Graphene Oxide‐Based Electrode Inks for 3D‐Printed Lithium‐Ion Batteries

Fu, Kun; Wang, Yibo; Yan, Chaoyi; Yao, Yonggang; Chen, Yanan; Dai, Jiaqi; Lacey, Steven D.; Wang, Yanbin; Wan, Jiayu; Li, Tian; Wang, Zhengyang; Xu, Yue; Hu, Liangbing

doi:10.1002/adma.201505391

Cited by 655 publications

(547 citation statements)

References 44 publications

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“…The graphene also shows better competitive chemical and thermal stability than conductive polymer based inks. In order to keep the shelf life of the graphene ink, many works have been devoted using graphene oxide and its derivatives as the ink raw materials due to their well dispersibility compared with that of the graphene sheets [19][20][21][22][23]. Later on, exfoliated graphene sheets with different stabilizer agents also have been mixed to make stable inks [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Graphene Ink Film Based Electrochemical Detector for Paracetamol Analysis

Xie

Zheng

et al. 2018

Electronics

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Graphene ink is a commercialized product in the graphene industry with promising potential application in electronic device design. However, the limitation of the graphene ink is its low electronic performance due to the ink preparation protocol. In this work, we proposed a simple post-treatment of graphene ink coating via electrochemical oxidation. The electronic conductivity of the graphene ink coating was enhanced as expected after the treatment. The proposed electrochemical oxidation treatment also exposes the defects of graphene and triggered an electrocatalytic reaction during the sensing of paracetamol (PA). The overpotential of redox is much lower than conventional PA redox potential, which is favorable for avoiding the interference species. Under optimum conditions, the graphene ink-based electrochemical sensor could linearly detect PA from 10 to 500 micro molar (µM), with a limit of detection of 2.7 µM.

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Section: Introductionmentioning

confidence: 99%

Graphene Ink Film Based Electrochemical Detector for Paracetamol Analysis

Xie

Zheng

et al. 2018

Electronics

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“…utilising lithium-based composites Li 4 Ti 5 O 12 (LTO) and LiFePO 4 (LFP), using a direct-ink writing protocol with corresponding specific capacity values of 131 and 160 mAh g −1 respectively. Fu et al 11. have also considered this approach with the ‘3D printing’ of the a full Li-ion cell, with a graphene oxide ink bound to LTO and LFP as the cathode and anode material respectively, exhibiting similar specific capacities as Sun et al 10…”

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confidence: 99%

3D Printed Graphene Based Energy Storage Devices

Foster

Down

Zhang

et al. 2017

Sci Rep

400

284

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3D printing technology provides a unique platform for rapid prototyping of numerous applications due to its ability to produce low cost 3D printed platforms. Herein, a graphene-based polylactic acid filament (graphene/PLA) has been 3D printed to fabricate a range of 3D disc electrode (3DE) configurations using a conventional RepRap fused deposition moulding (FDM) 3D printer, which requires no further modification/ex-situ curing step. To provide proof-of-concept, these 3D printed electrode architectures are characterised both electrochemically and physicochemically and are advantageously applied as freestanding anodes within Li-ion batteries and as solid-state supercapacitors. These freestanding anodes neglect the requirement for a current collector, thus offering a simplistic and cheaper alternative to traditional Li-ion based setups. Additionally, the ability of these devices’ to electrochemically produce hydrogen via the hydrogen evolution reaction (HER) as an alternative to currently utilised platinum based electrodes (with in electrolysers) is also performed. The 3DE demonstrates an unexpectedly high catalytic activity towards the HER (−0.46 V vs. SCE) upon the 1000th cycle, such potential is the closest observed to the desired value of platinum at (−0.25 V vs. SCE). We subsequently suggest that 3D printing of graphene-based conductive filaments allows for the simple fabrication of energy storage devices with bespoke and conceptual designs to be realised.

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“…The discharge properties of LFP-and LTO-based half-cells indicated good agreement with their respective theoretical values. Fu et al 20 have recently developed an all-component 3D lithium-ion battery with interdigitated electrodes and a solid membrane, in which graphene oxide (GO)-based composites are used as an ink to print electrodes by DIW (direct ink writing). The inks developed are aqueous GO-based electrode slurries, consisting of highly concentrated GO with cathode or anode active materials.…”

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confidence: 99%

Towards smart free form-factor 3D printable batteries

Friman

Menkin

Kamir

et al. 2018

Sustainable Energy Fuels

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Continuous novelty as the basis for creative advance in rapidly developing different form-factor microelectronic devices requires seamless integrability of batteries. Thus, in the past decade, along with developments in battery materials, the focus has been shifting more and more towards innovative fabrication processes, unconventional configurations, and designs with multi-functional components.We present here, for the first time, a novel concept and feasibility study of a 3D-microbattery printed by fused-filament fabrication (FFF). The reversible electrochemical cycling of 3D printed lithium iron phosphate (LFP) and lithium titanate (LTO) composite polymer electrodes vs. the lithium metal anode has been demonstrated in cells containing conventional non-aqueous and ionic-liquid electrolytes. We believe that by using comprehensively structured interlaced electrode networks it would be possible not only to fabricate free form-factor batteries but also to alleviate the continuous volume changes occurring during charge and discharge.

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Graphene Oxide‐Based Electrode Inks for 3D‐Printed Lithium‐Ion Batteries

Cited by 655 publications

References 44 publications

Graphene Ink Film Based Electrochemical Detector for Paracetamol Analysis

Graphene Ink Film Based Electrochemical Detector for Paracetamol Analysis

3D Printed Graphene Based Energy Storage Devices

Towards smart free form-factor 3D printable batteries

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