New materials for power storage

Long-Duration Storage Gap Being Addressed: While lithium-ion batteries excel at short to medium-duration applications (1-4 hours), emerging technologies like gravity storage, iron-air batteries, and hydrogen systems are targeting the critical 8+ hour duration market. Engineers have unlocked a new class of supercapacitor material that could rival traditional batteries in energy while charging dramatically faster. By redesigning carbon structures into highly curved, accessible graphene networks, the team achieved record energy and power densities—enough to. This dramatic cost reduction, combined with 85-95% round-trip efficiency and millisecond response times, has made.