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 conceptual theory to experimental validation [1][3] Group 1: Research and Development - The research team utilized an innovative "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] - The prototype battery achieved a discharge capacity of 984 milliampere-hours per gram (mAh/g) during the first discharge, maintaining a capacity of 402 mAh/g after 20 charge-discharge cycles [3] Group 2: Applications and Future Potential - The team successfully assembled a stacked battery that increased the voltage to 1.9 volts and demonstrated the battery's capability to power an LED light, indicating its feasibility for electronic device applications [3] - The hydrogen negative ion battery represents a novel energy storage technology that is expected to play a significant role in large-scale energy storage, hydrogen storage, and mobile power supply sectors [3]