نتایج جستجو برای: electrolytes

تعداد نتایج: 21140  

Journal: :Physical chemistry chemical physics : PCCP 2014
Dong Young Kim Younhee Lim Basab Roy Young-Gyoon Ryu Seok-Soo Lee

Since the early nineties there have been a number of reports on the experimental development of Mg electrolytes based on organo/amide-magnesium chlorides and their transmetalations. However, there are no theoretical papers describing the underlying operating mechanisms of Mg electrolytes, and there is no clear understanding of these mechanisms. We have therefore attempted to clarify the operati...

2011
Masanobu Chiku Shoji Tomita Eiji Higuchi

Organic-inorganic hybrid hydrogel electrolytes were prepared by mixing hydrotalcite, cross-linked potassium poly(acrylate) and 6 M KOH solution. The organicinorganic hybrid hydrogel electrolytes had high ionic conductivity (0.456–0.540 S cm) at 30 °C. Moreover, the mechanical strength of the hydrogel electrolytes was high enough to form a 2–3 mm thick freestanding membrane because of the reinfo...

2013
S Austin Suthanthiraraj

Dye-sensitized solar cells (DSSCs) have aroused intense interest owing to their easy fabrication, low cost, simple preparation procedures and high energy conversion efficiency. Considering the fact that leakage and volatilization of liquid electrolytes hinder their practical applications in the case of DSSCs, polymer electrolytes with high ionic conductivity, excellent thermal and long-term sta...

M. Ghatee, M.H. Shariat,

Abstract: Zirconia solid electrolytes with nonequilibrium composite structure were prepared by impregnation of a porous 8YSZ matrix with a solution of Zirconia. Microstructures were characterized by XRD and SEM. The electrical properties were studied by impedance spectroscopy as a function of temperature. Biaxial flexural strength and fracture toughness of composite samples were measured by rin...

2018
Francisco González Víctor Gregorio Aitor Rubio Leoncio Garrido Nuria García

A series of thermoplastic polymer electrolytes have been prepared employing poly(ethylene oxide) (PEO) as a polymer matrix, bis(trifluoromethane sulfonimide) (LiTFSI), and different room-temperature ionic liquids (RTIL) with bis(fluorosulfonyl)imide (FSI) or TFSI anions. This formulation makes them safe and non-flammable. The electrolytes have been processed in the absence of solvents by melt c...

2013
S. Rajesh D. A. Macedo Rubens M. Nascimento

Moving away from conventional solid oxide electrolytes, hybrid fuel cells based on composite electrolytes (a solid oxide electrolyte and a molten alkaline carbonate phase) exhibit promising performance due to the high electrolyte conductivity within the so-called intermediate temperature ranges (400-600 C). These electrolytes are a blend of those traditionally used in Solid Oxide and Molten Car...

Journal: :Physical chemistry chemical physics : PCCP 2015
Yuri Nakayama Yui Senda Hideki Kawasaki Naoki Koshitani Shizuka Hosoi Yoshihiro Kudo Hiroyuki Morioka Masayuki Nagamine

Electrolyte is a key material for success in the research and development of next-generation rechargeable batteries. Aluminium rechargeable batteries that use aluminium (Al) metals as anode materials are attractive candidates for next-generation batteries, though they have not been developed yet due to the lack of practically useful electrolytes. Here we present, for the first time, non-corrosi...

Journal: :desert 2010
h. moradi shahrbabak m. moradi shahrbabak h. mehrabani yeganeh gh. rahimi

abstract the whole blood potassium concentration has shown the bimodal distribution in sheep, which has been classified into lk and hk types; hk allele is recessive to lk with a single gene inheritance. this polymorphism showed different behavior in different environment, which could be due to adaptation process. this research was conducted on the zel and kermani breed research station, which k...

Journal: :Physical chemistry chemical physics : PCCP 2015
Che-Nan Sun Thomas A Zawodzinski Wyatt E Tenhaeff Fei Ren Jong Kahk Keum Sheng Bi Dawen Li Suk-Kyun Ahn Kunlun Hong Adam J Rondinone Jan-Michael Y Carrillo Changwoo Do Bobby G Sumpter Jihua Chen

Solid polymer electrolytes, such as polyethylene oxide (PEO) based systems, have the potential to replace liquid electrolytes in secondary lithium batteries with flexible, safe, and mechanically robust designs. Previously reported PEO nanocomposite electrolytes routinely use metal oxide nanoparticles that are often 5-10 nm in diameter or larger. The mechanism of those oxide particle-based polym...

2013
Shahzada Ahmad Sharif Ahmad

A novel approach has been adopted for synthesizing composite polymer electrolytes with a blend of atactic poly(methyl methacrylate) (a-PMMA) and isotactic PMMA (i-PMMA) owing to their ability to form stereocomplex structures, especially double helix like structures. Nanocomposite polymeric electrolytes based on gel polymeric electrolyte (GPE) consisting of stereocomplex PMMA, propylene carbonat...

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