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One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 93-04-9, Name is 2-Methoxynaphthalene, formurla is C11H10O. In a document, author is Li, Guoqiang, introducing its new discovery. Category: ethers-buliding-blocks.

Performance enhancement of gel polymer electrolytes using sulfonated poly(ether ether ketone) for supercapacitors

Gel polymer electrolytes (GPEs) with reasonable mechanical properties are highly favorable for flexible/stretchable solid-state supercapacitors. However, the widely explored poly(acrylic acid) (PAA)-based GPEs provide unsatisfactory mechanical performance. Herein, a useful strategy is adopted to improve the performance of PAA-based GPEs by incorporating sulfonated poly(ether ether ketone) (SPEEK) chains. The optimum SPEEK-enhanced PAA GPE shows an ionic conductivity of 100 +/- 1.57 mS cm(-1), ultimate tensile strength of 4.2 +/- 0.24 kPa and elongation at break of 858%, which are larger than those of the plain PAA GPE. A supercapacitor developed using such a SPEEK-enhanced GPE also delivers higher specific capacitance, larger energy density and comparable cycling stability compared to a supercapacitor using a PAA GPE. This work suggests that rigid ionic polymers are suitable for improving the performance of GPEs with inferior mechanical properties. (c) 2021 Society of Chemical Industry

I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 93-04-9 help many people in the next few years. Category: ethers-buliding-blocks.