JP6090473B2 - 二次電池のパウチケースシール装置及びシール方法 - Google Patents
二次電池のパウチケースシール装置及びシール方法 Download PDFInfo
- Publication number
- JP6090473B2 JP6090473B2 JP2015549281A JP2015549281A JP6090473B2 JP 6090473 B2 JP6090473 B2 JP 6090473B2 JP 2015549281 A JP2015549281 A JP 2015549281A JP 2015549281 A JP2015549281 A JP 2015549281A JP 6090473 B2 JP6090473 B2 JP 6090473B2
- Authority
- JP
- Japan
- Prior art keywords
- pouch case
- crimping jig
- pouch
- sealing
- sealing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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- 238000000034 method Methods 0.000 title claims description 24
- 238000002788 crimping Methods 0.000 claims description 126
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- 239000012790 adhesive layer Substances 0.000 description 36
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 13
- 238000003825 pressing Methods 0.000 description 10
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- 239000004743 Polypropylene Substances 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
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Images
Classifications
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- H01M10/0404—Machines for assembling batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Description
Claims (14)
- パウチ型二次電池のパウチケースをシールする装置であって、
前記パウチケースのシール部を上部から下方に加圧する上部圧着治具と、
前記パウチケースのシール部を下部から上方に加圧する下部圧着治具と
を含み、
前記上部圧着治具及び前記下部圧着治具の少なくとも1つは、外側端部の前記パウチケースに対する加圧深さが内側端部の前記パウチケースに対する加圧深さよりも深く、
前記上部圧着治具及び前記下部圧着治具の少なくとも1つが、前記パウチケースのシール部を加圧する前に予熱するパウチケースのシール装置。 - 前記上部圧着治具及び前記下部圧着治具の少なくとも1つが、前記パウチケースに接触した状態で傾動する請求項1に記載のパウチケースのシール装置。
- 前記傾動は、前記上部圧着治具及び前記下部圧着治具の少なくとも1つの外側端部が前記パウチケースをさらに加圧する形態で行われる請求項2に記載のパウチケースのシール装置。
- 前記上部圧着治具及び前記下部圧着治具の少なくとも1つが、前記パウチケースの加圧面に段差を有する請求項1から請求項3のうちいずれか1項に記載のパウチケースのシール装置。
- 前記段差は、外側端部が内側端部より高く形成される請求項4に記載のパウチケースのシール装置。
- 前記段差は、2つ以上形成された請求項4または請求項5に記載のパウチケースのシール装置。
- 前記上部圧着治具及び前記下部圧着治具の少なくとも1つは、前記パウチケースの加圧面が傾斜を有するように形成された請求項1から請求項6のうちいずれか1項に記載のパウチケースのシール装置。
- 前記傾斜は、前記上部圧着治具及び前記下部圧着治具の少なくとも1つの外側端部が内側端部より高く形成される請求項7に記載のパウチケースのシール装置。
- 前記上部圧着治具及び前記下部圧着治具の少なくとも1つが、前記パウチケースのシール部に圧力とともに熱を加える請求項1から請求項8のうちいずれか1項に記載のパウチケースのシール装置。
- 請求項1から請求項9のうちいずれか1項に記載のパウチケースのシール装置を含む二次電池の製造装置。
- パウチ型二次電池のパウチケースをシールする方法であって、
前記パウチケースの内部空間に電極組立体を収納する収納段階と、
前記パウチケースのシール部を加圧する前に前記上部圧着治具及び前記下部圧着治具の少なくとも1つが前記シール部を加熱する予熱段階と、
前記予熱段階の後、前記パウチケースのシール部を上下方向に加圧する加圧段階と
を含み、
前記加圧段階では、前記上部圧着治具及び前記下部圧着治具の少なくとも1つの外側端部の前記パウチケースに対する加圧深さが内側端部の前記パウチケースに対する加圧深さよりも深いパウチケースのシール方法。 - 前記加圧段階では、前記パウチケースを加圧する上部圧着治具及び下部圧着治具の少なくとも1つを前記パウチケースに接触した状態で傾動させる請求項11に記載のパウチケースのシール方法。
- 前記傾動は、前記上部圧着治具及び前記下部圧着治具の少なくとも1つの外側端部が前記パウチケースをさらに加圧する形態で行われる請求項12に記載のパウチケースのシール方法。
- 前記加圧段階では、前記パウチケースのシール部に圧力とともに熱を加える請求項11から請求項13のうちいずれか1項に記載のパウチケースのシール方法。
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PCT/KR2013/012347 WO2014104841A1 (ko) | 2012-12-28 | 2013-12-27 | 이차 전지의 파우치 케이스 실링 장치 및 실링 방법 |
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