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Hierarchically Nanostructured CuO–Cu Current Collector Fabricated by Hybrid Methods for Developed Li-Ion Batteries

Department of Electrical Engineering, Soongsil University, Seoul 156-743, Korea
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Materials 2018, 11(6), 1018; https://doi.org/10.3390/ma11061018
Received: 2 May 2018 / Revised: 12 June 2018 / Accepted: 12 June 2018 / Published: 15 June 2018
We present a simple method of fabricating a hierarchically nanostructured CuO–Cu current collector by using laser ablation and metal mold imprinting to maximize the surface area. The laser ablation of the Cu current collector created the CuO nanostructure on the Cu-collector surface. The microstructure was transferred by subsequent imprinting of the microstructure metal mold on the Cu collector. Then, the laser-ablation nanostructure was formed. Consequently, a hierarchical structure is generated. The laser-ablated hierarchical CuO–Cu current collector exhibited an improved capacity while maintaining a cyclability that is similar to those of conventional graphite batteries. View Full-Text
Keywords: hierarchical current collector; laser ablation; oxidation; CuO; imprinting hierarchical current collector; laser ablation; oxidation; CuO; imprinting
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So, J.-Y.; Lee, C.-H.; Kim, J.-E.; Kim, H.-J.; Jun, J.; Bae, W.-G. Hierarchically Nanostructured CuO–Cu Current Collector Fabricated by Hybrid Methods for Developed Li-Ion Batteries. Materials 2018, 11, 1018.

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