continue to dominate in some corners of the sector.A key takeaway was the potential of containerised battery solutions, which could revolutionise short-sea shipping by offering flexibility and scalability. Chris drew parallels between these modular systems and the old stagecoach model—simply swap in fresh batteries, and you’re ready to go. It’s a clever way to overcome range limitations while easing infrastructure challenges.We also explored the comparative merits of green fuels such as hydrogen and ammonia versus batteries. While hydrogen holds promise for long-distance voyages, Chris highlighted batteries’ superior efficiency and practicality for short-sea routes. He also shed light on the role of hybrid systems as a stepping stone toward full electrification.Looking to the future, Chris explained how advances like solid-state batteries could transform marine electrification entirely, potentially enabling transoceanic voyages. It’s a bit further off, but the trajectory is promising.Finally, we touched on the broader decarbonisation landscape and how companies like AYK Energy are making sustainable solutions affordable and accessible by leveraging economies of scale in manufacturing.Whether you’re an industry insider or just curious about maritime innovation, this episode offers a grounded and thoughtful look at the technologies shaping a greener future for shipping.Support the showPodcast supportersI'd like to sincerely thank this podcast's amazing supporters: Jerry Sweeney Andreas Werner Stephen Carroll Roger Arnold And remember you too can Support the Podcast - it is really easy and hugely important as it will enable me to continue to create more excellent Climate Confident episodes like this one.ContactIf you have any comments/suggestions or questions for the podcast - get in touch via direct message on Twitter/LinkedIn. If you liked this show, please don't forget to rate and/or review it. It makes a big difference to help new people discover the show. CreditsMusic credits - Intro by Joseph McDade, and Outro music for this podcast was composed, played, and produced by my daughter Luna Juniper