Core Insights - The research team from Dalian Institute of Chemical Physics has made significant advancements in the development of a new type of hydrogen negative ion prototype battery, recently published in the 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 included the lack of electrolyte materials that could meet high ionic conductivity, low electronic conductivity, excellent thermal stability, electrochemical stability, and compatibility with electrode materials [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: Material Innovation - The team created a new core-shell structured composite hydride by coating the less stable trihydride cerium with low electronic conduction and high stability barium hydride, which exhibits rapid hydrogen negative ion conduction at room temperature along with excellent thermal and electrochemical stability [1] - Utilizing this new hydrogen negative ion electrolyte material, the team assembled a prototype battery using sodium aluminum hydride as the positive electrode and hydrogen-poor dihydride cerium as the negative electrode, marking a significant transition from conceptualization to experimental validation of hydrogen negative ion batteries [2]

中国科学院大连化学物理研究所陈萍研究员、曹湖军研究员、张炜进副研究员团队近日在氢负离子导体 开发及应用方面取得重要进展，成功研发出新型氢负离子原型电池。相关成果9月17日发表在权威学术 期刊《自然》上。 氢负离子原型电池示意图。（受访单位供图） 氢负离子电池代表了一种全新的储能技术路径，有望在大规模储能、储氢、移动电源、特种电源等领域 发挥重要作用。 基于上述新型氢负离子电解质材料，团队利用经典的储氢材料氢化铝钠作正极，贫氢的二氢化铈作负 极，组装出新型氢负离子原型电池，标志着我国科研人员实现了氢负离子电池从原理概念到实验验证的 跨越。（记者王莹、胡喆） 与目前广泛使用的锂离子电池类似，氢负离子电池利用氢负离子的移动来存储和释放能量。然而，由于 缺乏能同时满足高离子电导率、低电子电导率、优良热稳定性和电化学稳定性，以及与电极材料良好兼 容性的电解质材料，此前氢负离子电池尚处于原理概念阶段。 氢负离子原型电池。（受访单位供图） 2018年，科研团队启动氢负离子传导研究，并于2023年提出了"晶格畸变抑制电子电导"策略，研制出室 温超快氢负离子导体。在此基础上，研究团队以低电子传导且高稳定性的氢化钡薄层包覆稳定性 ...