JP7457150B2 - 電極組立体、電池セル、電池及び電力消費装置 - Google Patents
電極組立体、電池セル、電池及び電力消費装置 Download PDFInfo
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- 238000000429 assembly Methods 0.000 title description 5
- 238000002955 isolation Methods 0.000 claims description 32
- 238000010586 diagram Methods 0.000 description 27
- 239000007773 negative electrode material Substances 0.000 description 9
- 239000007774 positive electrode material Substances 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
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- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Description
Claims (12)
- 第1の平坦部及び前記第1の平坦部の第1の方向に沿う端部に接続された第1のタブを含む少なくとも1つの第1の電極シートと、
前記第1の電極シートと逆極性であり、かつ第2の平坦部を含む少なくとも1つの第2の電極シートと、
前記第1の電極シートと前記第2の電極シートとを隔離するための第1のセパレータ及び第2のセパレータとを備え、
前記第1の平坦部と前記第2の平坦部とは、前記第1の方向に対し垂直である第2の方向に沿って積層されており、
前記第1のセパレータは、第1の隔離部、第1の折り曲げ部及び第1の延出部を含み、前記第2のセパレータは、第2の隔離部を含み、前記第1の隔離部と前記第2の隔離部とはそれぞれ前記第2の平坦部の前記第2の方向に沿う両側に位置し、かつ前記第1の平坦部と前記第2の平坦部とを隔離し、前記第1の延出部は、少なくとも一部が前記第2の平坦部の前記第1の隔離部から離れた側に設置され、かつ前記第1の平坦部と前記第2の平坦部との間に位置し、前記第1の折り曲げ部は、前記第1の隔離部と前記第1の延出部とに接続され、かつ前記第2の平坦部の前記第1の方向における前記第1のタブに近接する側に位置し、前記第1の折り曲げ部と前記第1の延出部とは、前記第1のタブが前記第1の平坦部と前記第2の平坦部との間に挿入されるときに前記第2の平坦部と前記第1のタブとを隔離するように配置されており、
前記第1の平坦部は、前記第1の方向における両端に第1の端部及び第2の端部を有し、前記第1のタブは、前記第1の端部に接続され、
前記第2の平坦部は、前記第1の方向における両端に第3の端部及び第4の端部を有し、前記第3の端部は、前記第4の端部よりも前記第1のタブに近く、前記第1の折り曲げ部は少なくとも前記第3の端部の一部を被覆しており、
前記第2の電極シートは、前記第4の端部に接続された第2のタブを更に含み、
前記第2の平坦部の前記第2の方向に沿う両側にいずれも前記第1の平坦部が設置され、
前記第1のセパレータは、第3の折り曲げ部及び第3の延出部を更に含み、前記第1の延出部と前記第3の延出部とは、それぞれ前記第1の隔離部の前記第2の方向に沿う両側に位置し、かつ前記第3の延出部は、少なくとも一部が前記第1の平坦部の前記第1の隔離部から離れた側に位置し、前記第3の折り曲げ部は、前記第1の隔離部と前記第3の延出部とに接続され、かつ少なくとも一部が前記第2の端部を被覆している、電極組立体。 - 前記第1の折り曲げ部は、前記第3の端部を完全に被覆している請求項1に記載の電極組立体。
- 前記第1のセパレータは、前記第2の電極シートの前記第1の方向における前記第1のタブに近接する端部を完全に被覆している請求項2に記載の電極組立体。
- 前記第2の電極シートは、前記第4の端部に接続された第2のタブを更に含み、
前記第2のセパレータは、少なくとも一部が前記第1の平坦部の前記第2の隔離部から離れた側に設置された第2の延出部と、前記第2の隔離部と前記第2の延出部とに接続され、かつ少なくとも一部が前記第2の端部を被覆する第2の折り曲げ部とを更に含む請求項1~3のいずれか一項に記載の電極組立体。 - 第1の平坦部及び前記第1の平坦部の第1の方向に沿う端部に接続された第1のタブを含む少なくとも1つの第1の電極シートと、
前記第1の電極シートと逆極性であり、かつ第2の平坦部を含む少なくとも1つの第2の電極シートと、
前記第1の電極シートと前記第2の電極シートとを隔離するための第1のセパレータ及び第2のセパレータとを備え、
前記第1の平坦部と前記第2の平坦部とは、前記第1の方向に対し垂直である第2の方向に沿って積層されており、
前記第1のセパレータは、第1の隔離部、第1の折り曲げ部及び第1の延出部を含み、前記第2のセパレータは、第2の隔離部を含み、前記第1の隔離部と前記第2の隔離部とはそれぞれ前記第2の平坦部の前記第2の方向に沿う両側に位置し、かつ前記第1の平坦部と前記第2の平坦部とを隔離し、前記第1の延出部は、少なくとも一部が前記第2の平坦部の前記第1の隔離部から離れた側に設置され、かつ前記第1の平坦部と前記第2の平坦部との間に位置し、前記第1の折り曲げ部は、前記第1の隔離部と前記第1の延出部とに接続され、かつ前記第2の平坦部の前記第1の方向における前記第1のタブに近接する側に位置し、前記第1の折り曲げ部と前記第1の延出部とは、前記第1のタブが前記第1の平坦部と前記第2の平坦部との間に挿入されるときに前記第2の平坦部と前記第1のタブとを隔離するように配置されており、
前記第1の平坦部は、前記第1の方向における両端に第1の端部及び第2の端部を有し、前記第1のタブは、前記第1の端部に接続され、
前記第2の平坦部は、前記第1の方向における両端に第3の端部及び第4の端部を有し、前記第3の端部は、前記第4の端部よりも前記第1のタブに近く、前記第1の折り曲げ部は少なくとも前記第3の端部の一部を被覆しており、
前記第2の電極シートは、前記第3の端部に接続された第2のタブを更に含み、前記第1の折り曲げ部は、前記第3の端部の一部を被覆し、
前記第1の方向と前記第2の方向に対し垂直である第3の方向において、前記第1のタブと前記第2のタブとは、間隔を置いて設置されている、電極組立体。 - 前記第1のタブは、前記第3の方向において対向して設置された2つの第1の縁部を有し、前記第1の折り曲げ部は、前記第3の方向において対向して設置された2つの第2の縁部を有し、前記第3の方向において、各前記第2の縁部は、それに対応する前記第1の縁部を超えている請求項5に記載の電極組立体。
- 前記第2のセパレータは、第2の折り曲げ部及び第2の延出部を更に含み、第2の延出部は、少なくとも一部が前記第1の平坦部の前記第2の隔離部から離れた側に設置され、前記第2の折り曲げ部は、前記第2の隔離部と前記第2の延出部とに接続され、かつ前記第1の端部の一部を被覆している請求項5又は6に記載の電極組立体。
- 前記第2の平坦部の前記第2の方向に沿う両側に、いずれも前記第1の平坦部が設置され、
前記第1のセパレータは、第3の折り曲げ部及び第3の延出部を更に含み、前記第1の延出部と前記第3の延出部とは、それぞれ前記第1の隔離部の前記第2の方向に沿う両側に位置し、かつ前記第3の延出部は、少なくとも一部が前記第1の平坦部の前記第1の隔離部から離れた側に位置し、前記第3の折り曲げ部は、前記第1の隔離部と前記第3の延出部とに接続され、かつ少なくとも一部が前記第1の端部を被覆し、
前記第3の方向において、前記第3の折り曲げ部と前記第1の折り曲げ部とは間隔を置いて設置されている請求項5又は6に記載の電極組立体。 - 前記第1の延出部は、前記第2の隔離部と前記第2の平坦部との間に位置する請求項1~8のいずれか一項に記載の電極組立体。
- 少なくとも1つの請求項1~9のいずれか一項に記載の電極組立体と、
開口及び前記電極組立体を収容するための収容室を有するケースと、
前記ケースの開口を密閉するエンドカバーと、を含む、電池セル。 - 筐体と、前記筐体内に収容される少なくとも1つの請求項10に記載の電池セルと、を含む電池。
- 電気エネルギーを供給するための請求項11に記載の電池を備える電力消費装置。
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WO1988008210A1 (en) * | 1987-04-15 | 1988-10-20 | Ricoh Company, Ltd. | Sheet-like electrode, method of producing the same, and secondary cell |
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DE112016000786T5 (de) * | 2015-02-17 | 2017-11-23 | Gs Yuasa International Ltd. | Energiespeichereinrichtung, Energiespeichergerät und Automobil |
JP6961398B2 (ja) * | 2017-06-14 | 2021-11-05 | 株式会社エンビジョンAescジャパン | リチウムイオン二次電池素子およびリチウムイオン二次電池 |
CN112467230B (zh) * | 2020-12-02 | 2022-02-15 | 珠海冠宇电池股份有限公司 | 电芯及锂离子电池 |
CN214254487U (zh) * | 2020-12-17 | 2021-09-21 | 宁德时代新能源科技股份有限公司 | 电极组件、电池单体、电池以及用电装置 |
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JP2003303624A (ja) | 2002-04-11 | 2003-10-24 | Sony Corp | 非水電解質二次電池 |
US20090208832A1 (en) | 2008-02-17 | 2009-08-20 | Porous Power Technologies, Llc | Lamination Configurations for Battery Applications Using PVDF Highly Porous Film |
JP2011129299A (ja) | 2009-12-16 | 2011-06-30 | Toyota Motor Corp | リチウムイオン二次電池、車両及び電池搭載機器 |
JP2014067633A (ja) | 2012-09-26 | 2014-04-17 | Lithium Energy Japan:Kk | 蓄電素子 |
JP2017059326A (ja) | 2015-09-14 | 2017-03-23 | 日立オートモティブシステムズ株式会社 | 二次電池 |
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