NiO–graphene hybrid as an anode material for lithium ion batteries

Mai, Y.J.; Shi, San-Qiang; Zhang, D.; Lü, Yi; Gu, C.D.; Tu, Jiangping

doi:10.1016/j.jpowsour.2011.12.038

Cited by 189 publications

(136 citation statements)

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“…To date, transition metal oxides, such as iron oxide, nickel oxide, and cobalt oxide, have been widely studied as candidate anode materials for lithium ion batteries (LIBs) due to their ability to react with more than two Li + ions per formula unit, resulting in higher capacity than that of graphite [1][2][3][4][5][6]. Molybdenum dioxide (MoO 2 ), one of the transition metal oxides, is remarkably attractive as a host material for lithium ion storage.…”

Section: Introductionmentioning

confidence: 99%

MoO2/Mo2C/C spheres as anode materials for lithium ion batteries

Ihsan

Wang

Majid

et al. 2016

Carbon

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MoO2/Mo2C/C spheres have been synthesized through hydrothermal and calcination processes. MoO2 is well known for its high theoretical capacity of 838 mAh g-1, but undergoes capacity fading during Li+ insertion/extraction processes. Mo2C has high specific conductance (1.02 x 102 S cm-1) that can provide better electronic conductivity. Carbon is popular for its ability to accommodate the volume variation during charge/discharge. By taking advantage of the combination of Mo2C and C, these MoO2/Mo2C/C spheres demonstrate not only high cycling performance, but also good rate capability when they are used as anode materials for lithium ion batteries. After 100 cycles at 100 mA g-1, the discharge capacities of the MoO2/ Mo2C/C spheres remain at 800 mAh g-1, suggesting that MoO2/Mo2C/C spheres are promising candidates as anode material for lithium ion batteries. Disciplines Engineering | Physical Sciences and Mathematics Publication DetailsIhsan, M., Wang, H., Majid, S. R., Yang, J., Kennedy, S. J., Guo, Z. & Liu, H. Kun. (2016 AbstractMoO 2 /Mo 2 C/C spheres have been synthesized through hydrothermal and calcination processes. MoO 2 is well known for its high theoretical capacity of 838 mAh g -1 , but undergoes capacity fading during Li + insertion/extraction processes. Mo 2 C has high specific conductance (1.02 × 10 2 S cm -1 ) that can provide better electronic conductivity. Carbon is popular for its ability to accommodate the volume variation during charge/discharge. By taking advantage of the combination of Mo 2 C and C, these MoO 2 /Mo 2 C/C spheres demonstrate not only high cycling performance, but also good rate capability when they are used as anode materials for lithium ion batteries. After 100 cycles at 100 mA g -1 , the discharge capacities of the MoO 2 /Mo 2 C/C spheres remain at 800 mAh g -1 , suggesting that MoO 2 /Mo 2 C/C spheres are promising candidates as anode material for lithium ion batteries.

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Section: Introductionmentioning

confidence: 99%

MoO2/Mo2C/C spheres as anode materials for lithium ion batteries

Ihsan

Wang

Majid

et al. 2016

Carbon

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“…Very recently, it was suggested that graphene, a new two-dimensional nanomaterial composed of sp 2 -hybridized carbon, could be employed as an excellent candidate for the preparation of metal oxide − graphene nanocomposites due to its high conductivity, large surface area, flexibility, and chemical stability [27]. Metal oxide-graphene nanocomposites that have been prepared with different morphologies for specific applications include nanoparticle-graphene hybrids such as Fe 3 O 4 -graphene [28][29][30], NiO-graphene [31,32], SnO 2 -graphene [33][34][35] and LiFePO 4 -graphene [36,37] .…”

Section: Introductionmentioning

confidence: 99%

Rapid synthesis of free-standing MoO3/Graphene films by the microwave hydrothermal method as cathode for bendable lithium batteries

Noerochim

Wang

Wexler

et al. 2013

Journal of Power Sources

116

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Highly flexible, binder-free, MoO3 nanobelt/graphene film electrode is prepared by a two-step microwave hydrothermal method. Graphene is first prepared by an ultra-fast microwave hydrothermal method and then mixed with MoO3 solution to synthesize the MoO3 nanobelt/graphene composite, which exhibits the combination of stacked graphene sheets and uniform MoO3 nanobelts with widths of 200-500 nm and lengths of 5-10 μm. The charge-discharge measurements show that the as-synthesized MoO3/graphene hybrid materials demonstrate excellent rate capability, large capacity, and good cycling stability compared to the pure MoO3 film. An initial discharge capacity of 291 mAh g-1 can be obtained at 100 mA g-1, with a capacity of 172 mAh g -1 retained after 100 cycles. The results show that the MoO 3/graphene designed in this study can be used as a free-standing cathode material in rechargeable bendable Lithium batteries. © 2012 Published by Elsevier B.V. All rights reserved.Keywords rapid, lithium, bendable, cathode, method, hydrothermal, microwave, films, graphene, moo3, free, synthesis, standing, batteries Disciplines Engineering | Science and Technology Studies Publication DetailsNoerochim, L., Wang, J., Wexler, D., Chao, Z. & Liu, H. (2013). Rapid synthesis of free-standing MoO3/ Graphene films by the microwave hydrothermal method as cathode for bendable lithium batteries. Journal of Power Sources, • A new method to synthesize high quality of MoO 3 nanobelts from commercial bulk.• Ultra-fast microwave hydrothermal method for fabrication MoO 3 /graphene films.• MoO 3 /graphene hybrid materials demonstrate good cycling stability as cathode. 3 IntroductionThe There are several reports on the hydrothermal synthesis of MoO 3 nanostructures to produce materials with high purity, homogeneity, good crystallinity, and unique properties [20,[38][39][40]. Microwave irradiation can be used as an alternative heat source for the 5 hydrothermal process [41,42]. It leads to a rapid heating to attain the desired temperature in a short time and increases the reaction kinetics compared to the conventional hydrothermal method. In a microwave-assisted hydrothermal reaction, the heating rate is extremely rapid, due to the dielectric property of the medium or solvent [41,42]. Recently, Phuruangrat et al. [43] reported MoO 3 nanowires 50 nm in diameter and 10-12 μm in length that were synthesized by the microwave assisted hydrothermal method with cetyl trimethylammonium bromide (CTAB) as the surfactant-template.Here, we present a new method to synthesize high quality MoO 3 nanobelts from commercial bulk MoO 3 without a surfactant-template and combine them with graphene via a two-step microwave hydrothermal method for fabrication of highly flexible free-standing MoO 3 /graphene films. The free-standing MoO 3 nanobelt/graphene films prepared by the above method followed by the vacuum filtration technique were investigated as a cathode material for bendable Lithium batteries and compared with MoO 3 nanobelt films prepared by a similar method ...

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“…Regarding previously developed graphene-containing composites, many different semimetal-(e.g., Si [206][207][208][209] ), metal-(e.g., Sn [210][211][212][213] ) and metal-oxide-(e.g., NiO, [214][215][216] [ 225,226 ] or CoO [ 227,228 ] ) based graphene hybrids were further reported. However, despite some clever approaches to stabilize the structure of the active material (e.g., freeze-drying, [ 206 ] crumpling, [ 207 ] spin coating [ 209 ] or nanocabling [ 211 ] ), only few cases reported a successful minimization of the 1 st cycle irreversible capacity and improved delithiation voltage.…”

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confidence: 98%

Critical Insight into the Relentless Progression Toward Graphene and Graphene‐Containing Materials for Lithium‐Ion Battery Anodes

et al. 2016

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that its extraordinary properties would enable revolutionary new technologies, which gave birth to the "graphene era". [ 3,4 ] Relying on this scenario, in 2013, the European Union launched the ¤1 billion "Graphene Flagship" project aimed to investigate the properties of this new form of carbon for various applications (e.g., electronics, sensors and energy storage devices), with the ambitious goal of guiding graphene from laboratories to commercial applications within a decade. [ 5,6 ] In the same period, the Chinese Government set up a similar investment to mass-produce graphene as thin fi lms (e.g., for touchscreen electrodes) and platelets (e.g., for use in batteries). [ 6 ] In the following years, hundreds of patents, mainly focused on manufacturing and application in energy storage, were fi led and the worldwide production of graphene and graphene-containing materials rapidly increased. Although a few Chinese industries claimed to already use graphene-containing materials for smartphone production, no revolutionary practical application relying on graphene has been yet developed. [ 6 ] Specifi cally with respect to the battery fi eld, a close analysis of the scientifi c literature reveals a struggle to meet the ambitious initial targets. A potential loss of focus from the fi nal application caused by hype and ease of publication on such a novel matter, together with the delivery of very misleading information [ 7,8 ] and erroneous statements [ 7 ] concerning the use of graphene in batteries are emerging as possible reasons of the ineffective graphene-era outburst. In this progress report, we do not focus on production and classifi cation of graphene and graphene-containing materials, which were already well reported in the past years. [ 3,[9][10][11] In contrast, due to the lack of an exhaustive analysis of the progression of the use of such materials in lithium-ion battery (LIB) anodes, we report here a critical evaluation of the most prominent research papers published from 2008 until the end of 2015. As shown in Figure 1 , three different stages of the graphene research in LIB anodes can be distinguished: a fi rst stationary phase between 2008 and 2010 where the lithium-ion storage properties of different graphene and graphene-containing materials were preliminarily explored, a second exponential stage, spanning from 2010 to 2014, where graphene and graphene-containing anode materials were broadly developed and investigated, and fi nally, a third phase, (i.e., starting from 2015), where the research seems to have approached a plateau. After Used as a bare active material or component in hybrids, graphene has been the subject of numerous studies in recent years. Indeed, from the fi rst report that appeared in late July 2008, almost 1600 papers were published as of the end 2015 that investigated the properties of graphene as an anode material for lithium-ion batteries. Although an impressive amount of data has been collected, a real advance in the fi eld still seems to be missing. In this framework, atten...

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NiO–graphene hybrid as an anode material for lithium ion batteries

Cited by 189 publications

References 48 publications

MoO2/Mo2C/C spheres as anode materials for lithium ion batteries

MoO2/Mo2C/C spheres as anode materials for lithium ion batteries

Rapid synthesis of free-standing MoO3/Graphene films by the microwave hydrothermal method as cathode for bendable lithium batteries

Critical Insight into the Relentless Progression Toward Graphene and Graphene‐Containing Materials for Lithium‐Ion Battery Anodes

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