Alsudairi, Amell; Lajami, Amal; Kendrick, Ian; Mukerjee, Sanjeev; Abraham, K. M. published an article in 2019, the title of the article was Correlating ionic conductivity, oxygen transport and ORR with structure of dialkylacetamide-based electrolytes for lithium-air batteries.Category: amides-buliding-blocks And the article contains the following content:
Chem. structures of lithium and tetrabutylammonium (TBA) salt solutions in N,N-dimethylacetamide (DMAc) and N,N-diethylacetamide (DEAc), two high Donor Number organic solvents, were studied. In LiX salt solutions (where X = PF6-, CF3SO3-, ClO4- and NO3-), solvation occurs when the Li+ bonds with the solvent’s carbonyl group forming Li+[O=C(CH3)N(CH3)2]nX- ion pairs. IR and 13C-NMR spectra are consistent with the ion pair being solvent-separated when the anion is PF6-, ClO4- or NO3-, and a contact ion pair in the case of CF3SO3-. Chem. interactions between TBA+ and the solvents to form conducting solutions appeared to be dipolar in nature. Ionic conductivities of TBA+ and Li+ electrolytes were measured and correlated with their viscosities. In 0.1M TBAPF6/DMAc, the O2 solubility and diffusion coefficient (3.09 × 10-6 mol/cm-3 and 5.09 × 10-5 cm2s-1, resp.) measured using microelectrode technique are typical of values measured in several TBA+ solutions Microelectrode voltammetry revealed steady-state limiting current behavior for oxygen reduction reactions (ORR) in TBAX/DMAc electrolytes indicating a reversible ORR process. Conversely, microelectrode current-voltage data for ORR in LiX/DMAc electrolytes revealed irreversible behavior mainly ascribed to the blockage of the electrode surface by insoluble ORR products. The ORR in DMAc correlated with its high Donor Number and the overall process conformed to the Hard-Soft Acid-Base theory. The experimental process involved the reaction of N,N-Diethylacetamide(cas: 685-91-6).Category: amides-buliding-blocks
The Article related to ionic conductivity oxygen transport dialkylacetamide electrolyte lithium battery, Electrochemical, Radiational, and Thermal Energy Technology: Energy-Conversion Devices and Their Components and other aspects.Category: amides-buliding-blocks
Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics