Results 111 to 120 of about 186,010 (326)

Photo‐Switching Thermal and Lithium‐Ion Conductivity in Azobenzene Polymers

Advanced Functional Materials, EarlyView.
Light‐responsive azobenzene polymers control thermal and ionic transport simultaneously through structural transitions. UV illumination disrupts π–π stacking, converting crystalline trans states to amorphous cis configurations. Thermal conductivity drops from 0.45 to 0.15 W·m−1·K−1 while Li+ diffusivity increases 100 fold. This dual transport switching
Jaeuk Sung, Jungwoo Shin, Qiujie Zhao, Minjee Kang, Christopher Evans, Cecilia Leal, Paul V. Braun, David G. Cahill   +7 more
wiley   +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

Review on the development of truly portable and in-situ capillary electrophoresis systems

, 2013
Capillary electrophoresis (CE) is a technique which uses an electric field to separate a mixed sample into its constituents. Portable CE systems enable this powerful analysis technique to be used in the field.
Cranny, Andy, Green, Nicolas G, Harris, Nick, Lewis, Adam, Stokes, Keith R., Wharton, Julian A., Wood, R.J.K.   +6 more
core   +1 more source

Conductivity behaviour of polymer gel electrolytes: Role of polymer

Bulletin of Materials Science, 2003
Polymer is an important constituent of polymer gel electrolytes along with salt and solvent. The salt provides ions for conduction and the solvent helps in the dissolution of the salt and also provides the medium for ion conduction. Although the polymer added provides mechanical stability to the electrolytes yet its effect on the conductivity behaviour
openaire   +2 more sources

Mechanotransducing Organic Electrochemical Diode for Crosstalk‐Inhibited Artificial Skin

Advanced Functional Materials, EarlyView.
An innovative approach is presented to a stretchable mechanotransducing diode that unifies rectification and tactile‐sensing functionality. This approach enables to fabricate the diode that maintains a large rectification ratio (5 × 102) at a high operational frequency (100 Hz).
Taeyeong Kim, Seunggoo Baek, Garrett Lecroy, Hyeongseok Choi, Wonjeong Suh, Woosung Cho, Alberto Salleo, Unyong Jeong   +7 more
wiley   +1 more source

Recent Progress in Electrolyte Systems for Supercapacitors

Electrochemistry
Aqueous electrolytes containing sulfuric acid and organic electrolytes made by dissolving quaternary ammonium salts in propylene carbonate have long been used as electrolytes in supercapacitors.
Masashi ISHIKAWA, Kaoru DOKKO, Hsisheng TENG, Simon LINDBERG, Jon AJURIA, Andrea BALDUCCI, Elzbieta FRACKOWIAK   +6 more
doaj   +1 more source

Gel polymer electrolytes with high fire safety [PDF]

, 2010
Tato práce se zabývá problematikou přípravy gelových polymerních elektrolytů na bázi PMMA a sulfolanu s vyšší požární bezpečností a vysokou iontovou vodivostí.
Musil, Michal
core  

Laser‐Induced Microfabrication of Carbon Nanostructure: Processing Mechanism and Application for Next‐Generation Battery Technology

Advanced Functional Materials, EarlyView.
The article reviews laser‐processed carbons from various precursors, processing mechanism and their application in advanced batteries. The laser process is chemical free, fast, and scalable, enabling improved battery performance and stability for Li, Na, and Zn battery technologies.
Sujit Deshmukh, Shaista Nouseen, Martin Pumera   +2 more
wiley   +1 more source

Review of recent advancements in the development and modification of gel polymer electrolytes for lithium metal batteries [PDF]

MATEC Web of Conferences
The rapid evolution of mobile electronics and the global shift toward electric vehicles (EVs) have intensified the demand for high-energy- density, safe, and sustainable energy storage systems.
Chen Lin
doaj   +1 more source

Alkali Ion‐Incorporated HfO2 Dielectrics for Reconfigurable Neuromorphic Computing

Advanced Functional Materials, EarlyView.
This work presents an indium gallium zinc oxide (IGZO) transistor with an alkali cation‐integrated hafnium dioxide (HfO2) dielectric exhibiting synaptic behavior via ion retention. The solution‐based film fabrication strategy overcomes the limitations of atomic layer deposition (ALD) and precursor coating, enabling the control of synaptic retention ...
Seung Yeon Ki, In Cheol Kwak, Seonkwon Kim, Jihyun Kim, Dong Gue Roe, Se‐Jin Kim, Joohoon Kang, Jeong Ho Cho   +7 more
wiley   +1 more source