公开(公告)号：WO2011032432A1

公开(公告)日：2011-03-24

申请号：PCT/CN2010/075594

申请日：2010-07-30

Applicant: BYD COMPANY LIMITED ,  GONG, Qing ,  DENG, Xiaoxia ,  DU, Xin

Inventor： GONG, Qing ,  DENG, Xiaoxia ,  DU, Xin

IPC: H01F1/053

CPC classification number: H01F41/0273 ,  B22F2998/10 ,  B22F2999/00 ,  C22C38/005 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  H01F1/0577 ,  B22F9/08 ,  B22F9/04 ,  B22F1/0059 ,  B22F3/093 ,  B22F2003/248 ,  B22F2009/044 ,  B22F9/023

Abstract: A rare earth permanent magnetic material is provided, which is represented by the general formula of R a-x-y Ho x Dy y Fe 1-a-b-c-d Co d M c B b , wherein x, y, a, b, c and d are weight percentages of corresponding elements, in which 28%≤ a ≤34%, 0.95%≤ b ≤1.3%, 0≤ c ≤1.5%, 1%≤ d ≤10%, 15%≤ x ≤20% and 3%≤ y ≤8%; wherein R is a rare earth element, which is selected from the group consisting of Nd, Pr, La, Ce, Gd, Tb and combinations thereof; and wherein M is selected from the group consisting of Al, Cu, Ti, V, Cr, Zr, Hf, Nb, Sn, Mo, Ga, Si and combinations thereof. A method for preparing the rare earth permanent magnetic material is also provided.

Abstract translation: 提供稀土永磁材料，其由通式Ra-x-yHoxDyyFe1-abc-dCodMcBb表示，其中x，y，a，b，c和d是相应元素的重量百分数，其中28％ = a = 34％，0.95％= b = 1.3％，0 = c = 1.5％，1％= d = 10％，15％= x = 20％和3％= y = 8％ 其中R是选自Nd，Pr，La，Ce，Gd，Tb及其组合的稀土元素; 其中M选自Al，Cu，Ti，V，Cr，Zr，Hf，Nb，Sn，Mo，Ga，Si及其组合。 还提供了一种制备稀土永磁材料的方法。

公开(公告)号：WO2015096583A1

公开(公告)日：2015-07-02

申请号：PCT/CN2014/092306

申请日：2014-11-26

Applicant: BYD COMPANY LIMITED

Inventor： DENG, Xiaoxia ,  CHEN, Bo ,  ZHANG, Faliang

IPC: H01F1/053 ,  H01F1/047 ,  H01F1/08

CPC classification number: H01F1/0557 ,  B22D7/00 ,  B22F3/16 ,  B22F3/24 ,  B22F9/023 ,  B22F9/04 ,  B22F2003/248 ,  B22F2009/044 ,  B22F2202/05 ,  B22F2301/355 ,  B22F2304/10 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/02 ,  C22C28/00 ,  C22C30/02 ,  C22C30/04 ,  C22C33/02 ,  C22C33/0278 ,  C22C33/04 ,  C22C38/002 ,  C22C38/005 ,  C22C38/008 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C2202/02 ,  H01F1/057 ,  H01F1/0577 ,  H01F41/0273 ,  B22F3/02 ,  B22F1/0059 ,  B22F3/10

Abstract: A rare earth permanent magnetic material contains a main phase of R1 x1 R2 y1 Fe 1-x1-y1-z1-u1 Co z1 B u1 , and an auxiliary phase including a first auxiliary phase of R3 x2 R4 y2 Fe 1-x2-y2-z2-u2-v1 Co z2 B u2 M v1 and a second auxiliary of R5 x3 R6 y3 Fe 1-x3-y3-z3-u3-v2 Co z3 B u3 M v2 . Each of R1, R3 and R5 is Pr and/or Nd. Each of R2, R4 and R6 is at least one of Dy, Tb and Ho. M is at least one of Zr, Ga, Cu, Nb, Sn, Mo, Al, V, W, Si, Hf, Ti, Zn, Bi, Ta and In. 26wt％≤x1+y1≤34wt％, 0.01wt％≤y1≤4wt％, 0≤z1≤6wt％, and 0.78wt％≤u1≤1.25wt％. 35wt％≤x2+y2≤82wt％, 5wt％≤y2≤42wt％, 0≤z2≤40wt％, 0≤u2≤1.25wt％, and 0≤v1≤10wt％. 10wt％≤x3+y3≤32wt％, 0≤y3≤4.8wt％, 0≤z3≤40wt％, 0≤u3≤1.25wt％, and 31wt％≤v2≤50wt％.

Abstract translation: 稀土永磁材料包含R1x1R2y1Fe1-x1-y1-z1-u1Coz1Bu1的主相，以及包括R3x2R4y2Fe1-x2-y2-z2-u2-v1Coz2Bu2Mv1的第一辅助相的辅助相和R5x3R6y3Fe1-x3- Y3-Z3-U3-v2Coz3Bu3Mv2。 R 1，R 3和R 5各自为Pr和/或Nd。 R2，R4和R6各自为Dy，Tb和Ho中的至少一种。 M是Zr，Ga，Cu，Nb，Sn，Mo，Al，V，W，Si，Hf，Ti，Zn，Bi，Ta和In中的至少一种。 26wt％≤x1+y1≤34wt％，0.01wt％≤y1≤4wt％，0≤z1≤6wt％，0.78wt％≤u1≤1.25wt％。 35wt％≤x2+y2≤82wt％，5wt％≤y2≤42wt％，0≤z2≤40wt％，0≤u2≤1.25wt％，0≤v1≤10wt％。 10wt％≤x3+y3≤32wt％，0≤y3≤4.8wt％，0≤z3≤40wt％，0≤u3≤1.25wt％，31wt％≤v2≤50wt％。

公开(公告)号：EP2478528A1

公开(公告)日：2012-07-25

申请号：EP10816636.4

申请日：2010-07-30

Applicant: BYD Company Limited

Inventor： GONG, Qing ,  DENG, Xiaoxia ,  DU, Xin

IPC: H01F1/053

CPC classification number: H01F41/0273 ,  B22F2998/10 ,  B22F2999/00 ,  C22C38/005 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  H01F1/0577 ,  B22F9/08 ,  B22F9/04 ,  B22F1/0059 ,  B22F3/093 ,  B22F2003/248 ,  B22F2009/044 ,  B22F9/023

Abstract: A rare earth permanent magnetic material is provided, which is represented by the general formula of R
a-x-y Ho
x Dy
y Fe
1-a-b-c-d Co
d M
c B
b , wherein x, y, a, b, c and d are weight percentages of corresponding elements, in which 28%≤ a ≤34%, 0.95%≤ b ≤1.3%, 0≤ c ≤1.5%, 1%≤ d ≤10%, 15%≤ x ≤20% and 3%≤ y ≤8%; wherein R is a rare earth element, which is selected from the group consisting of Nd, Pr, La, Ce, Gd, Tb and combinations thereof; and wherein M is selected from the group consisting of Al, Cu, Ti, V, Cr, Zr, Hf, Nb, Sn, Mo, Ga, Si and combinations thereof. A method for preparing the rare earth permanent magnetic material is also provided.

公开(公告)号：EP3087573B1

公开(公告)日：2019-01-02

申请号：EP14875111.8

申请日：2014-11-26

Applicant: BYD Company Limited

Inventor： DENG, Xiaoxia ,  CHEN, Bo ,  ZHANG, Faliang

IPC: H01F1/057 ,  H01F1/08

公开(公告)号：EP3087573A1

公开(公告)日：2016-11-02

申请号：EP14875111.8

申请日：2014-11-26

Applicant: BYD Company Limited

Inventor： DENG, Xiaoxia ,  CHEN, Bo ,  ZHANG, Faliang

IPC: H01F1/053 ,  H01F1/047 ,  H01F1/08

CPC classification number: H01F1/0557 ,  B22D7/00 ,  B22F3/16 ,  B22F3/24 ,  B22F9/023 ,  B22F9/04 ,  B22F2003/248 ,  B22F2009/044 ,  B22F2202/05 ,  B22F2301/355 ,  B22F2304/10 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/02 ,  C22C28/00 ,  C22C30/02 ,  C22C30/04 ,  C22C33/02 ,  C22C33/0278 ,  C22C33/04 ,  C22C38/002 ,  C22C38/005 ,  C22C38/008 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C2202/02 ,  H01F1/057 ,  H01F1/0577 ,  H01F41/0273 ,  B22F3/02 ,  B22F1/0059 ,  B22F3/10

Abstract: A rare earth permanent magnetic material contains a main phase of R1x1R2y1Fe1-x1-y1-z1-u1Coz1Bu1, and an auxiliary phase including a first auxiliary phase of R3x2R4y2Fe1-x2-y2-z2-u2-v1Coz2Bu2Mv1 and a second auxiliary of R5x3R6y3Fe1-x3-y3-z3-u3-v2Coz3Bu3Mv2. Each of R1, R3 and R5 is Pr and/or Nd. Each of R2, R4 and R6 is at least one of Dy, Tb and Ho. M is at least one of Zr, Ga, Cu, Nb, Sn, Mo, Al, V, W, Si, Hf, Ti, Zn, Bi, Ta and In. 26 wt %≦x1+y1≦34 wt %, 0.01 wt %≦y1≦4 wt %, 0≦z1≦6 wt %, and 0.78 wt %≦u1≦1.25 wt %. 35 wt %≦x2+y2≦82 wt %, 5 wt %≦y2≦42 wt %, 0≦z2≦40 wt %, 0≦u2≦1.25 wt %, and 0≦v1≦10 wt %. 10 wt %≦x3+y3≦32 wt %, 0≦y3≦4.8 wt %, 0≦z3≦40 wt %, 0≦u3≦1.25 wt %, and 31 wt %≦v2≦50 wt %.