Results 41 to 50 of about 2,556,582 (360)

Electrical, electrochemical and structural studies of a chlorine-derived ionic liquid-based polymer gel electrolyte

Beilstein Journal of Nanotechnology, 2021
In the present article, an ionic liquid-based polymer gel electrolyte was synthesized by using poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) as a host polymer.
Ashish Gupta, Amrita Jain, Manju Kumari, Santosh K. Tripathi   +3 more
doaj   +1 more source

Membrane-free redox flow battery with polymer electrolytes

Nature Communications
Li metal-based nonaqueous batteries are valued for high voltage and energy density, but face challenges like Li instability, volatile electrolytes, and costly ion-exchange membranes.
Rajeev K. Gautam, Xiao Wang, Jianbing “Jimmy” Jiang   +2 more
doaj   +1 more source

CONDUCTIVITY STUDIES OF (PEO +KHCO3) SOLID ELECTROLYTE SYSTEM AND ITS APPLICATION AS AN ELECTROCHEMICAL CELL [PDF]

Journal of Engineering Science and Technology, 2010
Solid polymer electrolyte system, polyethylene oxide (PEO) complexed with potassium bicarbonate (KHCO3) salt was prepared by solution-cast technique. Several experimental techniques such as infrared radiation (IR), differential scanning calorimeter (DSC),
K. VIJAY KUMAR, G. SUNEETA SUNDARI
doaj  

Hybrid polymer electrolyte for Li–O2 batteries

Green Energy & Environment, 2019
Li–O2 batteries have attracted much attention because of their high specific energy. However, safety problem generated mainly from the flammable organic liquid electrolytes have hindered the commercial use of Li–O2 batteries.
Bojie Li, Yijie Liu, Xiaoyu Zhang, Ping He, Haoshen Zhou   +4 more
doaj   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Formation of Stable Interphase of Polymer-in-Salt Electrolyte in All-Solid-State Lithium Batteries

Energy Material Advances, 2021
The integration of solid-polymer electrolytes into all-solid-state lithium batteries is highly desirable to overcome the limitations of current battery configurations that have a low energy density and severe safety concerns.
Hongcai Gao, Nicholas S. Grundish, Yongjie Zhao, Aijun Zhou, John B. Goodenough   +4 more
doaj   +1 more source

Dynamic Testing of Cold Gas Sprayed Bipolar Plates–Porous Transport Layer Coating System in Proton Exchange Membrane Water Electrolysis

Advanced Engineering Materials, EarlyView.
Through direct application of porous transport layer (PTL) on the bipolar plate (BPP) with thermal spraying, the interfacial contact resistance is improved. With the cold gas sprayed BPP–PTL coating system, a proton exchange membrane water electrolysis cell with a cell voltage of Ucell = 1.9 V can be operated up to i = 2.5 A/cm2 in a dynamic mode ...
Kirsten Bobzin, Marvin Erck, Kevin Jasutyn, Katja Radermacher, Andreas Bund, Mario Kurniawan   +5 more
wiley   +1 more source

Tailoring physical, electrochemical, mechanical and thermal properties of PPC-PVdF blend electrolyte: A synergistic effect of LIBOB salt and EC plasticizer

Results in Engineering
This study explores the impact of lithium bis(oxalate) borate (LIBOB) salt and Ethylene carbonate (EC) plasticizer on the electrochemical properties of Poly(propylene carbonate) (PPC)-Poly(vinylidene fluoride) (PVdF) blend polymer electrolytes.
Sashmitha K․, Anand S․, Vijaya B．, Nallakumar Santhosh, Manohar D․, Usha-Rani M․   +5 more
doaj   +1 more source

A review of polymer electrolyte membrane fuel cells: Technology, applications,and needs on fundamental research

, 2011
Polymer electrolyte membrane (PEM) fuel cells, which convert the chemical energy stored in hydrogen fuel directly and efficiently to electrical energy with water as the only byproduct, have the potential to reduce our energy use, pollutant emissions, and
Yun Wang, K. Chen, Jeffrey Mishler, S. Cho, X. C. Adroher   +4 more
semanticscholar   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

Advanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund, Arthur Schulz, Peter Lunkenheimer, Maryana Kraft, Thomas Bergler, Harald Oberhofer, Dirk Volkmer   +6 more
wiley   +1 more source