PatentDOI
Bamboo-inspired nanostructure design for flexible, foldable and twistable energy storage devices
Yongming Sun,Yi Cui +1 more
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TLDR
In this paper, a flexible all-solid state supercapacitor is provided that includes a first electrode and a second electrode, where the flexible nanofiber web connects the first electrode to the second electrode.Abstract:
A flexible all-solid state supercapacitor is provided that includes a first electrode and a second electrode, and a flexible nanofiber web, where the flexible nanofiber web connects the first electrode to the second electrode, where the flexible nanofiber web includes a plurality of flexible nanofibers, where the flexible nanofiber includes a hierarchal structure of macropores, mesopores and micropores through a cross section of the flexible nanofiber, where the mesopores and the micropores form a graded pore structure, where the macropores are periodically distributed along the flexible nanaofiber and within the graded pore structure.read more
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Electrospinning and Electrospun Nanofibers: Methods, Materials, and Applications
TL;DR: This work aims to provide a comprehensive overview of electrospun nanofibers, including the principle, methods, materials, and applications, and highlights the most relevant and recent advances related to the applications by focusing on the most representative examples.
Journal ArticleDOI
Flexible and Stretchable Energy Storage: Recent Advances and Future Perspectives
TL;DR: Recent progress and well-developed strategies in research designed to accomplish flexible and stretchable lithium-ion batteries and supercapacitors are reviewed.
Journal ArticleDOI
Porous One-Dimensional Nanomaterials: Design, Fabrication and Applications in Electrochemical Energy Storage.
TL;DR: This review presents an overview of porous 1D nanostructure research, from the synthesis by bottom-up and top-down approaches with rational and controllable structures, to several important electrochemical energy storage applications including lithium-ion batteries, sodium-ion lithium-sulfur batteries, lithium-oxygen batteries and supercapacitors.
Journal ArticleDOI
Low-crystalline iron oxide hydroxide nanoparticle anode for high-performance supercapacitors.
Kwadwo Asare Owusu,Longbing Qu,Longbing Qu,Jiantao Li,Zhaoyang Wang,Kangning Zhao,Chao Yang,Kalele Mulonda Hercule,Chao Lin,Changwei Shi,Qiulong Wei,Liang Zhou,Liqiang Mai +12 more
TL;DR: An aqueous hybrid supercapacitor based on the iron oxide hydroxide anode shows stability during float voltage test for 450 h and an energy density of 104 Wh kg−1 at a power density of 1.27 kW kg−1.
Journal ArticleDOI
Highly Flexible, Freestanding Supercapacitor Electrode with Enhanced Performance Obtained by Hybridizing Polypyrrole Chains with MXene
Minshen Zhu,Yang Huang,Qihuang Deng,Jie Zhou,Zengxia Pei,Qi Xue,Yan Huang,Zifeng Wang,Hongfei Li,Qing Huang,Chunyi Zhi +10 more
TL;DR: In this paper, a new approach to enhance PPy's capacitance and cycling stability by forming a freestanding and conductive hybrid film through intercalating polypyrrole into layered Ti3C2, a MXene material, was reported.
References
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Journal ArticleDOI
Materials for electrochemical capacitors
TL;DR: This work has shown that combination of pseudo-capacitive nanomaterials, including oxides, nitrides and polymers, with the latest generation of nanostructured lithium electrodes has brought the energy density of electrochemical capacitors closer to that of batteries.
Journal ArticleDOI
Carbon-based Supercapacitors Produced by Activation of Graphene
Yanwu Zhu,Shanthi Murali,Meryl D. Stoller,K. J. Ganesh,Weiwei Cai,Paulo J. Ferreira,Adam Pirkle,Robert M. Wallace,Katie A. Cychosz,Matthias Thommes,Dong Su,Eric A. Stach,Rodney S. Ruoff +12 more
TL;DR: This work synthesized a porous carbon with a Brunauer-Emmett-Teller surface area, a high electrical conductivity, and a low oxygen and hydrogen content that has high values of gravimetric capacitance and energy density with organic and ionic liquid electrolytes.
Journal ArticleDOI
Carbon materials for the electrochemical storage of energy in capacitors
TL;DR: In this article, different types of capacitors with a pure electrostatic attraction and/or pseudocapacitance effects are presented, and their performance in various electrolytes is studied taking into account the different range of operating voltage (1V for aqueous and 3 V for aprotic solutions).
Journal ArticleDOI
Laser Scribing of High-Performance and Flexible Graphene-Based Electrochemical Capacitors
TL;DR: It is shown that graphite oxide sheets can be converted by infrared laser irradiation into porous graphene sheets that are flexible, robust, and highly conductive, and hold promise for high-power, flexible electronics.
Journal ArticleDOI
Ultrahigh-power micrometre-sized supercapacitors based on onion-like carbon
David Pech,Magali Brunet,Hugo Durou,Peihua Huang,Vadym Mochalin,Yury Gogotsi,Pierre-Louis Taberna,Patrice Simon +7 more
TL;DR: This work demonstrates microsupercapacitors with powers per volume that are comparable to electrolytic capacitors, capacitances that are four orders of magnitude higher, and energies per volume higher than conventional supercapacitor.