Core Viewpoint - The research team from Dalian Institute of Chemical Physics has developed a novel core-shell structure hydrogen anion electrolyte and successfully constructed the first prototype hydrogen anion battery, marking a significant advancement in clean energy technology [1][2]. Group 1: Hydrogen Anion Electrolyte Development - The hydrogen anion is identified as a unique and highly reactive energy carrier, with the highest electron density among hydrogen forms, which includes hydrogen cations and hydrogen atoms [1]. - The research on hydrogen anion conduction began in 2018, leading to the development of a room-temperature superfast hydrogen anion conductor in 2023 through a strategy of "lattice distortion suppression of electronic conductivity" [1]. - A new composite hydride material was created by coating cerium hydride (CeH3) with barium hydride (BaH2), exhibiting rapid hydrogen anion conduction, excellent thermal stability, and electrochemical stability, making it an ideal electrolyte material [1]. Group 2: Prototype Hydrogen Anion Battery - Utilizing the new hydrogen anion electrolyte, the team assembled the first hydrogen anion prototype battery using sodium aluminum hydride (NaAlH4) as the positive electrode and cerium dihydride (CeH2) as the negative electrode [2]. - The prototype battery achieved a voltage of 1.9 volts and successfully powered an LED light, demonstrating the feasibility of hydrogen anion batteries for electronic devices [2]. - This new energy storage technology has the potential to play a significant role in large-scale energy storage, hydrogen storage, mobile power sources, and specialized power supplies in the future [2].

Core Viewpoint - A new type of hydrogen negative ion electrolyte has been developed by the Dalian Institute of Chemical Physics, which has significant potential for clean energy applications and has been successfully demonstrated in a prototype battery [1][2]. Group 1: Development of Hydrogen Negative Ion Electrolyte - The research team initiated the study of hydrogen negative ion conduction in 2018 and proposed a strategy to suppress electronic conductivity through lattice distortion in 2023 [1]. - A novel core-shell structured composite hydride material was created using barium hydride (BaH2) to coat cerium hydride (CeH3), exhibiting rapid hydrogen negative ion conduction at room temperature along with excellent thermal and electrochemical stability [1]. Group 2: Prototype Battery Construction - Utilizing the new hydrogen negative ion electrolyte, the team assembled the first prototype battery using sodium aluminum hydride (NaAlH4) as the positive electrode and cerium dihydride (CeH2) as the negative electrode [2]. - The prototype battery achieved a voltage of 1.9 volts and successfully powered an LED light, marking a transition from theoretical model to laboratory prototype [2]. - This hydrogen negative ion battery technology is expected to play a crucial role in large-scale energy storage, hydrogen storage, mobile power sources, and specialized power applications in the future [2].

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]

Core Insights - The research team from the Dalian Institute of Chemical Physics has developed a novel core-shell structure hydrogen negative ion electrolyte and successfully constructed the first prototype hydrogen negative ion battery, marking a significant advancement in this field [1][2] Group 1: Research Development - The research on hydrogen negative ion conduction began in 2018, leading to the introduction of a "lattice distortion suppression of electronic conduction" strategy in 2023, resulting in a room-temperature ultra-fast hydrogen negative ion conductor [2] - The team created a new composite hydride with low electronic conduction and high stability by coating unstable trihydride cerium with barium hydride thin layers, which exhibits rapid hydrogen negative ion conduction at room temperature along with excellent thermal and electrochemical stability [2] Group 2: Battery Performance - The prototype hydrogen negative ion battery was assembled using sodium aluminum hydride as the positive electrode and hydrogen-poor dihydride cerium as the negative electrode, achieving a discharge capacity of 984 mAh/g and maintaining 402 mAh/g after 20 charge-discharge cycles [2] - The team successfully built a stacked battery that increased the voltage to 1.9 volts, demonstrating the feasibility of powering electronic devices, such as lighting a yellow LED [2] Group 3: Future Prospects - The hydrogen negative ion battery represents a new energy storage technology path, with potential applications in large-scale energy storage, hydrogen storage, mobile power sources, and special power supplies [2] - The research team plans to 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]

Core Insights - The research team from Dalian Institute of Chemical Physics has made significant progress in the development of a new type of hydrogen negative ion prototype battery, which was published in the prestigious 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 in developing hydrogen negative ion batteries included the lack of electrolyte materials that could meet high ionic conductivity, low electronic conductivity, excellent thermal stability, and good electrochemical stability [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: Prototype Battery Assembly - Utilizing the newly developed hydrogen negative ion electrolyte material, the team assembled a prototype battery using sodium aluminum hydride as the positive electrode and hydrogen-poor cerium dihydride as the negative electrode [2] - This assembly marks a significant transition from the conceptual stage to experimental validation of hydrogen negative ion batteries by Chinese researchers [2]

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]

Core Viewpoint - 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][2]. Group 1: Battery Development - 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]. - The research team employed a "core-shell structure" strategy, using barium hydride to encapsulate cerium trihydride, resulting in an electrolyte with high hydrogen negative ion conductivity, low electronic conductivity, and high stability [1]. Group 2: Performance Metrics - 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]. - A stacked battery configuration was developed, increasing the voltage to 1.9 volts, successfully powering an LED light, demonstrating the feasibility of the hydrogen negative ion battery for electronic devices [2]. Group 3: Future Applications - The hydrogen negative ion battery represents a new energy storage technology path, with potential applications in large-scale energy storage, hydrogen storage, and mobile power sources [2]. - The research team plans to focus on optimizing the core materials and performance of the hydrogen negative ion battery, aiming to expand its application scenarios and support the development of green energy in China [2].

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]

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]

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]