A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 623-33-6, Name is H-Gly-OEt.HCl, molecular formula is C4H10ClNO2. In an article, author is Milewski, Tyler M.,once mentioned of 623-33-6, COA of Formula: C4H10ClNO2.
Highly Conductive Ionic Liquid Electrolytes for Potassium-Ion Batteries
Potassium-ion batteries (K-ion batteries; KIBs) are attractive as high-voltage, low-cost energy storage devices. Ionic liquids (ILs) are potential candidates as safe and high-performance electrolytes for large-scale devices. Imidazolium-based ILs are known to possess high ionic conductivities and moderate electrochemical stabilities. In this study, we report the physicochemical and electrochemical properties of K[FSA]- [C(2)C(1)im][FSA] (FSA = bis(fluorosulfonyl)amide; C(2)C(1)im = 1-ethyl-3-methylimidazolium) ILs as new electrolytes for KIBs. A phase diagram constructed from differential scanning calorimetry results indicates that the melting point of this IL is below 273 K at compositions of x(K[FSA]) = 0-0.20 (x(K[FSA]) = molar fraction of K[FSA]). The viscosity, ionic conductivity, and density of the IL were measured for x(K[FSA]) = 0-0.20. The ionic conductivity at x(K[FSA]) = 0.20 is 10.1 mS cm(-1) at 298 K, which is comparable to that of typical organic solvent-based KIB electrolytes and higher than that of other ionic liquid electrolytes for KIBs. The electrochemical stability of M[FSA]-[C2C1 im][FSA] (x(M[FSA]) = 0.20; M = K, Na, and Li) ILs was determined by cyclic voltammetry measurements. The K-based IL exhibits the widest electrochemical window of 5.19 V due to the negative redox potential of the K+/K couple. Thus, the K[FSA]-[C2C1 im][FSA] ionic liquid is expected to be a highly conductive KIB electrolyte.
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