Mesoporous carbon film inlaid with Li3V2(PO4)3 nanoclusters through delaying sol-gel method for high performance lithium-ion hybrid supercapacitors

2018 ◽  
Vol 283 ◽  
pp. 1589-1599 ◽  
Author(s):  
Biying Zhuang ◽  
Zihan Guo ◽  
Wenjing Chu ◽  
Zhenzhu Cao ◽  
Tungalagtamir Bold ◽  
...  
Keyword(s):  
Mesoporous Carbon ◽  
High Performance ◽  
Sol Gel ◽  
Carbon Film ◽  
Lithium Ion ◽  
Gel Method ◽  
Sol Gel Method ◽  
Hybrid Supercapacitors

Ce 3+ -doped Li 4 Ti 5 O 12 with CeO 2 surface modification by a sol-gel method for high-performance lithium-ion batteries

2016 ◽  
Vol 189 ◽  
pp. 147-157 ◽  
Author(s):  
Qianyu Zhang ◽  
Yan Liu ◽  
Huansheng Lu ◽  
Daoping Tang ◽  
Chuying Ouyang ◽  
...  
Keyword(s):  
Surface Modification ◽  
Lithium Ion Batteries ◽  
High Performance ◽  
Sol Gel ◽  
Lithium Ion ◽  
Gel Method ◽  
Sol Gel Method

SnO2 nanotube arrays embedded in a carbon layer for high-performance lithium-ion battery applications

2015 ◽  
Vol 39 (4) ◽  
pp. 2541-2546 ◽  
Author(s):  
Ji Hyun Um ◽  
Seung-Ho Yu ◽  
Yong-Hun Cho ◽  
Yung-Eun Sung
Keyword(s):  
Lithium Ion Battery ◽  
High Performance ◽  
Sol Gel ◽  
Lithium Ion ◽  
Carbon Layer ◽  
Nanotube Arrays ◽  
Gel Method ◽  
Sol Gel Method ◽  
Sno2 Nanotube

SnO2 nanotube arrays embedded in a carbon layer were fabricated via a simple sol–gel method, which has shown good battery performance.

SnO2 Nanoparticles for Lithium-Ion Batteries Prepared by Sol-Gel Method

2017 ◽  
Vol 727 ◽  
pp. 718-725 ◽  
Author(s):  
Xu Yan Liu ◽  
Yan Lin Han ◽  
Qiang Li ◽  
Deng Pan
Keyword(s):  
Lithium Ion Batteries ◽  
High Performance ◽  
Discharge Rate ◽  
Sol Gel ◽  
Lithium Ion ◽  
High Energy ◽  
High Energy Density ◽  
Lithium Storage ◽  
Gel Method ◽  
Sol Gel Method

Nanostructured SnO2 is an attractive anode material for high-energy-density lithium-ion batteries because of the fourfold higher theoretical charge capacity than commercially used graphite. However, the poor capacity retention at high rates and long-term cycling have intrinsically limited applications of nanostructured SnO2 anodes due to large polarization and ~300% volume change upon lithium insertion/extraction. Here we report the design of SnO2 nanoparticles, which are synthesized by sol-gel method, with an aim at overcome the above problems for the high-performance reversible lithium storage. The results showed that the mean sizes of SnO2 particles treated with 6 wt.% ammonia were less than 30 nm, which can store charge with a capacity density as high as ~1888 mAh/g. Even when the discharge rate was increased to 0.5 C, it still retained ~1017 mAh/g.

High performance (1 − x)LiMnPO4·xLi3V2(PO4)3/C composite cathode materials prepared by a sol–gel method

RSC Advances ◽  
2015 ◽  
Vol 5 (98) ◽  
pp. 80170-80175 ◽  
Author(s):  
Shanshan Li ◽  
Zhi Su ◽  
Xinyu Wang
Keyword(s):  
Lithium Ion Batteries ◽  
Cathode Materials ◽  
High Performance ◽  
Sol Gel ◽  
Lithium Ion ◽  
Composite Cathode ◽  
Dimethyl Formamide ◽  
Gel Method ◽  
Sol Gel Method ◽  
Dispersing Agent

A series of (1 − x)LiMnPO4·xLi3V2(PO4)3/C (x = 0, 0.1, 0.3, 0.5, 0.7, 0.9 and 1) composite nanoparticles are synthesized as cathode materials for lithium-ion batteries by the sol–gel method, using N,N-dimethyl formamide as a dispersing agent.

scholarly journals Fabrication and Analysis of Near-Field Electrospun PVDF Fibers with Sol-Gel Coating for Lithium-Ion Battery Separator

Membranes ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 186
Author(s):  
Mark D. Francisco ◽  
Cheng-Tang Pan ◽  
Bo-Hao Liao ◽  
Mao-Sung Wu ◽  
Ru-Yuan Yang ◽  
...  
Keyword(s):  
Ionic Conductivity ◽  
Specific Capacitance ◽  
Near Field ◽  
Sol Gel ◽  
Lithium Ion ◽  
Nonwoven Fabric ◽  
Electrospun Fibers ◽  
Gel Method ◽  
Sol Gel Method ◽  
Microtensile Testing

Environmental and economic concerns are driving the demand for electric vehicles. However, their development for mass transportation hinges largely on improvements in the separators in lithium-ion batteries (LIBs), the preferred energy source. In this study, innovative separators for LIBs were fabricated by near-field electrospinning (NFES) and the sol-gel method. Using NFES, poly (vinylidene fluoride) (PVDF) fibers were fabricated. Then, PVDF membranes with pores of 220 nm and 450 nm were sandwiched between a monolayer and bilayer of the electrospun fibers. Nanoceramic material with organic resin, formed by the sol-gel method, was coated onto A4 paper, rice paper, nonwoven fabric, and carbon synthetic fabric. Properties of these separators were compared with those of a commercial polypropylene (PP) separator using a scanning electron microscope (SEM), microtensile testing, differential scanning calorimetry (DSC), ion-conductivity measurement, cyclic voltammetry (CV), and charge-discharge cycling. The results indicate that the 220 nm PVDF membrane sandwiched between a bilayer of electrospun fibers had excellent ionic conductivity (~0.57 mS/cm), a porosity of ~70%, an endothermic peak of ~175 °C, better specific capacitance (~356 mAh/g), a higher melting temperature (~160 °C), and a stable cycle performance. The sol-gel coated nonwoven fabric had ionic conductivity, porosity, and specific capacitance of ~0.96 mS/cm., ~64%, and ~220 mAh/g, respectively, and excellent thermal stability despite having a lower specific capacitance (65% of PP separator) and no peak below 270 °C. The present study provides a significant step toward the innovation of materials and processes for fabricating LIB separators.

Fast response acetone-sensing properties of SnO2 nanoparticles prepared by the sol-gel method

2021 ◽  
Vol 93 (3) ◽  
pp. 30401
Author(s):  
Jiaxing Wang ◽  
Hai Yu ◽  
Yong Zhang
Keyword(s):  
High Performance ◽  
Gas Sensing ◽  
Sno2 Nanoparticles ◽  
Sol Gel ◽  
Fast Response ◽  
X Ray Diffraction ◽  
Gel Method ◽  
Sol Gel Method ◽  
Short Recovery Time ◽  
Acetone Gas Detection

SnO2 nanoparticle architectures were successfully synthesized using a sol-gel method and developed for acetone gas detection. The morphology and structure of the particles were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The SnO2 nanoparticle architectures were configured as high-performance sensors to detect acetone and showed a very fast response time (<1 s), a short recovery time (10 s), good repeatability and high selectivity at a relatively low working temperature. Thus, SnO2 nanoparticles should be promising candidates for designing and fabricating acetone gas sensors with good gas sensing performance. The possible gas sensing mechanism is also presented.

MgMoO4 as an anode material for lithium ion batteries and its multi-electron reaction mechanism

2022 ◽  
Author(s):  
He Duan ◽  
Zhiyong Zhou ◽  
Yanming Zhao ◽  
Youzhong Dong
Keyword(s):  
Reaction Mechanism ◽  
Synergistic Effect ◽  
Lithium Ion Batteries ◽  
Anode Material ◽  
Single Phase ◽  
Sol Gel ◽  
Lithium Ion ◽  
Gel Method ◽  
Sol Gel Method ◽  
Magnesium Molybdate

Single-phase magnesium molybdate, MgMoO4, is successfully synthesized by a facile sol-gel method. Attributed to the multielectron reaction and the synergistic effect of the elements molybdenum (Mo) and magnesium (Mg), the...

Mesoporous 3D network Ce-doped NiO nanoflakes as high performance electrodes for supercapacitor applications

2019 ◽  
Vol 43 (19) ◽  
pp. 7441-7456 ◽  
Author(s):  
P. E. Saranya ◽  
S. Selladurai
Keyword(s):  
High Performance ◽  
Sol Gel ◽  
Gel Method ◽  
Sol Gel Method ◽  
3D Network ◽  
Supercapacitor Applications

In the present study, pristine NiO- and Ce (0.5, 1.0, 1.5, and 2%)-doped NiO nanoflakes were synthesised using the sol–gel method for supercapacitor applications.

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