Structure reinforced birnessite with an extended potential window for supercapacitors

2020 ◽  
Vol 8 (18) ◽  
pp. 8969-8978 ◽  
Author(s):  
Yang Zhao ◽  
Qin Fang ◽  
Xiaohui Zhu ◽  
Liang Xue ◽  
Mingzhu Ni ◽  
...  
Keyword(s):  
Cycle Life ◽  
Rate Performance ◽  
Large Capacitance ◽  
Cr Doping

Structure reinforced birnessite via Cr doping exhibits large capacitance, good rate performance, and outstanding cycle life in an extended potential window.

Ultra‐long cycle life and high rate performance subglobose Na 3 V 2 ( PO 4 ) 2 F 3 @C cathode and its regulation

2020 ◽  
Vol 44 (8) ◽  
pp. 6608-6622 ◽  
Author(s):  
Wen‐xing Zhan ◽  
Chang‐ling Fan ◽  
Wei‐hua Zhang ◽  
Guo‐dong Yi ◽  
Han Chen ◽  
...  
Keyword(s):  
Cycle Life ◽  
High Rate ◽  
Rate Performance ◽  
Long Cycle ◽  
Long Cycle Life ◽  
High Rate Performance

Bismuthene from sonoelectrochemistry as a superior anode for potassium-ion batteries

2020 ◽  
Vol 8 (1) ◽  
pp. 453-460 ◽  
Author(s):  
Chao Shen ◽  
Tianle Cheng ◽  
Chunyan Liu ◽  
Lu Huang ◽  
Mengyang Cao ◽  
...  
Keyword(s):  
Force Field ◽  
External Force ◽  
Potassium Ion ◽  
Cycle Life ◽  
High Rate ◽  
Rate Performance ◽  
Electrochemical Exfoliation ◽  
Long Cycle Life ◽  
External Force Field ◽  
High Rate Performance

An external force field-assisted electrochemical exfoliation method was adopted to produce few-layered bismuthene nanosheets (FBNs). These FBNs exhibited a high rate performance and ultra-long cycle life for KIBs anode.

A novel nanosphere-in-nanotube iron phosphide Li-ion battery anode displaying a long cycle life, recoverable rate-performance, and temperature tolerance

Nanoscale ◽  
2021 ◽  
Vol 13 (37) ◽  
pp. 15624-15630
Author(s):  
Jinyun Liu ◽  
Ting Zhou ◽  
Yan Wang ◽  
Tianli Han ◽  
Chaoquan Hu ◽  
...  
Keyword(s):  
Temperature Tolerance ◽  
Cycle Life ◽  
Rate Performance ◽  
Li Ion Batteries ◽  
Li Ion Battery ◽  
Iron Phosphide ◽  
One Dimensional ◽  
Long Cycle Life ◽  
Li Ion ◽  
Battery Anode

A novel nanosphere-confined one-dimensional yolk–shell anode is developed for Li-ion batteries.

scholarly journals High-Rate Performance and Ultralong Cycle Life Enabled by Hybrid Organic-Inorganic Vanadyl Ethylene Glycolate for Lithium-Ion Batteries

2018 ◽  
Vol 8 (33) ◽  
pp. 1801978 ◽  
Author(s):  
Xinran Wang ◽  
Xuanxuan Bi ◽  
Shili Zheng ◽  
Shaona Wang ◽  
Yi Zhang ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Lithium Ion ◽  
Cycle Life ◽  
High Rate ◽  
Rate Performance ◽  
High Rate Performance

F-doped Li1.15Ni0.275Ru0.575O2 cathode materials with long cycle life and improved rate performance

2019 ◽  
Vol 326 ◽  
pp. 135015 ◽  
Author(s):  
Sojeong Choi ◽  
Min-Cheol Kim ◽  
Sang-Hyun Moon ◽  
Hyeona Kim ◽  
Kyung-Won Park
Keyword(s):  
Cathode Materials ◽  
Cycle Life ◽  
Rate Performance ◽  
Long Cycle ◽  
Long Cycle Life

scholarly journals In situ lithiated ALD niobium oxide for improved long term cycling of layered oxide cathodes: A thin-film model study

2021 ◽  
Author(s):  
Abdessalem Aribia ◽  
Jordi Sastre ◽  
Xubin Chen ◽  
Evgeniia Gilshtein ◽  
Ayodhya N. Tiwari ◽  
...  
Keyword(s):  
Thin Film ◽  
Niobium Oxide ◽  
Cycle Life ◽  
Rate Performance ◽  
Film Model ◽  
Thin Film Model ◽  
Oxide Cathodes ◽  
Layered Oxide Cathodes ◽  
Initial Capacity

<p>Protective coatings applied to cathodes help to overcome interface stability issues and extend the cycle life of Li-ion batteries. However, within 3D cathode composites it is difficult to isolate the effect of the coating because of the additives and non-ideal interfaces. In this study we investigate niobium oxide (NbO<sub>x</sub>) as cathode coating in a thin-film model system, which provides simple access to the cathode-coating-electrolyte interface. The conformal NbO<sub>x</sub> coating was applied by atomic layer deposition (ALD) onto thin-film LiCoO<sub>2</sub> cathodes. The cathode/coating stacks were annealed to lithiate the NbO<sub>x</sub> and ensure sufficient ionic conductivity. A range of different coating thicknesses were investigated to improve the electrochemical cycling with respect to the uncoated cathode. At a NbO<sub>x</sub> thickness of 30 nm, the cells retained 80% of the initial capacity after 493 cycles at 10 C, more than doubling the cycle life of the uncoated cathode film. At the same thickness, the coating also showed a positive impact on the rate performance of the cathode: 47% of the initial capacity was accessible even at ultrahigh charge-discharge rates of 100 C. Using impedance spectroscopy measurements, we found that the enhanced performance is due to suppressed interfacial resistance growth during cycling. Elemental analysis using TOF-SIMS and XPS further revealed a bulk and surface contribution of the NbO<sub>x</sub> coating. These results show that in situ lithiated ALD NbO<sub>x</sub> can significantly improve the performance of layered oxide cathodes by enhancing interfacial charge transfer and inhibiting surface degradation of the cathode, resulting in better rate performance and cycle life.</p>

Bi/C Nanosheet Microspheres with Open Pore Structure as Anodes for Sodium Ion Batteries with High Capacity, Excellent Rate Performance and Long Cycle Life

2021 ◽  
Author(s):  
Ying Li ◽  
Xia Zhong ◽  
Xianwen Wu ◽  
Mingqi Li ◽  
Wei Zhang ◽  
...  
Keyword(s):  
Pore Structure ◽  
Anode Materials ◽  
High Performance ◽  
Low Cost ◽  
High Capacity ◽  
Cycle Life ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Rate Performance ◽  
Long Cycle Life

To develop high-performance and low-cost anode materials for sodium ion batteries, novel Bi/C nanosheet microspheres with open pore structure (labeled as ops-Bi/C nanosheet microspheres), in which nanosheets are assembled from...

Facile synthesis of micro-spherical LiMn0.7Fe0.3PO4/C cathodes with advanced cycle life and rate performance for lithium-ion battery

2017 ◽  
Vol 43 (6) ◽  
pp. 4821-4830 ◽  
Author(s):  
Li Yang ◽  
Yan Wang ◽  
Jinhua Wu ◽  
Mingwu Xiang ◽  
Jianlong Li ◽  
...  
Keyword(s):  
Lithium Ion Battery ◽  
Lithium Ion ◽  
Cycle Life ◽  
Rate Performance ◽  
Facile Synthesis

Carbon fibers as three-dimensional current collectors for silicon/reduced graphene oxide lithium ion battery anodes with improved rate performance and cycle life

2018 ◽  
Vol 42 (11) ◽  
pp. 9058-9064 ◽  
Author(s):  
Chun-Han Hsu ◽  
Heng-Han Lin ◽  
Yi-Hung Liu ◽  
Hong-Ping Lin
Keyword(s):  
Graphene Oxide ◽  
Lithium Ion Battery ◽  
Reduced Graphene Oxide ◽  
Carbon Fibers ◽  
Three Dimensional ◽  
Lithium Ion ◽  
Cycle Life ◽  
Rate Performance ◽  
Current Collectors ◽  
Reduced Graphene

Carbon fibers as 3D current collectors for Si/r-GO lithium ion battery anodes with improved rate performance were achieved.

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