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Boosting Thermal Generation in Cation-Exchanged Transparent MXene Composite Films with Hierarchical Wrinkled Structure.
ACS Appl Mater Interfaces
January 2025
School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, P. R. China.
Efficient thermal generation from solar/electric energy in transparent films remains challenging due to the limited toolbox of high-performance thermal generation materials and methods for microstructure engineering. Here, we proposed a two-step strategy to introduce hierarchical wrinkles to the MXene composite films with high transparency, leading to upgraded photo/electrothermal conversion efficiency. Specifically, the thin film contains protic acid-treated MXene layers assembled with Ag nanowires (H-MXene/Ag NWs).
View Article and Find Full Text PDF[Fermeture de l'oreillette gauche - une alternative à l'anticoagulation permanente en cas de fibrillation auriculaire?].
Praxis (Bern 1994)
November 2022
Rhythmologie Zürich AG, Zürich, Schweiz.
Left Atrial Appendage Closure- An Alternative to Continuous Anticoagulation for Atrial Fibrillation? Approximately 25% of all ischemic insults are caused by cardiac emboli in atrial fibrillation. Therefore, in patients with atrial fibrillation, oral anticoagulation is initiated or transesophageal echocardiography is performed before electroconversion to exclude blood clots in the heart. This shows that virtually all cardiac thrombi (>90%) are localized in the atrial ear.
View Article and Find Full Text PDFReview of the Electrospinning Process and the Electro-Conversion of 5-Hydroxymethylfurfural (HMF) into Added-Value Chemicals.
Materials (Basel)
June 2022
Institut Européen des Membranes, IEM UMR 5635, Univ Montpellier, ENSCM, CNRS, 34090 Montpellier, France.
Electrochemical converters (electrolyzers, fuel cells, and batteries) have gained prominence during the last decade for the unavoidable energy transition and the sustainable synthesis of platform chemicals. One of the key elements of these systems is the electrode material on which the electrochemical reactions occur, and therefore its design will impact their performance. This review focuses on the electrospinning method by examining a number of features of experimental conditions.
View Article and Find Full Text PDFProbing Oxygen-to-Hydrogen Peroxide Electro-Conversion at Electrocatalysts Derived from Polyaniline.
Polymers (Basel)
February 2022
Institut Européen des Membranes, IEM, UMR 5635, Univ Montpellier, ENSCM, CNRS, 34090 Montpellier, France.
Hydrogen peroxide (HO) is a key chemical for many industrial applications, yet it is primarily produced by the energy-intensive anthraquinone process. As part of the Power-to-X scenario of electrosynthesis, the controlled oxygen reduction reaction (ORR) can enable the decentralized and renewable production of HO. We have previously demonstrated that self-supported electrocatalytic materials derived from polyaniline by chemical oxidative polymerization have shown promising activity for the reduction of HO to H in alkaline media.
View Article and Find Full Text PDFElectric conversion treatment of cobalt-containing wastewater.
Water Sci Technol
April 2021
Special Metallurgy and Process Engineering Institute, School of Metallurgy, Northeastern University, Shenyang 110819, China E-mail: Key Laboratory of Ecological Metallurgy of Multi-metal Intergrown Ores of Education Ministry, Shenyang 110819, China.
Long-term accumulation of cobalt-containing wastewater may also pollute groundwater and cause a large amount of loss of valuable metals. Therefore, the comprehensive utilization of cobalt-containing wastewater must be realized, especially as cobalt itself is a very important strategic resource. This paper proposes a membrane electroconversion method to separate cobalt ions from cobalt-containing wastewater and prepare cobalt hydroxide.
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