Journal ArticleDOI
Direct laser writing of micro-supercapacitors on hydrated graphite oxide films
Wei Gao,Neelam Singh,Li Song,Zheng Liu,Arava Leela Mohana Reddy,Lijie Ci,Robert Vajtai,Qing Zhang,Bingqing Wei,Pulickel M. Ajayan +9 more
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TLDR
This work demonstrates the scalable fabrication of a new type of all-carbon, monolithic supercapacitor by laser reduction and patterning of graphite oxide films, which show good cyclic stability, and energy storage capacities comparable to existing thin-filmsupercapacitors.Abstract:
All-carbon microscale supercapacitors can be simply and scalably fabricated by the laser patterning and reduction of graphene oxide.read more
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The Role of Geometric Sites in 2D Materials for Energy Storage
Yijun Yang,Xizheng Liu,Zhian Zhu,Yeteng Zhong,Yoshio Bando,Yoshio Bando,Dmitri Golberg,Dmitri Golberg,Jiannian Yao,Jiannian Yao,Xi Wang,Xi Wang +11 more
TL;DR: In this paper, the geometric sites of 2D materials are categorized into point-like, line-like and plane-like defects, and the electronic structures of geometric sites are then discussed.
Journal ArticleDOI
Cable-Type Water-Survivable Flexible Li-O2 Battery.
TL;DR: A novel cable-type water-survivable flexible Li-O2 battery is developed with a hydrophobic and free standing gel polymer electrolyte, showing the high promise to power next-generation versatile flexible electronics.
Journal ArticleDOI
Laser-Induced Freestanding Graphene Papers: A New Route of Scalable Fabrication with Tunable Morphologies and Properties for Multifunctional Devices and Structures
TL;DR: A novel strategy is reported for production of freestanding GP through LIG technology and it is determined that the unique spatial configuration of polyimide (PI) paper is critical for the preparation of GP without the appearance of intense shape distortion.
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Flexible in-plane micro-supercapacitors: Progresses and challenges in fabrication and applications
TL;DR: In this paper, the authors provide a comprehensive overview about micro-supercapacitors and discuss the recent advances in their fabrication and applications, including deposition techniques, coating strategies, etching methods, and printing technologies.
Journal ArticleDOI
Graphene based 2D-materials for supercapacitors
TL;DR: A review of the recent progress in using 2D graphene-based 2D materials as potential electrodes for supercapacitors is provided in this paper, where future research trends including notable challenges and opportunities are also discussed.
References
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Journal ArticleDOI
Graphene-Based Ultracapacitors
TL;DR: CMG materials are made from 1-atom thick sheets of carbon, functionalized as needed, and here their performance in an ultracapacitor cell is demonstrated, illustrating the exciting potential for high performance, electrical energy storage devices based on this new class of carbon material.
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Large-area ultrathin films of reduced graphene oxide as a transparent and flexible electronic material
TL;DR: A solution-based method is reported that allows uniform and controllable deposition of reduced graphene oxide thin films with thicknesses ranging from a single monolayer to several layers over large areas, which could represent a route for translating the interesting fundamental properties of graphene into technologically viable devices.
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State of Understanding of Nafion
TL;DR: Light scattering experiments revealed that the radius of gyration had a linear dependence on the molar mass of the aggregates, which suggests that the particles are in the form of rods or ribbons, or at least some elongated structure.
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The Grotthuss mechanism
TL;DR: In this paper, it is suggested that the molecular mechanism behind prototropic mobility involves a periodic series of isomerizations between H 9 O 4 + and H 5 O 2 +, the first trigerred by hyrdogen-bond cleavage of a second-shell water molecule and the second by the reverse, hydrogen-bonder formation process.