Pillow-shaped porous CuO as anode material for lithium-ion batteries

Wan, Mei; Jin, Dalai; Feng, Ru; Si, Limin; Gao, Mingxia; Yue, Linhai

doi:10.1016/j.inoche.2010.09.025

Cited by 51 publications

(26 citation statements)

References 28 publications

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“…The first discharge capacity is measured to be 1143 mAh g −1 , which is higher than the theoretical capacity of 670 mAh g −1 based on a maximum uptake of 2 Li per CuO. This extra observed in capacity can be attributed to the formation of solid electrolyte interface layer, which has been confirmed by many authors . A reversible capacity up to 516 mAh g −1 after 100 cycles is delivered and the coulombic efficiency is above 98% from the second cycle.…”

Section: Resultsmentioning

confidence: 55%

In Situ Synthesis of CuO and Cu Nanostructures with Promising Electrochemical and Wettability Properties

Zhang

Zhou

et al. 2013

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A strategy is presented for the in situ synthesis of single crystalline CuO nanorods and 3D CuO nanostructures, ultra-long Cu nanowires and Cu nanoparticles at relatively low temperature onto various substrates (Si, SiO2 , ITO, FTO, porous nickel, carbon cotton, etc.) by one-step thermal heating of copper foam in static air and inert gas, respectively. The density, particle sizes and morphologies of the synthesized nanostructures can be effectively controlled by simply tailoring the experimental parameters. A compressive stress based and subsequent structural rearrangements mechanism is proposed to explain the formation of the nanostructures. The as-prepared CuO nanostructures demonstrate promising electrochemical properties as the anode materials in lithium-ion batteries and also reversible wettability. Moreover, this strategy can be used to conveniently integrate these nanostructures with other nanostructures (ZnO nanorods, Co3 O4 nanowires and nanowalls, TiO2 nanotubes, and Si nanowires) to achieve various hybrid hierarchical (CuO-ZnO, CuO-Co3 O4 , CuO-TiO2 , CuO-Si) nanocomposites with promising properties. This strategy has the potential to provide the nano society with a general way to achieve a variety of nanostructures.

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Section: Resultsmentioning

confidence: 55%

In Situ Synthesis of CuO and Cu Nanostructures with Promising Electrochemical and Wettability Properties

Zhang

Zhou

et al. 2013

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“…For example, Cao et al [11] and Jiang et al [12] 13 developed porous CuO-Fe2O3 and CuO/CeO2 composite catalysts respectively for carbon monoxide oxidation; Wang et al [13] synthesized porous CuO nanorods and Wan et al [14] prepared pillow-shaped porous CuO as anode materials for lithium-ion batteries; Samarasekara et al [15] found that porous CuO is a prime candidate in the application of carbon dioxide gas sensors and Hoa et al [16] …”

Section: Resultsmentioning

confidence: 99%

Microstructure-dependent oxidation-assisted dealloying of Cu0.7Al0.3 thin films

Jiang

Wang

et al. 2015

Russ J Electrochem

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Abstract:In this paper, the oxidation-assisted dealloying (OAD) of Cu0.7Al0.3 films with different microstructures which were obtained by high vacuum annealing at different temperatures were studied using powder X-ray diffraction, field-emission scanning electron microscopy and energy dispersive X-ray analysis. It was observed that different microstructures such as eutectic mixture or solid solution, the grain size of Cu or Al component in eutectic-mixture Cu0.7Al0.3 films affected the corrosion morphology greatly. It thus provided a practical route to fabricate flexible CuO porous nanostructure-films (PNFs) with controllable pore size, porosity, block size and shape.Further, the underlying OAD mechanisms for the structure-resultant different corrosion morphologies of Cu0.7Al0.3 films were also explored. In these senses, the study is suggestive and crucial to both the mechanism understanding of OAD process and the technical controlling of PNF fabrication.

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“…This further demonstrates that the mesoporous CuO microspheres with a higher surface area perform better. Although the capacity of mesoporous CuO-1 microspheres obtained here at 0.1 C after 50 cycles is lower than that of hollow CuO microspheres (600 mAh g À1 at 0.2 C) [46], and CuO nanorods (650 mAh g À1 at 0.5 C) [47], it is much higher than needle-like CuO (441 mAh g À1 at 0.1 C) [24], and pillow-shaped porous CuO (320 mAh g À1 at 0.1 C) [48]. Fig.…”

Section: Resultsmentioning

confidence: 99%