Enhanced Supercapacitor Using 3-D CNT/MnO<sub>2</sub> Webs Hanging on Silicon Micro-Pillars

Raina, Supil; Ghosh, N.; Kang, W.P.; Davidson, J.L.

doi:10.1149/ma2011-02/11/489

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2014

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“…There are number of studies in the literature exploring feasibility of fabricating carbon-3D-nanostructures/electrolytic manganese-oxide (EMD) composites for energy storage applications [e.g. [1][2][3]. However, they typically involve mixing them in form of powders, and applying them as 'pastes'.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Deposition of Manganese Oxides on Carbon Nanosheets

Radisic¹,

Cott²,

Deheryan

et al. 2014

ECS Trans.

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We report on electrodeposition of thin Mn-oxide films on Carbon Nanosheets (CNS) and explore the potential of this high-surface area Mn-oxide/nanocarbon for applications in fast charge/discharge thin-film lithium ion micro-batteries. We examined physical-chemical properties of Mn-oxide/CNS composite films electrodeposited on both flat substrates and high-aspect-ratio Si pillars coated with TiN and CNS. In addition to electrochemical methods, such as cyclic voltammetry (CV), Mn-oxide/CNS structures were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), and Raman spectroscopy (RS).

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Section: Introductionmentioning

confidence: 99%