A Bendable Li-Ion Battery with a Nano-Hairy Electrode: Direct Integration Scheme on the Polymer Substrate

A direct integration scheme for a Li‐ion battery on a polymer substrate is successfully implemented. As a proof of concept, the bendable Li‐ion battery is fabricated using a nano‐hairy Si anode, which exhibits a much longer cycle life and a higher capacity on various C‐rates compared to a Si thin fi...

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Bibliographic Details
Published in:Advanced energy materials 2015-01, Vol.5 (1), p.np-n/a
Main Authors: Jung, Min-Suk, Seo, Jong-Hyun, Moon, Myoung-Woon, Choi, Jang Wook, Joo, Young-Chang, Choi, In-Suk
Format: Article
Language:English
Subjects:
Bend tests
bendable batteries
bending fatigue
direct integration
Electrodes
Formability
Lithium-ion batteries
Nanostructure
polymer nanostructures
Rechargeable batteries
Si anodes
Silicon
Thin films
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Summary:A direct integration scheme for a Li‐ion battery on a polymer substrate is successfully implemented. As a proof of concept, the bendable Li‐ion battery is fabricated using a nano‐hairy Si anode, which exhibits a much longer cycle life and a higher capacity on various C‐rates compared to a Si thin film electrode on a pristine PI. In the cyclic bending test, with a bending radius of 16 mm, over 3000 cycles are measured without a voltage drop.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201400611