Superior performance of flexible solid-state supercapacitors enabled by ultrafine graphene quantum dot-decorated porous carbon spheres

2020 ◽  
Vol 44 (32) ◽  
pp. 13591-13597
Author(s):  
Yalei Deng ◽  
Yajun Ji ◽  
Fei Chen ◽  
Fuyong Ren ◽  
Shufen Tan
Keyword(s):  
Solid State ◽  
Quantum Dot ◽  
Porous Carbon ◽  
Superior Performance ◽  
Carbon Spheres ◽  
Graphene Quantum Dot ◽  
Green Route ◽  
Porous Carbon Spheres

Graphene quantum dot-decorated porous carbon spheres were synthesized via a facile and green route in this study.

Ultrafine Pt–Ni nanoparticles in hollow porous carbon spheres for remarkable oxygen reduction reaction catalysis

2021 ◽  
Author(s):  
Xian-Kai Wan ◽  
Gabor Samjeské ◽  
Hirosuke Matsui ◽  
Chaoqi Chen ◽  
Satoshi Muratsugu ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Porous Carbon ◽  
Reduction Reaction ◽  
Ni Nanoparticles ◽  
Carbon Spheres ◽  
Oxygen Reduction Reaction Activity ◽  
Porous Carbon Spheres

Small-sized Pt–Ni nanoparticles were synthesized into hollow porous carbon spheres (HPCS) under molecule assistance. Pt–Ni nanoparticle/HPCS prepared in presence of 2,2′-Dipyridylamine showed excellent oxygen reduction reaction activity/durability.

An interfacial self-assembly strategy to fabricate graphitic hollow porous carbon spheres for supercapacitor electrodes

Carbon ◽  
2021 ◽  
Vol 182 ◽  
pp. 860
Author(s):  
Xiao-hua Zhang ◽  
Xin-yu Gan ◽  
Bao-sheng Liu ◽  
Xiao-yan Yan ◽  
Xin-xin Zhao
Keyword(s):  
Porous Carbon ◽  
Self Assembly ◽  
Carbon Spheres ◽  
Assembly Strategy ◽  
Porous Carbon Spheres

Nano-size porous carbon spheres as a high-capacity anode with high initial coulombic efficiency for potassium-ion batteries

2020 ◽  
Vol 5 (5) ◽  
pp. 895-903 ◽  
Author(s):  
Hehe Zhang ◽  
Chong Luo ◽  
Hanna He ◽  
Hong-Hui Wu ◽  
Li Zhang ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Porous Carbon ◽  
Coulombic Efficiency ◽  
High Capacity ◽  
Potassium Ion ◽  
Carbon Spheres ◽  
Hard Carbon ◽  
Porous Carbon Spheres ◽  
Nano Size ◽  
Initial Coulombic Efficiency

An anode of hard carbon spheres with both small size and a porous structure enables superior electrochemical performance of potassium-ion batteries.

Porous carbon spheres and monoliths: morphology control, pore size tuning and their applications as Li-ion battery anode materials

2014 ◽  
Vol 43 (13) ◽  
pp. 4341-4356 ◽  
Author(s):  
Aled D. Roberts ◽  
Xu Li ◽  
Haifei Zhang
Keyword(s):  
Pore Size ◽  
Porous Carbon ◽  
Anode Materials ◽  
Morphology Control ◽  
Li Ion Battery ◽  
Carbon Spheres ◽  
Li Ion ◽  
Improved Performance ◽  
Porous Carbon Spheres ◽  
Battery Anode

Various synthetic techniques are employed to fabricate porous carbon spheres and monoliths for improved performance as Li-ion battery anode materials.

ZnO/Graphene Quantum Dot Solid-State Solar Cell

2012 ◽  
Vol 116 (38) ◽  
pp. 20127-20131 ◽  
Author(s):  
Mrinal Dutta ◽  
Sanjit Sarkar ◽  
Tushar Ghosh ◽  
Durga Basak
Keyword(s):  
Solar Cell ◽  
Solid State ◽  
Quantum Dot ◽  
Graphene Quantum Dot
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