JP7374335B2 - 電池ユニットおよび電子デバイス - Google Patents
電池ユニットおよび電子デバイス Download PDFInfo
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- JP7374335B2 JP7374335B2 JP2022548490A JP2022548490A JP7374335B2 JP 7374335 B2 JP7374335 B2 JP 7374335B2 JP 2022548490 A JP2022548490 A JP 2022548490A JP 2022548490 A JP2022548490 A JP 2022548490A JP 7374335 B2 JP7374335 B2 JP 7374335B2
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- battery unit
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- electrode assembly
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- 239000003792 electrolyte Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 17
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 13
- 229910001416 lithium ion Inorganic materials 0.000 description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000002985 plastic film Substances 0.000 description 6
- 229920006255 plastic film Polymers 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 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
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Description
Claims (10)
- 電池ユニットであって、
前記電池ユニットの厚さ方向において厚さT1mmを有する電極組立体と、
前記電極組立体を収容し、前記厚さ方向において厚さT2mmを有するケースと、を備え、
前記ケースは、
第1の表面と、
前記第1の表面に対向する第2の表面と、
前記第2の表面に接続され、半径がRmmである円弧状の第1の側辺と、
前記第1の側辺に接続され、前記電極組立体の側面の少なくとも一部を取り囲む第3の表面と、
第1の部分と第2の部分を含む第2の側辺と、を備え、
前記第1の部分は前記第1の表面の第1のエッジおよび前記第3の表面の第2のエッジを始点として前記電極組立体から離れる方向に向かって延在し、前記第2の部分は前記電極組立体に接近する方向に向かって延在し、且つ前記第2の部分が末端縁を有し、前記末端縁は前記第3の表面に接続され、前記第3の表面の第2のエッジが前記厚さ方向に位置する平面と前記末端縁が前記厚さ方向に位置する平面との間は前記厚さ方向に沿って長さZmmを有し、且つ(T2-Z)/2≦R≦T1/2+0.3である
ことを特徴とする、電池ユニット。 - 前記厚さ方向に垂直する前記電池ユニットの幅方向に沿って、前記第2の側辺と前記第2の側辺の隣の前記電極組立体との最大距離はDmmであり、0.3<D<0.9である
ことを特徴とする、請求項1に記載の電池ユニット。 - 前記長さZは、前記第1の側辺の半径Rの扇形領域Sの前記厚さ方向における高さHmm以下であり、前記高さHは、前記第3の表面の第2のエッジが前記厚さ方向に位置する平面から、前記厚さ方向に沿って、前記扇形領域Sの前記厚さ方向における最も低い位置まで測定されるものである
ことを特徴とする、請求項2に記載の電池ユニット。 - Z<0.8T2である
ことを特徴とする、請求項3に記載の電池ユニット。 - 0.2T2<Zである
ことを特徴とする、請求項4に記載の電池ユニット。 - 0<T2-T1<0.2である
ことを特徴とする、請求項1に記載の電池ユニット。 - 前記第2の側辺は、一回折り曲げ構造又は二回折り曲げ構造であり、前記第2の部分の少なくとも一部が前記ケースの第3の表面に密接的に貼り付けられている
ことを特徴とする、請求項1に記載の電池ユニット。 - 前記電極組立体は、間隔を空けて設けられた第1の電極シートと第2の電極シートを巻き付けて形成され、前記第1の電極シートと第2の電極シートとの間にセパレータが設けられている
ことを特徴とする、請求項1に記載の電池ユニット。 - 前記電池ユニットは、前記ケース内にある電解液を含む
ことを特徴とする、請求項8に記載の電池ユニット。 - 電子デバイスであって、請求項1~9のいずれか一項に記載の1つ又は複数の電池ユニットを備えることを特徴とする、電子デバイス。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2020/075089 WO2021159390A1 (zh) | 2020-02-13 | 2020-02-13 | 电池单元及电子设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023513268A JP2023513268A (ja) | 2023-03-30 |
JP7374335B2 true JP7374335B2 (ja) | 2023-11-06 |
Family
ID=77292648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022548490A Active JP7374335B2 (ja) | 2020-02-13 | 2020-02-13 | 電池ユニットおよび電子デバイス |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220393247A1 (ja) |
EP (1) | EP4092814A4 (ja) |
JP (1) | JP7374335B2 (ja) |
CN (1) | CN113728494B (ja) |
WO (1) | WO2021159390A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001325925A (ja) | 2000-05-17 | 2001-11-22 | Yuasa Corp | 密閉形電池 |
JP2007200824A (ja) | 2006-01-30 | 2007-08-09 | Toshiba Battery Co Ltd | 非水電解質電池 |
JP2013157286A (ja) | 2012-01-31 | 2013-08-15 | Toppan Printing Co Ltd | 蓄電デバイス |
US20210126305A1 (en) | 2019-07-23 | 2021-04-29 | Contemporary Amperex Technology Co., Limited | Secondary battery |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3339287B2 (ja) * | 1996-02-20 | 2002-10-28 | 松下電器産業株式会社 | 密閉された角型蓄電池 |
KR101106395B1 (ko) * | 2009-10-15 | 2012-01-17 | 삼성에스디아이 주식회사 | 이차전지 및 그 제조방법 |
JP5681005B2 (ja) * | 2011-03-14 | 2015-03-04 | 日立マクセル株式会社 | 扁平形電池 |
US20150118543A1 (en) * | 2012-05-14 | 2015-04-30 | Eig Ltd. | Pouch-type battery with improved safety by coating sealing unit with flame retardant and heat resistant resin composition prepared by mixing flame retardant material and heat resistant material to thermoplastic resin or thermosetting resin and production method thereof |
KR102198004B1 (ko) * | 2014-02-12 | 2021-01-04 | 삼성에스디아이 주식회사 | 이차 전지 |
CN205122651U (zh) * | 2015-11-02 | 2016-03-30 | 宁德新能源科技有限公司 | 软包装锂离子电池 |
KR102576167B1 (ko) * | 2016-12-20 | 2023-09-07 | 에스케이온 주식회사 | 파우치형 이차 전지 |
CN210040267U (zh) * | 2019-07-08 | 2020-02-07 | 江苏时代新能源科技有限公司 | 二次电池 |
-
2020
- 2020-02-13 CN CN202080029994.3A patent/CN113728494B/zh active Active
- 2020-02-13 EP EP20919351.5A patent/EP4092814A4/en active Pending
- 2020-02-13 JP JP2022548490A patent/JP7374335B2/ja active Active
- 2020-02-13 WO PCT/CN2020/075089 patent/WO2021159390A1/zh unknown
-
2022
- 2022-08-12 US US17/886,708 patent/US20220393247A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001325925A (ja) | 2000-05-17 | 2001-11-22 | Yuasa Corp | 密閉形電池 |
JP2007200824A (ja) | 2006-01-30 | 2007-08-09 | Toshiba Battery Co Ltd | 非水電解質電池 |
JP2013157286A (ja) | 2012-01-31 | 2013-08-15 | Toppan Printing Co Ltd | 蓄電デバイス |
US20210126305A1 (en) | 2019-07-23 | 2021-04-29 | Contemporary Amperex Technology Co., Limited | Secondary battery |
Also Published As
Publication number | Publication date |
---|---|
WO2021159390A1 (zh) | 2021-08-19 |
EP4092814A4 (en) | 2023-03-22 |
JP2023513268A (ja) | 2023-03-30 |
CN113728494A (zh) | 2021-11-30 |
EP4092814A1 (en) | 2022-11-23 |
CN113728494B (zh) | 2022-10-25 |
US20220393247A1 (en) | 2022-12-08 |
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