Air-assisted activation strategy for porous carbon spheres to give enhanced electrochemical performance

RSC Advances ◽  
2016 ◽  
Vol 6 (19) ◽  
pp. 15313-15319 ◽  
Author(s):  
Huaqing Xuan ◽  
Yiliang Wang ◽  
Gaoxin Lin ◽  
Fan Wang ◽  
Lin Zhou ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Porous Carbon ◽  
Formaldehyde Resin ◽  
Carbon Spheres ◽  
Resorcinol Formaldehyde ◽  
Pore Structures ◽  
Porous Carbon Spheres ◽  
Enhanced Electrochemical Performance

Porous carbon spheres showing excellent pore structures and superior electrochemical performance were obtained from a resorcinol–formaldehyde resin by an air-assisted activation strategy.

Preparation and enhanced supercapacitance performance of porous carbon spheres with a high degree of graphitization

RSC Advances ◽  
2015 ◽  
Vol 5 (3) ◽  
pp. 2088-2095 ◽  
Author(s):  
Binbin Chang ◽  
Baocheng Yang ◽  
Yanzhen Guo ◽  
Yiliang Wang ◽  
Xiaoping Dong
Keyword(s):  
Porous Carbon ◽  
Formaldehyde Resin ◽  
Carbon Spheres ◽  
Resorcinol Formaldehyde ◽  
Porous Carbon Spheres ◽  
High Degree ◽  
Degree Of Graphitization

This paper describes the preparation of graphitic porous carbon spheres (GPCS) from spherical resorcinol/formaldehyde resin by Fe-catalysis at 900 °C.

Resorcinol–formaldehyde resin-based porous carbon spheres with high CO2 capture capacities

2017 ◽  
Vol 26 (5) ◽  
pp. 1007-1013 ◽  
Author(s):  
Xuan Wang ◽  
Jin Zhou ◽  
Wei Xing ◽  
Boyu Liu ◽  
Jianlin Zhang ◽  
...  
Keyword(s):  
Co2 Capture ◽  
Porous Carbon ◽  
Formaldehyde Resin ◽  
Carbon Spheres ◽  
Resorcinol Formaldehyde ◽  
High Co2 ◽  
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.

N and S co-doped porous carbon spheres prepared using l-cysteine as a dual functional agent for high-performance lithium–sulfur batteries

2015 ◽  
Vol 51 (100) ◽  
pp. 17720-17723 ◽  
Author(s):  
Shuzhang Niu ◽  
Wei Lv ◽  
Guangmin Zhou ◽  
Yanbing He ◽  
Baohua Li ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Porous Carbon ◽  
High Performance ◽  
Carbon Microspheres ◽  
Carbon Spheres ◽  
Dual Functional ◽  
Lithium Sulfur Batteries ◽  
Porous Carbon Spheres ◽  
Co Doped ◽  
Lithium Sulfur

N and S co-doped porous carbon microspheres (NS-PCSs) prepared by using a dual functional agent, l-cysteine, show outstanding electrochemical performance in lithium sulfur batteries.

Novel nitrogen-rich porous carbon spheres as a high-performance anode material for lithium-ion batteries

2014 ◽  
Vol 2 (39) ◽  
pp. 16617-16622 ◽  
Author(s):  
Dongdong Li ◽  
Liang-Xin Ding ◽  
Hongbin Chen ◽  
Suqing Wang ◽  
Zhong Li ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Lithium Ion Batteries ◽  
Anode Material ◽  
Porous Carbon ◽  
Self Assembly ◽  
High Performance ◽  
Lithium Ion ◽  
Carbon Spheres ◽  
Assembly Method ◽  
Porous Carbon Spheres

Novel nitrogen-rich porous carbon spheres with appropriate pores distribution are proposed and prepared by using a template-assisted self-assembly method, and exhibit superior electrochemical performance and show promise as the anode material for LIBs.

scholarly journals Nitrogen–sulfur dual-doped porous carbon spheres/sulfur composites for high-performance lithium–sulfur batteries

RSC Advances ◽  
2019 ◽  
Vol 9 (29) ◽  
pp. 16571-16577 ◽  
Author(s):  
Liping Zhao ◽  
Gang Liu ◽  
Peng Zhang ◽  
Liqun Sun ◽  
Lina Cong ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Porous Carbon ◽  
High Performance ◽  
Positive Electrode ◽  
Carbon Spheres ◽  
Excellent Electrochemical Performance ◽  
Lithium Sulfur Batteries ◽  
Porous Carbon Spheres ◽  
Lithium Sulfur

Simultaneously introduced nitrogen–sulfur through one reagent. The as-prepared PCS-NS/S composites exhibited excellent electrochemical performance as positive electrode for Li–S battery.

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.

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