JPH08293295A - Sealing plate of battery - Google Patents
Sealing plate of batteryInfo
- Publication number
- JPH08293295A JPH08293295A JP7098223A JP9822395A JPH08293295A JP H08293295 A JPH08293295 A JP H08293295A JP 7098223 A JP7098223 A JP 7098223A JP 9822395 A JP9822395 A JP 9822395A JP H08293295 A JPH08293295 A JP H08293295A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- gas vent
- battery
- cap
- vent hole
- 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.)
- Granted
Links
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
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、発電要素を収容した電
池ケースの開口部を閉塞する封口板に関し、特に、中央
部にガス抜き孔を設けるとともに周縁部に数個の突起部
を有した皿板を一部品として用いることにより、電池の
耐漏液性を向上させ、さらにその組立も容易に行うこと
ができる封口板を提供するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing plate for closing an opening of a battery case accommodating a power generating element, and more particularly, it has a gas vent hole in the central portion and a plurality of protrusions in the peripheral portion. By using a plate as one component, it is possible to improve the liquid leakage resistance of a battery and provide a sealing plate that can be easily assembled.
【０００２】[0002]
【従来の技術】従来の電池用封口板の断面図を図５に示
す。2. Description of the Related Art FIG. 5 is a sectional view of a conventional battery sealing plate.
【０００３】図５において、１は中央部にガス抜き孔２
を有する凸部３を備えたキャップ状端子板、４は温度が
上昇すると抵抗が増大する特性をもち、中央部にガス抜
き孔を有するＰＴＣ素子、１３は中央部にガス抜き孔２
を有する金属製のスペーサー、６は電池の内圧上昇時に
上方に膨脹するアルミニウム箔等からなる安全弁膜、７
は中央部にガス抜き孔２を有する金属製の皿板、８は絶
縁パッキング、９は正、負いずれか一方の極の極板に接
続されたリード板である。スペーサー１３のガス抜き孔
２と皿板７のガス抜き孔２とは連なっており、電池の内
圧上昇時にはこれらのガス抜き孔の間に配された安全弁
膜６が上方に膨れ上がる。そして、安全弁膜６が所定以
上に膨れあがると、キャップ状端子板の凸部３の内側で
安全弁膜に対向して備えられた切刃により安全弁膜６が
破断され、通気路が形成されて電池内のガスは安全弁膜
の破断部を通り抜けた後スペーサー、ＰＴＣ素子、キャ
ップ状端子板の各ガス抜き孔を通って、電池外部に排出
されていた。In FIG. 5, reference numeral 1 is a gas vent hole 2 in the center.
The cap-shaped terminal plate 4 having the convex portion 3 having the above has a characteristic that the resistance increases as the temperature rises, and the PTC element having the gas vent hole in the central portion, 13 the gas vent hole 2 in the central portion.
A metal spacer 6 having a safety valve membrane 6 made of aluminum foil or the like that expands upward when the internal pressure of the battery rises, 7
Is a metal plate having a gas vent hole 2 in the center, 8 is an insulating packing, and 9 is a lead plate connected to the positive or negative pole plate. The gas vent hole 2 of the spacer 13 and the gas vent hole 2 of the dish plate 7 are connected to each other, and when the internal pressure of the battery rises, the safety valve membrane 6 disposed between these gas vent holes bulges upward. When the safety valve membrane 6 swells more than a predetermined amount, the safety valve membrane 6 is ruptured by the cutting edge provided inside the convex portion 3 of the cap-shaped terminal plate so as to face the safety valve membrane, and an air passage is formed to form a battery. The gas inside passed through the ruptured portion of the safety valve membrane, and then was discharged to the outside of the battery through the gas vent holes of the spacer, the PTC element, and the cap-shaped terminal plate.
【０００４】また、電池内の温度が上昇するとＰＴＣ素
子４の抵抗値が増大し絶縁体として機能して、キャップ
状端子板から電池内にそれ以上の電流が流れ込まないよ
うになっていた。Further, when the temperature inside the battery rises, the resistance value of the PTC element 4 increases and functions as an insulator so that no further current flows from the cap-shaped terminal plate into the battery.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記の
構成ではスペーサーと安全弁膜を保持するため、皿板を
シーマ等によりカシメて一体化している。しかしこのカ
シメ時に皿板が偏心等を起こすため均一な円形にはなり
にくく、電池ケースを封口する際に均一に密閉すること
が困難で、高温保存時などにおける耐漏液性を低下させ
る原因となっていた。However, in the above structure, the plate and the safety valve membrane are held by the plate plate by caulking with a seamer or the like in order to hold the spacer and the safety valve film. However, it is difficult to form a uniform circle due to the eccentricity of the plate during this caulking, and it is difficult to seal the battery case evenly, which may reduce the leakage resistance during high temperature storage. Was there.
【０００６】また、前記封口板の組立工程においては、
ステンレス鋼等の硬質の材料の皿板をカシメなくてはな
らないため、組立封口板の組立スピードをアップさせる
ことが困難であり、工程能力を低下させる原因ともなっ
ていた。Further, in the process of assembling the sealing plate,
Since the dish plate made of a hard material such as stainless steel has to be crimped, it is difficult to increase the assembly speed of the assembly sealing plate, which also causes a decrease in the process capability.
【０００７】本発明は、このような課題を解決するもの
であり、電池の耐漏液性を向上させるとともに、封口板
の組立工程を容易にできる電池用封口板を提供するもの
である。The present invention solves such a problem and provides a battery sealing plate which improves the liquid leakage resistance of the battery and facilitates the assembly process of the sealing plate.
【０００８】[0008]
【課題を解決するための手段】上記の課題を解決するた
めに、本発明の電池の封口板は、中央部に凸部を有し、
かつその上面または側面部にガス抜き孔を設けたキャッ
プ状端子板と、このキャップ状端子板の下側に配置され
中央部にガス抜き孔を設けたＰＴＣ素子と、前記ＰＴＣ
素子の下側に配置され中央部にガス抜き孔を設けるとと
もに周縁部に数個の突起部を有する皿板と、この皿板の
上部または下部に配置されて皿板のガス抜き孔を閉塞
し、電池の内圧上昇時には前記ガス抜き孔内で上方に膨
脹して破断する安全弁膜とからなり、前記キャップ状端
子板、ＰＴＣ素子および皿板は電気的に接続されている
構成としたものである。In order to solve the above problems, the battery sealing plate of the present invention has a convex portion at the center,
And a cap-shaped terminal plate having a gas vent hole on its upper surface or a side surface, a PTC element disposed below the cap-shaped terminal plate and having a gas vent hole in the center,
A plate with gas vent holes in the center of the element and several protrusions on the periphery and a gas vent hole on the plate above and below the plate to block the gas vent holes. And a safety valve membrane that expands upward and breaks in the gas vent hole when the internal pressure of the battery rises, and the cap-shaped terminal plate, the PTC element and the dish plate are electrically connected. .
【０００９】[0009]
【作用】本発明の封口板では、皿板に鋼板シートなどの
原材料をドーナツ盤状に打ち抜いたのみの薄板を用いて
いるため、皿板が偏心等を起こすことはなく、組立封口
板として電池ケースを封口する際に均一に密閉すること
ができるため、高温保存時などにおける電池の耐漏液性
を向上させることができる。In the sealing plate of the present invention, a thin plate obtained by punching out a raw material such as a steel plate sheet into a doughnut-shaped plate is used as the plate, so that the plate does not cause eccentricity or the like, and the battery is used as an assembled sealing plate. Since the case can be uniformly sealed when it is sealed, it is possible to improve the liquid leakage resistance of the battery during storage at high temperature.
【００１０】また、封口板の組立工程においては、ステ
ンレス鋼板等の硬質材料からなる皿板をシーマカシメす
るなどの加工工程が省略でき、キャップ状端子板、ＰＴ
Ｃ素子、安全弁とセットされた前記皿板を、絶縁パッキ
ングと重ね合わせてその内部に挿入するだけでよいた
め、封口板の組立スピードをアップさせることができ、
工程能力を向上させることができる。Further, in the process of assembling the sealing plate, it is possible to omit a processing process such as caulking a plate made of a hard material such as a stainless steel plate, so that the cap-shaped terminal plate, PT
Since it is only necessary to superimpose the dish plate set with the C element and the safety valve on the insulating packing and insert it into the inside, it is possible to speed up the assembly of the sealing plate,
The process capability can be improved.
【００１１】さらに、組立封口板全体の厚みが従来と比
較して薄くできるため、電池の内容積をアップすること
ができ、その分だけ電池の放電容量の向上と、正、負極
の極板幅の増大による放電電圧の向上も望めるものであ
る。Furthermore, since the thickness of the entire assembly sealing plate can be made thinner than in the conventional case, the internal volume of the battery can be increased, and the discharge capacity of the battery can be improved correspondingly, and the positive and negative electrode plate widths can be increased. It is also expected that the discharge voltage can be improved by increasing the voltage.
【００１２】[0012]
【実施例】以下、本発明の実施例を図面を参照しながら
説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１３】図１に本発明の電池用封口板を備えた電池
の部分断面図を示す。１は凸部３の上面から側面にかけ
てガス抜き孔２を備えたキャップ状端子板であり、図２
にその斜視図を示している。FIG. 1 is a partial sectional view of a battery provided with the battery sealing plate of the present invention. Reference numeral 1 denotes a cap-shaped terminal plate provided with a gas vent hole 2 from the upper surface to the side surface of the convex portion 3.
The perspective view is shown in FIG.
【００１４】４は中央部にガス抜き孔をもったドーナツ
盤状のＰＴＣ素子であり、６はアルミニウム箔からなる
安全弁膜であって、これは電池の内圧上昇にともなっ
て、上方に膨れ所定以上膨れると自発的に破断する。７
は前記ＰＴＣ素子４のガス抜き孔２と連なるガス抜き孔
２を中央部に設け、ＰＴＣ素子４と電気的接触をとるた
めの３個の等間隔をおいて設けた突起部５を備えた図３
に示したような皿板である。この皿板の底部には、電池
ケース１０内に収容された発電要素のうちの一方極の極
板、例えば正極板に接続されたリード板９が溶接されて
いる。Reference numeral 4 is a donut disc-shaped PTC element having a gas vent hole in the center, and 6 is a safety valve membrane made of aluminum foil, which swells upward as the internal pressure of the battery rises and exceeds a predetermined value. When it swells, it spontaneously breaks. 7
Is a diagram in which a gas vent hole 2 connected to the gas vent hole 2 of the PTC element 4 is provided in the central portion, and three protrusions 5 are provided at equal intervals for making electrical contact with the PTC element 4. Three
It is a plate as shown in. A lead plate 9 connected to an electrode plate of one pole of the power generating elements housed in the battery case 10, for example, a positive electrode plate, is welded to the bottom of the plate.
【００１５】本実施例では皿板７の突起部は、小さな円
錐を均等間隔をおいて３個設けたが、突起部としては円
弧状をした突条を互いに対向させて２個設けるかあるい
は小さな円錐突起を円を間欠的に描くように不連続に設
けても、本実施例と同様の効果が認められることが諸実
験で確認されている。In this embodiment, three small cones are provided at the projections of the plate 7 at equal intervals, but two projections having circular arc shapes are provided as the projections so as to face each other, or two small projections are provided. It has been confirmed by various experiments that even if the conical projections are discontinuously provided so that circles are drawn intermittently, the same effect as that of the present embodiment is recognized.
【００１６】また、ＰＴＣ素子および皿板のガス抜き孔
は、その孔形状が円形であってもあるいは矩形であって
も同様の効果が得られる。Further, the gas vent holes of the PTC element and the dish plate have the same effect even if the hole shape is circular or rectangular.
【００１７】そして、組立封口板としてはキャップ状端
子板１、ＰＴＣ素子４、安全弁膜６、皿板７の順に積み
重ねられてその周囲が絶縁パッキング８によってカシメ
られており、安全弁膜と皿板とは熱スピンドルまたは超
音波、高周波、耐溶剤性接着剤などにより溶着または接
着されている。As the assembly sealing plate, the cap-shaped terminal plate 1, the PTC element 4, the safety valve membrane 6 and the dish plate 7 are stacked in this order, and the periphery thereof is caulked by the insulating packing 8. Is welded or adhered by a heat spindle or ultrasonic wave, high frequency, solvent resistant adhesive or the like.
【００１８】このときの安全弁膜６の外径寸法は、皿板
７のガス抜き孔２の内径よりも大きく、かつ突起部７の
内側に位置する円形であるか、もしくは図４に示すよう
に皿板７の突起部５と対応する位置に孔１１を配した形
状１２のもののどちらを用いてもよい。At this time, the outer diameter of the safety valve membrane 6 is larger than the inner diameter of the gas vent hole 2 of the dish plate 7 and is a circle located inside the protrusion 7, or as shown in FIG. Either of the shapes 12 in which the holes 11 are arranged at the positions corresponding to the protrusions 5 of the plate 7 may be used.
【００１９】このように本発明では、ステンレス鋼板等
の硬質の材料の皿板をシーマカシメするなどの加工工程
が省略できるため、キャップ状端子板、ＰＴＣ素子、安
全弁膜および皿板を、絶縁パッキングに重ね合わせて挿
入するだけでよいため、封口板の組立スピードをアップ
させることができ、工程能力を向上させることができ
る。As described above, according to the present invention, since the processing steps such as caulking a dish plate made of a hard material such as a stainless steel plate can be omitted, the cap-shaped terminal plate, the PTC element, the safety valve membrane and the dish plate are packed in an insulating packing. Since it is only necessary to insert them in a stack, the speed of assembling the sealing plate can be increased and the process capability can be improved.
【００２０】また、電池温度が正常な範囲にある場合に
は、キャップ状端子板、ＰＴＣ素子、皿板およびリード
板を経由して電流が流れるが、電池温度が異常に上昇し
た場合には、ＰＴＣ素子の抵抗値が急激に増大する。こ
れによって、電池内に急激な発熱を伴う大電流が流れな
いように自動的に電流制限することができる。When the battery temperature is within the normal range, current flows through the cap-shaped terminal plate, PTC element, dish plate and lead plate, but when the battery temperature rises abnormally, The resistance value of the PTC element rapidly increases. As a result, it is possible to automatically limit the current so that a large current with abrupt heat generation does not flow in the battery.
【００２１】次に本発明の封口板と、図５に示した従来
の封口板とをそれぞれ３００個ずつ用いて電池を作成
し、８５℃の高温保存試験における電池としての耐漏液
性能を調べた。このときの顕微鏡による漏液目視検査の
結果を（表１）に示す。Next, a sealing plate of the present invention and the conventional sealing plate shown in FIG. 5 were used to prepare 300 batteries each, and the leakage resistance performance of the battery in a high temperature storage test at 85 ° C. was examined. . The results of the liquid leakage visual inspection with a microscope at this time are shown in (Table 1).
【００２２】[0022]
【表１】 [Table 1]
【００２３】（表１）に示したように、本発明の封口板
では、皿板として原材料を単にドーナツ盤状に打ち抜い
た薄板を用いているため皿板が偏心等を起こすことはな
く、電池ケースを封口する際に均一に密閉することがで
き、高温保存時における耐漏液性を向上させることがで
きた。As shown in (Table 1), in the sealing plate of the present invention, since the thin plate obtained by simply punching out the raw material in the shape of a donut is used as the plate, the plate does not cause eccentricity, etc. When the case was sealed, it could be uniformly sealed and the liquid leakage resistance during storage at high temperature could be improved.
【００２４】[0024]
【発明の効果】以上のように、本発明の封口板では、原
材料の中央を単に打ち抜いたドーナツ盤状の薄板からな
る皿板を用いているため、皿板が偏心等を起こすことは
なく、電池ケースを封口する際に均一に密閉することが
でき、電池の高温保存時における耐漏液性を向上させる
ことができる。As described above, in the sealing plate of the present invention, since the plate made of a donut disc-shaped thin plate obtained by simply punching out the center of the raw material is used, the plate does not cause eccentricity, etc. When the battery case is sealed, the battery case can be uniformly sealed, and the liquid leakage resistance during high temperature storage of the battery can be improved.
【００２５】また、封口板の組立工程においては、ステ
ンレス鋼板等の硬質材料の皿板をシーマ等でカシメるな
どの加工工程が省略でき、キャップ状端子板、ＰＴＣ素
子、安全弁膜とセットされた皿板を、絶縁パッキングに
重ね合わせて挿入するだけでよいため、封口板の組立ス
ピードをアップさせることができ、工程能力を向上させ
ることができる。Further, in the process of assembling the sealing plate, it is possible to omit a processing process such as caulking a dish plate made of a hard material such as a stainless steel plate with a seamer or the like, and a cap-shaped terminal plate, a PTC element and a safety valve membrane are set. Since it is only necessary to insert the plate over the insulating packing, the assembly speed of the sealing plate can be increased and the process capability can be improved.
【図１】本発明の封口板を備えた電池の部分断面図FIG. 1 is a partial sectional view of a battery provided with a sealing plate of the present invention.
【図２】同封口板のキャップ状端子板の斜視図FIG. 2 is a perspective view of a cap-shaped terminal plate of the sealing plate.
【図３】同皿板の斜視図FIG. 3 is a perspective view of the plate.
【図４】同安全弁膜の斜視図FIG. 4 is a perspective view of the safety valve membrane.
【図５】従来の封口板を備えた電池の部分断面図FIG. 5 is a partial sectional view of a battery having a conventional sealing plate.
１ キャップ状端子板 ２ ガス抜き孔 ３ 凸部 ４ ＰＴＣ素子 ５ 突起部 ６ 安全弁膜（円形） ７ 皿板 ８ 絶縁パッキング ９ リード板 １０ 電池ケース １１ 孔 １２ 安全弁膜（孔開きタイプ） １３ 金属製スペーサー DESCRIPTION OF SYMBOLS 1 Cap terminal plate 2 Gas vent hole 3 Convex part 4 PTC element 5 Protrusion part 6 Safety valve membrane (circular) 7 Dish plate 8 Insulation packing 9 Lead plate 10 Battery case 11 Hole 12 Safety valve membrane (opening type) 13 Metal spacer
Claims (2)
なる発電要素を収容して正、負いずれか一方極の端子を
なす電池ケースの開口部を閉塞し、かつ前記他方極の端
子をなす電池の封口板であって、 前記封口板は、中央部に凸部を有し、かつその上面また
は側面部にガス抜き孔を設けたキャップ状端子板と、 前記キャップ状端子板の下側に配置され中央部にガス抜
き孔を設けたＰＴＣ素子と、 前記ＰＴＣ素子の下側に配置され中央部にガス抜き孔を
設けるとともに周縁部に突起部を有した皿板と、 前記皿板の上部または下部に配置されて前記皿板のガス
抜き孔を閉塞し、電池の内圧上昇時には前記ガス抜き孔
内で上方に膨脹して破断する安全弁膜とからなり、 前記キャップ状端子板、ＰＴＣ素子および皿板は電気的
に接続されている電池の封口板。1. A battery which accommodates a power generating element composed of a positive electrode, a negative electrode, a separator and an electrolytic solution and closes an opening of a battery case which is a terminal of either positive or negative electrode and which is a terminal of the other electrode. A cap-shaped terminal plate having a convex portion in the center and provided with a gas vent hole on the top surface or side surface portion thereof, and the cap-shaped terminal plate disposed below the cap-shaped terminal plate. A PTC element having a gas vent hole in the central portion, a dish plate disposed below the PTC element and having a gas vent hole in the central portion and having a protrusion on the peripheral edge, and an upper portion of the dish plate or And a safety valve membrane disposed at a lower portion to close the gas vent hole of the dish plate and expand and rupture upward in the gas vent hole when the internal pressure of the battery rises. The cap-shaped terminal plate, the PTC element and the dish The plates are electrically connected Sealing plate of.
少なくとも２個の円弧形突条部あるいは等間隔をおいて
設けた３個以上の突起からなる請求項１記載の電池の封
口板。2. The battery according to claim 1, wherein the protrusions provided on the plate are at least two arc-shaped protrusions facing each other or three or more protrusions provided at equal intervals. Board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09822395A JP3264134B2 (en) | 1995-04-24 | 1995-04-24 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09822395A JP3264134B2 (en) | 1995-04-24 | 1995-04-24 | Battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08293295A true JPH08293295A (en) | 1996-11-05 |
| JP3264134B2 JP3264134B2 (en) | 2002-03-11 |
Family
ID=14213970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09822395A Expired - Lifetime JP3264134B2 (en) | 1995-04-24 | 1995-04-24 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3264134B2 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002110481A (en) * | 2000-09-29 | 2002-04-12 | Nippon Chemicon Corp | Capacitor |
| KR100378021B1 (en) * | 1999-12-28 | 2003-03-29 | 주식회사 엘지화학 | Li-ION BATTERY USING BALL TYPE SAFETY VENT |
| JP2007165520A (en) * | 2005-12-13 | 2007-06-28 | Matsushita Electric Ind Co Ltd | Capacitor |
| JP2010277784A (en) * | 2009-05-27 | 2010-12-09 | Sanyo Electric Co Ltd | Sealed battery and its manufacturing method |
| CN103151475A (en) * | 2013-03-28 | 2013-06-12 | 凯迈嘉华（洛阳）新能源有限公司 | Insulated sealing structure of electrode |
| US8486546B2 (en) | 2008-12-01 | 2013-07-16 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery using the same with notched vent member |
| US8535828B2 (en) | 2008-12-08 | 2013-09-17 | Samsung Sdi Co., Ltd. | Rechargeable battery |
| US8663835B2 (en) | 2008-12-10 | 2014-03-04 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery having the same |
| KR101486927B1 (en) * | 2012-07-03 | 2015-01-27 | 주식회사 엘지화학 | Battery module and terminal assembly applied for the same |
| US8962167B2 (en) | 2007-08-27 | 2015-02-24 | Samsung Sdi Co., Ltd. | Secondary battery having an insulator with protrusions |
| US8986876B2 (en) | 2008-12-18 | 2015-03-24 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery having the same |
| WO2022077686A1 (en) * | 2020-10-16 | 2022-04-21 | 惠州亿纬锂能股份有限公司 | Capacitor, manufacturing method therefor, and use thereof |
-
1995
- 1995-04-24 JP JP09822395A patent/JP3264134B2/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100378021B1 (en) * | 1999-12-28 | 2003-03-29 | 주식회사 엘지화학 | Li-ION BATTERY USING BALL TYPE SAFETY VENT |
| JP2002110481A (en) * | 2000-09-29 | 2002-04-12 | Nippon Chemicon Corp | Capacitor |
| JP2007165520A (en) * | 2005-12-13 | 2007-06-28 | Matsushita Electric Ind Co Ltd | Capacitor |
| US8962167B2 (en) | 2007-08-27 | 2015-02-24 | Samsung Sdi Co., Ltd. | Secondary battery having an insulator with protrusions |
| US8486546B2 (en) | 2008-12-01 | 2013-07-16 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery using the same with notched vent member |
| US8535828B2 (en) | 2008-12-08 | 2013-09-17 | Samsung Sdi Co., Ltd. | Rechargeable battery |
| US8663835B2 (en) | 2008-12-10 | 2014-03-04 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery having the same |
| US8986876B2 (en) | 2008-12-18 | 2015-03-24 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery having the same |
| JP2010277784A (en) * | 2009-05-27 | 2010-12-09 | Sanyo Electric Co Ltd | Sealed battery and its manufacturing method |
| KR101486927B1 (en) * | 2012-07-03 | 2015-01-27 | 주식회사 엘지화학 | Battery module and terminal assembly applied for the same |
| CN103151475A (en) * | 2013-03-28 | 2013-06-12 | 凯迈嘉华（洛阳）新能源有限公司 | Insulated sealing structure of electrode |
| CN103151475B (en) * | 2013-03-28 | 2015-05-20 | 凯迈嘉华（洛阳）新能源有限公司 | Insulated sealing structure of electrode |
| WO2022077686A1 (en) * | 2020-10-16 | 2022-04-21 | 惠州亿纬锂能股份有限公司 | Capacitor, manufacturing method therefor, and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3264134B2 (en) | 2002-03-11 |
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