JP6027456B2 - 保護回路を有する二次電池パック - Google Patents
保護回路を有する二次電池パック Download PDFInfo
- Publication number
- JP6027456B2 JP6027456B2 JP2013022925A JP2013022925A JP6027456B2 JP 6027456 B2 JP6027456 B2 JP 6027456B2 JP 2013022925 A JP2013022925 A JP 2013022925A JP 2013022925 A JP2013022925 A JP 2013022925A JP 6027456 B2 JP6027456 B2 JP 6027456B2
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- JP
- Japan
- Prior art keywords
- secondary battery
- layer
- terminal
- protection circuit
- charge
- 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.)
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Classifications
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- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- 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
- H01M50/50—Current conducting connections for cells or batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Description
図1は、本発明の一実施の形態における二次電池パックの回路構成を示すブロック図である。図11に示した従来例と同様の構成要素については同一の参照符号を付して、説明の繰り返しを簡略化する。
2 保護回路
3 セル正極端子
4 セル負極端子
5 正極出力端子
6 負極出力端子
7、21 PTC素子
8 充放電制御スイッチ
8a、8b スイッチ回路
9a 放電制御FET
9b 寄生ダイオード
10a 充電制御FET
10b 寄生ダイオード
11 保護IC
12 ブレーカー
13、14 回路端子
15〜17 配線材
18 枠体
19、20 リード端子
22 バイメタル
23 屈曲部
24 端子突起
25 キャップフレーム
26 出力端子
27 外装缶
28 保護回路基板
29 電極棒
30、31 溶接ポイント
32 不要溶接部
Claims (2)
- 二次電池と、前記二次電池の一対のセル電極端子と外部出力端子との間の充放電路中に配置された保護回路とを備え、
前記保護回路は、前記充放電路に直列に挿入された充放電制御スイッチと、前記充放電路を流れる電流を検出する電流検出部を有し、前記電流検出部の検出値が過電流域に達したときに、前記充放電制御スイッチをオフに制御するように構成され、
前記保護回路が実装された保護回路基板が、前記二次電池の前記セル電極端子と対向して装着された二次電池パックにおいて、
前記二次電池の前記一対のセル電極端子の各々と、前記保護回路基板の回路端子の間を接続する配線材として、Ni層と、Cu層またはCu合金層とからなるCu−Niクラッド材が用いられ、
前記配線材は、前記セル電極端子及び前記回路端子に対してCu層側を当接させて抵抗溶接されていることを特徴とする二次電池パック。 - 前記回路端子と前記セル電極端子との間を接続する前記配線材は、前記Ni層を内側にしてU字状に180度の角度で屈曲されて、上側及び下側の屈曲片を形成し、上側の屈曲片及び下側の屈曲片が各々、前記回路端子及び前記セル電極端子に対してCu層を対向させている請求項1に記載の二次電池パック。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013022925A JP6027456B2 (ja) | 2013-02-08 | 2013-02-08 | 保護回路を有する二次電池パック |
PCT/JP2014/050813 WO2014122960A1 (ja) | 2013-02-08 | 2014-01-17 | 保護回路を有する二次電池パック |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013022925A JP6027456B2 (ja) | 2013-02-08 | 2013-02-08 | 保護回路を有する二次電池パック |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014154345A JP2014154345A (ja) | 2014-08-25 |
JP6027456B2 true JP6027456B2 (ja) | 2016-11-16 |
Family
ID=51299557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013022925A Active JP6027456B2 (ja) | 2013-02-08 | 2013-02-08 | 保護回路を有する二次電池パック |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6027456B2 (ja) |
WO (1) | WO2014122960A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6097637B2 (ja) * | 2013-05-22 | 2017-03-15 | 日立マクセル株式会社 | 保護回路を有する二次電池パック |
JP6385310B2 (ja) * | 2015-04-21 | 2018-09-05 | エイブリック株式会社 | バッテリ装置 |
WO2019215908A1 (ja) * | 2018-05-11 | 2019-11-14 | オリンパス株式会社 | 医療用ヒータの製造方法、医療用ヒータ、処置具、及び処置システム |
CN115917855A (zh) * | 2020-09-09 | 2023-04-04 | 柏恩氏株式会社 | 二次电池组及其制造方法 |
WO2022253909A1 (en) * | 2021-06-03 | 2022-12-08 | Green Energy As | Battery management system for high current charging |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3272787B2 (ja) * | 1992-10-27 | 2002-04-08 | 住友特殊金属株式会社 | 接合クラッド板の製造方法 |
JP3676935B2 (ja) * | 1998-12-25 | 2005-07-27 | 松下電器産業株式会社 | 電池パック |
JP3754335B2 (ja) * | 2001-08-31 | 2006-03-08 | 三洋電機株式会社 | パック電池とその製造方法 |
JP2003132862A (ja) * | 2001-10-29 | 2003-05-09 | Nec Tokin Tochigi Ltd | 電池パック |
JP2004127554A (ja) * | 2002-09-30 | 2004-04-22 | Sanyo Electric Co Ltd | 接続リード板およびリード板付き電池 |
JP2005158682A (ja) * | 2003-10-27 | 2005-06-16 | Furukawa Electric Co Ltd:The | サーマルプロテクタ |
JP5004488B2 (ja) * | 2006-03-31 | 2012-08-22 | 三洋電機株式会社 | 電池 |
JP5177490B2 (ja) * | 2007-11-02 | 2013-04-03 | 日立マクセルエナジー株式会社 | 電池パック |
US20100178559A1 (en) * | 2009-01-14 | 2010-07-15 | Ou Mao | Nickel-copper clad tabs for rechargeable battery electrodes and methods of manufacturing |
JP5731836B2 (ja) * | 2010-03-15 | 2015-06-10 | セイコーインスツル株式会社 | 端子付電気化学セルとその製造方法 |
WO2011152478A1 (ja) * | 2010-06-02 | 2011-12-08 | 住友金属工業株式会社 | クラッド材 |
-
2013
- 2013-02-08 JP JP2013022925A patent/JP6027456B2/ja active Active
-
2014
- 2014-01-17 WO PCT/JP2014/050813 patent/WO2014122960A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2014154345A (ja) | 2014-08-25 |
WO2014122960A1 (ja) | 2014-08-14 |
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