Feed-through
A feed-through, for example a battery feed-through for a lithium-ion battery or a lithium ion accumulator, has at least one base body which has at least one opening through which at least one conductor, for example a pin-shaped conductor, embedded in a glass material is guided. The base body contains a low melting material, for example a light metal, such as aluminum, magnesium, AlSiC, an aluminum alloy, a magnesium alloy, titanium, titanium alloy or steel, in particular special steel, stainless steel or tool steel. The glass material consists of the following in mole percent: 35-50% P 2 O 5 , for example 39-48%; 0-14% Al 2 O 3 , for example 2-12%; 2-10% B 2 O 3 , for example 4-8%; 0-30% Na 2 O, for example 0-20%; 0-20% M 2 O, for example 12-20%, wherein M is K, Cs or Rb; 0-10% PbO, for example 0-9%; 0-45% Li 2 O, for example 0-40% or 17-40%; 0-20% BaO, for example 5-20%; 0-10% Bi 2 O 3 , for example 1-5% or 2-5%.
1. A feed-through, comprising:
at least one base body having at least one opening;
a conductor; and
a glass material, said conductor being embedded in said glass material and inserted into said at least one opening of said at least one base body, said glass material including the following in mole percent (mol-%):
P 2 O 5
35-50 mol-%;
Al 2 O 3
0-14 mol-%;
B 2 O 3
2-10 mol-%;
Na 2 O
0-30 mol-%;
M 2 O
0-20 mol-%, wherein M is one of K, Cs and Rb;
PbO
0-10 mol-%;
Li 2 O
0-45 mol-%;
BaO
0-20 mol-%; and
Bi 2 O 3
1-5 mol-%.
2. The feed-through according to claim 1 , wherein said glass material includes the following in mole percent (mol-%):
P 2 O 5
39-48 mol-%;
Al 2 O 3
2-12 mol-%;
B 2 O 3
4-8 mol-%;
Na 2 O
0-20 mol-%;
M 2 O
12-20 mol-%;
PbO
0-9 mol-%;
Li 2 O
0-40 mol-%;
BaO
0-20 mol-%; and
Bi 2 O 3
1-5 mol-%.
3. The feed-through according to claim 2 , wherein said glass material includes:
Li 2 O
17-40 mol-%;
BaO
5-20 mol-%; and
Bi 2 O 3
2-5 mol-%.
4. The feed-through according to claim 1 , wherein said feed-through is a battery feed-through.
5. The feed-through according to claim 4 , wherein said battery feed-through is for a lithium-ion battery.
6. The feed-through according to claim 4 , wherein said battery feed-through is for a lithium ion accumulator.
7. The feed-through according to claim 1 , wherein said conductor is a substantially pin-shaped conductor.
8. The feed-through according to claim 7 , wherein said conductor includes one metal.
9. The feed-through according to claim 8 , wherein said one metal is one of copper, copper silicon carbide (CuSiC), aluminum, aluminum silicon carbide (AlSiC), magnesium, silver, gold, aluminum alloys, silver alloys, gold alloys and nickel-iron (NiFe) alloys.
10. The feed-through according to claim 1 , wherein said base body is formed from a material having a low melting temperature.
11. The feed-through according to claim 10 , wherein said material having a low melting temperature is a light metal.
12. The feed-through according to claim 11 , wherein said light metal is one of aluminum, magnesium, aluminum silicon carbide (AlSiC), an aluminum alloy, a magnesium alloy, titanium, a titanium alloy and steel.
13. The feed-through according to claim 12 , wherein said steel is one of a high-grade steel, stainless steel and tool steel.
14. The feed-through according to claim 1 , wherein said glass material includes:
P 2 O 5
38-50 mol-%;
Al 2 O 3
3-14 mol-%;
B 2 O 3
4-10 mol-%;
Na 2 O
10-30 mol-%;
K 2 O
10-20 mol-%; and
PbO
0-10 mol-%.
15. The feed-through according to claim 14 , wherein said glass material includes:
P 2 O 5
39-48 mol-%;
Al 2 O 3
4-12 mol-%;
B 2 O 3
4-8 mol-%;
Na 2 O
14-20 mol-%;
K 2 O
12-19 mol-%; and
PbO
0-9 mol-%.
16. The feed-through according to claim 1 , wherein said glass material has a coefficient of expansion α in a range of between approximately 20° C. and 300° C. of >14×10 −6 /K.
17. The feed-through according to claim 16 , wherein said coefficient of expansion α in a range of between approximately 20° C. and 300° C. is in a range of between approximately 15×10 −6 /K and 25×10 −6 /K.
18. The feed-through according to claim 1 , said glass material further comprises a plurality of additives within a range of an emission maximum of infrared radiation.
19. The feed-through according to claim 18 , wherein said plurality of additives include iron (Fe), Chromium (Cr), Cobalt (Co) and Vanadium (V).
20. The feed-through according to claim 1 , wherein said glass material is sealed with at least one of said base body and said conductor under a normal atmosphere.
21. The feed-through according to claim 20 , wherein said base body is an aluminum base body soldered with an aluminum conductor under said normal atmosphere.
22. The feed-through according to claim 1 , wherein said glass material has a high chemical resistance to non-aqueous battery electrolytes.
23. The feed-through according to claim 22 , wherein said glass material has a high chemical resistance to carbonates.
24. The feed-through according to claim 23 , wherein said carbonates are carbonate mixtures with a conducing salt.
25. The feed-through according to claim 24 , wherein said carbonate mixtures with a conducing salt include lithium hexafluorophosphate (LiPF 6 ).
26. A storage device, comprising:
a feed-through including:
at least one base body having at least one opening;
a conductor; and
a glass material, said conductor being embedded in said glass material and inserted into said at least one opening of said at least one base body, said glass material including the following in mole percent (mol-%):
P 2 O 5
35-50 mol-%;
Al 2 O 3
0-14 mol-%;
B 2 O 3
2-10 mol-%;
Na 2 O
0-30 mol-%;
M 2 O
0-20 mol-%, wherein M is one of K, Cs and Rb;
PbO
0-10 mol-%;
Li 2 O
0-45 mol-%;
BaO
0-20 mol-%; and
Bi 2 O 3
1-5 mol-%.
27. The storage device according to claim 26 , wherein the storage device is a battery.
28. The storage device according to claim 27 , wherein said battery is a lithium-ion battery.
29. The storage device according to claim 28 , wherein the storage device is a lithium-ion accumulator.
30. The storage device according to claim 29 , wherein said battery includes a non-aqueous electrolyte.
31. The storage device according to claim 30 , wherein said non-aqueous electrolyte is a carbonate.
32. The storage device according to claim 31 , wherein said carbonate is a carbonate mixture with a conducting salt.
33. The storage device according to claim 32 , wherein said carbonate mixture includes ethylene-carbonate and dimethyl-carbonate.
34. The storage device according to claim 33 , wherein said carbonate mixture with said conducting salt is LiPF 6 .
35. The storage device according to claim 34 , further comprising a housing accommodating said feed-through.
36. The storage device according to claim 35 , wherein said housing is a battery housing.
37. The storage device according to claim 35 , wherein said base body is one of a metal, a high-grade steel, stainless steel and a light metal.
38. The storage device according to claim 37 , wherein said base body is one of aluminum, aluminum silicon carbide (AlSiC), an aluminum alloy, magnesium, a magnesium alloy, titanium and a titanium alloy.
39. The storage device according to claim 35 , wherein said housing includes one of a metal, a high-grade steel, stainless steel and a light metal.
40. The storage device according to claim 39 , wherein said housing includes one of aluminum, Al SiC, an aluminum alloy, magnesium, a magnesium alloy, titanium and a titanium alloy.
41. A method of utilizing a glass composition, the method comprising the step of
providing a battery including a non-aqueous electrolyte; and
using the glass composition to insert a conductor into a housing of a battery, the glass composition including:
P 2 O 5
35-50 mol-%;
Al 2 O 3
0-14 mol-%;
B 2 O 3
2-10 mol-%;
Na 2 O
0-30 mol-%;
M 2 O
0-20 mol-%, wherein M is one of K, Cs and Rb;
PbO
0-10 mol-%;
Li 2 O
0-45 mol-%;
BaO
0-20 mol-%; and
Bi 2 O 3
1-5 mol-%.
42. The method according to claim 41 , wherein the glass composition includes:
P 2 O 5
39-48 mol-%;
Al 2 O 3
2-12 mol-%;
B 2 O 3
4-8 mol-%;
Na 2 O
0-20 mol-%;
M 2 O
12-20 mol-%, wherein M is one of K, Cs and Rb;
PbO
0-9 mol-%;
Li 2 O
0-40 mol-%;
BaO
0-20 mol-%; and
Bi 2 O 3
1-5 mol-%.
43. The method according to claim 42 , wherein said glass composition includes:
Li 2 O
17-40 mol-%;
BaO
0-20 mol-%; and
Bi 2 O 3
2-5 mol-%.
44. The method according to claim 42 , wherein said non-aqueous electrolyte is a carbonate.
45. The method according to claim 44 , wherein said carbonate is a carbonate mixture with a conducting salt.
46. The method according to claim 45 , wherein said carbonate mixture with a conducting salt includes LiPF 6 .
47. The method according to claim 41 , wherein said battery is a lithium-ion battery.
48. The method according to claim 41 , wherein said battery is a lithium-ion accumulator.
49. The method according to claim 41 , the glass composition including:
P 2 O 5
38-50 mol-%;
Al 2 O 3
3-14 mol-%;
B 2 O 3
4-10 mol-%;
Na 2 O
10-30 mol-%;
K 2 O
10-20 mol-%; and
PbO
0-10 mol-%.
50. The method according to claim 49 , the glass composition including:
P 2 O 5
39-48 mol-%;
Al 2 O 3
4-12 mol-%;
B 2 O 3
5-8 mol-%;
Na 2 O
14-20 mol-%;
K 2 O
12-19 mol-%; and
PbO
0-9 mol-%.
51. The method according to claim 50 , wherein the conductor includes one metal.
52. The method according to claim 51 , wherein said one metal is one of aluminum, AlSiC, copper, CuSiC, magnesium, silver, gold, an aluminum alloy, a magnesium alloy, a copper alloy, a silver alloy, a gold alloy and a NiFe alloy.
53. The method according to claim 52 , wherein said base body includes one of a light metal, a high-grade steel, steel and stainless steel.
54. The method according to claim 53 , wherein said base body includes one of aluminum, AlSiC, an aluminum alloy, magnesium, a magnesium alloy, titanium, and a titanium alloy.