Key Degradation Mechanisms in PEM Water Electrolysis Summary In PEM water electrolysis technology, degradation at the anode (oxygen evolution side) is a critical bottleneck limiting electrolyzer lifespan and cost control. The two most pivotal degradation mechanisms are the dissolution of the platinum-coated titanium diffusion layer and the oxidation and dissolution of the iridium-based catalyst. The following section details these two mechanisms, their interrelationships, and potential mitigation strategies. I. [...]

Pt Loading & Hot Pressing for Ultrasonic Spray PEMFC Electrodes Pt loading-dependent effects of hot pressing on ultrasonic-sprayed membrane electrodes for PEM fuel cells With the acceleration of the transition to clean energy, proton exchange membrane fuel cells have become the core technology for hydrogen utilization due to their advantages of zero emissions and high energy efficiency, and have broad application prospects in fields such as transportation and [...]

Iron-Doped Magnesium Oxide Thin Films Iron-Doped Magnesium Oxide Thin Films: Novel Nanomaterials with Optimized Photocatalytic Performance As the need for environmental pollution control and clean energy development becomes increasingly urgent, photocatalytic technology has emerged as a core technique in environmental remediation due to its advantages of being green, highly efficient, and free from secondary pollution. Metal oxide nanomaterials serve as the fundamental substrates in photocatalysis; among them, magnesium [...]

Chalcogenide Perovskite Thin Films by Ultrasonic Spray Pyrolysis Perovskite materials are currently a focal point of research in optoelectronics, including fields such as photodetection and solar energy utilization. Compared to the widely used halide perovskites, chalcogenide perovskites—distinguished by their excellent structural stability and unique optoelectronic properties—have emerged as promising new semiconductor materials. They hold the potential to overcome the performance limitations of traditional optoelectronic materials and are suitable [...]

Hot Pressing of Ultrasonic Sprayed MEA with Different Pt Loadings Pt loading-dependent effects of hot pressing on ultrasonic-sprayed membrane electrodes for PEM fuel cells Hydrogen energy, as a clean and low-carbon new energy carrier, is playing a vital role in the global energy transition. Proton exchange membrane fuel cells (PEMFCs) are one of the core devices for hydrogen energy utilization. They directly convert the chemical energy of hydrogen [...]

CuFe2O4/CuO Bilayer Protective Coating Deposited CuFe2O4/CuO bilayer protective coating deposited onto SUS430 interconnects by ultrasonic sprayed for solid oxide fuel cells In the field of clean energy, solid oxide fuel cells (SOFCs) are a power generation device with great development potential. They can directly convert the chemical energy in fuels such as natural gas and hydrogen into electrical energy, with an energy conversion efficiency far exceeding that of [...]

Ultrasonic Coating for Pt-Ti Diffusion Layer and Ir-Based Catalyst In proton exchange membrane water electrolysis (PEMWE) technology, ultrasonic coating is one of the commonly used processes for the preparation of traditional membrane electrode assemblies (MEAs), mainly used to form platinum coatings or iridium based catalyst layers on the surface of titanium based porous transport layers (PTLs). Its core principle is to mix the metal (platinum/iridium) catalyst with ionomer [...]

Ultrasonic Coating of Cobalt-Based Catalysts Ultrasonic Coating of Cobalt-Based Catalysts Facilitates the Precise Conversion of CO₂ to Methanol Guided by "dual-carbon" goals, the resource utilization of CO₂ has become a key pathway to addressing energy crises and environmental issues. Electrochemical reduction of CO₂ to methanol has garnered significant attention due to its mild operating conditions and the high value of the product; however, a core challenge lies [...]

Technical Route for Hydrogen Production via Water Electrolysis Electrolyzer Technology Analysis: Water Electrolysis Hydrogen Production Pathways from Lab to Large-Scale Commercialization The global hydrogen energy industry is experiencing rapid expansion, driving continuous growth in the installed capacity of water electrolysis electrolyzers. As the core equipment for green hydrogen production, electrolyzer technology directly determines the production efficiency, cost, and scalable potential of hydrogen energy. Currently, three mainstream water electrolysis [...]