Nature Energy, Published online: 16 February 2026; doi:10.1038/s41560-026-01970-6 Sodium-ion batteries face a volumetric disadvantage because dense anodes often lose electrical connectivity during cycling. A dense alloy anode is now designed to maintain connectivity, enabling ampere-hour-class pouch cells with higher volumetric energy density and longer cycle life.
Nature Energy, Published online: 16 February 2026;
doi:10.1038/s41560-026-01970-6
Sodium-ion batteries face a volumetric disadvantage because dense anodes often lose electrical connectivity during cycling. A dense alloy anode is now designed to maintain connectivity, enabling ampere-hour-class pouch cells with higher volumetric energy density and longer cycle life.
— Source: Nature Energy (https://www.nature.com/articles/s41560-026-01970-6)