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Confined Ni nanoparticles in N-doped carbon nanotubes for excellent pH-universal industrial-level electrocatalytic CO reduction and Zn-CO battery.
J Colloid Interface Sci
March 2024
School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255049, China; Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China. Electronic address:
Electrocatalytic reduction of CO (ECR) offers a promising approach to curbed carbon emissions and complete carbon cycles. However, the inevitable creation of carbonates and limited CO utilization efficiency in neutral or alkaline electrolytes result in low energy efficiency, carbon losses and its widespread commercial utilization. The advancement of CO reduction under acidic conditions offers a promising approach for their commercial utilization, but the inhibition of hydrogen evolution reaction and the corrosion of catalysts are still challenging.
View Article and Find Full Text PDFEfficient self-cleaning and antibacterial ceramics with ultra-low doping and high exposure of silver.
J Hazard Mater
January 2024
Jiangxi Province Key Laboratory of Cleaner Production of Rare Earths, Key Laboratory of Rare Earth, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou 341000, China; School of Resource and Environment, Nanchang University, Nanchang 330031, China. Electronic address:
Article Synopsis
- The secondary bacterial infections from COVID-19 increase mortality rates, leading to a focus on silver-based antibacterial ceramics as a solution to reduce reliance on disinfectants.
- Researchers developed a new method for embedding silver nanoparticles into glass ceramics, achieving low silver content with high dispersion and stability, resulting in effective antibacterial properties.
- The created materials demonstrated significant degradation of pollutants and complete inactivation of harmful bacteria under visible light, along with insights into their antibacterial and charge transfer mechanisms.
Porous Material (Titanium Gas Diffusion Layer) in Proton Exchange Membrane Fuel Cell/Electrolyzer: Fabrication Methods & GeoDict: A Critical Review.
Materials (Basel)
June 2023
Industrial Technology, University of Science and Technology, Daejeon 34113, Republic of Korea.
Proton exchange membrane fuel cell (PEMFC) is a renewable energy source rapidly approaching commercial viability. The performance is significantly affected by the transfer of fluid, charges, and heat; gas diffusion layer (GDL) is primarily concerned with the consistent transfer of these components, which are heavily influenced by the material and design. High-efficiency GDL must have excellent thermal conductivity, electrical conductivity, permeability, corrosion resistance, and high mechanical characteristics.
View Article and Find Full Text PDFEffects of cold plasma, high hydrostatic pressure, ultrasound, and high-pressure carbon dioxide pretreatments on the quality characteristics of vacuum freeze-dried jujube slices.
Ultrason Sonochem
November 2022
College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruit and Vegetable Processing, Beijing 100083, China; Key Laboratory of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; Beijing Key Laboratory for Food Non-thermal Processing, Beijing 100083, China. Electronic address:
Pretreatment combined with vacuum freeze-drying is an effective technique to extend the storage period of jujube fruits and reduce energy consumption and cost; however, the effects of pretreatment on the quality characteristics of jujube during vacuum freeze-drying remain unknown. In this study, the effects of cold plasma (CP), high hydrostatic pressure (HHP), ultrasound (US), high-pressure carbon dioxide (HPCD), and conventional blanching (BC) as pretreatments on the performance of vacuum freeze-dried jujube slices were investigated. The results indicated that the application of different pretreatments decreased the water activity and increased the rehydration capacity, owing to the pretreatment etching larger and more porous holes in the microstructure.
View Article and Find Full Text PDFHighly dispersive Ru confined in porous ultrathin g-CN nanosheets as an efficient peroxymonosulfate activator for removal of organic pollutants.
J Hazard Mater
August 2022
School of Science, Edith Cowan University, Joondalup, WA 6027, Australia. Electronic address:
Ru species were loaded on a two-dimensional (2D) material of graphitic carbon nitride (2D g-CN) to serve as the efficient AOP catalysts. The catalytic activity was closely related to the dispersion degree of Ru, as determined by the inherent nanoarchitecture of the supporting material. Ultrathin g-CN nanosheets with a unique porous structure were fabricated by further thermally oxidizing and etching bulk g-CN (bCN) in air.
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