Results 41 to 50 of about 4,823 (166)

Mesoporous Hexametallic High‐Entropy Alloy Nanotubes With Multicomponent Electronic Modulation for Efficient Bifunctional Catalysis

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Platinum‐based electrocatalysts are fundamentally constrained by strong oxygen binding, which restricts the oxygen reduction reaction (ORR) kinetics, and by severe CO poisoning, which hinders the methanol oxidation reaction (MOR). To address these limitations, we synthesized PdPtRuIrRhNi high‐entropy alloy (HEA) mesoporous nanotubes that ...
Hong Pan   +6 more
wiley   +1 more source

Novel Miniature DMFC With Monolithic Si Electrodes

open access: yes, 2009
A through-chip porous Ru-Pt catalyst layer was fabricated on a Si wafer and a novel miniature DMFC (Direct Methanol Fuel Cell) was realized. Recently, we found that porous noble metal layer can be synthesized on Si substrate by immersion plating on a ...
Masanori Hayase, Yosuke Saito
core   +1 more source

A Novel Button-Type Micro Direct Methanol Fuel Cell with Graphene Diffusion Layer

open access: yesMicromachines, 2019
In order to solve the problem that bolts in traditional packaged direct methanol fuel cells (DMFCs) take up a large area and reduce the specific energy (energy per unit weight) and power density (power per unit area), a new button-type micro direct ...
Yingli Zhu, Lei Gao, Jianyu Li
doaj   +1 more source

Decoupling Electronic Activation and Pore Connectivity in Acidic Oxygen Reduction on Metal‐Free Biomass‐Derived Carbon Catalysts

open access: yesChemElectroChem, Volume 13, Issue 16, 18 August 2026.
Acidic ORR on biomass‐derived carbon is described by partially separable electronic and transport contributions. Defect‐derived electronic states are associated with the onset region, whereas connected three‐dimensional pore pathways are associated with accessibility in the transport‐influenced regime.
Ravi Singh   +11 more
wiley   +1 more source

Advancements in Enzymatic Biofuel Cells for Wearable Electrochemical Biosensors: Powering Point‐of‐Care Health Monitoring

open access: yesAdvanced Sensor Research, Volume 5, Issue 8, August 2026.
Advances in enzymatic biofuel cells are highlighted through innovative electrode architectures, enzyme immobilization strategies, and hybrid integration with triboelectric, piezoelectric, and thermoelectric energy harvesters. These emerging approaches improve power output, operational stability, and biocompatibility, advancing self‐powered wearable and
Rashid Khan   +3 more
wiley   +1 more source

Experimental investigation on DMFC degradation [PDF]

open access: yes, 2014
L'eccessiva degradazione delle prestazioni è una delle problematiche principali per la commercializzazione delle celle a combustibile a metanolo diretto (DMFC); le indagini sperimentali disponibili in letteratura mostrano che la degradazione ha due ...
BRESCIANI, FAUSTO
core  

The Study of the Efficiency of a Direct Methanol Fuel Cell [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2014
The Direct Methanol Fuel Cell (DMFC), represent an interesting solution to produce electricity. It has some commercial advantages, such low price, compact construction, quick refueling.
POPOVICI Ovidiu
doaj  

Direct Methanol (or Ethanol) Fuel Cell as Enzymatic or Non-Enzymatic Device, Used to Check Ethanol in Several Pharmaceutical and Forensic Samples

open access: yesSensors, 2018
It was already demonstrated by our research group that a direct catalytic methanol (or ethanol) fuel cell (DMFC) device can be used also for analytical purposes, such as the determination of ethanol content in beverages.
Mauro Tomassetti   +5 more
doaj   +1 more source

Trace Ru‐Doped PtCuRu@PtRu Core‐Shell Electrocatalyst for CO‐Resilient Methanol Oxidation

open access: yesAdvanced Science, Volume 13, Issue 47, 24 August 2026.
We engineered a trace Ru‐doped PtCuRu@PtRu core‐shell nanostructure. This design exploits lattice mismatch‐induced compressive strain between the PtCuRu ternary core and trace Ru‐doped Pt‐rich shell, systematically downshifting the Pt d‐band center to weaken *CO adsorption energetics.
Tianrui Xue   +7 more
wiley   +1 more source

Leading the Pack: Next‐Generation Batteries for Humanoid Robotics

open access: yesAdvanced Science, Volume 13, Issue 47, 24 August 2026.
Humanoid robots challenge traditional and anticipated energy technologies. Humanoid robot benchmarks of runtimes and energy demands for industry applications inform humanoid robot battery design choices at the cell level, pack level, and system level.
Matthew Bergschneider   +6 more
wiley   +1 more source

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