Results 21 to 30 of about 200,172 (252)

Investigating the Parameter-Driven Cathode Gas Diffusion of PEMFCs with a Piecewise Linearization Model

open access: yesEnergies, 2023
Improving mass transfer in gas diffusion layers is critical to achieving high-performance proton-exchange membrane fuel cells (PEMFCs). Leaks through the interface between the gas and the membrane electrode assembly frame have been widely investigated ...
Siwen Gu   +3 more
doaj   +1 more source

3D-printed hierarchical porous and multidimensional conductive network based on conducting polymer/graphene oxide

open access: yesJournal of Materiomics
Designing ultrathick and hierarchical electrodes is effective to deal with the challenge of high areal capacity and high power density for lithium-ion batteries (LIBs) manufacturing.
Cankun Gao   +8 more
doaj   +1 more source

Comparison of fresh and aged lithium iron phosphate cathodes using a tailored electrochemical strain microscopy technique

open access: yesBeilstein Journal of Nanotechnology, 2020
Electrochemical strain microscopy (ESM) is a powerful atomic force microscopy (AFM) mode for the investigation of ion dynamics and activities in energy storage materials.
Matthias Simolka   +2 more
doaj   +1 more source

Production of nickel-rich LiNi0.89Co0.08Al0.03O2 cathode material for high capacity NCA/graphite secondary battery fabrication

open access: yesOpen Engineering, 2022
Li-ion secondary battery is highly recommended as a power source to highly advanced battery electric vehicles. Among various types, the lithium nickel cobalt aluminum oxide (NCA) battery is considered suitable for high energy and power application.
Yudha Cornelius Satria   +6 more
doaj   +1 more source

FeS2-Decorated Carbon NanoFiber as Solid Phase Conversion-Type Cathode for Li-S Batteries

open access: yesEnergies, 2023
A new cathode material, FeS2-decorated carbon nanofiber (CNF), is proposed for Li-S batteries. The structure and physicochemical properties of the material have been engineered to enhance the poor cycling stability typically displayed by sulfur ...
Jordi Jacas Biendicho   +9 more
doaj   +1 more source

Tailoring cobalt‐free La0.5Sr0.5FeO3‐δ cathode with a nonmetal cation‐doping strategy for high‐performance proton‐conducting solid oxide fuel cells

open access: yesSusMat, 2022
A nonmetal doping strategy was exploited for the conventional La0.5Sr0.5FeO3‐δ (LSF) cathode, allowing high performance for proton‐conducting solid oxide fuel cells (H‐SOFCs). Unlike previous studies focusing on the utilization of metal oxides as dopants,
Yanru Yin   +4 more
doaj   +1 more source

Intermediate temperature SOFC single cell test using Nd1.95NiO4+δ as cathode [PDF]

open access: yes, 2007
This work deals with SOFC single cell tests using neodymium nickelate Nd1.95NiO4+δ as cathode material. This MIEC oxide exhibits high values of both surface exchange coefficient (k) and oxygen diffusion coefficient (D*), as well as high electronic ...
Ansart, Florence   +11 more
core   +1 more source

The Influence of Synthesis Method on the Local Structure and Electrochemical Properties of Li-Rich/Mn-Rich NMC Cathode Materials for Li-Ion Batteries

open access: yesNanomaterials, 2022
Electrochemical energy storage plays a vital role in combating global climate change. Nowadays lithium-ion battery technology remains the most prominent technology for rechargeable batteries.
Mylène Hendrickx   +6 more
doaj   +1 more source

Efficient Regulation of Oxygen Vacancies in β-MnO2 Nanostructures for High-Loading Zinc-Ion Batteries

open access: yesMetals
Manganese-based oxides, particularly β-MnO2, have emerged as promising cathode materials for aqueous zinc-ion batteries (ZIBs) due to their high theoretical capacity, low cost, and intrinsic safety.
Jian-Chun Wu   +8 more
doaj   +1 more source

Methane-Linked Mechanisms of Electron Uptake from Cathodes by Methanosarcina barkeri

open access: yesmBio, 2019
The Methanosarcinales, a lineage of cytochrome-containing methanogens, have recently been proposed to participate in direct extracellular electron transfer interactions within syntrophic communities.
Annette R. Rowe   +6 more
doaj   +1 more source

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