LR44 battery

　　Chinese university develops new aqueous solution rechargeable LR41 battery

　　It is understood that the production cost of lithium batteries manufactured by traditional methods is high, and the organic electrolyte solution contains certain safety hazards. The industry generally adopts polarization solutions (that is, constantly trying to use new materials to make electrodes) to solve the core problem of water lithium batteries - preventing lithium ions and water from reacting at low potentials. However, this solution can only make the voltage generated by the hydroLR41 battery reach a maximum of 2.0 volts, and the charging and discharging efficiency is low.

　　Professor Wu Yuping took a different approach, using polymer materials and inorganic materials to make a composite film and wrapping it around lithium metal. This composite film helps the potential of lithium ions travel through time and space between the positive and negative electrodes - under its action, protons and water molecules cannot obtain electrons at low potentials, and there will be no loss during the migration of lithium ions. Professor Wu joked: You can think of it as an 'arbitrary gate'. The potential of lithium ions passes through the membrane, reaches the negative electrode, and then returns directly from the negative electrode to the positive electrode. It's like in a science fiction movie, people can cross a wormhole. Direct travel between Earth and outer space. For this reason, the research team called this new discovery potential crossing.

　　According to reports, the new hydroLR41 battery wrapped with a composite film can significantly reduce battery costs, and its energy density is 80% higher than the currently commonly used organic electrolyte power lithium-ion batteries, thus making the battery charging time shorter and storing more power. Durable longer. Taking electric vehicles as an example, Fudan's new hydroLR41 battery can be charged in just 10 seconds and can run up to 400 kilometers, while its cost is only half of that of traditional vehicle lithium batteries. Currently, this technology is only one step away from industrialization.

　　It is reported that Fudan University has been exploring the international frontier field of hydrolithium batteries since 2005. By 2007, with the funding of the Major Basic Research Program of the Ministry of Science and Technology and the Natural Science Foundation of China, its research results and scientific research level began to rank among world advanced status.

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