Feed-through

Patent metadata

Field	Value
Publication number	US-9799860-B2
Application number	US-201615381739-A
Country	US
Kind code	B2
Filing date	Dec 16, 2016
Priority date	Feb 18, 2011
Publication date	Oct 24, 2017
Grant date	Oct 24, 2017

Abstract

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 ; 0-14% Al 2 O 3 ; 2-10% B 2 O 3 ; 0-30% Na 2 O; 0-20% M 2 O, with M being K, Cs or Rb; 0-35% Li 2 O; 0-20% BaO; and 0-10% Bi 2 O 3 , the glass material being free of lead except for contaminants.

First claim

What is claimed is:

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;

Li 2 O
0-35 mol-%;

BaO
0-20 mol-%; and

Bi 2 O 3
0-10 mol-%,

wherein said glass material is free of lead except for contaminants.

2. The feed-through according to claim 1 , wherein said glass material 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-%;

Li 2 O
0-35
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
17-35
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-%; and

K 2 O
10-20
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-%; and

K 2 O
12-19
mol-%.

Assignees

• Schott Ag

Inventors

• Kroll Frank
• Hartl Helmut
• Roters Andreas
• Esemann Hauke
• Goedeke Dieter
• Dahlmann Ulf
• Pichler-Wilhelm Sabine
• Landendinger Martin
• Backnaes Linda Johanna

Classifications

• H01M50/566

  by welding, soldering or brazing · CPC title

• H01M50/564

  characterised by their manufacturing process · CPC title

• H01M50/176

  for prismatic or rectangular cells (H01M50/181 takes precedence) · CPC title

• H01M50/562

  characterised by the material · CPC title

• H01M50/553

  Terminals adapted for prismatic, pouch or rectangular cells · CPC title