scholarly journals High-efficient electromagnetic absorption and composites of carbon microspheres

2021 ◽  
Vol 130 (23) ◽  
pp. 230902
Author(s):  
Fengyuan Wang ◽  
Liru Cui ◽  
Honghong Zhao ◽  
Xijiang Han ◽  
Yunchen Du
Keyword(s):  
Carbon Microspheres ◽  
Electromagnetic Absorption ◽  
High Efficient

Preparation and Electromagnetic Absorption Performance of Ni-RGO

2016 ◽  
Vol 31 (6) ◽  
pp. 567 ◽  
Author(s):  
XU Shuang-Shuang ◽  
CHEN Gong ◽  
ZHANG Hai-Qin ◽  
CHEN Yuan ◽  
ZHAO Yan
Keyword(s):  
Electromagnetic Absorption ◽  
Absorption Performance

Development and Construction of Domestic High-Efficient Small-Capacity Power Equipmen

Vestnik MEI ◽  
2018 ◽  
Vol 6 (6) ◽  
pp. 33-42
Author(s):  
Pavel V. Roslyakov ◽  
◽  
Bronislav G. Grisha ◽  
Igor L. Ionkin ◽  
Mikhail N. Zaichenko ◽  
...  
Keyword(s):  
High Efficient ◽  
Small Capacity

Ultrathin Carbon Nanosheets for Highly-efficient Capacitive K-ion and Zn-ion Storage

2020 ◽  
Author(s):  
Yamin Zhang ◽  
Zhongpu Wang ◽  
Deping Li ◽  
Qing Sun ◽  
Kangrong Lai ◽  
...  
Keyword(s):  
Energy Storage ◽  
Porous Carbon ◽  
Metal Ion ◽  
Rate Capability ◽  
Energy Storage Devices ◽  
Capacity Retention ◽  
Carbon Nanosheets ◽  
Storage Devices ◽  
High Efficient ◽  
Ion Storage

<p></p><p>Porous carbon has attracted extensive attentions as the electrode material for various energy storage devices considering its advantages like high theoretical capacitance/capacity, high conductivity, low cost and earth abundant inherence. However, there still exists some disadvantages limiting its further applications, such as the tedious fabrication process, limited metal-ion transport kinetics and undesired structure deformation at harsh electrochemical conditions. Herein, we report a facile strategy, with calcium gluconate firstly reported as the carbon source, to fabricate ultrathin porous carbon nanosheets. <a>The as-prepared Ca-900 electrode delivers excellent K-ion storage performance including high reversible capacity (430.7 mAh g<sup>-1</sup>), superior rate capability (154.8 mAh g<sup>-1</sup> at an ultrahigh current density of 5.0 A g<sup>-1</sup>) and ultra-stable long-term cycling stability (a high capacity retention ratio of ~81.2% after 4000 cycles at 1.0 A g<sup>-1</sup>). </a>Similarly, when being applied in Zn-ion capacitors, the Ca-900 electrode also exhibits an ultra-stable cycling performance with ~90.9% capacity retention after 4000 cycles at 1.0 A g<sup>-1</sup>, illuminating the applicable potentials. Moreover, the origin of the fast and smooth metal-ion storage is also revealed by carefully designed consecutive CV measurements. Overall, considering the facile preparation strategy, unique structure, application flexibility and in-depth mechanism investigations, this work will deepen the fundamental understandings and boost the commercialization of high-efficient energy storage devices like potassium-ion/sodium-ion batteries, zinc-ion batteries/capacitors and aluminum-ion batteries.</p><br><p></p>

Doped Metal Oxide Nanocrystals for Solution-Processed Hole Extraction Layers in High Efficient Organic Solar Cells

2018 ◽  
Author(s):  
Riva Alkarsifi ◽  
Florent Pourcin ◽  
Pavlo Perkhun ◽  
Mats Fahlman ◽  
Christine Videlot-Ackermann ◽  
...  
Keyword(s):  
Solar Cells ◽  
Metal Oxide ◽  
Organic Solar Cells ◽  
Solution Processed ◽  
High Efficient
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