Why are neodymium magnets favored by new energy vehicles？

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Jul 28, 2023

At present, it is widely believed that fuel vehicles will eventually be replaced by new energy vehicles. New energy vehicles with the concept of green and low-carbon development will promote the sustainable development of the world automobile industry. At the same time, under the guidance of new energy vehicles, the demand for Ndfeb permanent magnets has been pushed to a climax.

First of all, strong Ndfeb neodymium magnet has the characteristics of high magnetic energy product, high intrinsic coercivity, high remanence, etc., which will help the driving motor to achieve efficient operation, thereby improving the efficiency of electric vehicles and reducing energy consumption.

Neodymium	Br		Hcb		Hcj		(Bh)max		Tw
Grade	mT	kGs	kA/m	kOe	kA/m	kOe	kJ/m3	MGOe	℃
N35	1170-1220	11.7-12.2	＞868	＞10.9	＞955	＞12	263-287	33-36	＜80
N38	1220-1250	12.2-12.5	＞899	＞11.3	＞955	＞12	287-310	38-39	＜80
N40	1250-1280	12.5-12.8	＞907	＞11.4	＞955	＞12	302-326	38-41	＜80
N42	1280-1320	12.8-13.2	＞915	＞11.5	＞955	＞12	318-342	40-43	＜80
N48	1380-1420	13.8-14.2	＞923	＞11.6	＞955	＞12	366-390	46-49	＜80
N50	1400-1450	14.0-14.5	＞796	＞10	＞876	＞11	382-406	48-49	＜80
N52	1430-1480	14.3-14.8	＞796	＞10	＞876	＞11	398-422	50-53	＜80
35M	1170-1220	11.7-12.2	＞868	＞10.9	＞1114	＞14	263-297	33-36	＜100
38M	1220-1250	12.2-12.5	＞899	＞11.3	＞1114	＞14	297-310	36-39	＜100
40M	1250-1280	12.5-12.8	＞923	＞11.6	＞1114	＞14	302-326	38-41	＜100
42M	1280-1320	12.8-13.2	＞955	＞12	＞1114	＞14	318-342	40-43	＜100
48M	1360-1430	13.6-14.3	＞1027	＞12.9	＞1114	＞14	366-390	46-49	＜100
50M	1400-1450	14.0-14.5	＞1033	＞13	＞1114	＞14	382-406	48-51	＜100
33H	1130-1170	11.3-11.7	＞836	＞10.5	＞1353	＞17	247-271	31-34	＜120
35H	1170-1220	11.7-12.2	＞868	＞10.9	＞1353	＞17	263-287	33-36	＜120
38H	1220-1250	12.2-12.5	＞899	＞11.3	＞1353	＞17	287-310	36-39	＜120
40H	1250-1280	12.5-12.8	＞923	＞11.6	＞1353	＞17	302-326	38-41	＜120
42H	1280-1320	12.8-13.2	＞955	＞12	＞1353	＞17	318-342	40-43	＜120
45H	1300-1360	13-13.6	＞963	＞12.1	＞1353	＞17	326-358	43-46	＜120
48H	1370-1430	13.7-14.3	＞995	＞12	＞1353	＞17	366-390	46-49	＜120
30SH	1080-1130	10.8-11.3	＞804	＞10.1	＞1592	＞20	223-247	28-31	＜150
33SH	1130-1170	10.3-11.7	＞844	＞10.6	＞1592	＞20	247-271	31-34	＜150
35SH	1170-1220	11.7-12.2	＞876	＞11	＞1592	＞20	263-287	33-36	＜150
38SH	1220-1250	12.2-12.5	＞907	＞11.4	＞1592	＞20	287-310	36-39	＜150
40SH	1240-1280	12.5-12.8	＞939	＞11.8	＞1592	＞20	302-326	36-41	＜150
42SH	1280-1320	12.8-13.2	＞987	＞12.4	＞1592	＞20	318-342	40-43	＜150
45SH	1320-1380	13.2-13.8	＞1003	＞12.6	＞1592	＞20	342-366	43-46	＜150
28UH	1020-1080	10.2-10.8	＞764	＞9.6	＞1990	＞25	207-231	26-29	＜180
30UH	1080-1130	10.8-11.3	＞812	＞10.2	＞1990	＞25	223-247	28-31	＜180
33UH	1130-1170	11.3-11.7	＞852	＞10.7	＞1990	＞25	247-271	31-36	＜180
35UH	1170-1220	11.8-12.2	＞860	＞10.8	＞1990	＞25	263-287	33-36	＜180
38UH	1220-1250	12.2-12.5	＞876	＞11	＞1990	＞25	287-310	36-39	＜180
40UH	1250-1280	12.5-12.8	＞899	＞11.3	＞1990	＞25	302-326	31-41	＜180
28EH	1040-1090	10.4-10.9	＞780	＞9.8	＞2388	＞30	207-231	26-29	＜200
30EH	1080-1130	10.8-11.3	＞812	＞10.2	＞2388	＞30	223-247	28-31	＜200
33EH	1130-1170	11.3-11.7	＞836	＞10.5	＞2388	＞30	247-271	31-36	＜200
35EH	1170-1220	11.7-12.2	＞876	＞11	＞2388	＞30	263-287	33-36	＜200
38EH	1220-1250	12.2-12.5	＞899	＞11.3	＞2388	＞30	287-310	36-39	＜200
28AH	1040-1090	10.4-10.9	＞787	＞9.9	＞2642	＞33	207-231	26-29	＜230
30AH	1080-1130	10.8-11.3	＞819	＞10.3	＞2642	＞33	223-247	28-31	＜230
38AH	1130-1170	11.3-11.7	＞843	＞10.6	＞2642	＞33	247-271	31-34	＜230

Secondly, various sensors on the car are also a new scenario for the application of Ndfeb magnets. Neodymium magnets have the characteristic of being small but dense, which means that they can generate very powerful magnetic fields at relatively small sizes. Neodymium magnets of different sizes and shapes save space in the motor more effectively. Such as distance sensors, brake sensors, safety sensors, etc.

Moreover, permanent magnets will also be used in the charging system of new energy vehicles. Ndfeb can provide higher power density and speed, thereby improving the efficiency of the charger, reducing charging time, on the other hand, increasing the driving range of the car and extending the service life of the battery.

the driving motor to achieve efficient operation

Finally, rare earth neodymium magnet instead of chemical fuel, reduce the impact on the environment, neodymium magnet strong magnetic service life is long, reduce energy consumption, at the same time, with the improvement of environmental awareness and technological progress, the production process of Neodymium magnet is more environmentally friendly.

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Why are neodymium magnets favored by new energy vehicles？