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Comparison of fuel cell and lithium battery

by:dcfpower     2021-03-23
Many people know very little about lithium batteries, and they are completely unclear about the difference between fuel cells and lithium batteries. How to decide during the selection process? The following is an analysis of these two power supplies. Fuel Cell is a power generation device that directly converts the chemical energy in fuel and oxidant into electrical energy. It involves related theories of chemical thermodynamics, electrochemistry, electrocatalysis, materials science, power systems and automatic control, and has the advantages of high power generation efficiency and less environmental pollution. Fuel cells have a wide range of applications, including military, space, and power plants, as well as motor vehicles, mobile equipment, and residential homes. Early fuel cell development focused on professional applications such as military space and distributed power generation above kilowatts. The first car in the world to use lithium-ion batteries was the 2009 Mercedes-Benz S400 hybrid car, and more and more other car manufacturers have begun to do the same. It is understood that approximately 86% of global electric vehicles will use lithium-ion batteries for power supply in the past 10 years. Lithium batteries are the core power batteries for electric vehicles. Compared with mature lead-acid batteries, lithium-ion batteries have higher energy storage per unit weight, are not expensive, and are basically non-toxic. Therefore, current new energy vehicles generally tend to use lithium iron phosphate and lithium manganate batteries. It has the advantages of high energy, long service life, light weight, green and environmental protection, but also faces some technical problems. For many years, people have been trying to find energy utilization methods that have higher energy utilization efficiency and do not pollute the environment, and fuel cells are an ideal power generation technology. However, fuel cells are very complex, involving many disciplines related theories such as chemical thermodynamics, electrochemistry, electrocatalysis, materials science, power systems and automatic control, and there are still many technical difficulties that have not been overcome! The development of lithium-ion batteries is facing the problem of low integrity of charging infrastructure. With the rise of Tesla vehicles, the completeness of the national charging facility system has gradually improved, so that this problem will be solved. u003c/pu003e
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