19 April 2017 Electrochemical behaviors of a wearable woven textile Li-ion battery consisting of a core and wound electrode fibers coated with active materials
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Abstract
A new fiber-type Li-ion battery that consists of carbon nanotube fibers deposited with active materials has been developed and tested. The active materials, LiMn2O4 and Li4Ti5O12, were deposited on the surface of carbon nanotube fibers in order to use as electrodes. Tensile strength of the CNT fibers with active material was measured by tensile tests to investigate the mechanical characteristics. Electrochemical property is also measured by a battery tester during charging and discharging. The results show that current discharge capacity is about 25 mAh/g between 3.0 V and 4.2 V. That means the fiber with active materials is good for an anode electrode. Mathematical material models considering the lithium concentration and the length of Li-C bond have been established in order to predict the effective elastic modulus of electrode composite materials.
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C. Kim, C. Kim, S. Bang, S. Bang, D. Zhou, D. Zhou, S. Yun, S. Yun, } "Electrochemical behaviors of a wearable woven textile Li-ion battery consisting of a core and wound electrode fibers coated with active materials", Proc. SPIE 10171, Smart Materials and Nondestructive Evaluation for Energy Systems 2017, 1017109 (19 April 2017); doi: 10.1117/12.2260388; https://doi.org/10.1117/12.2260388
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