نتایج جستجو برای: molar conductivity

تعداد نتایج: 87314  

Journal: :The journal of physical chemistry. B 2006
Hongxia Wang Xizhe Liu Zhaoxiang Wang Hong Li Dongmei Li Qingbo Meng Liquan Chen

It was observed that the ionic conductivity of the solid-state electrolyte LiI/3-hydroxypropionitrile (HPN) = 1:4 (molar ratio) decreased dramatically with increasing iodine (I(2)) concentration, which differs from the conduction behavior of the Grotthuss transport mechanism observed in liquid or gel electrolytes. The short-circuit photocurrent density (J(sc)) of the dye-sensitized solar cell (...

Journal: :Electrochimica Acta 2021

Physicochemical and electrochemical properties of N,N,N-dimethylbutylammonium methanesulfonate, [DMBA][MS], ionic liquid (IL) have been determined, the potential application for recovery lead from lead-acid batteries is discussed. To optimise transport IL, dependences were measured conductivity, density viscosity with varying amounts excess acid water as a diluent in electrolyte mixture. Molar ...

Journal: :Materials advances 2022

Molecular configurations of the 1.0 mol dm −3 and 8.0 NaClO 4 aqueous electrolytes, shear viscosity ionic conductivity as a function molar molal concentrations solutions.

Journal: :The Journal of chemical physics 2009
Daniel Fragiadakis Shichen Dou Ralph H Colby James Runt

We investigate the segmental and local dynamics as well as the transport of Li(+) cations in a series of model poly(ethylene oxide)-based single-ion conductors with varying ion content, using dielectric relaxation spectroscopy. We observe a slowing down of segmental dynamics and an increase in glass transition temperature above a critical ion content, as well as the appearance of an additional ...

The density (d), speed of sound (u) and electrolytic conductivity (Λ) for systems containing acetaminophen, ionic liquid {1-octyl-3-methyl imidazolium bromide, [OMIm] Br} and water have been measured at T = 293.15-308.15 K. The measured data have been applied to calculate, standard partial molar volume ( ), Hepler’s constant , apparent molar isentropic compressibility...

Journal: :The Journal of chemical physics 2005
Steven J Pas Junhua Huang Maria Forsyth Douglas R MacFarlane Anita J Hill

In order to determine the role of defects (vacancies and extended lattice defects) in the conductivity mechanism of a well studied organic ionic plastic crystal electrolyte, conductivity and mean defect volumes were measured. The ionic conductivity of the salt showed a characteristic phase dependence. Defect volumes, as measured by positron annihilation lifetime spectroscopy, showed increasing ...

2013
Konrad G. Weil

The density, the electrolytic conductivity, and the viscosity of molten silver chloride doped with LiCl, KCl, CsCl, and BaCl2 have been measured in the concentration range 0 ^ xdopant — 0.1 and temperature range 740 K ^ Tm 900 K. The molar conductivity, A, decreases linearly with -̂ dopant•> the curve being independent of the charge of the added cation. Only in the case of LiCl is a very small i...

Journal: :caspian journal of chemistry 2012
hamid golchoubian hakimeh fazilati

a series of new heteroleptic chelated copper(ii) complexes that encompass n,n-dibezyl substituted derivative of ethylenediamine (x-diamine) and acetylacetonate (acac) were prepared.  the ir and electronic absorption spectra and the molar conductivity of the complexes are presented and discussed.  the molar conductivity values of the complexes in different solvents reveals a predominance of elec...

Journal: :Journal of combinatorial chemistry 2006
Xin-Gui Li Yan Kang Mei-Rong Huang

A high-throughput multiparameter optimization of chemical oxidative polymerization conditions has been developed for a facile synthesis of furan homopolymers and furan/aniline copolymers using a combinatorial method. The polymerization yield, molecular structure, and properties of the polymers would be optimized against typical polymerization parameters, including oxidant species, medium specie...

Hakimeh Fazilati Hamid Golchoubian,

A series of new heteroleptic chelated copper(II) complexes that encompass N,N-dibezyl substituted derivative of ethylenediamine (X-diamine) and acetylacetonate (acac) were prepared.  The IR and electronic absorption spectra and the molar conductivity of the complexes are presented and discussed.  The molar conductivity values of the complexes in different solvents reveals a predominance of elec...

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