Core Insights - The research team from Dalian Institute of Chemical Physics has made significant progress in the development of a new type of hydrogen negative ion prototype battery, which was published in the prestigious journal "Nature" [1][2] - Hydrogen negative ion batteries represent a novel energy storage technology with potential applications in large-scale energy storage, hydrogen storage, mobile power sources, and special power sources [1] Group 1: Research and Development - The hydrogen negative ion battery operates similarly to widely used lithium-ion batteries, utilizing the movement of hydrogen negative ions to store and release energy [1] - Previous challenges in developing hydrogen negative ion batteries included the lack of electrolyte materials that could meet high ionic conductivity, low electronic conductivity, excellent thermal stability, and good electrochemical stability [1] - The research team initiated the study of hydrogen negative ion conduction in 2018 and proposed a strategy in 2023 to suppress electronic conduction through lattice distortion, leading to the development of a room-temperature superfast hydrogen negative ion conductor [1] Group 2: Prototype Battery Assembly - Utilizing the newly developed hydrogen negative ion electrolyte material, the team assembled a prototype battery using sodium aluminum hydride as the positive electrode and hydrogen-poor cerium dihydride as the negative electrode [2] - This assembly marks a significant transition from the conceptual stage to experimental validation of hydrogen negative ion batteries by Chinese researchers [2]