Development of Cost-Effective sPEEK/Al2O3 Composite Membranes with Enhanced Proton Conductivity and Durability for PEMFCs [PDF]
E3S Web of ConferencesPolymer electrolyte membrane (PEM)-based fuel cells are emerging fields with high efficiency, low pollutant emissions, and low material consumption. However, conventional membranes have poor thermal resistance and are expensive.
Hakim Muhammad Fahmi +4 more
doaj +1 more source
Studies on the SPEEK membrane with low degree of sulfonation as a stable proton exchange membrane for fuel cell applications [PDF]
Hydrogen, Fuel Cell & Energy Storage, 2017 Sulfonated poly (ether ether ketone) (SPEEK) with a low degree of sulfonation (DS = 40%) was prepared for proton exchange membrane fuel cells (PEMFC).
Mohammad Javad Parnian +2 more
doaj +1 more source
BioTechniques, 2021 We present a modified alkaline lysis method for purification of plasmid DNA (pDNA) from bacterial extract using fractional precipitation with isopropanol (FPI).
Viiu Paalme, Mart Speek
doaj +1 more source
Porous Titanium surfaces to control bacteria growth: mechanical properties and sulfonated polyetheretherketone coating as antibiofounling approaches [PDF]
, 2019 Here, titanium porous substrates were fabricated by a space holder technique. The relationship between microstructural characteristics (pore equivalent diameter, mean free-path between pores, roughness and contact surface), mechanical properties (Young’s
Beltrán, Ana M. +9 more
core
A Review on Applications and Challenges of Fullerenes in Proton Exchange Membranes
Carbon Energy, EarlyView.This review is devoted to the analysis of the use of fullerenes and their functionalized derivatives to improve the efficiency of proton exchange membranes. The synthetic methods, structure, properties, and proton transfer mechanisms of fullerene‐containing membranes are discussed in detail. Promising areas of scientific research are discussed, and key
Ruslan Usmanov, Alexander Pozdnyakov
wiley +1 more source
International Journal of Electrochemical Science, 2015 A type of poly(aminobenzene sulfonic)phosphazene derivative grafted SPEEK was synthesized which were confirmed by FT-IR and NMR analysis. And a series of grafted SPEEK proton exchange membranes with 65% sulfonation degree were prepared.
Zhengping Zhao +3 more
doaj +1 more source
Dynamic investigation of hydrocarbon proton exchange membrane Fuel Cell [PDF]
Hydrogen, Fuel Cell & Energy Storage, 2018 Sulfonated polyether ether ketone (SPEEK) is categorized in a nonfluorinated aromatic hydrocarbon proton exchange membrane (PEM) group and considered as a suitable substitute for common per-fluorinated membranes, such as Nafion, due to wider operating ...
Milad Shakouri Kalfati +2 more
doaj +1 more source
Electrochemical Detection of Dopamine at Fe3O4/SPEEK Modified Electrode
Molecules, 2021 Reported here is the design of an electrochemical sensor for dopamine (DA) based on a screen print carbon electrode modified with a sulphonated polyether ether ketone-iron (III) oxide composite (SPCE-Fe3O4/SPEEK). L.
Mogomotsi N. Ranku +2 more
doaj +1 more source
Membrane Engineering for Battery Systems: Bridging Design Principles and Frontier Applications
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.The review emphasizes membrane separators' role in battery performance and safety, covering redox flow, lithium‐ion, and solid‐state batteries. It reviews advances in membrane materials (e.g., polymer electrolytes, hybrid composites) and ion transport mechanisms, while addressing challenges like dendrite growth and crossover losses.
Xiaoqun Zhou +3 more
wiley +1 more source
Pengaruh Metode Sulfonasi dan Penambahan Pengisi pada Membran Direct Metanol Fuel Cell
JRST: Jurnal Riset Sains dan Teknologi, 2018 Penggunaan polieter-eter keton (PEEK) sebagai membran pengganti nafion pada aplikasi direct methanol fuel cell (DMFC) menjadi penelitian yang terus dikembangkan, Penyempurnaan PEEK menuju karakteristik nafion juga terus dilakukan dengan berbagai metode,
Muhammad Fahmi Hakim +1 more
doaj +1 more source