نتایج جستجو برای: neutral aqueous electrolyte

تعداد نتایج: 189644  

Journal: :American Journal of Scientific and Industrial Research 2011

2014
Jiandong Xu Qiuming Gao Yunlu Zhang Yanli Tan Weiqian Tian Lihua Zhu Lei Jiang

Two-dimensional (2D) porous carbon AC-SPN-3 possessing of amazing high micropore volume ratio of 83% and large surface area of about 1069 m(2) g(-1) is high-yield obtained by pyrolysis of natural waste Pistachio nutshells with KOH activation. The AC-SPN-3 has a curved 2D lamellar morphology with the thickness of each slice about 200 nm. The porous carbon is consists of highly interconnected uni...

Journal: :The Journal of chemical physics 2016
Thiago Colla Matheus Girotto Alexandre P Dos Santos Yan Levin

We study, using Density Functional theory (DFT) and Monte Carlo simulations, aqueous electrolyte solutions between charged infinite planar surfaces, in contact with a bulk salt reservoir. In agreement with recent experimental observations [Z. Luo et al., Nat. Commun. 6, 6358 (2015)], we find that the confined electrolyte lacks local charge neutrality. We show that a DFT based on a bulk-HNC expa...

Journal: :Physical chemistry chemical physics : PCCP 2013
Stefano Meini Nikolaos Tsiouvaras K Uta Schwenke Michele Piana Hans Beyer Lukas Lange Hubert A Gasteiger

The instability of currently used electrolyte solutions and of the carbon support during charge-discharge in non-aqueous lithium-oxygen cells can lead to discharge products other than the desired Li2O2, such as Li2CO3, which is believed to reduce cycle-life. Similarly, discharge in an O2 atmosphere which contains H2O and CO2 impurities would lead to LiOH and Li2CO3 discharge products. In this w...

Journal: :Journal of oleo science 2009
Hiroaki Tagashira Youichi Takata Atsushi Hyono Hiroyuki Ohshima

An expression for the surface tension of an aqueous mixed solution of surfactants and electrolyte ions in the presence of the common ions was derived from the Helmholtz free energy of an air/water surface. By applying the equation to experimental data for the surface tension, the adsorption constant of surfactant ions onto the air/water interface, the binding constant of counterions on the surf...

2016
Ali Zavabeti Torben Daeneke Adam F. Chrimes Anthony P. O'Mullane Jian Zhen Ou Arnan Mitchell Khashayar Khoshmanesh Kourosh Kalantar-zadeh

Components with self-propelling abilities are important building blocks of small autonomous systems and the characteristics of liquid metals are capable of fulfilling self-propulsion criteria. To date, there has been no exploration regarding the effect of electrolyte ionic content surrounding a liquid metal for symmetry breaking that generates motion. Here we show the controlled actuation of li...

Journal: :Energy & environmental materials 2022

A highlight on reshaping aqueous electrolyte solvation structure for high-energy batteries is provided. Firstly, the recent key design routes regulating to widen electrochemical stability window (ESW) of are briefly summarized. Then, groundbreaking work Wang et al. using urea as diluent elaborated. Finally, significance Wang's highlighted.

Journal: :Chemical communications 2010
Liza Rassaei Michaela Nebel Neil V Rees Richard G Compton Wolfgang Schuhmann Frank Marken

Microwave induced activation of electrochemical processes at microelectrodes (ca. 0.8 microm diameter) immersed in aqueous electrolyte media is shown to be driven by (i) continuous stable cavitation (giving rise to Faradaic current enhancements by up to three orders of magnitude) and (ii) transient discharge cavitation on the micros timescale (giving rise to cathodic plasma current spikes and m...

Journal: :Energy Storage Materials 2022

Aqueous zinc-ion batteries are promising alternatives to lithium-ion for grid-scale energy storage. However, the practical application of AZIBs is challenged by side reactions and unsatisfactory performance. Electrolyte additives reported that can inhibit on Zn anode enlarge working potential window aqueous electrolytes. Here we propose trace amounts perfluorooctanoic acid (PFOA) facilitate lon...

2013
Shanmugasigamani Srinivasan M. Selvam

Low temperature molten salts have variety of applications in organic synthesis, catalytic processing, batteries and electrode position due to their air and water stability. They have wide potential window for their applications in voltage and temperature and hence there is a possibility to deposit metals which could not be deposited from aqueous electrolytes. Our aim and scope of our research w...

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