全球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, marking the successful creation of the world's first hydrogen negative ion prototype battery, transitioning from conceptual theory to experimental validation [1][2] Group 1: Battery Technology - Hydrogen is identified as a crucial component of future clean energy systems, existing in three forms: hydrogen positive ions, hydrogen atoms, and hydrogen negative ions. Hydrogen negative ions are noted for their strong reactivity and high electron density, making them a promising energy carrier [1] - The hydrogen negative ion battery operates similarly to lithium-ion batteries, with the key difference being the transport medium, which shifts from lithium ions to hydrogen negative ions [1] - The research team utilized a "core-shell structure" strategy, wrapping barium hydride around cerium trihydride to create an electrolyte that exhibits high hydrogen negative ion conductivity, low electronic conductivity, and high stability [1] Group 2: Performance Metrics - Experimental data shows that the battery's anode achieved a discharge capacity of 984 milliampere-hours per gram (mAh/g) for the first time, maintaining a capacity of 402 mAh/g after 20 charge-discharge cycles [2] - The team successfully constructed a stacked battery that increased the voltage to 1.9 volts and demonstrated the battery's capability to power an LED light, indicating its potential for electronic device applications [2] Group 3: Future Prospects - The hydrogen negative ion battery is positioned as a novel energy storage technology with potential applications in large-scale energy storage, hydrogen storage, and mobile power sources [2] - Future efforts will focus on optimizing the core materials and performance of hydrogen negative ion batteries, aiming to expand application scenarios and support the development of green energy in China [2]