研究目的
Investigating the effect of different weight percent of calcium nitrate, Ca(NO3)2 (CN) salt into biopolymer of Methylcellulose (MC) on its optical, structural, and electrical properties.
研究成果
The incorporation of CN salt into MC biopolymer increases its conductivity, with the highest conductivity observed at 25 wt% CN. The study confirms the complexation between MC and CN through FTIR and XRD analyses, indicating an amorphous phase and the potential for application in electrochemical devices.
研究不足
The study is limited to the characterization of MC-CN biopolymer electrolytes within the specified CN salt concentrations (5 to 25 wt%) and does not explore the performance in specific electrochemical devices.
1：Experimental Design and Method Selection:
The study used casting technique to prepare MC-CN solid biopolymer electrolyte films with CN salt concentrations between 5 to 25 wt%.
2：Sample Selection and Data Sources:
MC from Sigma Aldrich and CN salt from Merck KGaA were used.
3：List of Experimental Equipment and Materials:
Thermo Nicolet Avatar 380 FT-IR spectrometer for FTIR analysis, MiniFlex II diffractometer for XRD study, and Hioki 3532-50 LCR Hi-Tester for EIS analysis.
4：Experimental Procedures and Operational Workflow:
The samples were prepared by dissolving MC in distilled water, adding CN salt, stirring until homogeneous, casting into films, and analyzing with FTIR, XRD, and EIS.
5：Data Analysis Methods:
Conductivity was calculated from EIS data using the bulk resistance obtained from Nyquist plots.
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