Method for the production of devices for storing electric power based on rechargeable lithium polymer cells

作者: Herbert Naarmann , Franz Josef Kruger

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摘要: Disclosed are devices for storing electric power, preferably Li-polymer batteries which produced according to a special method, novel concepts, and with the aid of components. Said lithium polymer comprise an anode, cathode, electrolyte as separator. The active materials degassed while graphites used anode modified by reacting said metal alkyls, e.g. Li n-butyl. inventive method is based on coating or extrusion technology, in all required components respective electrodes separator provided spreadable, coatable, extrudable mixtures containing solvent, conducting salt, additives, (carbons heavy oxides that can be intercalated lithium) processed continuous, single-step process, monomers polymerizing solidifying. represent dispersions spreadable pastes applied primed arresters at room temperature, Cu film coated material (15-40 µm thick), whereupon cathode thick) separator, arrester (Al Dyneon THV/carbon black) finally put on. resulting compound system laminated coiled, placed housing, polarized, etc. commercial, rechargeable batteries. Alternatively, production process designed such done two sides parallel coated, integrated into intermediate insulating layer form impregnated salt solvent laminate. A further substantial advantage lies fact small amounts vermiculite used, swells during lamination increased temperatures so create additional porous structure providing improved migration conditions electrical transport processes.

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