Thin-Film Solid State Lithium-Ion Batteries of the LiCoO2/Lipon/Si@O@Al System

Rudy, A.S.; Mironenko, A.A.; Naumov, V.V.; Fedorov, I.S.; Skundin, A.M.; Tortseva, Y.S.

Авторы: Rudy A.S., Mironenko A.A., Naumov V.V., Fedorov I.S., Skundin A.M., Tortseva Yu S.
Журнал: Russian Microelectronics
Том: 50
Номер: 5
Год издания: 2021
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 333
Последняя страница: 338
Оригинальные версии: Тонкопленочные твердотельные литий-ионные аккумуляторы системы LiCoO2/LiPON/Si@O@Al
DOI: 10.1134/S106373972105005X
Аннотация: Experimental samples of solid-state thin-film lithium-ion batteries (STLIBs) of theLiCoO2/LiPON/Si@O@Al electrochemical system are manufactured using traditional mask technology byradio frequency magnetron sputtering of both the electrodes and electrolyte. The obtained samples have a specific capacity corresponding to the modern published data on industrial STLIB samples. The developed STLIB samples are capable of long (about 1000 cycles) cycling with an acceptable loss of capacity, provided that the charging voltage is limited to 3.7 V. Exceeding the charging voltage leads to an increase in the charging capacity, but to a noticeable acceleration of degradation during cycling. At cycling currents over 20 μA/cm2, the inverse proportionality between the current and the discharge capacity is observed, which is determined by the delayed solid-phase diffusion of lithium. With a decrease in the cycling current, the discharge capacity approaches the theoretical capacity.
Добавил в систему: Скундин Александр Мордухаевич

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Thin-Film Solid State Lithium-Ion Batteries of the LiCoO2/Lipon/Si@O@Al Systemстатья