Core Viewpoint - The company, Shudao Equipment, has acknowledged the development of a new hydrogen negative ion electrolyte and prototype battery by a research team but indicated that this technology does not align with its current focus areas [2]. Group 1: Company Position - Shudao Equipment has established technical reserves in areas such as hydrogen liquefaction, hydrogen refueling station equipment, hydrogen production, and liquefaction storage and transportation [2]. - The hydrogen negative ion battery technology primarily involves new energy storage materials and electrochemical systems, which differ significantly from the company's current technological path and business direction [2]. - The company has not prioritized the hydrogen negative ion battery technology within its current research and development framework [2]. Group 2: Future Plans - The company plans to continue advancing technological innovation and industrial upgrades in key areas such as cryogenic equipment and hydrogen energy equipment [2]. - Shudao Equipment will closely monitor policy directions and market opportunities to strive for high-quality development [2].

Core Viewpoint - The research team from Dalian Institute of Chemical Physics has developed a new type of hydrogen negative ion electrolyte and constructed the world's first prototype hydrogen negative ion battery, marking a significant advancement from conceptualization to experimental validation [1][2]. Group 1: Development of Hydrogen Negative Ion Battery - The hydrogen negative ion battery is considered a crucial component of future clean energy systems, utilizing hydrogen in three forms: hydrogen positive ions (protons), hydrogen negative ions, and hydrogen atoms [1]. - Unlike conventional lithium-ion batteries, hydrogen negative ion batteries use hydrogen negative ions as the charge carriers, which have high electron density and strong reactivity, making them a unique and promising energy carrier [1][2]. Group 2: Research Progress and Innovations - 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 [2]. - A new core-shell structured composite hydride was created using barium hydride with low electronic conduction and high stability, which exhibits rapid hydrogen negative ion conduction at room temperature, along with excellent thermal and electrochemical stability [2]. Group 3: Experimental Results - The prototype hydrogen negative ion battery was assembled using sodium aluminum hydride as the positive electrode and cerium dihydride as the negative electrode, achieving a discharge capacity of 984 mAh/g for the first time [2]. - After 20 charge-discharge cycles, the battery maintained a capacity of 40 mAh/g, and a stacked battery configuration was able to increase the voltage to 1.9 volts, successfully powering a yellow LED light, demonstrating its feasibility for electronic devices [2]. Group 4: Future Implications - The hydrogen negative ion battery represents a novel energy storage technology pathway, with potential applications in clean energy storage and conversion [2].

Core Viewpoint - The successful development of the first prototype hydrogen negative ion battery by a team from the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, marks a significant advancement in clean energy technology, with potential applications in large-scale energy storage and mobile power sources [1][3][5]. Group 1: Development and Significance - Hydrogen is a crucial component of future clean energy systems, existing in three forms: hydrogen positive ions (protons), hydrogen negative ions, and hydrogen atoms. Hydrogen negative ions have the highest electron density, are easily polarizable, and exhibit the strongest reactivity, making them a unique and promising energy carrier [3]. - The research on hydrogen negative ion conduction was initiated in 2018, leading to the development of a room-temperature superfast hydrogen negative ion conductor in 2023, utilizing a strategy to suppress electronic conduction through lattice distortion [3][5]. Group 2: Prototype Battery Construction - The team created a new core-shell structured composite hydride material by coating barium hydride (BaH2) with cerium trihydride (CeH3), which demonstrated rapid hydrogen negative ion conduction at room temperature, along with excellent thermal and electrochemical stability, making it an ideal electrolyte material [3][5]. - Utilizing this new hydrogen negative ion electrolyte material, the team assembled the first hydrogen negative ion prototype battery using sodium aluminum hydride (NaAlH4) as the positive electrode and cerium dihydride (CeH2) as the negative electrode, achieving a voltage of 1.9 volts and successfully powering an LED light [5].

Core Insights - A new type of core-shell structured hydrogen negative ion electrolyte has been developed by the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, marking a significant advancement in hydrogen energy technology [1][2] - Hydrogen negative ions, characterized by high electron density and strong reactivity, present a unique and promising energy carrier with substantial scientific and application potential [1] Group 1 - The research team initiated the study of hydrogen negative ion conduction in 2018 and introduced a strategy in 2023 to suppress lattice distortion for enhanced electron conductivity [1] - A novel composite hydride material was created by coating barium hydride (BaH2) with trihydride cerium (CeH3), demonstrating rapid hydrogen negative ion conduction at room temperature, along with excellent thermal and electrochemical stability [1] Group 2 - Utilizing the new hydrogen negative ion electrolyte, the team assembled the first prototype hydrogen negative ion 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, indicating the feasibility of hydrogen negative ion batteries for electronic devices [2] - This innovative energy storage technology has the potential to play a significant role in large-scale energy storage, hydrogen storage, mobile power sources, and specialized power applications in the future [2]