JP4665427B2 - 扁平型密閉電池 - Google Patents
扁平型密閉電池 Download PDFInfo
- Publication number
- JP4665427B2 JP4665427B2 JP2004120172A JP2004120172A JP4665427B2 JP 4665427 B2 JP4665427 B2 JP 4665427B2 JP 2004120172 A JP2004120172 A JP 2004120172A JP 2004120172 A JP2004120172 A JP 2004120172A JP 4665427 B2 JP4665427 B2 JP 4665427B2
- Authority
- JP
- Japan
- Prior art keywords
- safety valve
- long side
- sealing plate
- battery
- plate
- 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.)
- Expired - Fee Related
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Classifications
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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
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- Gas Exhaust Devices For Batteries (AREA)
Description
図1で説明した安全弁の長辺が、封口板の長辺と垂直方向に配置され、安全弁の長辺端面から、封口板の短辺端面までの距離が表1に示す0.5mm〜2.0mmの封口板を組み立て、扁平型密閉電池を各5000セル作製した。
安全弁の長辺を、封口板の長辺と垂直に配置し、安全弁の長辺端面から、封口板の短辺端面までの距離が0.2mmの封口板を組み立て、扁平型密閉電池を5000セル作製した。
安全弁の長辺を、封口板の長辺と平行に配置し、安全弁の短辺端面から、封口板の短辺端面までの距離が1.0mmの封口板を、実施例1と同様にして組み立て、扁平型密閉電池を5000セル作製した。
安全弁の長辺が、封口板の長辺と垂直方向に配置され、安全弁の長辺端面から、封口板の短辺端面までの距離を1.0mmと固定した封口板を用いた。さらに、安全弁の短辺を2.0mmと固定し、安全弁の長辺の寸法を変えることにより、安全弁の短辺に対する長辺の比が表2に示す1.2〜2.8の封口板を作製した。
2 上部ガスケット
3 下部ガスケット
4 ワッシャ
5 リベット
6 ケース
7 安全弁
8 安全弁用穴部
9 アルミニウム箔
10 封口板
11 極板群
12 絶縁体
13 正極リード
14 負極リード
15 封栓
16、17 弾性体
18 高圧空気源
Claims (2)
- 正極板と、負極板とが、セパレータを介して渦巻き状に巻かれた極板群を有し、前記極板群は、非水電解液とともに有底電池ケース内に収納され、前記電池ケースの開口部は、安全弁を有する封口板で封口されている扁平型密閉電池であって、
前記安全弁は、直線部とこれに連なる曲線部、または直線部とこれに連なる曲線部の一部が略直線部で形成され、
前記安全弁の長辺は、前記直線部を含み、前記封口板の長辺と垂直方向に配置されており、前記安全弁の長辺端面から前記封口板の短辺端面までの距離が、0.5mm以上である扁平型密閉電池。 - 前記安全弁の短辺に対する長辺の比が1.4〜2.2である請求項1記載の扁平型密閉電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004120172A JP4665427B2 (ja) | 2004-04-15 | 2004-04-15 | 扁平型密閉電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004120172A JP4665427B2 (ja) | 2004-04-15 | 2004-04-15 | 扁平型密閉電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005302636A JP2005302636A (ja) | 2005-10-27 |
JP4665427B2 true JP4665427B2 (ja) | 2011-04-06 |
Family
ID=35333855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004120172A Expired - Fee Related JP4665427B2 (ja) | 2004-04-15 | 2004-04-15 | 扁平型密閉電池 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4665427B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115832596A (zh) * | 2021-10-19 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | 电池单体 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10241651A (ja) * | 1996-12-25 | 1998-09-11 | Matsushita Electric Ind Co Ltd | 角形非水電解液電池とその封口板の製造法 |
JP2000223102A (ja) * | 1999-01-27 | 2000-08-11 | Nec Mobile Energy Kk | 密閉型電池 |
JP2000348700A (ja) * | 1999-06-03 | 2000-12-15 | Alps Electric Co Ltd | 電池の安全弁 |
JP2001256944A (ja) * | 2000-03-09 | 2001-09-21 | Sanyo Electric Co Ltd | 電池の安全弁及びその製造方法 |
JP2005108584A (ja) * | 2003-09-30 | 2005-04-21 | Hitachi Maxell Ltd | 密閉角形電池 |
-
2004
- 2004-04-15 JP JP2004120172A patent/JP4665427B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10241651A (ja) * | 1996-12-25 | 1998-09-11 | Matsushita Electric Ind Co Ltd | 角形非水電解液電池とその封口板の製造法 |
JP2000223102A (ja) * | 1999-01-27 | 2000-08-11 | Nec Mobile Energy Kk | 密閉型電池 |
JP2000348700A (ja) * | 1999-06-03 | 2000-12-15 | Alps Electric Co Ltd | 電池の安全弁 |
JP2001256944A (ja) * | 2000-03-09 | 2001-09-21 | Sanyo Electric Co Ltd | 電池の安全弁及びその製造方法 |
JP2005108584A (ja) * | 2003-09-30 | 2005-04-21 | Hitachi Maxell Ltd | 密閉角形電池 |
Also Published As
Publication number | Publication date |
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JP2005302636A (ja) | 2005-10-27 |
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