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This is the latest direction in the field of new energy research in 2009. The original name is called “thermal magnetic oscillation power generation technologyâ€. When it is applied to mobile power equipment such as automobiles, it may become an alternative to hydrogen fuel cells. "Physical fuel cell." It is currently in the early stage of development research. working principle
By rapidly heating and cooling a section of the soft magnetic body in the magnetic circuit, the temperature periodically oscillates above and below its Curie point, causing the magnetic flux in the magnetic circuit coil to periodically increase and decrease, thereby inducing continuous alternating current. Energy is generated by combustion and then directly converted into electrical energy. Its technical principle is the physical principle, and the battery in the usual concept is a chemical principle, and the two are not the same thing. advantage
With the external combustion mode, the power generation process is efficient and stable, and the fuel properties are not high. Even solid fuels can be used as energy sources. The heat energy can be directly and efficiently converted into electric energy, and the intermediate link of a mechanical transmission is reduced, and the calculated value is above 40%; the moving component has only one piston, and the mechanical transmission system is omitted, so the service life is long, the maintenance is small, and the realization cost is low. The technical difficulty is small. Current fuel cells generate electrical energy through low-temperature chemistry, which is difficult to convert commercially due to the need for catalysts and fuel requirements. This technology completely overcomes the aforementioned weaknesses of chemical fuel cells. Comprehensive analysis table of advantages and disadvantages of various energy programs
In the above table, the three indicators of energy source, energy efficiency and emissions determine the new energy characteristics of the program, that is, the government's policy support; the three indicators of manufacturing cost, use cost, and maintenance cost determine the market cost of the program, supplement fuel, The four indicators of power, weight, mileage and supporting equipment determine the competitiveness of the program, that is, the degree of user acceptance. It can be seen from the above table that although pure battery power and hydrogen fuel cells have better new energy characteristics, the market competitiveness is weak, and hybrid power has a slight advantage. Therefore, hybrid power is a transitional solution, pure battery power is an auxiliary solution, and hydrogen fuel cells are difficult to implement. Physical fuel cells have a wide range of development prospects, taking into account the new energy characteristics, market and user advantages. category Energy source energy efficiency emission manufacturing cost The cost Maintenance cost Refueling power weight driven distance Grouped equipment Common internal combustion engine Restricted low difference general general general Convenience Big light >400 perfect Pure battery power general highest no high lowest high inconvenient small weight <300 imperfect Hybrid Restricted Higher general Higher general highest Convenience general Heavier >500 perfect Hydrogen fuel cell difficult high no high highest high inconvenient small general <300 imperfect Physical fuel cell rich general general low low low Convenience Big light >600 Scalable Scope of application
New energy vehicles, ships and other power equipment, distributed power generation. 