SLIM BATTERY PACKAGING METHOD

• US 20090188105A1
• Filed: 01/28/2008
• Published: 07/30/2009
• Est. Priority Date: 01/28/2008
• Status: Abandoned Application

• Current Assignee: SiPix Technology Inc. (E Ink Holdings Incorporated)
• Original Assignee: SiPix Technology Inc. (E Ink Holdings Incorporated)
• Inventors: CHEN, Hsin-Liang, CHIEN, Ming-Chin
• Application Number:
  US12/021,153
• Publication Number:
  US 20090188105A1
• Time in Patent Office: Days
• US Class Current: 29/623.400
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: H01M 50/00 Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
• CPC Class Codes: H01M 50/202 Casings or frames around the primary casing of a single cell or a single battery
• CPC Class Codes: H01M 50/207 characterised by their shape
• CPC Class Codes: H01M 50/244 Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y10T 29/49114 including adhesively bonding

Abstract

The present invention discloses a slim battery packaging method, which comprising steps: preparing at least one slim battery and an electronic substrate to be connected to the slim battery, wherein the slim battery and the electronic substrate respectively have electric-connection terminals corresponding to each other; joining the electric-connection terminals of the slim battery and the electronic substrate with a conductive adhesive; applying a thermosetting temperature to the electric-connection terminals with a hot-press device to transfer the thermosetting temperature to the conductive adhesive and cure the conductive adhesive; and providing a cooling device in the preceding step to inhibit the conduction of the thermosetting temperature to a non-electric-connection terminal area of the slim battery for maintaining the performance of the slim battery.

Claims

1. A slim battery packaging method comprising:

a material preparation step;

including preparing at least one slim battery and preparing an electronic substrate to be connected with the slim battery, wherein said slim battery and said electronic substrate respectively have electric-connection terminals corresponding to each other;

an adhesion step;

joining said electric-connection terminals of said slim battery and said electronic substrate with a conductive adhesive;

a thermosetting step;

applying a thermosetting temperature to said electric-connection terminals with a hot-press device to transfer said thermosetting temperature to said conductive adhesive and cure said conductive adhesive; and

a temperature inhibition step;

providing a cooling device in the preceding step to inhibit the conduction of said thermosetting temperature to a non-electric-connection terminal area of said slim battery for maintaining the performance of said slim battery.

2. The slim battery packaging method according to claim 1, wherein said thermosetting temperature in said thermosetting step is between 100 and 260°

C.

3. The slim battery packaging method according to claim 2, wherein said thermosetting temperature in said thermosetting step is between 160 and 190°

C.

4. The slim battery packaging method according to claim 1, wherein in said thermosetting step, the duration of hot pressing is between 10 and 20 seconds.

5. The slim battery packaging method according to claim 1, wherein said conductive adhesive is preferably a solid conductive tape.

6. The slim battery packaging method according to claim 5, wherein said solid conductive tape is a z-axis anisotropic conductive film.

7. The slim battery packaging method according to claim 1, wherein said conductive adhesive is a liquid conductive glue.

8. The slim battery packaging method according to claim 1, wherein said conductive adhesive is a tin paste.

9. The slim battery packaging method according to claim 8, wherein a material of said tin paste is selected from a group consisting of a tin-lead alloy, a tin-silver-copper alloy and tin metal.

10. The slim battery packaging method according to claim 1, wherein said slim battery is a lithium battery, a lithium ion battery, or a polymer electrolyte battery.

11. The slim battery packaging method according to claim 1, wherein in said material preparation step, said electronic substrate is electrically connected to a display screen firstly.

12. The slim battery packaging method according to claim 11, wherein said display screen is an electrophoresis display device.

13. The slim battery packaging method according to claim 1, wherein said cooling device is preferably a water cooling device.

14. The slim battery packaging method according to claim 1, wherein said cooling device is an air cooling device.

15. The slim battery packaging method according to claim 1, wherein said cooling device has at least one thermoelectric cooling chip.

16. The slim battery packaging method according to claim 1, wherein said temperature inhibition step is to keep said non-electric-connection terminal area at a temperature below 60°

C.

17. The slim battery packaging method according to claim 16, wherein said non-electric-connection terminal area is kept at a temperature below 22°

C.

18. The slim battery packaging method according to claim 1, wherein said cooling device has a temperature sensor.

19. The slim battery packaging method according to claim 18, wherein said temperature sensor is arranged in said electric-connection terminal.

20. The slim battery packaging method according to claim 18, wherein said temperature sensor is arranged in said non-electric-connection terminal area.

21. The slim battery packaging method according to claim 1, which is used to fabricate an electronic product.

22. The slim battery packaging method according to claim 21, wherein said electronic product is a Smart Card or a RFID (Radio Frequency Identification) tag.