JP2021118073A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2021118073A5 JP2021118073A5 JP2020009774A JP2020009774A JP2021118073A5 JP 2021118073 A5 JP2021118073 A5 JP 2021118073A5 JP 2020009774 A JP2020009774 A JP 2020009774A JP 2020009774 A JP2020009774 A JP 2020009774A JP 2021118073 A5 JP2021118073 A5 JP 2021118073A5
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- metal plate
- outer edge
- resin portion
- power storage
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims 20
- 239000011347 resin Substances 0.000 claims 10
- 229920005989 resin Polymers 0.000 claims 10
- 230000002093 peripheral effect Effects 0.000 claims 5
- 238000007789 sealing Methods 0.000 claims 2
- 239000011149 active material Substances 0.000 claims 1
- 239000008393 encapsulating agent Substances 0.000 claims 1
Claims (5)
前記蓄電モジュールは、積層された複数の金属板を有する電極積層体と、前記電極積層体の側面を囲むように設けられ、隣り合う前記電極間に内部空間を形成すると共に当該内部空間を封止する封止体と、を備え、
前記複数の金属板は、負極終端電極の金属板と、正極終端電極の金属板と、前記負極終端電極及び前記正極終端電極の間に積層された複数のバイポーラ電極の金属板と、を含み、
前記封止体は、前記電極積層体に含まれる前記複数の金属板の縁部にそれぞれ設けられた枠状の樹脂部を有しており、
前記樹脂部は、前記電極積層体の積層方向から見て、前記金属板の縁部よりも外側にまで延びており、
前記導電板は、前記電極積層体の積層端の金属板に接触して配置され、
前記積層方向から見て、前記積層端の金属板の外面に設けられた前記樹脂部の内周端は、前記バイポーラ電極の金属板に設けられた前記樹脂部の内周端よりも内側に位置し、
前記積層方向から見て、前記積層端の金属板の外面に設けられた前記樹脂部は、前記導電板の外縁と重なっている、蓄電装置。 A power storage device comprising a power storage module and a conductive plate laminated on the power storage module,
The power storage module includes an electrode laminate having a plurality of laminated metal plates, and is provided so as to surround the side surface of the electrode laminate, forming an internal space between the adjacent electrodes and sealing the internal space. and an encapsulant that
The plurality of metal plates includes a metal plate of a negative terminal electrode, a metal plate of a positive terminal electrode, and a plurality of metal plates of bipolar electrodes stacked between the negative terminal electrode and the positive terminal electrode,
The sealing body has a frame-shaped resin portion provided at each edge of the plurality of metal plates included in the electrode laminate,
The resin portion extends outside the edge of the metal plate when viewed from the stacking direction of the electrode laminate,
The conductive plate is arranged in contact with a metal plate at a stack end of the electrode stack,
When viewed from the stacking direction, the inner peripheral end of the resin portion provided on the outer surface of the metal plate at the end of the stack is located inside the inner peripheral end of the resin portion provided on the metal plate of the bipolar electrode. death,
The power storage device , wherein the resin portion provided on the outer surface of the metal plate at the end of the stack overlaps with the outer edge of the conductive plate when viewed from the stacking direction .
前記導電板は、前記露出面に接触して配置され、
前記バイポーラ電極は、前記バイポーラ電極の金属板の一方面に正極が設けられ、かつ他方面に負極が設けられており、
前記積層方向から見て、前記露出面の外縁は、前記バイポーラ電極の金属板に設けられた前記樹脂部よりも内側、かつ、前記正極の外縁及び前記負極の外縁のうち外側に位置する外縁と一致、または、前記正極の外縁及び前記負極の外縁よりも外側に位置している、請求項１に記載の蓄電装置。 The outer surface of the metal plate at the end of the stack has an exposed surface exposed from the resin portion,
The conductive plate is placed in contact with the exposed surface,
The bipolar electrode has a positive electrode provided on one side of the metal plate of the bipolar electrode and a negative electrode provided on the other side,
When viewed from the stacking direction, the outer edge of the exposed surface is positioned inside the resin portion provided on the metal plate of the bipolar electrode and outside of the outer edge of the positive electrode and the outer edge of the negative electrode. 2. The power storage device according to claim 1, which coincides with or is positioned outside an outer edge of the positive electrode and an outer edge of the negative electrode.
前記積層方向から見て、前記積層端の金属板の外面に設けられた前記樹脂部の内周端は、前記正極の外縁及び前記負極の外縁のうち外側に位置する外縁と一致、または、前記正極の外縁及び前記負極の外縁よりも外側に位置している、請求項１に記載の蓄電装置。 The bipolar electrode has a positive electrode provided on one side of the metal plate of the bipolar electrode and a negative electrode provided on the other side,
When viewed from the stacking direction, the inner peripheral end of the resin portion provided on the outer surface of the metal plate at the end of the stack coincides with the outer edge of the outer edge of the positive electrode and the outer edge of the negative electrode. 2. The power storage device according to claim 1, positioned outside an outer edge of the positive electrode and an outer edge of the negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020009774A JP7420566B2 (en) | 2020-01-24 | 2020-01-24 | Power storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020009774A JP7420566B2 (en) | 2020-01-24 | 2020-01-24 | Power storage device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021118073A JP2021118073A (en) | 2021-08-10 |
| JP2021118073A5 true JP2021118073A5 (en) | 2022-11-15 |
| JP7420566B2 JP7420566B2 (en) | 2024-01-23 |
Family
ID=77175096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020009774A Active JP7420566B2 (en) | 2020-01-24 | 2020-01-24 | Power storage device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7420566B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024034403A1 (en) * | 2022-08-12 | 2024-02-15 | 株式会社豊田自動織機 | Electric power storage module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005259379A (en) | 2004-03-09 | 2005-09-22 | Nissan Motor Co Ltd | Bipolar battery |
| JP6897124B2 (en) | 2017-01-31 | 2021-06-30 | 株式会社豊田自動織機 | Power storage module |
| JP6899347B2 (en) | 2018-03-09 | 2021-07-07 | 株式会社豊田自動織機 | Power storage device |
| JP7102912B2 (en) | 2018-04-27 | 2022-07-20 | 株式会社豊田自動織機 | Manufacturing method of power storage module and power storage module |
| JP6948284B2 (en) | 2018-06-01 | 2021-10-13 | 株式会社豊田自動織機 | Power storage module |
-
2020
- 2020-01-24 JP JP2020009774A patent/JP7420566B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2018101599A5 (en) | ||
| JP2018125142A5 (en) | ||
| JP6952900B2 (en) | Square-pouch hybrid battery module | |
| JP6622911B2 (en) | Electrode assembly in which bay portion is formed in electrode plate and secondary battery including the same | |
| JP2007087907A (en) | Case structure of power storage unit cell | |
| US20150079460A1 (en) | Rechargeable battery | |
| JP2021118073A5 (en) | ||
| JP2019012653A5 (en) | ||
| JP7308923B2 (en) | electrochemical cell module | |
| CN209000959U (en) | Secondary cell | |
| JPWO2021193436A5 (en) | ||
| JP2019079614A5 (en) | ||
| JP2014232765A (en) | Power storage device | |
| KR102414195B1 (en) | Pouch for rechargeable battery and rechargeable battery comprising the same | |
| JP2021118076A5 (en) | ||
| JP6927312B2 (en) | Power storage device | |
| KR102238177B1 (en) | Battery cell and method of preparing electrode lead | |
| JPWO2020067375A5 (en) | ||
| JP2020030962A5 (en) | ||
| KR101327767B1 (en) | Battery cell | |
| JPWO2021117827A5 (en) | ||
| JP2019117757A5 (en) | ||
| CN115244779B (en) | Battery and method for manufacturing battery | |
| CN220830087U (en) | Battery cell | |
| JP2020102412A (en) | Power storage device |