1
Lanthanoid
1
Transition Metal
H
1
                               
He
2
Li
3
Be
4
                   
B
5
C
6
N
7
O
8
F
9
Ne
10
Na
11
Mg
12
                   
Al
13
Si
14
P
15
S
16
Cl
17
Ar
18
K
19
Ca
20
21
Ti
22
V
23
Cr
24
Mn
25
Fe
26
Co
27
Ni
28
Cu
29
Zn
30
Ga
31
Ge
32
As
33
Se
34
Br
35
Kr
36
Rb
37
Sr
38
39
Zr
40
Nb
41
Mo
42
Tc
43
Ru
44
Rh
45
Pd
46
Ag
47
Cd
48
In
49
Sn
50
Sb
51
Te
52
I
53
Xe
54
Cs
55
Ba
56
La-Lu
Hf
72
Ta
73
W
74
Re
75
Os
76
Ir
77
Pt
78
Au
79
Hg
80
Tl
81
Pb
82
Bi
83
Po
84
At
85
Rn
86
Fr
87
Ra
88
Ac-Lr
Rf
104
Db
105
Sg
106
Bh
107
Hs
108
Mt
109
Ds
110
Rg
111
Cn
112
Uut
113
Fl
114
Uup
115
Lv
116
Uus
117
Uuo
118
                                   
   
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
   
Ac
89
Th
90
Pa
91
U
92
Np
93
Pu
94
Am
95
Cm
96
Bk
97
Cf
98
Es
99
Fm
100
Md
101
Lr
102
Lu
103
 

 

What Are The Rare Earths? 

Rare earth elements (REEs) are a group of 17 chemically similar elements crucial to the manufacture of many hi-tech products. Despite their names, most are abundant in nature but are hazardous to extract. In recent years, the increasing demands of REEs have been found in modern industrial production and technologies, and its importance is also skyrocketed. 

 

How Are They Applied?

At present time, more and more uses of REEs have been found, they are used in lasers, camera lenses, batteries, superconductors and industrial uses like aerospace, caustic cleaning agents and specialized glasses, the REEs also work as the important roles in below industrial areas:

 

Health Care
Rare earth elements (REEs) are central to health and medical applications from drug treatments to diagnostic techniques and surgical equipment. They are also used for the optical properties in many imaging techniques such as CAT scans, MRIs, PET imaging and X-rays. The biggest and most important component in an MRI system is actually the magnet that rare earths help produce. In an MRI, the main MRI magnet creates a static magnetic field, forming the basis for measurable macroscopic magnetization.
 
Clean Energy
Wind turbines are the major source of clean energy, the turbines provide clean power and help to reduce the greenhouse gas emission, the large gearless generators in wind turbine will provide better reliability and online performance, but these turbine-generators unit need over 2 tons of high strength magnet, the 30% REE is contained in these generators, these requirements of future technology will largely rely on the rare earths.
 
Energy Efficient Lighting
A series of chemical compounds made with REE called phosphors, the REE phosphors could be used into compact fluorescent lamps (CFL) to save about 70% power consumption, but it still could provide the same color and brightness. The light emitting diodes (LED)present more advantages than incandescent and CFL bulbs, the LED life expectance is more than 50,000 hours, far more than CFL and incandescent light source. The REE materials are extensively used into the LED industries as well.
 
Advanced Vehicles
Rare earth element is the key for the development of hybrid and electric vehicles. With the battery-powered electric traction drive, the hybrid and electric cars could largely reduce green gas emission and pollution to environment. Around 28 Kgs REEs is needed for a single hybrid car, and the growth of these cars are still rapidly increasing, more REEs will be needed for forthcoming boom of these new concept cars in future.
 
Computing
The neodymium-based magnets enable the miniaturization of the cell phones, some other mobile devices, and media players such as computers and computing devices, like speakers, microphones, hard drives, DVDS-ROM drives and other small gadgets, even the screens of the laptops.

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