A 3D All-Solid-State Thin Film Microbattery with Inverted Pyramid Arrays

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Abstract:

A 3D all-solid-state thin film lithium-ion microbattery (TFLM) with inverted pyramid arrays is fabricated by microfabrication technology. Compared with 2D TFLMs, the effective area of this 3D TFLM increases more than 30%. The 3D TFLM prepared by magnetron sputtering is composed of LiCoO2 cathode, LiPON solid electrolyte, and copper doped SnOx anode. The 3D TFLM is tested by electrochemical measurements, and the results show that it has reliable capacity and excellent performance.

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Key Engineering Materials (Volumes 645-646)

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1170-1174

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May 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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