Facile fabrication of binder-free NiO electrodes with high rate capacity for lithium-ion batteries

Gu, Lili; Xie, Wenhe; Bai, Shuai; Liu, Boli; Xue, Song; Li, Qun; He, Dawei

doi:10.1016/j.apsusc.2016.01.270

Cited by 37 publications

(22 citation statements)

References 33 publications

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“…• C are in close agreement with previous reports on various NiO nanostructures, 52,53 indicating that there is a significant amount of NiO present on the surface of the foam after heating. This is also in close agreement with the XRD results shown in Figure 1.…”

Section: Resultssupporting

confidence: 92%

Assessing Charge Contribution from Thermally Treated Ni Foam as Current Collectors for Li-Ion Batteries

Geaney

McNulty

O’Connell

et al. 2016

J. Electrochem. Soc.

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In this report we have investigated the use of Ni foam substrates as anode current collectors for Li-ion batteries. As the majority of reports in the literature focus on hydrothermal formation of materials on Ni foam followed by a high temperature anneal/oxidation step, we probed the fundamental electrochemical responses of as received Ni foam substrates and those subjected to heating at 100 • C, 300 • C and 450 • C. Through cyclic voltammetry and galvanostatic testing, it is shown that the as received and 100 • C annealed Ni foam show negligible electrochemical activity. However, Ni foams heated to higher temperature showed substantial electrochemical contributions which may lead to inflated capacities and incorrect interpretations of CV responses for samples subjected to high temperature anneals. XRD, XPS and SEM analyses clearly illustrate that the formation of electrochemically active NiO nanoparticles on the surface of the foam is responsible for this behavior. To further investigate the contribution of the oxidized Ni foam to the overall electrochemical response, we formed Co 3 O 4 nanoflowers directly on Ni foam at 450 • C and showed that the resulting electrochemical response was dominated by NiO after the first 10 charge/discharge cycles. This report highlights the importance of assessing current collector activity for active materials grown on transition metal foam current collectors for Li-ion applications. Lithium-ion batteries have found widespread use in portable electronic devices due to their improved performance in comparison with other battery chemistries (e.g. lead-acid, NiMH etc.).1-4 Stimulated by the need for improved batteries for more demanding applications, the field has seen a wave of interest in the development of novel materials for every component of the battery (anode, cathode, current collectors and electrolytes).5-10 Practically all literature studies focused on the development of materials for Li-ion batteries report specific capacities primarily in terms of mAhg −1 . 11-13 While the use of common specific capacity units allows different material systems to be compared quickly, it often means that important considerations for real-world applications are ignored. For example, materials with low tap densities or a high degree of porosity can lead to electrodes which exhibit fantastic capacities in terms of mAhg −1 but poor mass loadings and thus areal/volumetric capacities which are unsuited to real-world devices. This is particularly true for nanoscale materials which often lead to sub-mg level electrode mass loadings. In fact, it is well established that materials tend to perform better when using low mass loadings, 14-17 making the concept of using low mass loadings particularly attractive in terms of maximizing the calculated capacity in terms of mAhg −1 . Given that the merits of materials are often assessed solely on the specific capacity (in terms of mAhg −1 ), it is crucial that the specific capacity values calculated for a system is a genuine representation of the material...

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Section: Resultssupporting

confidence: 92%

Assessing Charge Contribution from Thermally Treated Ni Foam as Current Collectors for Li-Ion Batteries

Geaney

McNulty

O’Connell

et al. 2016

J. Electrochem. Soc.

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“…Therefore, considerable attention has been paid to develop novel materials for both the cathodes and anodes of LIBs which are inexpensive, safe and environmentally benign. So far, graphitic/non-graphitic carbon [7,8], transition-metal oxides [9,10], nitrides [11,12], alloys [13][14][15] and their composites have been exploited as the anode materials of LIBs. In this context, transition metal oxides have received special intersest since they can exhibit about three times higher capacity than the commerial used graphite with a capacity of 372 mAh g -1 .…”

Section: Introductionmentioning

confidence: 99%

Uniform Fe3O4 microflowers hierarchical structures assembled with porous nanoplates as superior anode materials for lithium-ion batteries

Wang¹,

Liu

Arandiyan

et al. 2016

Applied Surface Science

101

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“…Nickel (II) oxide (NiO) and nickel (II) composites in meticulously have attracted substantial interest because of a broad range of applications, namely magnetic materials [17], photovoltaic [18] Li ion batteries [19], catalysis [20], gas sensors [21], p-type transparent conducting films, infrared detectors, storage oxygen materials, fuels cells, supercapacitors, ferromagnetic oxides, gas sensors and luminescence materials, photochromic materials, [22], electrochromic windows [23], biomedicine, desalination, waste water treatment, energy related fields, catalytic reduction, adsorption, photocatalytic reduction, degradation, magnetic material, reinforcing agents in composites [24,25]. Different methods have been reported for the synthesis of NiO, such as sol-gel [26], microemulsion [27], hydrothermal [28], co-precipitation, precipitation [29], sonochemical [15], microwave [30], metal-organic chemical vapor deposition (MOCVD), sputtering method [30], pulsed laser deposition (PLD), infrared irradiation, thermal decomposition, thermal evaporation and condensation [29,30].…”

Section: Nickel Oxide Nanosheets Preparation and Characterization By mentioning

confidence: 99%

Mini Review: Recent Green Advances on the Preparation of V₂O₅, ZnO, and NiO Nanosheets

Likius¹,

Rahman²,

Shilongo³

et al. 2020

Advances in Condensed-Matter and Materials Physics - Rudimentary Research to Topical Technology

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The past decade has seen a surge in the development of research on nanomaterial in the area of mixed metal oxides to fabricate ultrathin films, also known as nanosheets. In this review, different fabrication techniques of metal oxide nanosheets, such as vanadium, nickel, and zinc oxide, are presented. The chapter has also highlighted different ways of how to create smaller, affordable, lighter, and faster devices using vanadium, nickel, and zinc oxides. A detailed description of the synthesis and characterization using scanning electron microscope (SEM) and transmission electron microscope (TEM) for various shapes of nanomaterials is discussed in detail including factors that influence the orientation of nanosheets.

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Facile fabrication of binder-free NiO electrodes with high rate capacity for lithium-ion batteries

Cited by 37 publications

References 33 publications

Assessing Charge Contribution from Thermally Treated Ni Foam as Current Collectors for Li-Ion Batteries

Assessing Charge Contribution from Thermally Treated Ni Foam as Current Collectors for Li-Ion Batteries

Uniform Fe3O4 microflowers hierarchical structures assembled with porous nanoplates as superior anode materials for lithium-ion batteries

Mini Review: Recent Green Advances on the Preparation of V₂O₅, ZnO, and NiO Nanosheets

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Facile fabrication of binder-free NiO electrodes with high rate capacity for lithium-ion batteries

Cited by 37 publications

References 33 publications

Assessing Charge Contribution from Thermally Treated Ni Foam as Current Collectors for Li-Ion Batteries

Assessing Charge Contribution from Thermally Treated Ni Foam as Current Collectors for Li-Ion Batteries

Uniform Fe3O4 microflowers hierarchical structures assembled with porous nanoplates as superior anode materials for lithium-ion batteries

Mini Review: Recent Green Advances on the Preparation of V2O5, ZnO, and NiO Nanosheets

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Mini Review: Recent Green Advances on the Preparation of V₂O₅, ZnO, and NiO Nanosheets