CN101409332B - Sealed battery - Google Patents

Sealed battery Download PDF

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Publication number
CN101409332B
CN101409332B CN2008102127707A CN200810212770A CN101409332B CN 101409332 B CN101409332 B CN 101409332B CN 2008102127707 A CN2008102127707 A CN 2008102127707A CN 200810212770 A CN200810212770 A CN 200810212770A CN 101409332 B CN101409332 B CN 101409332B
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CN
China
Prior art keywords
mentioned
hole
injection port
liquid injection
axial region
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
Application number
CN2008102127707A
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Chinese (zh)
Other versions
CN101409332A (en
Inventor
山本真由美
藤原义久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Publication of CN101409332A publication Critical patent/CN101409332A/en
Application granted granted Critical
Publication of CN101409332B publication Critical patent/CN101409332B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/317Re-sealable arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/147Lids or covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/183Sealing members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/308Detachable arrangements, e.g. detachable vent plugs or plug systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The present invention relates to sealed batteries, object to remove the fluctuation of the jogged state resulting from the dimensional tolerances of a liquid injection port (17) and a seal bolt (18) and to realize the sealability improvement of the liquid injection port (17) performed by the seal bolt (18). In this invention, the spreading and deformation of the shaft section(25) of the seal bolt (18) is performed by pressing an operation pin (29) in a function hole (30), so that the external circumstance surface of the shaft section (25) is pressed on the internal circumstance surface of a filling hole (19). Thus, the sealing-joining performance of the entire circumference scope between the external circumstance surface of the shaft section (25) and the internal circumstance surface of the filling hole (19) can be improved, so as to improve the sealability between the shaft section (25) of the seal bolt (18) and the filling hole (19) of the liquid injection port (17).

Description

Sealed cell
Technical field
The present invention relates to have the lid above the opening of blocking battery case, the liquid injection port that is located at the electrolyte injection usefulness that covers and the sealed cell that is installed in the sealing bolt of this liquid injection port, relate to the technology that realization improves the sealing characteristics of the liquid injection port that is obtained by sealing bolt.
Background technology
In relating to sealed cell of the present invention, liquid injection port formed to have being with of recess stepped, after this liquid injection port has been installed the sealing bolt with head, thereby the neighboring by welding this head and the periphery of recess are sealed liquid injection port, and same seal structure and for example also can see in patent documentation 1 (TOHKEMY 2006-40690 communique).
In this patent documentation 1, covering to connect shape up and down on block the opening of battery case forms hand-hole, forms the recess of the round shape with bearing plane upwards around this hand-hole, and as liquid injection port.In addition, sealing bolt possesses: insert the axial region of hand-hole from the top and the head of the circle that forms in the upper end of axial region with stretching out and born by the bearing plane of recess.And, in recess, installed after the sealing bolt, by the neighboring of head and the periphery irradiating laser of recess are made its fusing, thereby seal liquid injection port with sealing bolt.
Above-mentioned problem of sealing structure is, because the problem of the dimensional tolerance of liquid injection port and sealing bolt, can not avoid the chimerism of " matched in clearance " or " interference fit " etc. to change, the result installs the sealing bolt difficulty that becomes in liquid injection port, perhaps produces failure welding.That is, liquid injection port and sealing bolt are the fine parts that form by punch process, allow part dimension to a certain degree fluctuation, be dimensional tolerance.Therefore, be to comprise that the minimum value of dimensional tolerance and the outside dimension of axial region are the peaked occasion that comprises dimensional tolerance at the internal diameter size of hand-hole, existence can not be inserted the danger (interference fit) of axial region in hand-hole.
On the contrary, be to comprise that the maximum of dimensional tolerance and the outside dimension of axial region are the occasion that comprises the minimum value of dimensional tolerance at the internal diameter size of hand-hole, the danger (matched in clearance) that under installment state, exists sealing bolt to float in the inside of liquid injection port.Like this if float at installment state lower seal bolt, then sealing bolt is eccentric and produce axle offset in recess, and the result produces failure welding at the contact portion or the gap portion of recess and sealing bolt, has the danger of generation leakage.
Summary of the invention
The present invention proposes for solving aforesaid problem, and its purpose is to eliminate the fluctuation of the chimerism that the dimensional tolerance by liquid injection port and sealing bolt causes, and realizes improving the sealing of the liquid injection port that is obtained by sealing bolt.
Relate to sealed cell of the present invention and be characterised in that to have: block the lid 5 above the opening of outer tinning 2, the electrolyte that is located on the above-mentioned lid 5 injects the liquid injection port 17 of usefulness and the metal sealing bolt 18 that is installed in this liquid injection port 17.Above-mentioned liquid injection port 17 has to connect the recess 21 that shape is formed at the hand-hole 19 of above-mentioned lid 5 and has the round shape that is formed at this hand-hole 19 bearing plane up on every side up and down.Above-mentioned sealing bolt 18 has the axial region 25 that inserts above-mentioned hand-hole 19 from the top and the head 26 of the circle that forms in the upper end of this axial region 25 with stretching out and born by the bearing plane 20 of above-mentioned recess 21, the shaft core position of above-mentioned axial region 25 form with being recessed on have above the handle hole 30 used of the expansion deformation of opening.And, make above-mentioned axial region 25 expansion deformations the aforesaid operations hole 30 as if operative pin 29 being pressed into from the top opening, then become the be adjacent to state of the outer peripheral face of this axial region 25 by the inner peripheral surface that is pressed in above-mentioned hand-hole 19, under this is adjacent to state, thereby the neighboring by welding above-mentioned head 26 and the periphery of above-mentioned recess 21 are sealed above-mentioned liquid injection port 17.
Can adopt the mode that is formed with the face that is pressed 33 of following narrow taper in the upper end in aforesaid operations hole 30.
The maximum outside diameter dimension D 1 that comprises the axial region 25 of dimensional tolerance is set at also littler than the minimum diameter dimension D 2 of the above-mentioned hand-hole 19 that comprises dimensional tolerance, comprises that the maximum outside diameter dimension D 3 of the head 26 of dimensional tolerance is set at also littler than the minimum diameter dimension D 4 of the above-mentioned recess 21 that comprises dimensional tolerance.
The present invention has following effect.
According to sealed cell of the present invention, by making axial region 25 expansion deformations of sealing bolt 18 in the operative pin 29 push operation holes 30, thereby the outer peripheral face that makes axial region 25 can make axial region 25 be adjacent to securely on this hand-hole 19 by on the inner peripheral surface that is pressed in hand-hole 19.Thus, can improve the adaptation between the outer peripheral face of the inner peripheral surface of hand-hole 19 and axial region 25, and can realize the axial region 25 of sealing bolt 18 and the raising of the sealing of the hand-hole 19 of liquid injection port 17, so can prevent conscientiously from the leakage of liquid injection port 17.
Especially, improve the mode of the adaptation between axial region 25 and the hand-hole 19, therefore can in the dimensional tolerance of sealing bolt 18 that absorbs the making aspect and liquid injection port 17, seal liquid injection port 17 effectively by making axial region 25 expansion deformations.In other words, according to the present invention, eliminating the axial region 25 and the fluctuation of the chimerism between the liquid injection port 19 that is caused by the dimensional tolerance on making, can pass through axial region 25 and weld fixedly liquid injection port 19 effectively, the aspect that can obtain not having the good sealed cell of the reliability of leakage is good.
As if form the face that is pressed 33 of narrow taper down in the upper end of handle hole 30, then can when making operative pin 29 be positioned at the shaft core position of axial region 25 effectively, carry out the push operation of operative pin 29 with this face 33 that is pressed as spigot surface.Thus, can make axial region 25, so the whole outer peripheral face of the axial region 25 of sealing bolt 18 can be contacted equably on the inner peripheral surface of the hand-hole 19 of liquid injection port 17 along circumferential expansion deformation equably.
If comprise that the maximum outside diameter dimension D 1 of the axial region 25 of dimensional tolerance is set at also littler than the minimum diameter dimension D 2 of the above-mentioned hand-hole 19 that comprises dimensional tolerance, then become so-called " interference fit " state, do not exist sealing bolt 18 can not be installed in the situation of liquid injection port 17.Therefore, sealing bolt 18 being fallen into effectively in the liquid injection port 17 after becoming temporary fixed state, carry out the expansion deformation operation undertaken by operative pin 29, then carry out weld job, thereby can seal liquid injection port 17 effectively by enough sealing bolts 18.Can suppress by the decline that sealing bolt 18 can not be temporarily fixed at caused rate of finished products on the liquid injection port 17 and realize productivity ratio raising aspect good.
Description of drawings
Fig. 1 is the longitudinal section of the major part of sealed cell of the present invention.
Fig. 2 is the exploded perspective view of sealed cell of the present invention.
Fig. 3 is the figure that seals structure that is used to illustrate sealed cell of the present invention.
Fig. 4 is the figure that seals order that is used to illustrate sealed cell of the present invention.
Fig. 5 is the figure that seals order that is used to illustrate sealed cell of the present invention.
Among the figure:
1-sealed cell (dry cell), the outer tinning of 2-, 5-covers (hush panel), 17-liquid injection port, 18-sealing bolt, 19-hand-hole, 20-bearing plane, 21-recess, 25-axial region, 26-head, 29-operative pin, 30-handle hole, the 33-face that is pressed.
Embodiment
Fig. 1 to Fig. 5 represents sealed cell of the present invention is applied to constitute the embodiment of the dry cell of battery part.In Fig. 2, plain battery 1 with the outer tinning 2 of the flat cylindrical of top opening as matrix, portion's hold electrodes body 3 and electrolyte within it, and with the opening of outer tinning 2 with plastic insulator 4 and metal hush panel (lid) 5 sealings and constitute.The two ends of outer tinning 2 and hush panel 5 are done circular.
Electrode body 3 is will be with LiCoO 2Is that the negative plate of active material and spacer that these two sheets are insulated are wound into helical form after stacked for the positive plate of active material, with graphite, again integral body is flattened and formed with flat.Upwards draw conducting strip 7,8 respectively from positive plate and negative plate.Electrolyte is to melt LiPF in the solvent that has mixed ethylene carbonate (EC) and methyl ethyl carbonate (MEC) 5Form.
As shown in Figure 1, the upper central in hush panel 5 disposes negative terminal 9, positive terminal 10 double as hush panel 5 or outer tinning 2.Hush panel 5 is by constituting as raw-material manufacturing press-molded products with aluminum or aluminum alloy, in its card central authorities, is provided with the terminal installing hole that makes the circle that insulating sealer 11 and negative terminal 9 pass through with inside and outside perforation shape.On hush panel 5, the recessed bracket that forms around the terminal installing hole.Inner face side in hush panel 5 disposes insulation board 12, disposes metal pressing plate 13 at the downside of insulation board 12.
Outer tinning 2 is fixed by laser welding under the state of hush panel 5 opening inner face of tinning 2 outside embedding by constituting as raw-material deep drawing moulding product with aluminium, aluminium alloy or stainless steel material.Insulator 4 is plastic molded articles that the chassis shape is arranged, the otch 15,15 that inserts with the conducting strip 7,8 that connects shape formation permission electrode body up and down in the bottom.
In Fig. 1,, be provided with liquid injection port 17 that electrolyte injects usefulness in that another of hush panel 5 is distolateral at a distolateral cracking mouth (Open splits ベ Application ト) 16 that is provided with explosion-proof usefulness of the left and right directions of hush panel 5.Break when the interior pressure of cracking mouthful 16 tinnings outside 2 surpasses certain value and emit the interior gas of outer tinning 2.After electrolyte injected, liquid injection port 17 was by sealing bolt 18 sealings.
As shown in Figure 3, liquid injection port 17 forms by stepped with being with of connecting up and down that shape is formed at the hand-hole 19 of hush panel 5 and has that the recess 21 of the round shape that is formed at the bearing plane up 20 around this hand-hole 19 constitutes.Hand-hole 19 forms the uniform linearity of internal diameter size in the above-below direction scope.Similarly, recess 21 forms the uniform linearity of internal diameter size in the above-below direction scope.
The sealing bolt 18 that seals this liquid injection port 17 be with metals such as aluminium as raw-material parts, and possess the axial region 25 that is inserted into from the top the hand-hole 19 and the head 26 of the circle that forms in the upper end of this axial region 25 with stretching out and bear by the bearing plane 20 of recess 21.By bearing head chimericly, thereby realize the downward anticreep of 18 pairs of hush panel 5 of sealing bolt at recess 21.
Axial region 25 possesses: the uniform line part 27 of above-below direction top external diameter size and be located at this line part 27 the lower end and along with towards below the guide part 28 of the following narrow taper that diminishes gradually of diameter dimension.The wall thickness 50 of line part 27 is more than the 0.1mm, and the wall thickness from the bottom of the minor diameter part 31 of sealing bolt 18 to front end is more than the 0.1mm.
At the recessed formation handle hole 30 of the shaft core position of axial region 25, this handle hole 30 from above make axial region 25 expansion deformations during push operation pin 29.Handle hole 30 comprises: internal diameter size uniformly the below minor diameter part 31, have the large-diameter portion 32 of the internal diameter size bigger and be located at the upper end of minor diameter part 31 and be operated the face that is pressed 33 of the following narrow taper that pin 29 pushes than this minor diameter part 31.In the lower end of operative pin 29, be formed with the press surface 34 of narrow taper down.
As shown in Figure 3, the maximum outside diameter dimension D 1 of line part 27 that comprises the axial region 25 of dimensional tolerance is set at also littler than the minimum diameter dimension D 2 of the hand-hole 19 that comprises dimensional tolerance.And, comprise that the maximum outside diameter dimension D 3 of the head of dimensional tolerance is set at also littler than the minimum diameter dimension D 4 of the recess that comprises dimensional tolerance.Thereby, from above when sealing bolt 18 fallen into liquid injection port 17, axial region 25 and head 26 can not be stuck in the hand-hole 19 and the recess 21 of liquid injection port 17, can make temporary fixed state as shown in Figure 4.
Then, the sealing operation of the liquid injection port 17 after with reference to Fig. 4 and Fig. 5 electrolyte being injected describes.At first, as shown in Figure 4, fall into sealing bolt 18 and make temporary fixed state from the top of liquid injection port 17.As previously described, because liquid injection port 17 and sealing bolt 18 satisfy the relation of D1<D2, D3<D4, therefore between the inner peripheral surface of the outer peripheral face of axial region 25 and hand-hole 19 and between all sides of the outer peripheral face of head 26 and recess 21 a little gap of formation.And, though explain over and over again owing to satisfy the relation of D1<D2, D3<D4, therefore from above when sealing bolt 18 fallen into liquid injection port 17, axial region 25 and head 26 can not be stuck on hand-hole 19 and the recess 21, can successfully make temporary fixed state as shown in Figure 4.
Then, as shown in Figure 5, operative pin 29 is pressed into the minor diameter part 31 of handle hole 30, makes axial region 25 expansion deformations from the top opening.Thus, can make the outer peripheral face of line part 27 of axial region 25 by the state that is adjacent to of the inner peripheral surface that is pressed in hand-hole 19.In other words, by making axial region 25 expansion deformations, can fill up the gap between the inner peripheral surface of the outer peripheral face of axial region 25 and hand-hole 19, thereby axial region 25 and hand-hole 19 are adjacent to.In the push operation of aforesaid operative pin 29, the outside dimension of head 26 is almost constant.
From this state that is adjacent to, as shown in Figure 1,, carry out laser welding from the top to the boundary portion of the periphery of the neighboring of head 26 and recess 21.This weld job carries out in the scope of the whole neighboring of head 26, can seal liquid injection port 17 fully thus.In above-mentioned weld job, carry out weld job in the little by little mode in gap between the periphery of the neighboring of filling up head 26 and recess 21.In Fig. 1, the weld that mark 40 expressions are undertaken by laser welding.
As mentioned above, sealing in the structure of the liquid injection port 17 of present embodiment, at handle hole 30 push operation pins 29, by axial region 25 expansion deformations that make sealing bolt 18, thereby the outer peripheral face that makes axial region 25 can make axial region 25 be adjacent to securely on this hand-hole 19 by on the inner peripheral surface that is pressed in hand-hole 19.
Thus, can improve the adaptation in the whole circumference scope between the outer peripheral face of the inner peripheral surface of hand-hole 19 and axial region 25, so can realize the axial region 25 of sealing bolt 18 and the raising of the sealing of the hand-hole 19 of liquid injection port 17.Thereby, can prevent effectively from the leakage of liquid injection port 17, thus the raising of the reliability of realization dry cell 1.
And, owing between the recess 21 of the head 26 of sealing bolt 18 and liquid injection port 17, can under the state in a little gap of formation, carry out weld job, therefore produce the occasion of gas even in weld job etc., remain in the electrolyte gasification on the bearing plane 20, it is missed from the gap.Like this, as if the residual electrolyte that can remove on the bearing plane 20, then can eliminate the vapor pressure that behind weld job, is subjected to residual electrolyte and the unfavorable condition that sealing bolt 18 is come off.
Especially,, can realize the raising of the adaptation between axial region 25 and the hand-hole 19, so can in the dimensional tolerance of sealing bolt 18 on absorbing making and liquid injection port 17, seal liquid injection port 17 effectively by making axial region 25 expansion deformations.In other words, seal structure according to this, can eliminate the sealing bolt 18 that causes by the scale error on making and the fluctuation of the chimerism between the liquid injection port 17, and can weld fixedly liquid injection port 17 effectively by sealing bolt 18, can obtain not having the good sealed cell of reliability of leakage effectively, very good in this.
As if form the face that is pressed 33 of narrow taper down in the upper end of handle hole 30, then can when making operative pin 29 be positioned at the shaft core position of axial region 25 effectively, carry out the push operation of operative pin 29 with this face 33 that is pressed as spigot surface.Thus, can make axial region 25, so the whole outer peripheral face of the axial region 25 of sealing bolt 18 can be contacted equably on the inner peripheral surface of the hand-hole 19 of liquid injection port 17 along circumferential expansion deformation equably.
If comprise that the maximum outside diameter dimension D 1 of the axial region 25 of dimensional tolerance is set at also littler than the minimum diameter dimension D 2 of the above-mentioned hand-hole 19 that comprises dimensional tolerance, the maximum outside diameter dimension D 3 that comprises the head 26 of dimensional tolerance is set at also littler than the minimum diameter dimension D 4 of the recess 21 that comprises dimensional tolerance, then become so-called " interference fit " state, do not exist sealing bolt 18 can not be installed in the situation of liquid injection port 17.Therefore, sealing bolt 18 being dropped into effectively in the liquid injection port 17 after becoming temporary fixed state, carry out the expansion deformation operation undertaken by operative pin 29, then carry out weld job, thereby can seal liquid injection port 17 effectively by enough sealing bolts 18.Can suppress raising by decline that sealing bolt 18 can not be temporarily fixed at caused rate of finished products on the liquid injection port 17 and realization productivity ratio, very good in this.

Claims (3)

1. a sealed cell is characterized in that,
Have lid above the opening of blocking outer tinning, be located at the above-mentioned electrolyte that covers and inject the liquid injection port of usefulness and be installed in metal sealing bolt on this liquid injection port,
Above-mentioned liquid injection port has: be formed at the hand-hole of above-mentioned lid to connect shape up and down; With recess with the round shape that is formed at this hand-hole bearing plane up on every side,
Above-mentioned sealing bolt has the axial region that is inserted into from the top the above-mentioned hand-hole and the head of the circle that forms in the upper end of this axial region with stretching out and born by the bearing plane of above-mentioned recess, the shaft core position of above-mentioned axial region form recessedly have above the handle hole used of the expansion deformation of opening
Constitute if from the top opening operative pin is pressed into and makes above-mentioned axial region expansion deformation the aforesaid operations hole, the outer peripheral face that then becomes this axial region is by the state that is adjacent on the inner peripheral surface that is pressed in above-mentioned hand-hole,
Under this is adjacent to state, thereby the neighboring by welding above-mentioned head and the periphery of above-mentioned recess are sealed above-mentioned liquid injection port.
2. sealed cell according to claim 1 is characterized in that,
Be formed with the face that is pressed of narrow taper down in the upper end in aforesaid operations hole.
3. sealed cell according to claim 1 and 2 is characterized in that,
The maximum outside diameter size that comprises the axial region of dimensional tolerance is set at also littler than the minimum diameter size of the above-mentioned hand-hole that comprises dimensional tolerance,
The maximum outside diameter size that comprises the head of dimensional tolerance is set at also littler than the minimum diameter size of the above-mentioned recess that comprises dimensional tolerance.
CN2008102127707A 2007-10-12 2008-09-08 Sealed battery Expired - Fee Related CN101409332B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007267146 2007-10-12
JP2007-267146 2007-10-12
JP2007267146A JP5224324B2 (en) 2007-10-12 2007-10-12 Sealed battery

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CN101409332A CN101409332A (en) 2009-04-15
CN101409332B true CN101409332B (en) 2011-04-20

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JP (1) JP5224324B2 (en)
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CN (1) CN101409332B (en)
HK (1) HK1129159A1 (en)

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* Cited by examiner, † Cited by third party
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JP6017873B2 (en) * 2012-07-27 2016-11-02 トヨタ自動車株式会社 Sealed battery
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002358948A (en) * 2001-05-31 2002-12-13 Nec Tokin Tochigi Ltd Enclosed battery
CN1649199A (en) * 2004-01-27 2005-08-03 三星Sdi株式会社 Can type secondary battery
CN1722507A (en) * 2004-06-25 2006-01-18 三星Sdi株式会社 Secondary battery

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004119329A (en) * 2002-09-30 2004-04-15 Sanyo Electric Co Ltd Secondary battery
JP2005322533A (en) * 2004-05-10 2005-11-17 Japan Storage Battery Co Ltd Battery
JP4198652B2 (en) * 2004-07-27 2008-12-17 Necトーキン株式会社 Sealed battery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002358948A (en) * 2001-05-31 2002-12-13 Nec Tokin Tochigi Ltd Enclosed battery
CN1649199A (en) * 2004-01-27 2005-08-03 三星Sdi株式会社 Can type secondary battery
CN1722507A (en) * 2004-06-25 2006-01-18 三星Sdi株式会社 Secondary battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9147865B2 (en) 2012-09-06 2015-09-29 Johnson Controls Technology Llc System and method for closing a battery fill hole

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HK1129159A1 (en) 2009-11-20
CN101409332A (en) 2009-04-15
KR101406895B1 (en) 2014-06-13
KR20090037834A (en) 2009-04-16
JP5224324B2 (en) 2013-07-03
JP2009099281A (en) 2009-05-07

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