Core Insights - A new type of core-shell structured hydrogen negative ion electrolyte has been developed by the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, marking a significant advancement in clean energy technology [1][2] - Hydrogen negative ions, characterized by high electron density and strong reactivity, present a unique energy carrier with substantial potential for future applications [1] - The research team successfully constructed the first prototype hydrogen negative ion battery, demonstrating its feasibility for powering electronic devices [2] Group 1 - The research team initiated the study of hydrogen negative ion conduction in 2018 and proposed a strategy in 2023 to enhance electron conductivity through lattice distortion suppression [1] - A novel composite hydride material was developed using barium hydride (BaH2) to coat cerium hydride (CeH3), exhibiting rapid hydrogen negative ion conduction at room temperature along with excellent thermal and electrochemical stability [1] - The prototype battery was assembled using sodium aluminum hydride (NaAlH4) as the positive electrode and cerium dihydride (CeH2) as the negative electrode, achieving a voltage of 1.9 volts and successfully powering an LED light [2] Group 2 - The hydrogen negative ion battery represents a new energy storage technology that could play a crucial role in large-scale energy storage, hydrogen storage, mobile power sources, and specialized power applications in the future [2]