IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0108485
(2002-03-29)
|
우선권정보 |
JP-0278841 (1999-09-30) |
발명자
/ 주소 |
- Hozumi, Yoshihiro
- Ikeda, Katsuji
- Kashihara, Masami
- Aoki, Tomonori
- Inoue, Makato
|
출원인 / 주소 |
- Asahi Glass Company, Limited
|
대리인 / 주소 |
Oblon, Spivak, McClelland, Maier &
|
인용정보 |
피인용 횟수 :
16 인용 특허 :
6 |
초록
▼
An electrochemical device comprises a pair of electrodes having electrode layers formed on strip-like collectors except on their strip-like portions along a longitudinal side of the strip-like collectors; strip-like separators insulating these; two collector plates connected to the strip-like portio
An electrochemical device comprises a pair of electrodes having electrode layers formed on strip-like collectors except on their strip-like portions along a longitudinal side of the strip-like collectors; strip-like separators insulating these; two collector plates connected to the strip-like portions; a case accommodating these; a lid for sealing the case; a pair of terminals connected to the collector plates and being connectable to an outside of the case. The pair of terminals is respectively connected to the lid and the case, and the pair of electrodes are wound interposing the separators therebetween, and the strip-like portions are located on both end surfaces. The electrochemical device has high volume density and low internal resistance and it can be manufactured in short time.
대표청구항
▼
1. An electrochemical device comprising:a first electrode having electrode layers on at least one of surfaces of a strip shaped first collector other than a first strip shaped portion along a side of a strip shaped longitudinal direction of the first collector; a second electrode having electrode la
1. An electrochemical device comprising:a first electrode having electrode layers on at least one of surfaces of a strip shaped first collector other than a first strip shaped portion along a side of a strip shaped longitudinal direction of the first collector; a second electrode having electrode layers formed on at least one of surfaces of a strip shaped second collector other than a second strip shaped portion along a side of a strip shaped longitudinal direction of the second collector; strip shaped separators configured to electrically insulate the first electrode from the second electrode by intervening therebetween; a first collector plate configured to collect electricity from a connection with the first strip shaped portion, said first collector plate welded to said first strip shaped portion; a second collector plate configured to collect electricity from a connection with the second strip shaped portion, said second collector plate welded to said second strip shaped portion; a case having an opening portion configured to accommodate the first electrode, the second electrode, the separators, the first collector plate, and the second collector plate; a sealing lid configured to seal the opening portion; a first terminal connected to the first collector plate or monolithically formed with the first collector plate so as to be connected to an outside of the case; a second terminal connected to the second collector plate or monolithically formed with the second collector plate so as to be connected to an outside of the case, wherein the first terminal and the second terminal are respectively connected to the sealing lid and the case, the first electrode, the second electrode, and the separators are piled and wound to form a tubiform winding element, the first strip shaped portion and the second strip shaped portion are arranged respectively on opposite end surfaces of the cylindrical winding element. 2. The electrochemical device according to claim 1,wherein the wound first strip shaped portion and the wound second strip shaped portion are crushed toward a tube axis of the tubiform winding element. 3. The electrochemical device according to claim 1,wherein materials of the first collector, the first collector plate, and the first terminal are the same, and materials of the second collector, the second collector plate and the second terminal are the same. 4. The electrochemical device according to claim 2,wherein materials of the first collector, the first collector plate, and the first terminal are the same, and materials of the second collector, the second collector plate and the second terminal are the same. 5. The electrochemical device according to claim 1, further comprising:a core penetrating through a center portion of the tubiform winding element, wherein the first terminal or the second terminal has an inlet for an electrolyte and a hollow path through which the electrolyte flows, and the core has an inflow port, to which the electrolyte flows from a connection with the hollow path in the first terminal, an outflow port, from which the electrolyte flows, and a hollow cavity connecting the inflow port to the outflow port. 6. The electrochemical device according to claim 2, further comprising:a core penetrating through a center portion of the tubiform winding element, wherein the first terminal or the second terminal has an inlet for an electrolyte and a hollow path through which the electrolyte flows, and the core has an inflow port, to which the electrolyte flows from a connection with the hollow path in the first terminal, an outflow port, from which the electrolyte flows, and a hollow cavity connecting the inflow port to the outflow port. 7. The electrochemical device according to claim 3, further comprising:a core penetrating through a center portion of the tubiform winding element, wherein the first terminal or the second terminal has an inlet for an electrolyte and a hollow path through which the electrolyte flows, and the core has an inflow port, to which the electrolyte flows from a connection with the hollow path in the first terminal, an outflow port, from which the electrolyte flows, and a hollow cavity connecting the inflow port to the outflow port. 8. The electrochemical device according to claim 4, further comprising:a core penetrating through a center portion of the tubiform winding element, wherein the first terminal or the second terminal has an inlet for an electrolyte and a hollow path through which the electrolyte flows, and the core has an inflow port, to which the electrolyte flows from a connection with the hollow path in the first terminal, an outflow port, from which the electrolyte flows, and a hollow cavity connecting the inflow port to the outflow port. 9. The electrochemical device according to claim 1,wherein the first collector plate or the second collector plate has a cutout or a hole, through which an electrolyte flows to the tubiform winding element. 10. The electrochemical device according to claim 2,wherein the first collector plate or the second collector plate has a cutout or a hole, through which an electrolyte flows to the tubiform winding element. 11. The electrochemical device according to claim 3,wherein the first collector plate or the second collector plate has a cutout or a hole, through which an electrolyte flows to the tubiform winding element. 12. The electrochemical device according to claim 4,wherein the first collector plate or the second collector plate has a cutout or a hole, through which an electrolyte flows to the tubiform winding element. 13. The electrochemical device according to claim 5,wherein the first collector plate or the second collector plate has a cutout or a hole, through which an electrolyte flows to the tubiform winding element. 14. The electrochemical device according to claim 6,wherein the first collector plate or the second collector plate has a cutout or a hole, through which an electrolyte flows to the tubiform winding element. 15. The electrochemical device according to claim 8,wherein the first collector plate or the second collector plate has a cutout or a hole, through which an electrolyte flows to the tubiform winding element. 16. The electrochemical device according to claim 1,wherein the electrochemical device is an electric double-layer capacitor. 17. The electrochemical device according to claim 2,wherein the electrochemical device is an electric double-layer capacitor. 18. The electrochemical device according to claim 3,wherein the electrochemical device is an electric double-layer capacitor. 19. The electrochemical device according to claim 5,wherein the electrochemical device is an electric double-layer capacitor. 20. The electrochemical device according to claim 9,wherein the electrochemical device is an electric double-layer capacitor.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.