“Magneto King” – NdFeB Magnet
Permanent magnet materials are mainly divided into metal alloy permanent magnet materials, ferrite permanent magnet materials, and rare earth permanent magnet materials. Rare earth materials are further divided into samarium cobalt permanent magnet materials and neodymium iron boron permanent magnet materials. Rare earth permanent magnet materials are metallic And the third generation of permanent magnet materials successfully developed after the ferrite system.
The “high price” permanent magnet materials here are mainly neodymium iron boron magnets (NdFeB magnets), which are tetragonal crystals formed by neodymium, iron, and boron (Nd2Fe14B), so permanent magnet synchronous motors are also called “NdFeB magnets”. Motor”. In 1982, Masato Sagawa of Japan’s Sumitomo Special Metals discovered neodymium magnets, which have a greater magnetic energy product than samarium-cobalt magnets.
Magneto King – NdFeB Magnet
Neodymium is a rare earth element. China is the country with the largest rare earth reserves in the world and the largest exporter of rare earths in the world. It is estimated that there are 44 million tons of rare earth reserves, and it is also the global rare earth magnetic material manufacturing center. Zhongke Sanhuan is a leading NdFeB enterprise in China and the second largest NdFeB manufacturer in the world. About 55% of its products are used in automotive motors (including new energy vehicle drive motors). In addition, China also has major rare earth permanent magnet manufacturers such as Ningbo Yunsheng, Zhenghai Magnetic Materials, Jinli Permanent Magnet, and Yingluohua.
On the supply and demand side, in recent years, affected by the rapid development of downstream enterprises such as new energy vehicles, electronics industry, and wind power industry, the demand for rare earths has increased significantly. According to data released by Zhiyan Consulting, from 2020 to 2022, the global demand for high-performance NdFeB for new energy vehicles will reach 16,700 tons, 23,400 tons, and 30,900 tons, respectively, with growth rates of 46%, 40%, and 42% respectively. .
According to the data of China Rare Earth Industry Association, in 2018, the global output of NdFeB material blanks was 185,000 tons, and China’s output was 157,000 tons; in 2019, the output of sintered NdFeB blanks in my country was about 170,000 tons, a year-on-year increase of 9.7%. On April 29, the Ministry of Industry and Information Technology’s Ministry of Industry and Information Technology announced that the output of sintered NdFeB blanks in my country in the first quarter of 2022 was 68,500 tons, a year-on-year increase of 30%.
With the country’s continuous emphasis on energy saving and consumption reduction, the penetration rate of NdFeB in energy-saving inverter air conditioners, energy-saving elevators, robots and intelligent manufacturing continues to increase, driving its demand for high-performance NdFeB permanent magnet materials to grow steadily. However, NdFeB also has high and low points. Low-end NdFeB is mostly used in magnetic adsorption, electric bicycles and other fields, while high-end NdFeB will appear in automobiles, wind power, and high-end electrical and electronic products.
According to statistics, about half of high-performance NdFeB is used in the automotive industry, and two-thirds of it is used in the EPS electronic steering system of traditional fuel vehicles. As the proportion of new energy vehicles increases, the number of motors required will increase, and the demand for NdFeB will also increase.
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