Results 121 to 130 of about 1,042 (180)

Zn metal organic framework tailored cellulose acetate/PVdF-<i>co</i>-HFP based proton conductive composite membranes: performance enhancement in direct methanol fuel cells. [PDF]

RSC Adv
Khalifa RE, Abd El-Aziz AM, Mohy-Eldin MS, Aziz AN, Kováčová M, Vykydalová A, Nagy Š, Špitalský Z.   +7 more
europepmc   +1 more source

The hidden potential of archaea in carbon and nitrogen cycling in agricultural soils: a review. [PDF]

Front Microbiol
Speek BM, Suleiman AKA, Keuning E, Sechi V, Buisman CJN, Bezemer TM.   +5 more
europepmc   +1 more source

Determination of the degree of sulfonation in cross-linked and non-cross-linked Poly(ether ether ketone) using different analytical techniques. [PDF]

Heliyon
Al Lafi AG, Rihawy MS, Allaf AW, Alzier A, Hasan R.   +4 more
europepmc   +1 more source

Long-lasting and stable anti-fog coating combined with active and passive strategy. [PDF]

Nat Commun
Zhang C, Liu B, Yu S, Li J, Liu Q, Zhang S, Jian X, Weng Z.   +7 more
europepmc   +1 more source

A Bipolar Membrane Containing Core-Shell Structured Fe₃O₄-Chitosan Nanoparticles for Direct Seawater Electrolysis. [PDF]

Membranes (Basel)
Song HB, Jang EH, Kang MS.
europepmc   +1 more source

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Properties of Composite Membranes of SPEEK and Nanodiamond

MRS Proceedings, 2012
AbstractThe manufacture of composite materials can improve the properties of proton-conducting polymers as membranes in PEM fuel cells. We have investigated composite membranes obtained by dispersion of nanodiamond particles in a sulfonated PolyEtherEtherKetone (SPEEK) matrix. SPEEK is a major proton-conducting aromatic polymer.
Hou H., Maranesi B., Khadhraoui M., Knauth P., Polini R., Di Vona M. L.   +5 more
openaire   +1 more source

Effect of SPEEK content on the morphological and electrical properties of PES/SPEEK blend nanofiltration membranes

Desalination, 2009
Polyethersulfone (PES)/poly (ether ether ketone) (SPEEK) blends nanofiltration membrane at different SPEEK contents were prepared using a simple dry-jet wet spinning technique. The SPEEK polymer with fixed sulfonation degree was used for membrane preparation and characterized using FTIR and nuclear magnetic resonance (NMR) spectrometer.
Woei-Jye Lau, A.F. Ismail
openaire   +1 more source

Proton Conductivity of SPEEK Membranes

Polymer-Plastics Technology and Engineering, 2010
Novel sulfonated poly(ether ether ketone) (PEEK) copolymers were prepared using a low-viscosity grade PEEK powder. The TGA studies indicated that SPEEK membranes with up to 75% DS have enough thermal stability. The highest conductivity of 2.176 × 10−2 S cm−1 has been observed at 100°C for SP96 (DS = 72%).
G. M. Shashidhara, K. Naveen Kumar
openaire   +1 more source

Novel biomimetic actuator based on SPEEK and PVDF

Sensors and Actuators B: Chemical, 2009
In this study, a novel electro-active polymer based on a blended polymer membrane of sulfonated poly(ether ether ketone) (i.e., SPEEK) and poly(vinylidene fluoride) (i.e., PVDF) is newly developed for the realization of a cost-effective and high-performing polymer actuator with controllable stiffness and ionic networking.
Sunwoo Lee, Jin-Han Jeon
exaly   +3 more sources

Effect of IEC and Loading of Cathode SPEEK Binder on Kinetic and Transport Properties of All-SPEEK MEAs

ECS Transactions, 2007
The choice of polyelectrolyte in the catalyst layer is an important consideration in the formation and efficacy of the triple phase boundary. It also influences the stability of the electrolyte/electrode interface for long term fuel cell performance. The polyelectrolyte composition in the electrode has to be optimum for higher Pt utilization and hence
Satheesh Kumar Sambandam, V. Ramani
openaire   +1 more source