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Elastomeric and dynamic MnO2/CNT core-shell structure coiled yarn supercapacitor

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posted on 2024-11-16, 08:36 authored by Changsoon Choi, Hyeon Jun Sim, Geoffrey SpinksGeoffrey Spinks, Xavier Lepró, Ray H Baughman, Seon Jeong Kim
Reversibly deformable and highly performing solid-state yarn supercapacitors are obtained using MnO2-deposited microcoiled yarn electrodes. The core(CNT)-shell(MnO2)-structured coiled electrodes achieve high stretchability (37.5%) without the help of elastomeric substrates, minimizing the size of the supercapacitors. Therefore, high specific capacitances of 34.6 F cm−3, 61.25 mF cm−2, and 2.72 mF cm−1 are achieved for coiled supercapacitors without impairing mechanical stretchability or electrochemical cyclability.

Funding

Mechanical advantage: biomimetic artificial muscles for micro-machines

Australian Research Council

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Citation

Choi, C., Sim, H. Jun., Spinks, G. M., Lepró, X., Baughman, R. H. & Kim, S. Jeong. (2016). Elastomeric and dynamic MnO2/CNT core-shell structure coiled yarn supercapacitor. Advanced Energy Materials, 6 (5), 1502119-1-1502119-8.

Journal title

Advanced Energy Materials

Volume

6

Issue

5

Language

English

RIS ID

105164

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