Binder‐free preparation of bimetallic oxide vertical nanosheet arrays toward high‐rate performance and energy density supercapacitors

2021 ◽  
Author(s):  
Shaik Junied Arbaz ◽  
S. Chandra Sekhar ◽  
Bhimanaboina Ramulu ◽  
Jae Su Yu
Keyword(s):  
Energy Density ◽  
High Rate ◽  
Rate Performance ◽  
Nanosheet Arrays ◽  
Binder Free ◽  
High Rate Performance

scholarly journals Monodispersed LiFePO4@C Core-Shell Nanoparticles Anchored on 3D Carbon Cloth for High-Rate Performance Binder-Free Lithium Ion Battery Cathode

2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Boqiao Li ◽  
Wei Zhao ◽  
Chen Zhang ◽  
Zhe Yang ◽  
Fei Dang ◽  
...  
Keyword(s):  
Lithium Ion Battery ◽  
Lithium Ion ◽  
Current Collector ◽  
High Rate ◽  
Core Shell ◽  
Carbon Cloth ◽  
Rate Performance ◽  
Active Materials ◽  
Binder Free ◽  
High Rate Performance

Owing to high safety, low cost, nontoxicity, and environment-friendly features, LiFePO4 that is served as the lithium ion battery cathode has attracted much attention. In this paper, a novel 3D LiFePO4@C core-shell configuration anchored on carbon cloth is synthesized by a facile impregnation sol-gel approach. Through the binder-free structure, the active materials can be directly combined with the current collector to avoid the falling of active materials and achieve the high-efficiency lithium ion and electron transfer. The traditional slurry-casting technique is applicable for pasting LiFePO4@C powders onto the 2D aluminum foil current collector (LFP-Al). By contrast, LFP-CC exhibits a reversible specific capacity of 140 mAh·g-1 and 93.3 mAh·g-1 at 1C and 10C, respectively. After 500 cycles, no obvious capacity decay can be observed at 10C while keeping the coulombic efficiency above 98%. Because of its excellent capacity, high-rate performance, stable electrochemical performance, and good flexibility, this material has great potentials of developing the next-generation high-rate performance lithium ion battery and preparing the binder-free flexible cathode.

NiO nanorod array anchored Ni foam as a binder-free anode for high-rate lithium ion batteries

2014 ◽  
Vol 2 (47) ◽  
pp. 20022-20029 ◽  
Author(s):  
Wanfeng Yang ◽  
Guanhua Cheng ◽  
Chaoqun Dong ◽  
Qingguo Bai ◽  
Xiaoting Chen ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Lithium Ion ◽  
Nanorod Array ◽  
High Rate ◽  
Rate Performance ◽  
Ni Foam ◽  
Binder Free ◽  
High Rate Performance

3D binder-free NiO nanorod-anchored Ni foam electrodes synthesized by in situ anodization and annealing exhibit superior cyclability and high rate performance.

Ni-Doped magnesium manganese oxide as a cathode and its application in aqueous magnesium-ion batteries with high rate performance

2020 ◽  
Vol 7 (11) ◽  
pp. 2168-2177 ◽  
Author(s):  
Hongyu Zhang ◽  
Dianxue Cao ◽  
Xue Bai
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
Storage Systems ◽  
High Energy ◽  
High Rate ◽  
High Energy Density ◽  
Magnesium Ion ◽  
Rate Performance ◽  
Magnesium Ion Batteries ◽  
High Rate Performance

Aqueous magnesium-ion batteries feature good safety and high energy density and represent promising energy storage systems.

A synergistic vertical graphene skeleton and S–C shell to construct high-performance TiNb2O7-based core/shell arrays

2018 ◽  
Vol 6 (41) ◽  
pp. 20195-20204 ◽  
Author(s):  
Shenghui Shen ◽  
Weihao Guo ◽  
Dong Xie ◽  
Yadong Wang ◽  
Shengjue Deng ◽  
...  
Keyword(s):  
High Temperature ◽  
High Temperatures ◽  
High Performance ◽  
High Rate ◽  
Core Shell ◽  
Rate Performance ◽  
Binder Free ◽  
High Rate Performance ◽  
Method Show

Binder-free VG/TiNb2O7@S–C electrodes prepared via a powerful solvothermal-electrodeposition (ST-ED) method show good high-rate performance (241 mA h g−1/70 °C at 160C) and long high-temperature lifespan (>5000 cycles) at medium–high temperatures.

Binder-free V2O5/CNT paper electrode for high rate performance zinc ion battery

Nanoscale ◽  
2019 ◽  
Vol 11 (42) ◽  
pp. 19723-19728 ◽  
Author(s):  
Bosi Yin ◽  
Siwen Zhang ◽  
Ke Ke ◽  
Ting Xiong ◽  
Yinming Wang ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Performance Enhancement ◽  
Zinc Ion ◽  
Cycling Stability ◽  
High Rate ◽  
Rate Performance ◽  
Binder Free ◽  
High Rate Performance ◽  
Composite Paper

This work reports a significant electrochemical performance enhancement (especially the rate performance and cycling stability) by adopting a freestanding V2O5/CNT composite paper (VCP) as the ZIB cathode.

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