西安工程大学学报2024，Vol.38Issue(2)：68-74,7.DOI:10.13338/j.issn.1674-649x.2024.02.009
(NH4)2S2O8/AC电极制备及其电吸附性能
Preparation and electrosorption performance of(NH4)2S2O8/AC electrode
摘要
Abstract
In order to prepare activated carbon electrodes with better electrochemical performance,modified activated carbon(APS-AC)was obtained by impregnation with(NH4)2S2O8.The better conductive agents in graphene microsheets,conductive carbon black,and carbon nanotubes were screened through EST tech-nology to prepare APS-AC electrodes with better electrochemical performance.We compared the electro-chemical performance of APS-AC through testing methods such as CV,EIS,GCD,and CA,and analyzed the electro adsorption performance and adsorption law in combination with adsorption kinetics.The results showed that the APS-AC electrode prepared with conductive carbon black had better performance,with a specific capacitance of 275.208 F/g.Through characterization,it was found that the contact angle of the APS-AC electrode decreased and the hydrophilicity improved.A longer charging and discharging cycle re-sults in better charging and discharging performance and charge storage capacity.The adsorption efficiency of different anions and cations in the solution varies,with ion removal rates being K+＞Na and Cl-＞SO4-.The adsorption process is more in line with quasi second order adsorption kinetics.关键词
活性炭/活性炭改性/电极制备/吸附动力学/电吸附性能Key words
activated carbon/activated carbon modification/electrode preparation/adsorption ki-netics/electrosorption properties分类
化学化工引用本文复制引用
裴盼盼,李海红,吴沁如..(NH4)2S2O8/AC电极制备及其电吸附性能[J].西安工程大学学报,2024,38(2):68-74,7.基金项目
陕西省科技厅社会发展项目(2020SF-435) （2020SF-435）
榆林市科技计划项目(CXY-2020-054) （CXY-2020-054）
