Mesoporous iron oxide directly anchored on a graphene matrix for lithium-ion battery anodes with enhanced strain accommodation

Zheng, Mingbo; Qiu, Danfeng; Zhao, Bin; Ma, Luyao; Wang, Xinran; Lin, Zhien; Pan, Lijia; Zheng, Yongjia; Shi, Yi

doi:10.1039/c2ra22702a

Cited by 78 publications

(56 citation statements)

References 50 publications

(53 reference statements)

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“…This year various graphene/ metal oxide hybrids were also tested in full-cell confi guration. Y. Shi et al, [ 382 ] coupled their RGO/iron oxide hybrid (with an iron oxide content of about 67 wt%) with commercial LiMn 2 O 4 and LiCoO 2 cathodes. Despite having 1 st cycle irreversible capacities in the order of 30%, both full-cells showed a stable behavior for 20-25 cycles exhibiting fi nal discharge capacities (based on the mass of the graphene-containing anode only) in the 780-890 mAh g −1 range (Table 3 ).…”

Section: Full-cells Employing Graphene and Graphene-containing Anodesmentioning

confidence: 99%

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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Section: Full-cells Employing Graphene and Graphene-containing Anodesmentioning

confidence: 99%

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

et al. 2016

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“…Porous graphene hybrids can also be produced by thermally treating a mixture of graphene and porous components [48][49][50][51][52][53][54][55]. Rui et al [48] produced a V 2 O 5 /rGO composite by thermal pyrolysis of a hybrid of vanadium oxide (VO) and rGO at the temperature of 350°C for 30 min under a heating rate of 10°C/min in air.…”

Section: Template-free Approachmentioning

confidence: 99%

Porous Graphene Materials for Energy Storage and Conversion Applications

Wasalathilake¹,

Ayoko²,

Chen³

2016

Recent Advances in Graphene Research

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Porous graphene materials possess a unique structure with interconnected networks, high surface area, and high pore volume. Because of the combination of its remarkable architecture and intrinsic properties, such as high mechanical strength, excellent electrical conductivity, and good thermal stability, porous graphene has attracted tremendous attention in many fields, such as nanocomposites, lithium batteries, supercapacitors, and dye-sensitized solar cells. This chapter reviews synthesis methods, properties, and several key applications of porous graphene materials.

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“…Thus, considerable efforts have been made to enhance the SC performance by creating composites of TMOs and carbon materials, such as TMOs/graphene and TMOs/ carbon nanofibers (CFs) [154][155][156][157][158][159][160][161][162][163][164][165][166][167]. The synthesized multi-component composites can maximize the benefits from all components [154][155][156][157][158][159][160][161][162][163][164][165][166][167][168][169].…”

Section: Composites Of Carbon Materials and Tmosmentioning

confidence: 99%