Sodium-Ion Batteries and Next-Gen Nuclear Among MIT's Top Breakthrough Technologies for 2026

MIT Technology Review named sodium-ion batteries and next-generation nuclear power among its top 10 breakthrough technologies for 2026, highlighting energy innovations that could reshape how the world powers homes, vehicles, and data centers.

Sodium-ion batteries use abundant materials like salt instead of lithium, making them cheaper and potentially safer than current lithium-ion batteries. Researchers say they are well-suited for powering electricity grids and affordable electric vehicles, particularly in markets where lithium supply chains are constrained.

Next-generation nuclear reactor designs use alternative fuels, different cooling systems, or smaller footprints compared to traditional plants. Developers say these designs could accelerate reactor deployment and provide reliable low-carbon power to meet growing electricity demand from AI data centers and electric vehicles.

MIT also highlighted commercial space stations, base-edited baby treatments, and gene resurrection as technologies to watch. Commercial space stations could open space tourism to paying customers while supporting scientific research. Base-editing treatments are entering clinical trials for personalized gene-editing therapies.

Generative coding made the list as well. AI tools are changing how software is written, tested, and deployed, making it faster and easier to build complex applications. The technology is already being used by major software companies to speed up development cycles.

The list also includes AI companions, which are chatbots that millions of people interact with daily. MIT notes growing concerns about the potential dangers of deep personal bonds with AI systems.

Quantum computing and mRNA therapeutics were highlighted by Nature as additional technologies poised to make a significant impact in 2026, building on advances in both fields from the past two years.