JP4815016B2 - 電池接続部材とそれを用いた電池モジュール - Google Patents
電池接続部材とそれを用いた電池モジュール Download PDFInfo
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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
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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
- H01M10/05—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
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
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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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/512—Connection only in parallel
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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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/103—Fuse
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Description
図1は、本発明の実施の形態1における電池モジュールを構成する電池の横断面図である。
=(I2・R・t)/(Cp・ρ・A・L)
=(I2・r・L/A・t)/(Cp・ρ・A・L)
=(I2・r・t)/(Cp・ρ・A2) ・・・式(1)
ここで、Cpは比熱容量、Mは質量、Rは抵抗、ρは密度、Lは長さ、rは電気抵抗率である。なお、式(1)から分かるように、温度上昇ΔTは、ヒューズ部25cの長さ(L)によらない。
1a 正極集電体
1b 正極層
2 負極
3 セパレータ
4 電極群
5 電池ケース
6 封口板
7 ガスケット
8 正極リード
9 負極リード
10a、10b 絶縁板
11 負極集電体
15 負極層
16 正極キャップ
17 排気孔
18 電流遮断部材
19 ベント機構
20 蓋体
21 穴
25 正極側接続部材
25a 主導電経路部
25b 接続端子
25c ヒューズ部
26 負極側接続部材
27 正極側端子
28 負極側端子
29 電池
29a 正極
30 収納部
31 隔壁
40 貫通孔
50 空間
100、200 電池モジュール
Claims (15)
- 複数の電池を並列に接続する電池接続部材であって、
主導電経路部と、
前記主導電経路部と前記複数の電池の一方の極とを個々に接続する複数の接続端子とを有し、
前記接続端子は、所定値以上の電流が流れたときに溶断されるヒューズ部を有し、
前記電池接続部材で前記複数の電池を並列に接続したとき、前記ヒューズ部は、前記電池と前記主導電経路部との空間に配置される、電池接続部材。 - 前記ヒューズ部は、前記接続端子と同一部材で一体的に形成されている、請求項1に記載の電池接続部材。
- 前記接続端子は、前記主導電経路部と同一部材で一体的に形成されている、請求項2に記載の電池接続部材。
- 前記接続端子の前記ヒューズ部における断面積は、前記接続端子の他の部分における断面積よりも小さい、請求項2に記載の電池接続部材。
- 前記接続端子は一様な幅を有し、前記接続端子の前記ヒューズ部における厚みは、前記接続端子の他の部分における厚みよりも薄い、請求項4に記載の電池接続部材。
- 前記接続端子の前記ヒューズ部における部材の抵抗は、前記接続端子の他の部分における部材の抵抗よりも大きい、請求項1に記載の電池接続部材。
- 前記ヒューズ部は、チップヒューズで構成されている、請求項6に記載の電池接続部材。
- 複数の電池が収納部に収納された電池モジュールであって、
前記複数の電池は、電池接続部材で並列に接続されており、
前記電池接続部材は、主導電経路部と、該主導電経路部と前記複数の電池の一方の極とを個々に接続する複数の接続端子とを有し、
前記接続端子は、所定値以上の電流が流れたときに溶断されるヒューズ部を有し、
前記ヒューズ部は、前記電池と前記主導電経路部との空間に配置されている、電池モジュール。 - 前記ヒューズ部は、前記接続端子と同一部材で一体的に形成されている、請求項8に記載の電池モジュール。
- 前記接続端子は、前記主導電経路部と同一部材で一体的に形成されている、請求項9に記載の電池モジュール。
- 前記接続端子の前記ヒューズ部における断面積は、前記接続端子の他の部分における断面積よりも小さい、請求項9に記載の電池モジュール。
- 前記接続端子は一様な幅を有し、前記接続端子の前記ヒューズ部における厚みは、前記接続端子の他の部分における厚みよりも薄い、請求項11に記載の電池モジュール。
- 前記接続端子の前記ヒューズ部における部材の抵抗は、前記接続端子の他の部分における部材の抵抗よりも大きい、請求項8に記載の電池モジュール。
- 前記ヒューズ部は、チップヒューズからなる、請求項13に記載の電池モジュール。
- 複数の電池が収納部に収納された電池モジュールであって、
前記複数の電池は、電池接続部材で並列に接続されており、
前記電池接続部材は、主導電経路部と、該主導電経路部と前記複数の電池の一方の極とを個々に接続する複数の接続端子とを有し、
前記主導電経路部は、複数の貫通孔を有し、前記複数の電池の一方の極が前記貫通孔に挿入されて、各電池の肩部に当接して配置されており、
前記電池モジュールは、前記主導電経路部によって、前記収納部と、前記主導電経路部と蓋体との間に形成された空間とに区画され、該空間には、前記複数の電池の一方の極に設けられた排気孔から排出されたガスが前記貫通孔を介して排出されるようになっており、
前記接続端子の一端は、前記複数の電池の一方の極に接続され、前記接続端子の他端は、前記貫通孔を介して前記空間に延出されて、前記主導電経路部に接続されており、
前記接続端子は、所定値以上の電流が流れたときに溶断されるヒューズ部を兼ねている、電池モジュール。
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JP2010550964A JP4815016B2 (ja) | 2009-07-17 | 2010-07-09 | 電池接続部材とそれを用いた電池モジュール |
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JP2009168518 | 2009-07-17 | ||
JP2009168518 | 2009-07-17 | ||
JP2010550964A JP4815016B2 (ja) | 2009-07-17 | 2010-07-09 | 電池接続部材とそれを用いた電池モジュール |
PCT/JP2010/004488 WO2011007535A1 (ja) | 2009-07-17 | 2010-07-09 | 電池接続部材とそれを用いた電池モジュール |
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JP4815016B2 true JP4815016B2 (ja) | 2011-11-16 |
JPWO2011007535A1 JPWO2011007535A1 (ja) | 2012-12-20 |
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US (1) | US9184426B2 (ja) |
EP (1) | EP2339669B1 (ja) |
JP (1) | JP4815016B2 (ja) |
KR (1) | KR20120052189A (ja) |
CN (1) | CN102272980B (ja) |
WO (1) | WO2011007535A1 (ja) |
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- 2010-07-09 JP JP2010550964A patent/JP4815016B2/ja active Active
- 2010-07-09 KR KR1020117005812A patent/KR20120052189A/ko not_active Application Discontinuation
- 2010-07-09 EP EP10799599A patent/EP2339669B1/en active Active
- 2010-07-09 CN CN201080004184.9A patent/CN102272980B/zh active Active
- 2010-07-09 WO PCT/JP2010/004488 patent/WO2011007535A1/ja active Application Filing
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US11145943B2 (en) | 2018-03-29 | 2021-10-12 | Sanyo Electric Co., Ltd. | Battery pack and secondary battery for the same |
Also Published As
Publication number | Publication date |
---|---|
EP2339669B1 (en) | 2013-03-13 |
CN102272980A (zh) | 2011-12-07 |
WO2011007535A1 (ja) | 2011-01-20 |
EP2339669A1 (en) | 2011-06-29 |
US20110177365A1 (en) | 2011-07-21 |
US9184426B2 (en) | 2015-11-10 |
CN102272980B (zh) | 2014-08-27 |
KR20120052189A (ko) | 2012-05-23 |
JPWO2011007535A1 (ja) | 2012-12-20 |
EP2339669A4 (en) | 2012-02-29 |
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