Results 141 to 150 of about 33,483 (192)
Zinc Grid Based Transparent Electrodes for Organic Photovoltaics
A transparent flexible electrode based on an embedded zinc grid with ≈1 µm linewidth is reported, and its utility as a drop‐in replacement for indium‐tin oxide coated glass electrodes in organic photovoltaic devices is demonstrated. The zinc grids are fabricated using the unconventional approach of condensation coefficient modulation, using a ...
Philip Bellchambers+8 more
wiley +1 more source
Interior Morphology and Pore Structure in High Surface Area Carbon Catalyst Supports
The interior structure of high surface area carbon supports for proton exchange membrane fuel cells is a major yet poorly characterized factor influencing performance and durability. Using full‐range electron tomography, pores and pathways within the supports are visualized in 3D.
Robin Girod, Vasiliki Tileli
wiley +1 more source
Intermetallic Electrocatalysts for Small‐Molecule Fuel Oxidation
Intermetallic compounds exhibit superior activity, durability, and CO tolerance, making them top‐tier catalysts for small‐molecule fuel cells. This review focuses on their synergy‐driven performance in hydrogen, formic acid, methanol, and ethanol oxidation reactions.
Qi Mai+13 more
wiley +1 more source
Toward Understanding the Stability of Single‐Atom Catalysts in Oxygen Evolution Reactions
Enhancing the stability of single‐atom catalysts for the oxygen evolution reaction hinges on understanding support interactions, local geometry, and structural dynamics. Transitioning to OH‐modified surfaces offers a promising route to cap surface metals and prevent leaching, paving the way for the next generation of stable OER SACs.
Maxwell Tsipoaka, Ali A. Rownaghi
wiley +1 more source
Weakly solvating electrolytes (WSEs) use anion‐dominated solvation to form stable interphase layers, overcoming energy density and lifespan limitations. This review clarifies their design, anion‐mediated interface regulation, and compatibility with lithium/post‐lithium systems, distinguishing them from conventional electrolytes, high concentration ...
Xue Li+6 more
wiley +1 more source
Stability of Organic Photovoltaics: From Root Causes to Advanced Analytical Techniques
This review explains the causes and mechanisms of degradation in organic photovoltaics (OPVs). It explores how various factors, including heat, light, oxygen, and inherent material properties, influence OPV stability. The study categorizes degradation pathways and analyzes their impact on device performance, providing insights into the fundamental ...
Yelim Choi+6 more
wiley +1 more source
Swarm‐Optimized ZnO/CdS/CIGS/GaAs Solar Cell for Enhanced Efficiency and Thermal Resilience
This article addresses the problem of optimizing the efficiency and thermal resilience of ZnO/CdS/CIGS solar cells, which are promising but still face challenges in maximizing performance under high‐temperature conditions and concentrated sunlight. The main issue is enhancing the efficiency of these cells while also ensuring that they can withstand the
Habib Ullah Manzoor+4 more
wiley +1 more source
Improvement of Catalytic Methane Oxidation by Nitric Acid Treatment on Pt/TiO2
This study investigates the impact of nitric acid (NA) treatment on Pt/TiO2 catalysts for methane oxidation. Optimizing the NA concentration enhances Pt dispersion and catalytic performance by facilitating the formation of surface acidic sites. However, excessive treatment results in Pt particle aggregation and diminished activity. These findings offer
Jiseok Park+6 more
wiley +1 more source
Recent Progress on Cerium Oxide‐Based Nanostructures for Energy and Environmental Applications
This review covers significant aspects, from CeO2's fundamental properties and synthesis methods to specific applications and emerging trends. With unique features such as redox reactivity, biocompatibility, and high oxygen storage, CeO2 is an excellent catalyst for water splitting, CO2 conversion, energy storage, and remediating environmental ...
Schindra Kumar Ray+5 more
wiley +1 more source
This review highlights advanced methods for detecting and managing over‐humidification in polymer electrolyte fuel cells (PEFCs), emphasizing innovative sensors, simulation techniques, and imaging methods. By addressing the impact of water management on fuel‐cell performance and durability, this study outlines practical and sustainable solutions for ...
Maximilian Käfer+2 more
wiley +1 more source