scholarly journals Facile, Scalable, Eco-Friendly Fabrication of High-Performance Flexible All-Solid-State Supercapacitors

Polymers ◽  
2018 ◽  
Vol 10 (11) ◽  
pp. 1247 ◽  
Author(s):  
Jincy Jyothibasu ◽  
Rong-Ho Lee
Keyword(s):  
Solid State ◽  
High Performance ◽  
Low Cost ◽  
Hollow Structure ◽  
Current Collector ◽  
Supercapacitor Electrode ◽  
Filtration Method ◽  
Synthesis Strategy ◽  
Symmetric Supercapacitor ◽  
Scan Rate

A highly porous freestanding supercapacitor electrode has been fabricated through a simple, inexpensive, bulk-scalable, and environmentally friendly method, without using any extra current collector, binder, or conducting additive. Benefiting from its unique micro-tubular hollow structure with a thin cell wall and large lumen, kapok fiber (KF) was used herein as a low-cost template for the successive growth of polypyrrole (PPy) through in situ chemical polymerization. This PPy-coated KF (KF@PPy) was blended with functionalized carbon nanotubes (f-CNTs) to form freestanding conductive films (KF@PPy/f-CNT) through a simple dispersion and filtration method. The hybrid film featuring the optimal composition exhibited an outstanding areal capacitance of 1289 mF cm−2 at a scan rate of 5 mV s−1. Moreover, an assembled all-solid-state symmetric supercapacitor featuring a PVA/H2SO4 gel electrolyte exhibited not only areal capacitances as high as 258 mF cm−2 (at a scan rate of 5 mV s−1) but also excellent cycling stability (97.4% of the initial capacitance after 2500 cycles). Therefore, this efficient, low-cost, scalable green synthesis strategy appears to be a facile and sustainable way of fabricating high-performance flexible supercapacitors incorporating a renewable cellulose material.

Vertically-aligned graphene@Mn3O4 nanosheets for a high-performance flexible all-solid-state symmetric supercapacitor

2016 ◽  
Vol 4 (22) ◽  
pp. 8830-8836 ◽  
Author(s):  
Q. Y. Liao ◽  
S. Y. Li ◽  
H. Cui ◽  
Chengxin Wang
Keyword(s):  
Solid State ◽  
High Performance ◽  
Graphene Nanosheets ◽  
Carbon Fabric ◽  
Supercapacitor Electrode ◽  
Symmetric Supercapacitor ◽  
Vertically Aligned

We have made a supercapacitor electrode based on carbon fabric, vertically aligned graphene nanosheets (VAGN) and Mn3O4 nanoparticles.

Organic electrode materials for non-aqueous, aqueous, and all-solid-state Na-ion batteries

2021 ◽  
Author(s):  
Kathryn Holguin ◽  
Motahareh Mohammadiroudbari ◽  
Kaiqiang Qin ◽  
Chao Luo
Keyword(s):  
Solid State ◽  
High Performance ◽  
Electrode Materials ◽  
Low Cost ◽  
Li Ion Batteries ◽  
Organic Electrode ◽  
Li Ion

Na-ion batteries (NIBs) are promising alternatives to Li-ion batteries (LIBs) due to the low cost, abundance, and high sustainability of sodium resources. However, the high performance of inorganic electrode materials...

A novel 3D porous electrode of polyaniline and PEDOT:PSS coated SiNWs for low-cost and high-performance supercapacitors

2021 ◽  
Author(s):  
Xiaojuan Shen ◽  
Xuan Zhang ◽  
Tongfei Wang ◽  
Songjun Li ◽  
Zhaoqiang Li
Keyword(s):  
High Performance ◽  
Solution Method ◽  
In Situ Polymerization ◽  
Low Cost ◽  
Porous Electrode ◽  
Simple Solution ◽  
Porous Si ◽  
Supercapacitor Electrode

In this study, a novel 3D porous Si-based supercapacitor electrode was developed by the simple solution method, which involved firstly the in-situ polymerization of polyaniline particles (PANI) on the Si...

scholarly journals Chemical Simultaneous Synthesis Strategy of Two Nitrogen-Rich Carbon Nanomaterials for All-Solid-State Symmetric Supercapacitor

ACS Omega ◽  
2018 ◽  
Vol 3 (12) ◽  
pp. 17276-17286 ◽  
Author(s):  
Rashmi Chandrabhan Shende ◽  
Manoharan Muruganathan ◽  
Hiroshi Mizuta ◽  
Masashi Akabori ◽  
Ramaprabhu Sundara
Keyword(s):  
Solid State ◽  
Carbon Nanomaterials ◽  
Synthesis Strategy ◽  
Symmetric Supercapacitor ◽  
Simultaneous Synthesis

LaF3-BaF2-KF derived electrolyte in solid state fluoride-ion battery

2010 ◽  
Vol 1266 ◽  
Author(s):  
Dechao Wang ◽  
Anji Reddy Munnangi ◽  
Horst Hahn ◽  
Max Fichtner
Keyword(s):  
Solid State ◽  
High Performance ◽  
Low Cost ◽  
Electrical Energy ◽  
Composite Cathode ◽  
Fluoride Anion ◽  
Cubic Symmetry ◽  
Group A ◽  
Battery Technology ◽  
Preparation Techniques

AbstractSolid-state based battery technology offers, in principle, the largest temperature range (from room temperature to 500 °C) of any battery technology. In fluoride based batteries, the chemical reaction used to create electrical energy is a solid-state reaction of a metal with fluoride anion [1]. Among the various types of solid preparation techniques, the mechanochemical synthesis has been recognized as a powerful route to novel, high-performance, and low-cost materials [2]. Thus, a mixed and highly disordered fluoride phase with retained cubic symmetry can be obtained with a very high Fˉ diffusivity [3].In our group, a series of new electrolytes was developed, namely LaF3-BaF2-KF solid solutions, using mechanosynthesis method. The cubic structure of the product was confirmed by XRD. The nanoscale nature and morphology of the samples were characterized by SEM and TEM. First Solid-state electrochemical cells were built with LiF based composite cathode, LaF3-BaF2-KF derived electrolyte and Fe based composite anode.

High performance fiber-shaped all-solid-state symmetric supercapacitor based on mesoporous CuCo2S4 nanosheets

2018 ◽  
Vol 30 (1) ◽  
pp. 667-676 ◽  
Author(s):  
Jiqiu Qi ◽  
Xiaofeng Liu ◽  
Yanwei Sui ◽  
Yezeng He ◽  
Yaojian Ren ◽  
...  
Keyword(s):  
Solid State ◽  
High Performance ◽  
Symmetric Supercapacitor ◽  
High Performance Fiber

Applying multi-scale silica-like three-dimensional networks in PEO matrix via in-situ crosslinking for high-performance solid composite electrolyte

2021 ◽  
Author(s):  
Jiawei Wu ◽  
Jing Chen ◽  
Xiaodong Wang ◽  
An'an Zhou ◽  
Zhenglong Yang
Keyword(s):  
Solid State ◽  
High Performance ◽  
Low Cost ◽  
Three Dimensional ◽  
Electrochemical Stability ◽  
Composite Electrolyte ◽  
Solid State Electrolyte ◽  
Multi Scale ◽  
In Situ Crosslinking

For the higher safety and energy density, solid-state electrolyte with better mechanical strength, thermal and electrochemical stability is a perfect choice. To improve the performance of PEO, usage of low-cost...

Low-Cost High-Performance Solid-State Asymmetric Supercapacitors Based on MnO2 Nanowires and Fe2O3 Nanotubes

Nano Letters ◽  
2014 ◽  
Vol 14 (2) ◽  
pp. 731-736 ◽  
Author(s):  
Peihua Yang ◽  
Yong Ding ◽  
Ziyin Lin ◽  
Zhongwei Chen ◽  
Yuzhi Li ◽  
...  
Keyword(s):  
Solid State ◽  
High Performance ◽  
Low Cost ◽  
Asymmetric Supercapacitors ◽  
Fe2o3 Nanotubes ◽  
Mno2 Nanowires

scholarly journals A Ni(OH)2 nanopetals network for high-performance supercapacitors synthesized by immersing Ni nanofoam in water

2019 ◽  
Vol 10 ◽  
pp. 281-293 ◽  
Author(s):  
Donghui Zheng ◽  
Man Li ◽  
Yongyan Li ◽  
Chunling Qin ◽  
Yichao Wang ◽  
...  
Keyword(s):  
Power Density ◽  
Current Density ◽  
High Performance ◽  
Low Cost ◽  
Electrode Reaction ◽  
Commercial Application ◽  
Ion Diffusion ◽  
Symmetric Supercapacitor ◽  
Red Led ◽  
A Current

Developing a facile and environmentally friendly approach to the synthesis of nanostructured Ni(OH)2 electrodes for high-performance supercapacitor applications is a great challenge. In this work, we report an extremely simple route to prepare a Ni(OH)2 nanopetals network by immersing Ni nanofoam in water. A binder-free composite electrode, consisting of Ni(OH)2 nanopetals network, Ni nanofoam interlayer and Ni-based metallic glass matrix (Ni(OH)2/Ni-NF/MG) with sandwich structure and good flexibility, was designed and finally achieved. Microstructure and morphology of the Ni(OH)2 nanopetals were characterized. It is found that the Ni(OH)2 nanopetals interweave with each other and grow vertically on the surface of Ni nanofoam to form an “ion reservoir”, which facilitates the ion diffusion in the electrode reaction. Electrochemical measurements show that the Ni(OH)2/Ni-NF/MG electrode, after immersion in water for seven days, reveals a high volumetric capacitance of 966.4 F/cm3 at a current density of 0.5 A/cm3. The electrode immersed for five days exhibits an excellent cycling stability (83.7% of the initial capacity after 3000 cycles at a current density of 1 A/cm3). Furthermore, symmetric supercapacitor (SC) devices were assembled using ribbons immersed for seven days and showed a maximum volumetric energy density of ca. 32.7 mWh/cm3 at a power density of 0.8 W/cm3, and of 13.7 mWh/cm3 when the power density was increased to 2 W/cm3. The fully charged SC devices could light up a red LED. The work provides a new idea for the synthesis of nanostructured Ni(OH)2 by a simple approach and ultra-low cost, which largely extends the prospect of commercial application in flexible or wearable devices.

Sign in / Sign up

Export Citation Format

Share Document