Results 71 to 80 of about 1,006,339 (254)

Surface Analyses of PVDF/NMP/[EMIM][TFSI] Solid Polymer Electrolyte

, 2021
Thermal treatment conditions of solid polymer polymer electrolyte (SPE) were studied with respect to their impact on the surface morphology, phase composition and chemical composition of an imidazolium ionic-liquid-based SPE, namely PVDF/NMP/[EMIM][TFSI]
Petr Sedlak, Dinara Sobola, Petr Kubersky, Alois Nebojsa, Rashid Dallaev, Adam Gajdos   +5 more
core   +1 more source

Current Density Performances in Poly Ether Ether Keton Membrane for Direct Methanol Fuel Cells [PDF]

, 2012
The objective of this study focuses on the characterization of poly ether ether ketone (PEEK) membranes for direct methanol fuel cells (DMFC) application. The PEEK membrane was modified with sulfonation in NMP solvent.
E. L. , Dewi, A. , Dhuhita, T. D. , Kusworo, M.N.A. , Mohd Norddin, D. K. , Arti, A.F. , Ismail   +5 more
core   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

Advanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao, Jiaojiao Zhang, Shideng Yuan, Xinmeng Yu, Keming Wan, Xiaoguang Duan, Zhining Wang   +6 more
wiley   +1 more source

A novel lightweight polymer electrolyte fuel cell stack for robot systems

, 2012
Proton exchange membrane fuel cells (PEMFCs) are the most appropriate for energy sources of small robot applications. PEMFCs have superior power density and thermodynamic efficiency compared with direct methanol fuel cells (DMFCs).
Bates, Alex, Lee, Sang Cheol, Kwon, O Sung, Ench, Robert Michael, Mukherjee, Santanu, Lee, Dong Ha, Park, Sam, HHwang, Sun-Wook, Choi, Gyeungho   +8 more
core   +1 more source

Electrostatic Superlattices Beyond 1:1 Stoichiometry

Advanced Functional Materials, EarlyView.
Polymer‐mediated charge regulation drives two hierarchical routes to higher‐stoichiometry nanoparticle superlattices. Tuning the polymer's molecular weight promotes progressive interstitial filling, transforming ZnS into the fully occupied CaF2${\rm CaF}_2$ lattice. Exchanging polymer assignment between large and small nanoparticles instead breaks CsCl
Binay P. Nayak, Prapti Kakkar, Wesley P. Korba, Honghu Zhang, Wenjie Wang, Surya K. Mallapragada, Alex Travesset, David Vaknin   +7 more
wiley   +1 more source

An Edible Chitosan‐Based Acoustic Sensor for Sound‐Responsive Actuation in Edible Robots

Advanced Functional Materials, EarlyView.
This study introduces an edible acoustic sensor for robotic food and edible robotics. Built from a chitosan piezoelectric film between gold electrodes, the sensor enables acoustic communication through ON/OFF keying. Integrated into an edible robot with pneumatically actuated arms and neck, it responds to high‐frequency tones.
Valerio Francesco Annese, Bokeon Kwak, Gaia de Marzo, Giulia Coco, Valentina Antonaci, Leonardo Lamanna, Massimo De Vittorio, Dario Floreano, Mario Caironi   +8 more
wiley   +1 more source

Spatially Regulated Lithium Plating via Li2O‐Rich Interphase Enables Durable Fast‐Charging Hybrid Lithium Batteries

Advanced Functional Materials, EarlyView.
A Li2O‐rich solid electrolyte interphase (SEI) is engineered on graphite through a propylene carbonate‐based electrolyte to spatially regulate Li plating. The homogeneous interphase lowers Li nucleation barriers, promotes conformal Li deposition around graphite particles, and suppresses dendritic accumulation, enabling durable hybrid Li‐ion/Li‐metal ...
Robert Kuphal, Jingjing Liu, Junxiang Liu, Tao Ma, Yi Ding, Mahmood Haq, Satish Udpa, Stephen J. Harris, Chengcheng Fang   +8 more
wiley   +1 more source

A novel all-solid-state polymer electrolyte based on PEO-PAN-PEO sandwich structure

四川大学学报. 自然科学版, 2018
In order to address the interfacial issues associated with the rigidness of polyacrylonitrile (PAN) polymer electrolyte, polyethylene oxide (PEO) polymer electrolyte layers are firstly proposed to paste on the both sides of PAN membrane, resulting in the
LIU Han-Kui, LIU Qin, JIA Wei-Shang, LI Jing-Ze   +3 more
doaj  

Disentangling Bulk and Surface Contributions to Charge and Discharge Fading in High‐Voltage LiCoO2

Advanced Functional Materials, EarlyView.
High‐voltage operation of LiCoO2 accelerates capacity fading through bulk and surface degradation. By introducing a LiTaO3 coating to selectively suppress surface degradation, bulk and surface contributions to charge and discharge fading are decoupled.
Hyungjoon Moon, Sangbin Park, Jaewoo Jung, Seongeun Lee, Chanwoo Jung, Min‐Sik Park, Won‐Sub Yoon   +6 more
wiley   +1 more source

Multifunctional phosphonium-based ionic liquid embedded polymer electrolyte for dual energy conversion and storage

Journal of Science: Advanced Materials and Devices
In the realm of green and sustainable energy use, solid electrolytes are recognized for their environmentally friendly and degradable properties. Simultaneously, significant efforts have been made to improve the ionic transport and interfacial stability ...
Suneyana Rawat, Ram Chandra Singh, Monika Michalska, Serguei V. Savilov, Markus Diantoro, Pramod K. Singh   +5 more
doaj   +1 more source