Highly stable SnO2–Fe2O3–C hollow spheres for reversible lithium storage with extremely long cycle life

Nanoscale ◽  
2018 ◽  
Vol 10 (9) ◽  
pp. 4370-4376 ◽  
Author(s):  
Jonghyun Choi ◽  
Won-Sik Kim ◽  
Seong-Hyeon Hong
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Hydrothermal Method ◽  
Structural Stability ◽  
Sol Gel ◽  
Hollow Spheres ◽  
Lithium Ion ◽  
Lithium Storage ◽  
Long Cycle Life

SnO2–Fe2O3–C triple-shell hollow nano-spheres are fabricated by combining the template-based sol–gel coating technique and hydrothermal method, and their electrochemical performance as an anode for lithium ion batteries (LIBs) is investigated, particularly focusing on their structural stability and long term cyclability.

scholarly journals Formation of graphene-encapsulated CoS2 hybrid composites with hierarchical structures for high-performance lithium-ion batteries

RSC Advances ◽  
2017 ◽  
Vol 7 (63) ◽  
pp. 39427-39433 ◽  
Author(s):  
Shi Tao ◽  
Weifeng Huang ◽  
Hui Xie ◽  
Jing Zhang ◽  
Zhicheng Wang ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Hydrothermal Method ◽  
Hierarchical Structure ◽  
High Performance ◽  
Hybrid Composites ◽  
Hierarchical Structures ◽  
Lithium Ion ◽  
Long Cycle Life ◽  
Excellent Electrochemical Performance

Hierarchical structure CoS2 nanospheres with graphene (CoS2/G) composite is fabricated by a simple hydrothermal method. This composite exhibits excellent electrochemical performance, especially long cycle life.

Nanocomposite Li3V2(PO4)3/carbon as a cathode material with high rate performance and long-term cycling stability in lithium-ion batteries

RSC Advances ◽  
2015 ◽  
Vol 5 (70) ◽  
pp. 57127-57132 ◽  
Author(s):  
Peixun Xiong ◽  
Lingxing Zeng ◽  
Huan Li ◽  
Cheng Zheng ◽  
Mingdeng Wei
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Sol Gel ◽  
Lithium Ion ◽  
High Rate ◽  
Rate Performance ◽  
Nanocasting Route ◽  
High Rate Performance ◽  
Carbon Nanocomposite

Li3V2(PO4)3/carbon nanocomposite with high electrochemical performance has been successfully synthesized by combining sol–gel method and nanocasting route.

scholarly journals CuFeO2–NiFe2O4 hybrid electrode for lithium-ion batteries with ultra-stable electrochemical performance

RSC Advances ◽  
2019 ◽  
Vol 9 (47) ◽  
pp. 27257-27263 ◽  
Author(s):  
Jun Young Cheong ◽  
Seokwon Lee ◽  
Jiyoung Lee ◽  
Haeseong Lim ◽  
Su-Ho Cho ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Sol Gel ◽  
Lithium Ion ◽  
Heat Treatments ◽  
High Rate ◽  
Sol Gel Process

Novel NiFe2O4–CuFeO2 heterostructures were synthesized by sol–gel process and subsequent heat treatments, which exhibit excellent long-term high-rate cyclability.

scholarly journals V2O3/C composite fabricated by carboxylic acid-assisted sol–gel synthesis as anode material for lithium-ion batteries

2021 ◽  
Author(s):  
G. S. Zakharova ◽  
E. Thauer ◽  
A. N. Enyashin ◽  
L. F. Deeg ◽  
Q. Zhu ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Sol Gel ◽  
Carbon Sources ◽  
Lithium Ion ◽  
X Ray Diffraction ◽  
Electron Microscopies ◽  
Transmission Electron ◽  
Battery Electrode ◽  
Sol Gel Synthesis

AbstractThe potential battery electrode material V2O3/C has been prepared using a sol–gel thermolysis technique, employing vanadyl hydroxide as precursor and different organic acids as both chelating agents and carbon sources. Composition and morphology of resultant materials were characterized by X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopies, physical sorption, and elemental analysis. Stability and electronic properties of model composites with chemically and physically integrated carbon were studied by means of quantum-chemical calculations. All fabricated composites are hierarchically structured and consist of carbon-covered microparticles assembled of polyhedral V2O3 nanograins with intrusions of amorphous carbon at the grain boundaries. Such V2O3/C phase separation is thermodynamically favored while formation of vanadium (oxy)carbides or heavily doped V2O3 is highly unlikely. When used as anode for lithium-ion batteries, the nanocomposite V2O3/C fabricated with citric acid exhibits superior electrochemical performance with an excellent cycle stability and a specific charge capacity of 335 mAh g−1 in cycle 95 at 100 mA g−1. We also find that the used carbon source has only minor effects on the materials’ electrochemical performance.

Two-dimensional hybrid nanosheets of few layered MoSe2 on reduced graphene oxide as anodes for long-cycle-life lithium-ion batteries

2016 ◽  
Vol 4 (40) ◽  
pp. 15302-15308 ◽  
Author(s):  
Zhigao Luo ◽  
Jiang Zhou ◽  
Lirong Wang ◽  
Guozhao Fang ◽  
Anqiang Pan ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Reduced Graphene Oxide ◽  
Lithium Ion ◽  
Cycle Life ◽  
Two Dimensional ◽  
Long Cycle Life ◽  
Excellent Electrochemical Performance ◽  
Reduced Graphene

We report the synthesis of a novel 2D hybrid nanosheet constructed by few layered MoSe2 grown on reduced graphene oxide (rGO), which exhibits excellent electrochemical performance as anodes for lithium ion batteries.

MIL-88A@polyoxometalate microrods as an advanced anode for high-performance lithium ion batteries

CrystEngComm ◽  
2020 ◽  
Vol 22 (21) ◽  
pp. 3588-3597 ◽  
Author(s):  
Xiangchen Zhao ◽  
Guiling Niu ◽  
Hongxun Yang ◽  
Jiaojiao Ma ◽  
Mengfei Sun ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Hydrothermal Method ◽  
High Performance ◽  
Storage Capacity ◽  
Lithium Ion ◽  
Cycling Stability ◽  
Rate Performance ◽  
Lithium Storage ◽  
One Step

New MIL-88A@polyoxometalates microrods have been constructed via a simple one-step hydrothermal method, exhibiting the improved lithium storage capacity, rate performance and cycling stability.

Sol–gel synthesis and electrochemical performance of Li4Ti5O12/graphene composite anode for lithium-ion batteries

2011 ◽  
Vol 509 (26) ◽  
pp. 7205-7209 ◽  
Author(s):  
Hongfa Xiang ◽  
Bingbing Tian ◽  
Peichao Lian ◽  
Zhong Li ◽  
Haihui Wang
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Sol Gel ◽  
Lithium Ion ◽  
Composite Anode ◽  
Graphene Composite ◽  
Sol Gel Synthesis

A Facile One-Pot Stepwise Hydrothermal Method for the Synthesis of 3D MoS2/RGO Composites with Improved Lithium Storage Properties

NANO ◽  
2019 ◽  
Vol 14 (03) ◽  
pp. 1950037 ◽  
Author(s):  
Bingning Wang ◽  
Xuehua Liu ◽  
Binghui Xu ◽  
Yanhui Li ◽  
Dan Xiu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Electrochemical Performance ◽  
Hydrothermal Method ◽  
Hydrothermal Treatment ◽  
Active Material ◽  
Rate Capability ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Lithium Storage ◽  
One Pot

Three-dimensional reduced graphene oxide (RGO) matrix decorated with nanoflowers of layered MoS2 (denoted as 3D MoS2/RGO) have been synthesized via a facile one-pot stepwise hydrothermal method. Graphene oxide (GO) is used as precursor of RGO and a 3D GO network is formed in the first-step of hydrothermal treatment. At the second stage of hydrothermal treatment, nanoflowers of layered MoS2 form and anchor on the surface of previously formed 3D RGO network. In this preparation, thiourea not only induces the formation of the 3D architecture at a relatively low temperature, but also works as sulfur precursor of MoS2. The synthesized composites have been investigated with XRD, SEM, TEM, Raman spectra, TGA, N2 sorption technique and electrochemical measurements. In comparison with normal MoS2/RGO composites, the 3D MoS2/RGO composite shows improved electrochemical performance as anode material for lithium-ion batteries. A high reversible capacity of 930[Formula: see text]mAh[Formula: see text][Formula: see text][Formula: see text]g[Formula: see text] after 130 cycles under a current density of 200[Formula: see text]mA[Formula: see text][Formula: see text][Formula: see text]g[Formula: see text] as well as good rate capability and superior cyclic stability have been observed. The superior electrochemical performance of the 3D MoS2/RGO composite as anode active material for lithium-ion battery is ascribed to its robust 3D structures, enhanced surface area and the synergistic effect between graphene matrix and the MoS2 nanoflowers subunit.

A metal–organic-framework approach to engineer hollow bimetal oxide microspheres towards enhanced electrochemical performances of lithium storage

2019 ◽  
Vol 48 (6) ◽  
pp. 2019-2027 ◽  
Author(s):  
Weiwei Sun ◽  
Si Chen ◽  
Yong Wang
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Metal Organic Framework ◽  
Hollow Microsphere ◽  
Lithium Ion ◽  
Electrochemical Performances ◽  
Lithium Storage ◽  
Excellent Electrochemical Performance ◽  
Framework Approach ◽  
Metal Organic

A MOF-derived approach is used to fabricate a Fe–Mn–O/C hollow microsphere anode, which delivers excellent electrochemical performance for lithium-ion batteries.

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