【科技日报】首块氢负离子原型电池研制成功

Core Insights - A new type of hydrogen negative ion electrolyte has been developed by a research team from the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, leading to the creation of the world's first hydrogen negative ion prototype battery, marking a significant advancement from conceptualization to experimental validation [1][3] Group 1: Battery Technology - Hydrogen is recognized as a crucial component of future clean energy systems, existing in three forms: hydrogen positive ions, hydrogen atoms, and hydrogen negative ions, with the latter being a highly reactive and potential energy carrier [1] - The hydrogen negative ion battery operates similarly to lithium-ion batteries, utilizing the movement of ions between electrodes for charging and discharging, but replaces lithium ions with hydrogen negative ions [1] Group 2: Research and Development - The research team utilized a "core-shell structure" strategy, wrapping barium hydride around cerium trihydride to create an electrolyte with high hydrogen negative ion conductivity, low electronic conductivity, and high stability [1] - Experimental data shows that the battery's anode achieved a discharge capacity of 984 milliamp hours per gram, maintaining a capacity of 402 milliamp hours per gram after 20 charge-discharge cycles [3] Group 3: Future Applications - The hydrogen negative ion battery is seen as a new energy storage technology with potential applications in large-scale energy storage, hydrogen storage, and mobile power sources [3] - The research team plans to focus on optimizing the core materials and performance of hydrogen negative ion batteries to expand their application scenarios, contributing to the development of green energy in China [3]