Listen to the session or watch belowSodium-based batteries could be a cheaper, safer alternative to lithium-ion, and the technology is finally making its way into cars—and energy storage arrays on the grid. Sodium-ion batteries are one of MIT Technology Review’s 10 Breakthrough Technologies of 2026 list, and this subscriber-only discussion explains why. Watch a discussion exploring the present moment for sodium-ion batteries—and what’s coming next.Speakers: Mary Beth Griggs, Science Editor; Casey Crownhart, Senior Climate Reporter; and Caiwei Chen, China ReporterRecorded on February 25, 2026Related Stories:Sodium-ion batteries: 10 Breakthrough Technologies 2026What’s next for EV batteries in 2026 | MIT Technology ReviewThese new batteries are finding a niche | MIT Technology Review2025 Climate Tech Companies to Watch: HiNa Battery Technology and its effort to commercialize salt cells