Chunzhen Yang
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View article: Determining the Effect of Grain Size on the Microstructure and Oxidation of Nuclear Graphite
Determining the Effect of Grain Size on the Microstructure and Oxidation of Nuclear Graphite Open
Fine‐grained nuclear graphite is a key material in high‐temperature gas‐cooled reactors (HTGRs). During air ingress accidents, core graphite components undergo severe oxidation, threatening structural integrity. Therefore, understanding th…
View article: Design and application of an electrochemical cell for <i>operando</i> X-ray diffraction and absorption studies for electrocatalysts
Design and application of an electrochemical cell for <i>operando</i> X-ray diffraction and absorption studies for electrocatalysts Open
The development of advanced catalysts for various electrochemical reactions necessitates precise characterization of their structure and dynamic evolution. This study introduces an innovative electrochemical cell tailored for operando X-ra…
View article: Lab-on-device investigation of phase transition in MoOx semiconductors
Lab-on-device investigation of phase transition in MoOx semiconductors Open
Precise tuning of phase transition material properties enables multifunctional devices for information processing and energy conversion, but controlling on-device phase transitions and monitoring microscopic mechanisms remains challenging.…
View article: Balancing Hydrogen Evolution and Hydrogenation Reaction via Facet Engineering for Efficient Conversion of Nitrate to Ammonia in Actual Wastewater
Balancing Hydrogen Evolution and Hydrogenation Reaction via Facet Engineering for Efficient Conversion of Nitrate to Ammonia in Actual Wastewater Open
Due to the competitive relationship between nitrate reduction reaction (NO 3 − RR) and hydrogen evolution reaction (HER), the conventional approach to improve Faradaic efficiency is to select a catalyst without HER activity. Nevertheless, …
View article: Balancing Hydrogen Evolution and Hydrogenation Reaction via Facet Engineering for Efficient Conversion of Nitrate to Ammonia in Actual Wastewater
Balancing Hydrogen Evolution and Hydrogenation Reaction via Facet Engineering for Efficient Conversion of Nitrate to Ammonia in Actual Wastewater Open
Due to the competitive relationship between nitrate reduction reaction (NO 3 − RR) and hydrogen evolution reaction (HER), the conventional approach to improve Faradaic efficiency is to select a catalyst without HER activity. Nevertheless, …
View article: Laboratory-based X-ray diffractometer with fast time resolution for <i>operando</i> battery studies
Laboratory-based X-ray diffractometer with fast time resolution for <i>operando</i> battery studies Open
Operando X-ray diffraction (XRD) is an important characterization tool for real-time monitoring of structural changes in materials under different reaction conditions. In this study, we developed a laboratory-based diffractometer that coul…
View article: Metal Organic Framework (MOF-808) Incorporated Composite Solid Polymer Electrolyte for Stable All- Solid-State Lithium Batteries
Metal Organic Framework (MOF-808) Incorporated Composite Solid Polymer Electrolyte for Stable All- Solid-State Lithium Batteries Open
All solid-state lithium-ion batteries (ASSBs) are emerging as promising candidates for power applications in electric vehicles and various energy storage systems, garnering significant research interest. However, enhancing the Li+ conducti…
View article: Dynamic Cation Intercalation Facilitating Chemical Oxidation of Water and Surface Stabilization During the Oxygen Evolution Reaction
Dynamic Cation Intercalation Facilitating Chemical Oxidation of Water and Surface Stabilization During the Oxygen Evolution Reaction Open
A comprehensive understanding of the dynamic processes at the catalyst/electrolyte interfaces is crucial for the development of advanced electrocatalysts for the oxygen evolution reaction (OER). However, the chemical processes related to s…
View article: Enabling Highly Efficient Neodymium Luminescence for Near‐Infrared Phosphor‐Converted Light‐Emitting Diode Applications
Enabling Highly Efficient Neodymium Luminescence for Near‐Infrared Phosphor‐Converted Light‐Emitting Diode Applications Open
Near‐infrared (NIR) phosphors have been widely used in biomedical applications based on their deep tissue penetration. However, the lack of blue‐pumped NIR phosphors with emission ranges beyond 1000 nm has greatly limited the development o…
View article: Back Cover: Crystal Engineering of MOF‐Derived Bimetallic Oxide Solid Solution Anchored with Au Nanoparticles for Photocatalytic CO<sub>2</sub> Reduction to Syngas and C<sub>2</sub> Hydrocarbons (Angew. Chem. Int. Ed. 21/2024)
Back Cover: Crystal Engineering of MOF‐Derived Bimetallic Oxide Solid Solution Anchored with Au Nanoparticles for Photocatalytic CO<sub>2</sub> Reduction to Syngas and C<sub>2</sub> Hydrocarbons (Angew. Chem. Int. Ed. 21/2024) Open
Integrating multiple catalytic sites and cooperating synergistically are the keys to achieve efficient photocatalytic CO2 reduction. In their Research Article (e202319177), Lei Li, Qiang Xu et al. report a metal-organic framework-derived Z…
View article: Rücktitelbild: Crystal Engineering of MOF‐Derived Bimetallic Oxide Solid Solution Anchored with Au Nanoparticles for Photocatalytic CO<sub>2</sub> Reduction to Syngas and C<sub>2</sub> Hydrocarbons (Angew. Chem. 21/2024)
Rücktitelbild: Crystal Engineering of MOF‐Derived Bimetallic Oxide Solid Solution Anchored with Au Nanoparticles for Photocatalytic CO<sub>2</sub> Reduction to Syngas and C<sub>2</sub> Hydrocarbons (Angew. Chem. 21/2024) Open
Integrating multiple catalytic sites and cooperating synergistically are the keys to achieve efficient photocatalytic CO2 reduction. In their Research Article (e202319177), Lei Li, Qiang Xu et al. report a metal-organic framework-derived Z…
View article: Synchrotron X‐ray Characterization Techniques for the Development of Aqueous Zinc Ion Batteries
Synchrotron X‐ray Characterization Techniques for the Development of Aqueous Zinc Ion Batteries Open
Developing low‐cost and safe batteries with high energy density is promising for large‐scale energy storage applications. Currently, aqueous zinc ion batteries (AZIBs) using Zn metal as the anode have attracted tremendous research attentio…
View article: Study on Gas–Solid Two–Phase Flow Characteristics of One–Furnace with Two–Tower Semi–Dry Desulfurization in Circulating Fluidized Bed Boiler
Study on Gas–Solid Two–Phase Flow Characteristics of One–Furnace with Two–Tower Semi–Dry Desulfurization in Circulating Fluidized Bed Boiler Open
A single–phase flow model was used to analyze the uniformity of the flow field in the desulfurization tower under different baffle combinations, and a multiphase flow model was used to explain the gas and solid two–phase flow characteristi…
View article: Nickel Foam Electrode with Low Catalyst Loading and High Performance for Alkaline Direct Alcohol Fuel Cells
Nickel Foam Electrode with Low Catalyst Loading and High Performance for Alkaline Direct Alcohol Fuel Cells Open
Nickel foam has a unique three-dimensional (3-D) network structure that helps to effectively utilize catalysts and is often used as an electrode support material for alkaline direct alcohol fuel cells. In this chapter, first, the effect of…
View article: Effects of Electrolyte Additives on Nonaqueous Redox Flow Batteries
Effects of Electrolyte Additives on Nonaqueous Redox Flow Batteries Open
The widespread utilization of nonaqueous redox flow batteries is hindered by the low performance. Including some kinds of additives in electrolyte is a possible and facile solution. In this chapter, the effects of carbon dioxide gas, EC/DM…
View article: Revealing the Reactivity of the Iridium Trioxide Intermediate for the Oxygen Evolution Reaction in Acidic Media
Revealing the Reactivity of the Iridium Trioxide Intermediate for the Oxygen Evolution Reaction in Acidic Media Open
International audience
View article: Revealing the reactivity of the Iridium trioxide intermediate for the oxygen evolution reaction in acidic media
Revealing the reactivity of the Iridium trioxide intermediate for the oxygen evolution reaction in acidic media Open
We report a strategy to isolate IrO3 as an intermediate for the oxygen evolution reaction (OER). Its reactivity is studied using X-ray absorption spectroscopy, X-ray and neutron diffraction and X-ray photoelectron spectroscopy. Its stabili…
View article: Revealing the reactivity of the Iridium trioxide intermediate for the oxygen evolution reaction in acidic media
Revealing the reactivity of the Iridium trioxide intermediate for the oxygen evolution reaction in acidic media Open
We report a strategy to isolate IrO 3 as an intermediate for the oxygen evolution reaction (OER). Its reactivity is studied using X-ray absorption spectroscopy, X-ray and neutron diffraction and X-ray photoelectron spectroscopy. Its stabil…
View article: Revealing pH-Dependent Activities and Surface Instabilities for Ni-Based Electrocatalysts during the Oxygen Evolution Reaction
Revealing pH-Dependent Activities and Surface Instabilities for Ni-Based Electrocatalysts during the Oxygen Evolution Reaction Open
International audience
View article: Numerical Simulation of Temperature Fields in a Three-Dimensional SiC Crystal Growth Furnace with Axisymmetric and Spiral Coils
Numerical Simulation of Temperature Fields in a Three-Dimensional SiC Crystal Growth Furnace with Axisymmetric and Spiral Coils Open
Three-dimensional numerical simulation platform for silicon carbide crystal growth furnace was established using C programing language, where a physical model of the furnace was built based on cylindrical coordinates; governing equations f…