Results 31 to 40 of about 834 (262)
Reversible protonic ceramic electrochemical cells (R‐PCECs) face challenges from sluggish and unstable oxygen reduction and evolution reactions in the air electrode. This review discusses recent progress in triple‐conducting air electrodes, emphasizing mechanisms, performance factors, and design strategies, offering guidance for creating efficient and ...
Xi Chen+8 more
wiley +1 more source
Carbon‐based piezoelectric materials are systematically categorized based on their structural and functional properties. The mechanisms of stress‐induced charge transfer are elucidated, and their applications are explored across three key domains: piezoelectric catalysis for energy conversion and environmental remediation, piezoelectric biomedical ...
Mude Zhu+3 more
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Study on the effect of fluid-structure coupling on the outlet Piping of reciprocating compressor
Wei Yuan, Ying Wang, Zhao Jie
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This article explores the development of materials with multi‐scale control at the nanoscale (<100 nm), micrometer‐scale (80 µm), and macro‐scale (multi‐component geometries). This is achieved by applying polymerization‐induced microphase separation (PIMS) process via volumetric 3D printing (Xolography), expanding the design space for functional ...
Xichuan Li+5 more
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Protonic ceramic electrolysis cells (PCECs) are a promising intermediate‐temperature hydrogen production technology, leveraging high proton conductivity in electrolytes yet constrained by insufficient catalytic activity and interfacial instability in fuel/air electrodes. This review systematically categorizes advanced electrode materials and critically
Zhipeng Liu+6 more
wiley +1 more source
Capillary‐Driven 3D Open Fluidic Networks for Versatile Continuous Flow Manipulation
The capillary‐driven 3D open fluidic networks (OFNs), composed of connected polyhedral frames, enable precise, programmable, and versatile manipulation of unary, binary, and multiple continuous flows in both spatial and temporal dimensions. OFNs represent a significant leap beyond conventional microfluidics, unlocking new possibilities for selective ...
Shuangmei Wu+4 more
wiley +1 more source
Thermoelasticity Coupling Transient Response of Composite‐Material Direction Pipe
Based on the positive scheme method, the thermal load of the jet flow in an inner composite‐material direction pipe is obtained, and the thermoelasticity coupling transient response is investigated. The positive scheme method with second‐order accuracy is extended for solving the axisymmetric Euler equations, and the supersonic axisymmetric jet flow ...
Jian-lin Zhong, Jie Ren, Da-wei Ma
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This review discusses recent innovations in electrochemical CO2 reduction reactions (eCO2RR) and hydrogen evolution reaction cell designs. The latest advancements in in situ cells for operando characterization are also presented. Optimizations in flow patterns, membrane electrode assemblies, electrolyte engineering, and counter‐anodic reactions provide
Zhangsen Chen+3 more
wiley +1 more source
Pipe Networks: Coupling Constants in a Junction for the Isentropic Euler Equations
AbstractThe modelling of junctions in pipe networks with subsonic flows is discussed, where pipes are described by one-dimensional, single-phase isentropic flow models. We first study the Riemann problem in a pipe to understand what information is needed to couple two pipes in a flat junction. Using this insight, we generalise the Riemann problem to an
Morin, Alexandre+1 more
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High‐entropy materials (HEMs), typically composed of five or more principal elements in near‐equimolar ratios, offer significant potential due to their unique properties. This review outlines the emergence and structural evolution of HEMs, followed by an in‐depth discussion of the elemental roles (active sites, promoters, or stabilizers) for water ...
Yufei Zhao+9 more
wiley +1 more source