Results 131 to 140 of about 40,582 (335)

Defect‐Induced Selectivity Modulation Using Copper Triazole Molecular Frameworks for Electrochemical CO2 Reduction

open access: yesAdvanced Functional Materials, EarlyView.
A Cu‐triazole and D‐Cu‐triazole MOF is studied for eCO2RR. After introducing open metal sites and reducing the particle size through a competitive coordination strategy with N,N‐diethylformamide, the defects significantly enhance and alter the catalytic properties with increased selectivity for C2+ products. Abstract Metal–organic frameworks (MOFs) are
Anirudha Shekhawat   +7 more
wiley   +1 more source

Kinetic parameters study for the slow pyrolysis of coffee residues based on thermogravimetric analysis

open access: yesQuímica Nova
Thermal decomposition of coffee husks was investigated by thermogravimetric analyses. The proximate, ultimate and composition analyses were performed. Thermogravimetric tests were realized, the material was heated to 1173 K using five heating rates: 5 ...
Fernando L. Tibola   +4 more
doaj   +1 more source

An evaluation: The potential of discarded tires as a source of fuel [PDF]

open access: yes
The destructive distillation of rubber tire samples was studied by thermogravimetry, differential scanning calorimetry, combustion calorimetry, and mass spectroscopy.
Collins, L. W.   +3 more
core   +1 more source

Accelerated Kinetics of Desolvation and Redox Transformation Enabled by MOF Sieving for High‐Loading Mg‐S Battery

open access: yesAdvanced Functional Materials, EarlyView.
A strategy of sieving catalysis based on the MIL‐101(Cr) with multistage pore structure and Lewis acid sites has been proposed as the catalyst to accelerate the kinetics of desolvation and redox conversion of sulfur species, achieving high performance Mg‐S batteries.
Qinghua Guan   +8 more
wiley   +1 more source

Accelerated Discovery of High‐Performance PCFC Cathodes: Computational‐Experimental Optimization of Cobalt‐Substituted Ba0.95La0.05FeO3‐δ

open access: yesAdvanced Functional Materials, EarlyView.
An integrated computational–experimental strategy accelerates the discovery of high‐performance PCFC cathodes. Computational screening using machine learning interatomic potentials and targeted experiments identifies optimal cobalt substitution in Ba0.95La0.05FeO3‐δ, reducing area‐specific resistance by 58% at 500 °C.
Abdullah Tahir   +4 more
wiley   +1 more source

Investigation of the Thermal Degradation of Polyurea: The Effect of Ammonium Polyphosphate and Expandable Graphite [PDF]

open access: yes, 2010
Polyurea was compounded with ammonium polyphosphate and expandable graphite and the morphology was studied by atomic force microscopy. The thermal degradation of polyurea and polyurea compounded with the additives has been investigated using ...
Awad, Walid, Wilkie, Charles A.
core   +1 more source

Biodegradable and Recyclable Luminescent Mixed‐Matrix‐Membranes, Hydrogels, and Cryogels based on Nanoscale Metal‐Organic Frameworks and Biopolymers

open access: yesAdvanced Functional Materials, EarlyView.
The study presents biodegradable and recyclable mixed‐matrix membranes (MMMs), hydrogels, and cryogels using luminescent nanoscale metal‐organic frameworks (nMOFs) and biopolymers. These bio‐nMOF‐MMMs combine europium‐based nMOFs as probes for the status of the materials with the biopolymers agar and gelatine and present alternatives to conventional ...
Moritz Maxeiner   +4 more
wiley   +1 more source

Covalent Adaptable Networks with Associative Siloxane Exchange Enabled by Amide‐Based Internal Catalysis: Designing for Reprocessability and Extrudability by Increasing the Cross‐Link Density

open access: yesAdvanced Functional Materials, EarlyView.
Internally catalyzed siloxane dynamic chemistry is demonstrated resulting from amides covalently linked through alkyl chains to siloxanes. The alkyl length in the siloxane‐containing monomer tunes the network cross‐link density. Siloxane exchange dynamics are faster with increasing cross‐link density, because associative exchange is second order in ...
Nathan S. Purwanto   +5 more
wiley   +1 more source

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