JP2009193862A - 電池用安全装置 - Google Patents
電池用安全装置 Download PDFInfo
- Publication number
- JP2009193862A JP2009193862A JP2008034691A JP2008034691A JP2009193862A JP 2009193862 A JP2009193862 A JP 2009193862A JP 2008034691 A JP2008034691 A JP 2008034691A JP 2008034691 A JP2008034691 A JP 2008034691A JP 2009193862 A JP2009193862 A JP 2009193862A
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- Prior art keywords
- battery
- safety valve
- disk
- ring material
- safety device
- Prior art date
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- Granted
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- 239000000463 material Substances 0.000 claims abstract description 69
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 claims description 33
- 239000012212 insulator Substances 0.000 claims description 31
- 238000010248 power generation Methods 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 230000005856 abnormality Effects 0.000 description 13
- 230000002159 abnormal effect Effects 0.000 description 8
- 238000003776 cleavage reaction Methods 0.000 description 8
- 230000007017 scission Effects 0.000 description 8
- 238000007747 plating Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Abstract
【解決手段】ニッケルめっきされた鉄系材料で形成される電池蓋1とアルミニウム系金属で形成され、電流遮断機構とガス放出機構を有する安全弁10との間に、ニッケル系金属8とアルミニュウム系金属9とからなるリング材2を、電池蓋1と安全弁10との間に配置し、電池蓋1とリング材2のニッケル系金属面、及び、リング材2のアルミニウム系金属面と安全弁10とをそれぞれ溶接し、電池蓋1、リング材2及び安全弁10を接続させた電池用安全装置。
【選択図】図1
Description
1 電池蓋
1A 接合部の突起
1B 電池蓋の凹面
1C 電池蓋のフランジ
2 リング材
3 電池蓋とリング材の溶接部
4 リング材と安全弁の溶接部
5 ガスケット
6 電池外装缶
7 電池蓋の排気孔
8 リング材のニッケル系金属部
9 リング材のアルミニウム系金属部
10 安全弁
11 安全弁のフランジ部
12 安全弁の凹面
12a 凹面の内径
13 突起部
13a 突起部の径
13b 突起部の深さ
14 溝部の不連続部
14a 不連続部の大きさ
15 溝部
16 線状溝部
17 外周端部
18 下部外周部
20 インシュレーター
21 インシュレーターの中央孔
22 インシュレーターのガス通過孔
23 インシュレーターの圧着・移動防止
30 ディスク
31 ディスクの貫通孔
32 ディスクのガス抜き孔
33 薄肉部
33a 薄肉部の厚さ
34 ディスクの圧着・移動防止
40 サブディスク
50 リード
Claims (4)
- ニッケルめっきされた鉄系材料で形成される電池蓋とアルミニウム系金属で形成され、電流遮断機構とガス放出機構を有する安全弁との間に、ニッケル系金属とアルミニウム系金属とからなるリング材を、前記電池蓋と前記安全弁との間に配置し、前記電池蓋と前記リング材のニッケル系金属面、及び、前記リング材のアルミニウム系金属面と前記安全弁とをそれぞれ溶接し、前記電池蓋、前記リング材及び前記安全弁を接続させたことを特徴とする電池用安全装置。
- 請求項1に記載の電池用安全装置において、前記安全弁にインシュレーター、ディスク及びサブディスクが組付けられていることを特徴とする電池用安全装置。
- 請求項1あるいは請求項2のいずれかに記載の電池用安全装置において、前記リング材を構成するニッケル系金属及びアルミニウム系金属の厚さが、それぞれ0.02〜1mmの範囲にあることを特徴とする電池用安全装置。
- 請求項1〜請求項3のいずれかの1項に記載の電池用安全装置を発電要素の上部に設置し、前記電池用安全装置と発電要素からのリードと接続させたことを特徴とする二次電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008034691A JP4405560B2 (ja) | 2008-02-15 | 2008-02-15 | 電池用安全装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008034691A JP4405560B2 (ja) | 2008-02-15 | 2008-02-15 | 電池用安全装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009193862A true JP2009193862A (ja) | 2009-08-27 |
JP4405560B2 JP4405560B2 (ja) | 2010-01-27 |
Family
ID=41075695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008034691A Expired - Fee Related JP4405560B2 (ja) | 2008-02-15 | 2008-02-15 | 電池用安全装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4405560B2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010135320A (ja) * | 2008-12-08 | 2010-06-17 | Samsung Sdi Co Ltd | 2次電池 |
CN101794872A (zh) * | 2010-04-28 | 2010-08-04 | 谢振华 | 铝壳电池底部极或盖板的转换焊接导电金属片的加工方法 |
WO2015182136A1 (ja) * | 2014-05-30 | 2015-12-03 | パナソニックIpマネジメント株式会社 | 円筒形リチウムイオン二次電池 |
WO2018110064A1 (ja) | 2016-12-16 | 2018-06-21 | 株式会社村田製作所 | 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
US11424477B2 (en) | 2017-06-15 | 2022-08-23 | Murata Manufacturing Co., Ltd. | Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus |
-
2008
- 2008-02-15 JP JP2008034691A patent/JP4405560B2/ja not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010135320A (ja) * | 2008-12-08 | 2010-06-17 | Samsung Sdi Co Ltd | 2次電池 |
US8535828B2 (en) | 2008-12-08 | 2013-09-17 | Samsung Sdi Co., Ltd. | Rechargeable battery |
CN101794872A (zh) * | 2010-04-28 | 2010-08-04 | 谢振华 | 铝壳电池底部极或盖板的转换焊接导电金属片的加工方法 |
WO2015182136A1 (ja) * | 2014-05-30 | 2015-12-03 | パナソニックIpマネジメント株式会社 | 円筒形リチウムイオン二次電池 |
US10305077B2 (en) | 2014-05-30 | 2019-05-28 | Panasonic Intellectual Property Mgmt Co., Ltd. | Cylindrical lithium-ion secondary battery |
WO2018110064A1 (ja) | 2016-12-16 | 2018-06-21 | 株式会社村田製作所 | 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
CN110073518A (zh) * | 2016-12-16 | 2019-07-30 | 株式会社村田制作所 | 二次电池、电池组、电动车辆、蓄电系统、电动工具以及电子设备 |
EP3525262A4 (en) * | 2016-12-16 | 2020-06-03 | Murata Manufacturing Co., Ltd. | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ENERGY STORAGE SYSTEM, ELECTRIC TOOL AND ELECTRONIC DEVICE |
CN110073518B (zh) * | 2016-12-16 | 2022-02-08 | 株式会社村田制作所 | 二次电池、电池组、电动车辆、蓄电系统、电动工具以及电子设备 |
US11581568B2 (en) | 2016-12-16 | 2023-02-14 | Murata Manufacturing Co., Ltd. | Secondary battery, battery pack, electric vehicle, power storage system, power tool, and electronic device |
US11424477B2 (en) | 2017-06-15 | 2022-08-23 | Murata Manufacturing Co., Ltd. | Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP4405560B2 (ja) | 2010-01-27 |
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