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Lihuan Xu,Jiaojiao Ma,Pengju Guo,Chang Su 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.9
Prussian-blue type FeFe(CN)6 nanocrystals with perfect nanocubic morphology were prepared by a facile hydrolytic precipitation method using Fe(CN)3- 6 as a single iron-source. The resulting FeFe(CN)6 nanocrystals have subsequently been encapsulated within a mixed electronically and ionically conducting polystyrene sulfonic acid (PSS)-doped poly(3,4-ethylenedioxythiophene) (PEDOT) (PEDOT-PSS) with ethylene glycol (EG) as the polar solvent to obtain a high electrical conducting organic–inorganic nanohybrid. The FeFe(CN)6/PEDOT-PSS nanohybrid offers discharge capacity of 106.3 mAh · g -1, which is improved compared to that of the naked FeFe(CN)6(94.4 mAh · g -1). Also, it demonstrated the improved capacity retention and rate capability, which makes it a promising way for high performance Li-ion batteries for energy storage application.
Yufeng Wang,Lihuan Mo,Kefu Chen,Jun Li,Jun Xu 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.2
A coagulation–flocculation process was used to treat papermaking-reconstituted tobacco slicewastewater with polyaluminium chloride (PAC) as coagulant and a cationic polyacrylamide (CPAM)as flocculant. To maximize the reduction of chemical oxygen demand (COD) and color, the jar tests werecarried out in the experiments and response surface methodology (RSM) was applied to optimize theprocess. A central composite design, i.e., a standard approach in RSM, was used to evaluate the effectsand interactions of three factors, i.e. PAC dosage, CPAM dosage and pH on the treatment efficiency. Results revealed that the maximum reduction of COD and color could be achieved at an optimalconditions, i.e., PAC = 715 mg/L, CPAM = 4.8 mg/L and pH = 6.6, from which the reduction of COD andcolor were 67.8% and 77.7%, respectively. The study also showed that the regression equations could beused as the theoretical basis for coagulation–flocculation process of papermaking-reconstituted tobaccoslice wastewater. They will be very helpful to flexibly select the appropriate process parameters in theengineering applications