CR2032 button cell.Fuel cell technology classification

　　Fuel cell technology classification

　　The types of fuel cells can be roughly classified as follows according to different methods: 1. According to the operating mechanism of fuel cells. Divided into acid fuel cells and alkaline fuel cells. 2. Depending on the type of electrolyte, there are acidic, alkaline, molten salts or solid electrolytes. Therefore, fuel cells can be divided into alkaline fuel cells (AFC), phosphoric acid fuel cells (pAFC), molten carbonate fuel cells (MCFC), solid oxide fuel cells (SOFC), proton exchange membrane fuel cells (pEMFC), etc. . 3. According to fuel type. There are organic fuels such as hydrogen, methanol, methane, ethane, toluene, butylene, butane, and gaseous fuels such as gasoline, diesel, and natural gas. Organic fuels and gaseous fuels must be "reformed" into hydrogen through a reformer before they can become hydrogen. Fuel for fuel cells. 4. According to the fuel cell operating temperature. There are low-temperature types, with temperatures below 200°C; medium-temperature types, with temperatures between 200 and 750°C; and high-temperature types, with temperatures above 750°C. The other type is fuel cells that work at high temperatures (600-1000°C), such as molten carbonate fuel cells (MCFC) and solid oxide fuel cells (SOFC). This type of fuel cell does not require the use of precious metals as catalysts. However, due to the high operating temperature, a composite waste heat recovery device needs to be used to utilize waste heat. It is large in size and heavy in mass, and is only suitable for use in high-power power plants.

　　Fuel Cell - Features and Principles The tube can maintain high power generation efficiency whether it is full load or part load;

　　High power generation efficiency can be maintained regardless of the size of the device;

　　Has strong overload capability;

　　A wide range of fuels can be applied by combining with the fuel supply device;

　　The power generation output is determined by the output of the battery stack and the number of groups, and the unit capacity has a large degree of freedom;

　　The battery body has good load response and is better than other power generation methods when used for grid peak shaving;

　　When natural gas, coal gas, etc. are used as fuel, the emissions of NOX and SOX are small, and the environmental compatibility is excellent.

　　Such power generation systems composed of fuel cells are extremely attractive to the power industry.

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