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]

Core Insights - The research team from Dalian Institute of Chemical Physics has made significant advancements in the development of hydrogen negative ion batteries, with their findings published in the prestigious journal "Nature" on September 17 [1] Group 1: Research Progress - The hydrogen negative ion battery represents a novel energy storage technology with potential applications in large-scale energy storage, hydrogen storage, mobile power sources, and special power sources [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 [2] Group 2: Material Development - A new core-shell structured composite hydride was created using low electronic conduction and high stability hydrogen barium thin layers to coat less stable trihydride cerium, exhibiting rapid hydrogen negative ion conduction at room temperature along with excellent thermal and electrochemical stability [2] Group 3: Prototype Battery Assembly - Utilizing the newly developed hydrogen negative ion electrolyte material, the team assembled a prototype hydrogen negative ion battery using sodium aluminum hydride as the positive electrode and dihydride cerium as the negative electrode, marking a significant transition from conceptualization to experimental validation in hydrogen negative ion battery technology [4]

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 hydrogen energy technology [1][2] - Hydrogen negative ions, characterized by high electron density and strong reactivity, present a unique and promising energy carrier with substantial scientific and application potential [1] Group 1 - The research team initiated the study of hydrogen negative ion conduction in 2018 and introduced a strategy in 2023 to suppress lattice distortion for enhanced electron conductivity [1] - A novel composite hydride material was created by coating barium hydride (BaH2) with trihydride cerium (CeH3), demonstrating rapid hydrogen negative ion conduction at room temperature, along with excellent thermal and electrochemical stability [1] Group 2 - Utilizing the new hydrogen negative ion electrolyte, the team assembled the first prototype hydrogen negative ion battery using sodium aluminum hydride (NaAlH4) as the positive electrode and cerium dihydride (CeH2) as the negative electrode [2] - The prototype battery achieved a voltage of 1.9 volts and successfully powered an LED light, indicating the feasibility of hydrogen negative ion batteries for electronic devices [2] - This innovative energy storage technology has the potential to play a significant role in large-scale energy storage, hydrogen storage, mobile power sources, and specialized power applications in the future [2]