An air filter mesh is a device used to remove suspended particles, pollutants, and other impurities from the air. It is widely used in various settings, including homes, commercial buildings, industrial equipment, and medical environments, to improve air quality and protect the health of equipment and personnel. It is usually made from various materials such […]
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Since the birth of proton exchange membrane fuel cells (PEMFCs) in the 1950s, scientists worldwide have never ceased their in-depth research on PEMFCs. This has led to significant advancements in performance, lifespan, and cost, resulting in their widespread application in transportation, portable power sources, and distributed power generation, gradually promoting the commercialization of PEMFCs. As
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1. Basic Principles of Proton Exchange Membrane Fuel Cells Proton exchange membrane fuel cells, also known as polymer electrolyte fuel cells, are a type of low-temperature fuel cell that operates at relatively low temperatures (typically below 100 degrees Celsius). This makes them highly versatile in their applications, ranging from powering vehicles to providing backup power
Copper is one of the earliest metals used by humans. As early as prehistoric times, people began mining open-pit copper mines and using the obtained copper to make weapons, jewelry, and various utensils. The use of copper has profoundly influenced the progress of early human civilization. Due to its good ductility, high thermal conductivity, and
Copper Etching: Reasons for using photo etching for copper metal Read More »
How to choose metal etching and metal engraving ? Before considering this question, we should first think about several factors: the scale of the project, the metal material needed, and the fineness and complexity of the patterns. After pondering these questions, you will have the corresponding answers. Below, TMN will provide a series of introductions
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Earlier, we introduced the development events of fuel cells. As we can see, the development of fuel cells over time has been diverse, leading to a variety of types and numerous classification methods. However, the most common classification is based on the type of electrolyte, including “proton exchange membrane fuel cells,” “alkaline fuel cells,” “phosphoric
What are the main differences between PEM fuel cell,FCAFC,MCFC,SOFC and DMFC ? Read More »
This article will focus on the development history of fuel cells, taking you through some important events in their evolution. Discovery of Water Electrolysis The development of fuel cells cannot be discussed without mentioning William Nicholson and Anthony Carlisle. It was their proposal in 1800 to use electricity to decompose water into hydrogen and oxygen
Entering the World of Fuel Cells: Understanding the Development of Fuel Cells Read More »
With the development of technology, mobile phones are becoming increasingly powerful, but we also notice that their thickness and weight are also increasing. Currently, there are rumors that a well-known mobile phone manufacturer might be planning a brand new model that focuses on extreme thinness and lightness. According to related sources, the recently released iPad
The stainless steel etching process involves creating a photomask on the metal using a photoresist, and then selectively removing unwanted stainless steel metal through chemical agents to produce precision components. Stainless steel is a popular metal material in both traditional metal processing and the photochemical etching field. So why choose the photochemical etching process? What
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I. Introduction: With the continuous development of global transportation, the consumption of petroleum by countries around the world is increasing. Among these consumptions, the large-scale popularization of internal combustion engines has led to severe atmospheric pollution and exacerbated the greenhouse effect. To address this issue, the United Nations, the European Union, and the IPCC have
The influence of bipolar plate structure on fuel cell performance Read More »