Arrangement of electrochemical cells and circuit board
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-002/30
H01M-010/36
출원번호
US-0869991
(2000-01-07)
우선권정보
GB-199900396 (1999-01-08)
국제출원번호
PCT/EP00/00133
(2000-01-07)
국제공개번호
WO00/41253
(2000-07-13)
발명자
/ 주소
Nortoft, Uffe
Jorgensen, Michael Thorby
Nissen, Ole Stig
출원인 / 주소
Danionics A/S
대리인 / 주소
Darby & Darby
인용정보
피인용 횟수 :
68인용 특허 :
4
초록▼
The application describes a cell unit which includes at least two flat electrochemical cells (1′, 1″, 1′″) and a circuit board ( 5 ), the cells being folded onto one or both sides of the circuit board whereby the circuitry on the circuit board is protected. Preferably, th
The application describes a cell unit which includes at least two flat electrochemical cells (1′, 1″, 1′″) and a circuit board ( 5 ), the cells being folded onto one or both sides of the circuit board whereby the circuitry on the circuit board is protected. Preferably, the cells and the circuit board have the same lengths and widths. The cells may be provided on two or more edges of the circuit board and optionally two cells are connected at the same edges on the board. A means of connecting electrochemical cells to a circuit board is also described wherein protruding parts ( 14 ) of the cell, at the terminal end, are bonded to the circuit board
대표청구항▼
1. A cell unit comprising at least two flat electrochemical cells joined by flexible connections to at least one edge of a circuit board, the cells being moveable from a first position laterally of the circuit board to a second position arranged against one or both sides of the circuit board, whereb
1. A cell unit comprising at least two flat electrochemical cells joined by flexible connections to at least one edge of a circuit board, the cells being moveable from a first position laterally of the circuit board to a second position arranged against one or both sides of the circuit board, whereby the circuitry on the circuit board is protected. 2. A cell unit according to claim 1, wherein the cells and the circuit board have the same lengths and widths. 3. A cell unit according to claim 1, wherein circuitry is provided on only one side of the circuit board and the cells are arranged against that one side or on both sides. 4. A cell unit according to claim 1, wherein circuitry is provided on both sides of the circuit board and the cells are arranged against both sides of the board. 5. A cell unit according to claim 1, wherein the cells and the circuit board are square or rectangular. 6. A cell unit according to claim 1, wherein cells are provided on two or more edges of the circuit board. 7. A cell unit according to claim 1, wherein the circuit board includes voltage equalising components, and/or temperature sensing components and/or charge control circuitry. 8. A cell unit according to claim 1, wherein each cell is sealed with sealing material, the material protruding at the end of the cell which is connected to the circuit board such that sealing material is arranged both on top of and below the circuit board to protect the electrical connections between the cell and the circuit board. 9. A cell unit according to claim 8, wherein the protruding sealing material is fixed to the circuit board. 10. A cell unit according to claim 9, wherein the sealing material is fixed through one or more apertures in the circuit board. 11. A cell unit according to claim 8, wherein the cells are sealed within a sealing material and any sealing material protruding at an edge of the cell, other than that edge which is to be connected to the circuit board, is folded over onto the surface of the sealed cell, such folded sealed edges then forming a spacer when the cell is folded onto the circuit board. 12. A cell unit according to claims 1 , wherein the circuit board is a flexible circuit board. 13. A cell unit according to claim 12, wherein the circuit board can itself fold, and in particular the flexible circuit board has a rectangular shape and can be folded in half. 14. A cell unit according to claim 6, wherein two cells are connected at the same edge of the board. 15. A method of producing a cell unit comprising at least two flat electrochemical cells and a circuit board, wherein the cells are arranged laterally of the circuit board and are electrically connected thereto, the method comprising the step folding the cells onto one or both sides of the circuit board whereby the circuitry on the circuit board is protected. 16. A method according to claim 15, wherein the cells and the circuit board are square or rectangular. 17. A method according to claim 16, wherein cells are provided on two or more edges of the circuit board. 18. A method according to claim 15, wherein each cell is sealed within sealing material, and the material at the end of the cell which is connected to the circuit board protrudes such that sealing material is arranged both on top of and below the circuit board to protect the electrical connections between the cell and the circuit board. 19. A method according to claim 18, wherein the protruding sealing material is fixed to the circuit board. 20. A method according to claim 19, wherein the sealing material is fixed through one or more apertures in the circuit board. 21. A method according to claim 15, wherein the cells are sealed within a sealing material and any sealing material protruding at an edge of the cell, other than that edge which is to be connected to the circuit board, is folded over onto the surface of the sealed cell, such folded sealed edges then forming a spacer when the cell is folded onto the circuit boa rd. 22. A method according to claim 15, wherein the circuit board is a flexible circuit board. 23. A method according to claim 22, wherein the flexible circuit board has a rectangular shape and is folded in half. 24. A method according to claim 17, wherein two cells are connected at the same edge of the board.
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