How Fuel Cells Work The principle of fuel cell power generation is similar to that of primary batteries or secondary batteries. Hydrogen oxidation and oxygen reduction reactions occur on both sides of the electrolyte diaphragm, and electrons do work through an external circuit, and the reaction product is water. However, unlike the primary battery, the reactants in the fuel cell are not pre-stored inside the battery, but when [...]
Classification of Transistors In the past 100 years, during the development of semiconductor transistors, pioneering scientists and engineers have constantly tried various device structures and device materials to meet the requirements of integrated circuit characteristics in different fields. Various semiconductor devices are produced. Semiconductors are inherently abstract and elusive. The various names and abbreviations of semiconductors also make semiconductors more unpredictable, which brings many troubles to the electronics [...]
Minimally Invasive Interventional Medicine Minimally invasive interventional medicine is an emerging medical technology that uses a series of interventional equipment and modern equipment to reach the lesion in the body, so as to achieve the effect of minimally invasive treatment. Different from traditional surgical operations, it has the advantages of only local anesthesia, small trauma, high safety factor, and fast postoperative recovery, which greatly reduces the pain of [...]
Fuel Cell Distributed Power Generation The distributed cogeneration system is directly aimed at end users. Compared with the traditional energy consumption mode of centralized production, transportation, and end consumption, the distributed energy supply system directly provides users with different energy categories, which can minimize transportation consumption. , and effectively utilize the waste heat generated in the power generation process, thereby improving energy utilization efficiency. Fuel cell distributed power [...]
Medical Intervention Catheter Vascular interventional catheters are high-value consumables commonly used in doctors' operations. A thin catheter can help the surgeon solve problems. With the continuous development of science and technology, and the continuous improvement of product performance requirements of patients for medical devices, various factors promote the continuous change of production materials for vascular interventional catheters. How did the materials for vascular interventional catheters develop? This needs [...]
Main Types of Fuel Cells Generally, fuel cells can be divided into phosphoric acid fuel cells, solid oxide fuel cells, alkaline fuel cells, proton exchange membrane fuel cells, lysocarbonate fuel cells, etc. In recent years, with the deepening of fuel cell research, direct carbon fuel cells, microbial fuel cells, direct methanol fuel cells, glucose/O2 enzyme fuel cells, etc. have gradually emerged. Among the above types, the earliest developed [...]
Electrospun Fiber Electrospun fibers shine in the fields of orthopedics and artificial vascular stents Why Choose Electrospinning Technology With the development of nanotechnology and the emergence of polymer materials, synthetic nanofibers are gradually known and widely used in catalysis, energy, biomedicine and other fields. Among the many preparation methods of synthetic nanofibers, electrospinning has become one of the best choices due to its simplicity, quickness, cost-effectiveness and high [...]
Post-Moore era In the past forty years, the continuous development of technology and architecture design has jointly promoted the continuous advancement of Moore's Law. Even today, there are still 3nm, 2nm, and 1nm advanced technologies that are far away on the horizon. However, in terms of actual trends, higher technology, more cores, and larger chip areas can no longer bring the comprehensive advantages of cost, performance, and power [...]
How Can Hydrogen Change Life? Compared with electric energy, hydrogen energy is convenient for storage and transportation, and can be used as an energy carrier instead of electric energy to participate in transportation, power generation, energy storage, industry and other fields. In the future, we will see hydrogen fuel cell large trucks in mining areas, ports, industrial parks and other areas with high operational intensity and fixed driving [...]
Definition of Interventional Therapy 1. Definition of Interventional Therapy Interventional treatment is an emerging treatment method between surgery and medical treatment. To put it simply, interventional therapy is to make tiny channels with a diameter of a few millimeters on blood vessels and skin without exposing the lesion by surgery, or through the original pipeline of the human body, in the imaging equipment (angiography machine, fluoroscopy machine, CT, [...]
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