A5014692849- Electrocatalysts for Energy Conversion
- Additive Manufacturing Materials and Processes
- Fuel Cells and Related Materials
- Advanced battery technologies research
- Hydrogen Storage and Materials
- Additive Manufacturing and 3D Printing Technologies
- Electrochemical Analysis and Applications
- Engineering Education and Curriculum Development
- High Entropy Alloys Studies
- Welding Techniques and Residual Stresses
- Catalytic Processes in Materials Science
- Career Development and Diversity
- Advanced Radiotherapy Techniques
- Interdisciplinary Research and Collaboration
- Catalysis and Hydrodesulfurization Studies
- Advanced Memory and Neural Computing
- Radiomics and Machine Learning in Medical Imaging
- Copper-based nanomaterials and applications
- Machine Learning in Materials Science
- Biomedical and Engineering Education
- Advanced Battery Materials and Technologies
- Data Management and Algorithms
- Hybrid Renewable Energy Systems
- Electronic and Structural Properties of Oxides
- Head and Neck Cancer Studies
Harbin Institute of Technology
2024
Northwestern University
2023-2024
University of Washington
2024
American Society For Engineering Education
2024
Xiamen Tobacco Industry (China)
2024
Inner Mongolia University of Science and Technology
2023
Chengdu University of Technology
2022
Inner Mongolia University of Technology
2022
City Of Hope National Medical Center
2020
Abstract An improved understanding of catalyst dynamics for the oxygen evolution reaction (OER) in acid is critical informing development highly efficient, stable, and cost‐effective OER catalysts proton exchange membrane water electrolysis applications. Herein tunable, active, dynamic Ir 5+ materials are studied, Ln 3 IrO 7 (Ln = Pr, Nd, Sm, Eu). Leveraging a combination situ ex characterization, as well an advanced mercury underpotential deposition technique surface site quantification,...
Earth-abundant manganese-based oxides have emerged as promising alternatives to noble-metal-based catalysts for the oxygen evolution reaction (OER) in acidic conditions; however, their inferior activity and stability present critical challenges sustainable production of hydrogen via water electrolysis. Moving beyond oxides, heteroanionic materials, which incorporate anions with lower electronegativity than oxygen, shown potential improving OER performance, but a detailed understanding...
The arc torch angle greatly affected the deposition characteristics in wire additive manufacturing (WAAM) process, and relation between droplet transition behavior macrostructure morphology was unclear. This work researched effect of on formation accuracy, mechanical properties WAAM process a ZL205A aluminum alloy. results suggested that at obtuse angle, part energy input used to heat existing molten pool, which optimized for longer solidification period pool. Therefore, greater layer...
Sub-atmospheric pressure environment and oscillation laser are both excellent ways to improve welded joint quality. However, the differences in their effects mechanisms unclear. Therefore, between sub-atmospheric oscillating weld formation, porosity suppression grain size refinement were analyzed this study. The results revealed that penetration depth of was increased 6.09 mm under while it decreased 3.3 laser. Furthermore, reducing fluctuating vapor suppressing vortex formation main means...
The development of active and acid-stable iridium-based catalysts is crucial to meet the requirements proton exchange membrane technologies for sustainable production hydrogen via water electrolysis. However, long-term stability remains a critical challenge. In this work, we focus on Ca2IrO4 catalyst develop holistic picture electronic geometric structure evolution under various applied potentials by probing electrochemically surface area, metal dissolution, Ir valence, morphology. We...
Abstract As engineers in academic settings, the research we conduct is often geared toward enhancing understanding of or developing new technologies that will impact society. aim to make these beneficial, it critical analyze and engage with our through an equity lens. However, this way thinking neglected engineering curriculum process. Prior studies have revealed positive self-evaluations confidence can be correlated improved motivation setting. Furthermore, anti-racism training has shown...
Abstract The field of engineering has traditionally been taught with the focus on technical content, decoupling scientific and technological advances from societal goals impacts (both intended unintended) stemming those advances. Not all members society equally benefit from, contribute to development of, or bear burdens process solutions challenges. We believe that its impact devalues social justice context can further exacerbate inequities research Further, we this content should be part...
In the recent past, deposition efficiency has been one of most concerned problems in aluminum additive manufacturing. this research, a comparative study on formation quality, microstructures and mechanical properties alloy thin-wall structures between oscillating laser-arc hybrid manufacturing (O-LHAM) wire-arc (WAAM) at high speed was performed. The quality additively manufactured parts under O-LHAM significantly improved compared with WAAM. molten pool overflow eliminated due to higher...
Research drives development of sustainable electrocatalytic technologies, but efforts are hindered by inconsistent reporting advances in catalytic performance. Iridium-based oxide catalysts widely studied for particularly the oxygen evolution reaction (OER) proton exchange membrane water electrolysis, insufficient techniques quantifying electrochemically accessible iridium active sites impede accurate assessment intrinsic activity improvements. We develop mercury underpotential deposition...
Increased demand for green hydrogen as part of a global effort to decarbonize will place significant strain on precious metal resources and drive up the price electrolyzers. This study explores new way producing oxide electrode materials proton exchange membrane electrolyzer cells (PEMECs) that may help decrease material processing costs while potentially improving catalyst lifetime. The method is so-called “exsolution” technique, previously used in high temperature catalysts fuel cell...
The interaction between catalyst surfaces and adsorbed oxygen intermediates is critical to catalytic performance for electrochemical water oxidation oxygen. However, the relationship adsorption energetics electrocatalytic activity primarily assessed pristine materials, which leaves much unknown about dynamics of these properties in during long-term operation. In this work, we experimentally assess OH O on Ca2IrO4 nanoparticles monitor their evolution extensive chronoamperometry tests at...
This paper studies the route selection across desert. Considering different weather conditions, it is necessary to buy a certain amount of water and food. The goal reach destination within specified time retain as much money possible. Based on relevant knowledge probability theory mathematical statistics, this analyzes days sunny, high temperature sandstorm. By excluding case small probability, focuses remaining cases gives optimal path decision.