In 2019,Journal of Applied Polymer Science included an article by Huo, Pengfei; Xun, Zhiyu; Ni, Shoupeng; Liu, Yang; Wang, Guibin; Gu, Jiyou. COA of Formula: C4H6N2. The article was titled 《Crosslinked quaternized poly(arylene ether sulfone) copolymer membrane applied in an electric double-layer capacitor for high energy density》. The information in the text is summarized as follows:
The low energy d. of supercapacitors, especially supercapacitors based on aqueous electrolytes, is the main factor limiting their application, and the energy d. is closely related to the operating potential window of the supercapacitor. The polymer electrolyte is the main contributor to the safe operation and good ion conductivity of the supercapacitor. In this study, a crosslinked quaternized poly(arylene ether sulfone) (PAES) membrane was prepared via crosslinking during membrane formation with a thermal-only treatment and applied in an elec. double-layer capacitor (EDLC). The pre-prepared PAES membrane formed a polymer electrolyte with 1 mol/L Li2SO4 and was then fabricated into an EDLC single cell. The properties of both the membrane and ELDC were investigated. The preferred cPAES-N-0.2 polymer electrolyte showed an ionic conductivity of 1.18 mS/cm. The optimized EDLC exhibited a single-electrode gravimetric capacitance of 104.92 F/g at a c.d. of 1.0 A/g and a high operating potential window (1.5 V); it, thereby, achieved a high energy d. of 8.20 W h/kg. The EDLC also exhibited excellent cycling properties over 3000 charge-discharge cycles. The crosslinked structures promoted the tensile strength and thermal stability of the PAES membranes; this was accompanied by a slight decrease in the ionic conductivity In the part of experimental materials, we found many familiar compounds, such as 1-Methyl-1H-imidazole(cas: 616-47-7COA of Formula: C4H6N2)
1-Methyl-1H-imidazole(cas: 616-47-7) is actively involved in removing acid during the production of diethoxyphenylphosphine. It is used as an intermediate in organic synthesis.COA of Formula: C4H6N2
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem