In recent years, as oil prices continue to rise and coal resources are facing depletion, people have begun to pay more and more attention to the development and utilization of new energy. Energy is the foundation of economic development. Without energy, there would be no modern civilization. However, the energy on the earth we live on is limited, and humans have been making unremitting efforts to make full use of energy. However, the traditional way of utilizing energy has not achieved full utilization of energy, and has caused waste water, waste gas, noise and other pollution to the environment, which has not achieved very good results. For the battery industry, people have been looking for a battery technology that can improve energy efficiency without polluting the environment for many years. It is believed that fuel cell power generation technology may provide a good solution.

　　The principle of the fuel cell is to directly convert the chemical energy in the fuel and oxidant into electrical energy. By continuously supplying the fuel and oxidant to the fuel cell, the fuel cell can achieve continuous power generation. The energy conversion efficiency of fuel cells is high, pollution-free, low noise, and the structure has strong ability to adapt to the environment. It can decentralize power supply or achieve centralized power supply.

　　The relevant theories of chemical thermodynamics, electrochemistry, electrocatalysis, materials science, power systems and automatic control involved in fuel cells are very complex, and they have the advantages of high power generation efficiency and low environmental pollution. In 1839, the British invented a simple hydrogen-oxygen fuel cell using platinum black as the electrode catalyst. In 1889, the concept of fuel cells was first proposed. However, because the research progress of generators and electrode process dynamics failed to keep up with the development of fuel cells, it was not until the 1950s that the University of Cambridge in the United Kingdom made a fuel cell with practical power using high-pressure hydrogen and oxygen, marking an achievement in fuel cell research. made substantial progress. In the 1960s, megawatt-level phosphoric acid batteries were successfully developed and began to be used in aerospace. In the 1980s, low-power fuel cells were used in special fields, transportation and other fields.

　　At present, there is still a big gap in the field of fuel cell research in my country. From the perspective of the characteristics of fuel cells and the current energy structure, fuel cells will be a major trend in future development. my country's battery industry should introduce and absorb advanced foreign fuel cell technology and vigorously promote independent innovation of fuel cells.

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