To the development of "all solid li...
20
09
To the development of "all solid lithium sulfur batteries", improve performance with oxide -based solid electrolyte (news switch) --Yahoo! News
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Researcher Yutaka Nagata and Junji Akimoto, the chief researcher of the Institute of Industrial Technology, have greatly improved the room temperature operating performance of lithium sulfur batteries using oxide -based solid electrolytes. The energy density at room temperature 25 degrees C was 283 watts / kilograms, approaching the current lithium -ion battery. In the future, we aim to improve the durability and capacity in the future. "All solid batteries" that can be found in 30 seconds, mixed with lithium oxide and ywowized lithium, lithium sulfide, lithium sulfide, lithium, and carbon material of conductive materials. Mechanically crushed with mechanical milling to make it a fine fine particles. As a result, solid electrolytes are deformed, adhered to the active material, and the contact between fine particles increased. Just press a fine particle mixture at room temperature to make a positive electrode and a negative electrode material. When a battery is assembled and a charging and discharge test is performed, the first energy density is 283 watts / kilograms. In the future, if the durability can be increased and the number of charging and discharge can be earned, it will lead to the development of highly safe all solid lithium sulfur batteries.
Nikkan Kogyo Shimbun
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