【解放日报】中国科学家研发首例氢负离子原型电池，实现“原理概念”到“实验验证”跨越

Core Insights - Hydrogen negative ion batteries represent a new energy storage technology with potential applications in large-scale energy storage, hydrogen storage, mobile power sources, and special power supplies [1][2] - The research team from the Dalian Institute of Chemical Physics successfully constructed the first prototype hydrogen negative ion battery, marking a significant advancement from conceptual principles to experimental validation [2] Group 1: Research and Development - The research on hydrogen negative ion conduction began in 2018, leading to the development of a room-temperature superfast hydrogen negative ion conductor in 2023 [2] - A novel core-shell structured composite hydride was created using barium hydride with low electronic conductivity and high stability, which exhibits rapid hydrogen negative ion conduction at room temperature [2] Group 2: Battery Performance - The prototype battery achieved a discharge capacity of 984 milliampere-hours per gram (mAh/g) and maintained a capacity of 402 mAh/g after 20 charge-discharge cycles [2] - The team successfully assembled a stacked battery that increased the voltage to 1.9 volts, demonstrating the feasibility of powering electronic devices with hydrogen negative ion batteries [2] Group 3: Future Directions - Future efforts will focus on the development and optimization of core materials for hydrogen negative ion batteries, aiming to expand application scenarios and provide strong technical support for green energy development in China [2]