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A Study on the Synthesis of Lithium Carbonate (Li2CO3) from Waste Acidic Sludge

100%

Choi D. H., Wang J. P., Choi D. H., Wang J. P.

SYNTHESIS AND CHARACTERIZATION OF CHITOSAN/SODIUM ALGINATE BLEND MEMBRANE FOR APPLICATION IN AN ELECTROCHEMICAL CAPACITOR

86%

Nowacki K., Galiński M., Stępniak I.

Progress on Chemistry and Application of Chitin and its Derivatives

2020

vol. 25

174 - 191

In this work, we report a stepwise formation method of a chitosan/sodium alginate polyelectrolyte complex (CS/SA PEC) membrane. The proposed method aiming at the utilization of the ultrasonic treatment of chitosan and sodium alginate solution allowed us to obtain a highly homogeneous hybrid membrane for electrochemical usage. The CS/SA PEC membrane saturated in a 2 M Li2SO4 aqueous solution was used in electrochemical double layer capacitor (EDLC) cell to study its applicability as quasi-solid electrolyte. Electrochemical characteristic of EDLC cells was determined by electrochemical impedance spectroscopy, cyclic voltammetry and galvanostatic charge/discharge methods. The results show that the EDLC cell with CS/SA PEC quasi-solid electrolyte exhibit a comparable specific capacitance (102 F g-1 for 0–0.8 V) to CS reference (100 F g-1 for 0–0.8 V) and commercial separator (99 F g-1 for 0–0.8 V) cells. Thus, the CS/SA PEC membrane can be considered as an alternative modification for chitosanbased materials of electrochemical purpose.

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1 Archives of Metallurgy and Materials

1 Progress on Chemistry and Application of Chitin and its Derivatives

2 2020

1 Choi D. H.

1 Galiński M.

1 Nowacki K.

1 Stępniak I.

1 Wang J. P.

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A Study on the Synthesis of Lithium Carbonate (Li2CO3) from Waste Acidic Sludge

SYNTHESIS AND CHARACTERIZATION OF CHITOSAN/SODIUM ALGINATE BLEND MEMBRANE FOR APPLICATION IN AN ELECTROCHEMICAL CAPACITOR