scholarly journals Effects of Pore Widening vs Oxygenation on Capacitance of Activated Carbon in Aqueous Sodium Sulfate Electrolyte

2020 ◽  
Vol 167 (4) ◽  
pp. 040524
Author(s):  
Lixing Zhang ◽  
Yuqin Chi ◽  
Zhen Li ◽  
Xiaolei Sun ◽  
Huazhi Gu ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Sodium Sulfate ◽  
Sulfate Electrolyte ◽  
Aqueous Sodium ◽  
Pore Widening

Development and characterization of aqueous sodium-ion hybrid supercapacitor based on NaTi2(PO4)3//activated carbon

2017 ◽  
Vol 729 ◽  
pp. 850-857 ◽  
Author(s):  
Shuming Zhang ◽  
Yu Liu ◽  
Qi Han ◽  
Shiyang He ◽  
Na Zhang ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Sodium Ion ◽  
Hybrid Supercapacitor ◽  
Aqueous Sodium

scholarly journals Coal-Based Activated Carbons for the Removal of Sulphur Dioxide via Adsorption

1997 ◽  
Vol 15 (10) ◽  
pp. 803-814 ◽  
Author(s):  
A.M. Youssef ◽  
M.R. Mostafa ◽  
E.M. Dorgham
Keyword(s):  
Activated Carbon ◽  
Low Temperature ◽  
Zinc Chloride ◽  
Sulphur Dioxide ◽  
Activated Carbons ◽  
Textural Properties ◽  
Nitrogen Adsorption ◽  
Carbon Surface ◽  
Steam Activation ◽  
Pore Widening

Zinc chloride-activated carbons and steam-activated carbons were prepared from Maghara coal. The textural properties were determined from low-temperature nitrogen adsorption. Zinc chloride activation is usually associated with the creation of new micropores while steam activation involves pore widening particularly when the percentage burn-off is high. The adsorption of SO2 on steam-activated carbon is high compared with ZnCl2-activated carbons. Steam activation develops surface basic groups which provide chemisorption sites for SO2. The adsorption of SO2 is enhanced in the presence of O2 and water vapour and involves the formation of sulphuric acid in this case. Sulphur dioxide adsorption is related to the chemistry of the carbon surface rather than to the extent of the surface area of the activated carbon.

Sign in / Sign up

Export Citation Format

Share Document