CN103456912A - Chain type lithium ion battery pack - Google Patents
Chain type lithium ion battery pack Download PDFInfo
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- CN103456912A CN103456912A CN2013104187826A CN201310418782A CN103456912A CN 103456912 A CN103456912 A CN 103456912A CN 2013104187826 A CN2013104187826 A CN 2013104187826A CN 201310418782 A CN201310418782 A CN 201310418782A CN 103456912 A CN103456912 A CN 103456912A
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- lithium ion
- ion battery
- chain type
- negative plate
- type lithium
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to the field of a lithium battery, and discloses a chain type lithium ion battery pack. The chain type lithium ion battery pack comprises at least two buckle type lithium ion batteries, wherein metal chains are connected with positive and negative terminals of the buckle type lithium ion batteries, and the buckle type lithium ion batteries are connected in series or parallel by virtue of the metal chains. According to the technical scheme, the chain type lithium ion battery pack is convenient to install and carry.
Description
Technical field
The present invention relates to the lithium ion battery field, particularly a kind of chain type lithium ion battery group.
Background technology
Button battery (Button Cell) claim again fastening lithium ionic cell, and it refers to that overall dimension is as a little button non-rectangle lithium ion battery of a size.Current fastening lithium ionic cell is generally circle, and thinner thickness.
The making of the fastening lithium ionic cell of prior art is mainly, obtain cylindric coiling battery core by winding process, then this cylindric coiling battery core is pressed into to square flat, be assembled in circular housing, obtain the button cell of profile circle or similar circle, after in coiling battery core body is assemblied in to housing, to be connected to the negative pole lug welding of width end of this square flat coiling body to the cathode bottom cover of housing, the shell of cathode bottom cover and housing is welded to connect, housing is as the negative pole of battery, the anode ear that is connected to the width end of this square flat coiling body is welded on the positive pole by insulating trip and housing interval and covers, cathode output end sub-connection on this positive pole upper cover and housing.
In research process of the present invention, the inventor finds that at least there is following defect in prior art:
1, the capacity of fastening lithium ionic cell of the prior art is lower, and discharge performance is poor, has limited the application of fastening lithium ionic cell, also more and more can't meet the demand of people to high power capacity and high-multiplying-power battery.
Summary of the invention
The first purpose of the present invention is to provide a kind of chain type lithium ion battery group, applies this technical scheme and more is convenient to the installation of lithium ion battery group and carries.
A kind of chain type lithium ion battery group that the present embodiment provides, comprise at least two fastening lithium ionic cells,
Be connected with respectively metal bracelet between the positive and negative electrode terminal of each described fastening lithium ionic cell,
Each described metal bracelet is connected each described fastening lithium ionic cell or be connected in parallel.
Alternatively, each described metal bracelet is from the Fuse Type fuse, and when the temperature of described metal bracelet reaches predetermined temperature, described metal bracelet fuses automatically.
Alternatively, also comprise electric quantity display device, described electric quantity display device is connected with the circuit protection plate of each described fastening lithium ionic cell, for showing the electric weight of current described chain type lithium ion battery.
Alternatively, described fastening lithium ionic cell comprises: laminated battery core body, and housing, and described laminated battery core body is encapsulated in described housing,
Described laminated battery core body comprises at least two positive plates, negative plate and barrier film, and described barrier film interval is between any two described positive plates and negative plate;
Two longitudinal edges of each described positive plate and negative plate are respectively the curved edge of relative outwardly convex, two widthwise edges of each described positive plate and negative plate are respectively horizontal edge, the end of a horizontal edge has also extended longitudinally a pole piece extension therein
On described laminated battery core body, the horizontal edge of two width ends of each described positive plate, negative plate is respectively over against stacked, and the described pole piece extension of each described positive plate, negative plate is located opposite from respectively two width ends of described laminated battery core body.
Alternatively, be positioned at the top of described laminated cell body thickness direction and the pole piece of bottom and be: the described negative plate that single face applies,
The collector bare metal of the described negative plate that each described single face applies is showed in described laminated cell volume surrounding, and is welded to connect face-to-face with the negative pole cover of described housing;
The pole piece extension of each described negative plate is welded to each other connection, and with described negative pole cover, is not welded to connect.
Alternatively, the pole piece extension of each described positive plate is welded on the positive terminal of described housing after being welded to each other connection, is separated with insulating barrier between between described positive terminal and described laminated battery core body.
Alternatively, described barrier film interval between any two described positive plates and negative plate, specifically,
Each described positive plate is contained in respectively in each diaphragm bag, and two longitudinal edges of each described diaphragm bag are respectively the curved edge of relative outwardly convex,
Two widthwise edges of each described diaphragm bag are respectively horizontal edge,
The described pole piece extension of each described positive plate stretches out from a widthwise edges of each described diaphragm bag respectively,
Each is described, and that the described diaphragm bag of described positive plate is housed is stacked with each described negative plate respectively.
Alternatively, in end face and the bottom surface of each described barrier film, be coated with respectively polyvinylidene fluoride layer, each the described positive plate, negative plate that is positioned at each described barrier film end face and bottom surface respectively with each described polyvinylidene fluoride layer bonding connection.
Alternatively, described housing is circular, oval.
Therefore, the application technical solution of the present invention, lithium ion battery group with respect to prior art, adopt the technical scheme of the present embodiment can obtain shape lithium ion battery group more flexibly, the electricity consumption needs that more adapt to people, but for example can this battery pack be set to the ring-type of buckle, the user can be used as bangle and is worn on hand, be convenient to carry at any time in advance the charging at any time to portable electric appts.
Signal as the present embodiment; can select from the metal bracelet as the present embodiment from the Fuse Type fuse; when the temperature of metal bracelet reaches predetermined temperature; metal bracelet fuses automatically; thereby the button cell that disconnects this lithium ion battery group connects; realize that the excess temperature of battery pack protects automatically, be conducive to improve electrical safety.
Signal as the present embodiment; can also on this chain type lithium ion battery group, electric quantity display device be set; this electric quantity display device is connected, for further show the electric weight of current chain type lithium ion battery on this electric quantity display device with the controller of the circuit protection plate of each fastening lithium ionic cell.Further facilitate people and understand at any time current electric quantity, convenient charging in time.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, does not form inappropriate limitation of the present invention, in the accompanying drawings:
The structural representation of the chain type lithium ion battery group that Fig. 1 provides for the embodiment of the present invention 1.
Fig. 2 provides for the embodiment of the present invention 2-5 positive plate structural representation can be applicable in chain type lithium ion battery group;
Fig. 3 provides for the embodiment of the present invention 2-5 negative plate structure schematic diagram can be applicable in chain type lithium ion battery group;
Fig. 4 provides for the embodiment of the present invention 3 structural representation that can be applicable to the diaphragm bag that positive plate is housed in chain type lithium ion battery group;
Fig. 5 provides for the embodiment of the present invention 2-5 structural representation that can be applicable to the fastening lithium ionic cell in chain type lithium ion battery group.
reference numeral:
100: fastening lithium ionic cell; 101: positive plate; 102: negative plate;
103: diaphragm bag; 1011: curved edge; 1012: curved edge;
1013: horizontal edge; 1014: horizontal edge; 1015: the pole piece extension;
1016: the pole piece extension; 1031: widthwise edges; 1032: widthwise edges;
1033: horizontal edge; 1034: horizontal edge; 601: metal bracelet.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, in this illustrative examples of the present invention and explanation, be used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1:
Shown in Figure 1, the present embodiment provides a kind of chain type lithium ion battery group that adopts the fastening lithium ionic cell group to form.
Wherein, the metal bracelet 601 of the present embodiment can be rigid metal chain 601, can be also soft alloy chain 601.This metal bracelet 601 can be naked metal, also can be enclosed with insulating barrier in the periphery of this metal bracelet 601.
Therefore, lithium ion battery group with respect to prior art, adopt the technical scheme of the present embodiment can obtain shape lithium ion battery group more flexibly, the electricity consumption needs that more adapt to people, but the ring-type that for example can this battery pack be set to buckle, the user can be used as bangle and is worn on hand, is convenient to carry at any time the prior charging at any time to portable electric appts.
Signal as the present embodiment; can select from the metal bracelet 601 as the present embodiment from the Fuse Type fuse; when the temperature of metal bracelet 601 reaches predetermined temperature; metal bracelet 601 fuses automatically; thereby the button cell that disconnects this lithium ion battery group connects; realize that the excess temperature of battery pack protects automatically, be conducive to improve electrical safety.
Signal as the present embodiment; can also on this chain type lithium ion battery group, electric quantity display device be set; this electric quantity display device is connected, for further show the electric weight of current chain type lithium ion battery on this electric quantity display device with the controller of the circuit protection plate of each fastening lithium ionic cell 100.Further facilitate people and understand at any time current electric quantity, convenient charging in time.
Embodiment 2:
Shown in Fig. 2-5.
The present embodiment provides the fastening lithium ionic cell 100 in a kind of chain type lithium ion battery group that can be applied in embodiment 1, and this battery mainly comprises: housing and be encapsulated in the laminated battery core body in housing.
The laminated battery core body of the present embodiment fastening lithium ionic cell 100 is mainly become by least two positive plates 101, negative plate 102 and membrane layer stacked group.Wherein between every layer of positive plate 101, negative plate 102, be separated with one deck barrier film between respectively.The positive plate 101 of the present embodiment, negative plate 102 are respectively apple shape but not the rectangle of prior art.
Specifically, two longitudinal edges of each positive plate 101, negative plate 102 are respectively the curved edge 1011,1012 of relative outwardly convex, the convex arc of both sides outwardly convex that just looks like apple is the same, two widthwise edges of each described positive plate 101 and negative plate 102 are respectively horizontal edge 1013,1014, and the end of a horizontal edge 1013 has also extended longitudinally a pole piece extension therein, the carpopodium that this pole piece extension just looks like apple is the same.
Carrying out the laminated battery core body when stacked, make the horizontal edge 1012,1013 of two width ends of stacked positive plate 101, negative plate 102 relatively up and down over against stacked, and each pole piece extension 1015 of each positive plate 101 is stretched out from a width end of laminated battery core body, each pole piece extension 1016 of negative plate 102 stretches out from another width end of laminated battery core body, make on the laminated battery core body, the pole piece extension 1015,1016 of positive plate 101, negative plate 102 stretches out respectively relatively from front end and the rear end of laminated battery core body respectively.
After obtaining the laminated battery core body, this laminated battery core body is encapsulated in the housing of button cell.
Therefore, application the present embodiment structure, with respect to prior art, the fastening lithium ionic cell 100 particularly become with respect to the coiling battery core system that adopts flat, the laminated battery core body that the pole piece laminating that adopts pole piece to be apple shape due to the present embodiment is made, and the left and right edges of the laminated battery core body of the present embodiment is respectively outwards outstanding arc, it is after being assemblied in housing, the present embodiment laminated cell physical efficiency takes full advantage of the useful space in housing, improve positive plate 101 as far as possible, the pole piece area of negative plate 102, be conducive to improve the capacity of lithium ion battery on the basis of the button cell of finite size,
In addition, positive plate 101 in the present embodiment laminated battery core body, two width ends of negative plate 102 are respectively horizontal edge, and positive plate 101, the pole piece extension of negative plate 102 stretches out from two width ends of laminated battery core body respectively, therefore can be conducive to increase the curved edge 1011 of pole piece two vertical width when pole piece designs, 1012, shorten the length of horizontal edge of its width end to improve to greatest extent the area of pole piece, can also guarantee when lamination, horizontal edge by each pole piece width end upper and lower over against the stacked location that is conducive to lamination, improve technique accuracy and the controllability of lamination, improve the process efficiency of lamination process, improve batch consistency of laminated battery core body, reduce fraction defective.
Embodiment 3:
The difference of the present embodiment and embodiment 3 mainly is:
Signal as the present embodiment, the negative plate 102 that can also adopt in the present embodiment single face only to be coated with negative material is as lamination at the end face of laminated battery core body and the pole piece of bottom surface, and the collector bare metal face of the negative plate 102 that this single face is applied is positioned at the end face of laminated battery core body and the outermost layer of bottom surface.After being contained in housing by the laminated battery core body, to be welded to Face to face on the end face of housing by the collector bare metal as the negative plate 102 of the end face of negative pole cover near housing, at this moment the electric connection that only needs each pole piece extension of negative plate 102 is welded to each other to connection and can realize each negative plate 102 and housing without the end face welding of the pole piece extension by each negative plate 102 and housing, shell is as cathode output end of fastening lithium ionic cell 100.
In the present embodiment, adopt above-mentioned schematic construction, because the outermost layer that is positioned at the laminated battery core body is set to negative plate 102, and the uncoated electrode material of the exposed face that makes this outermost negative plate 102, be the collector bare metal face of negative plate 102, when carrying out the negative pole connection, only need the pole piece extension of each negative plate 102 is welded to each other (the pole piece extension of each negative plate 102 without by anode connector or by anode connector, be not welded on housing), then the technique of the collector bare metal face of negative plate 102 and housing end face welding can realize being connected of negative pole and housing.
First be welded to each negative plate 102 on the anode connector be connected with housing with respect to the lug of negative plate in prior art 102 and realize the technical scheme be connected with housing by this anode connector, thereby adopt the present embodiment technical scheme can on the basis of not using anode connector, realize the direct annex be connected in the housing that can reduce limited space of negative pole and housing, be conducive to this is effectively utilized the space of saving for the laminated battery core body, be conducive to improve the battery capacity of the limited fastening lithium ionic cell of dimensions 100; And on the basis of the negative material coated area of minimizing negative plate 102, further improve on the contrary the capacity of battery, and application the present embodiment technical scheme, negative plate 102 and housing to be connected contact area larger, connect more firm, be conducive to reduce the internal resistance of this fastening lithium ionic cell 100, improve discharging efficiency.
In the present embodiment, can select the positive plate 101 of dual coating, and the negative plate 102 that can adopt dual coating specifically need to and design needs according to the actual battery capacity as the negative plate 102 that is layered in laminated battery core body inside.
As the signal of this enforcement, the positive plate 101 of the present embodiment laminated battery core body can adopt following technical scheme with being connected of the positive terminal of housing:
The pole piece extension of each positive plate 101 is welded to each other to connection, then the pole piece extension this is welded to each other together is welded on the positive terminal of housing, be separated with insulating barrier between wherein between this positive terminal and housing, thereby the positive terminal on anodal and housing is electrically connected.
Embodiment 4:
The difference of the present embodiment and embodiment 3 mainly is: adopt in the present embodiment positive plate 101 barrier film pack techniques, specific as follows:
Shown in Figure 3, before carrying out lamination, at first each positive plate 101 is respectively charged in each diaphragm bag 103, wherein, the structure of the diaphragm bag 103 of the present embodiment is as follows: curved edge 1031,1032, two widthwise edges that two longitudinal edges of each diaphragm bag 103 are respectively the relative outwardly convex be complementary with two longitudinal edges of positive plate 101 are respectively horizontal edge 1033,1034.Make after toward every diaphragm bag 103, packing positive plate 101 into, the pole piece extension of each positive plate 101 width ends is stretched 1015 and is gone out outside the widthwise edges 1034 of diaphragm bag 103.After diaphragm bag 103 that each positive plate 101 is packed into, make the diaphragm bag 103 that positive plate 101 respectively is housed carry out the stacked laminated battery core body that can obtain the present embodiment with each negative plate 102 respectively.
The barrier film bagger artistic skill of employing the present embodiment enough further improves the process efficiency of lamination.
Embodiment 5:
The difference of the present embodiment and embodiment 4 mainly is:
The end face of each barrier film of the present embodiment and bottom surface are coated with respectively polyvinylidene fluoride layer (Polyvinylidene Fluoride, be called for short PVDF), each positive plate 101, negative plate 102 that is positioned at each barrier film end face and bottom surface respectively with each PVDF layer bonding connection of each barrier film.
In the process changed at battery like this, the PVDF layer on barrier film two sides is bonded together with positive plate 101 and the negative plate 102 on its both sides in the semi-molten state, is conducive to further improve the structural stability of laminated battery core body.
It should be noted that, the fastening lithium ionic cell 100 of each embodiment can for flat is circular or oval or other similar circles fastening lithium ionic cell 100.
Analysis of experimental data:
In order to further illustrate the technique effect of the present embodiment, below be prepared diameter and be: 30 millimeters, thickness is 32 millimeters: fastening lithium ionic cell 100, and these fastening lithium ionic cells 100 are carried out to the experimental data compare of analysis:
Comparative Examples 1: button cell adopts flat coiling battery core body, and angle and the housing of coiling battery core body are inconsistent;
Comparative Examples 2: button cell adopts square laminated battery core body, and angle and the housing of laminated battery core body are inconsistent;
Embodiment 1: button cell adopts the laminated battery core body of the embodiment of the present invention 2;
Embodiment 2: button cell adopts the laminated battery core body of the embodiment of the present invention 3;
Embodiment 3: button cell adopts the laminated battery core body of the embodiment of the present invention 5;
Sample respectively ten of the samplings of above-mentioned each button cell, tested sampling, obtains the experimental data shown in following table one:
Table one: experimental data compare of analysis table
| Project | Comparative Examples 1 | Comparative Examples 2 | Embodiment 1 | Embodiment 2 | Embodiment 4 |
| Capacity | 160 | 180 | 220 | 230 | 240 |
| Discharge-rate | 1C | 3C | 5C | 5C | 5C |
Therefore, adopt the present embodiment technical scheme, can obtain significant effect with respect to prior art on the discharge-rate that improves battery capacity and raising battery.Accordingly, the fastening lithium ionic cell of the present embodiment is applied in the chain type lithium ion battery group of embodiment 1 and in like manner can obtains above-mentioned technique effect.
The above technical scheme that the embodiment of the present invention is provided is described in detail, applied specific case herein principle and the execution mode of the embodiment of the present invention are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the present invention; , for one of ordinary skill in the art, according to the embodiment of the present invention, on embodiment and range of application, all will change, in sum, this description should not be construed as limitation of the present invention simultaneously.
Claims (9)
1. a chain type lithium ion battery group, is characterized in that, comprises at least two fastening lithium ionic cells,
Be connected with respectively metal bracelet between the positive and negative electrode terminal of each described fastening lithium ionic cell,
Each described metal bracelet is connected each described fastening lithium ionic cell or be connected in parallel.
2. a kind of chain type lithium ion battery group according to claim 1, is characterized in that,
Each described metal bracelet is from the Fuse Type fuse, and when the temperature of described metal bracelet reaches predetermined temperature, described metal bracelet fuses automatically.
3. a kind of chain type lithium ion battery group according to claim 1 and 2, is characterized in that,
Also comprise electric quantity display device, described electric quantity display device is connected with the circuit protection plate of each described fastening lithium ionic cell, for showing the electric weight of current described chain type lithium ion battery.
4. a kind of chain type lithium ion battery group according to claim 1 and 2, is characterized in that,
Described fastening lithium ionic cell comprises: laminated battery core body, and housing, and described laminated battery core body is encapsulated in described housing,
Described laminated battery core body comprises at least two positive plates, negative plate and barrier film, and described barrier film interval is between any two described positive plates and negative plate;
Two longitudinal edges of each described positive plate and negative plate are respectively the curved edge of relative outwardly convex, two widthwise edges of each described positive plate and negative plate are respectively horizontal edge, the end of a horizontal edge has also extended longitudinally a pole piece extension therein
On described laminated battery core body, the horizontal edge of two width ends of each described positive plate, negative plate is respectively over against stacked, and the described pole piece extension of each described positive plate, negative plate is located opposite from respectively two width ends of described laminated battery core body.
5. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
Being positioned at the top of described laminated cell body thickness direction and the pole piece of bottom is: the described negative plate that single face applies,
The collector bare metal of the described negative plate that each described single face applies is showed in described laminated cell volume surrounding, and is welded to connect face-to-face with the negative pole cover of described housing;
The pole piece extension of each described negative plate is welded to each other connection, and with described negative pole cover, is not welded to connect.
6. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
The pole piece extension of each described positive plate is welded on the positive terminal of described housing after being welded to each other connection, is separated with insulating barrier between between described positive terminal and described laminated battery core body.
7. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
Described barrier film interval between any two described positive plates and negative plate, specifically,
Each described positive plate is contained in respectively in each diaphragm bag, and two longitudinal edges of each described diaphragm bag are respectively the curved edge of relative outwardly convex,
Two widthwise edges of each described diaphragm bag are respectively horizontal edge,
The described pole piece extension of each described positive plate stretches out from a widthwise edges of each described diaphragm bag respectively,
Each is described, and that the described diaphragm bag of described positive plate is housed is stacked with each described negative plate respectively.
8. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
End face and bottom surface at each described barrier film are coated with respectively polyvinylidene fluoride layer, each the described positive plate, negative plate that is positioned at each described barrier film end face and bottom surface respectively with each described polyvinylidene fluoride layer bonding connection.
9. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
Described housing is circular, oval.
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| CN201310418782.6A CN103456912B (en) | 2013-09-13 | 2013-09-13 | Chain type Li-ion batteries piles |
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| CN201310418782.6A CN103456912B (en) | 2013-09-13 | 2013-09-13 | Chain type Li-ion batteries piles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441237A (en) * | 2013-09-13 | 2013-12-11 | 深圳市格瑞普电池有限公司 | Button type lithium ion battery and chain type lithium ion battery pack |
| CN107492678A (en) * | 2016-06-13 | 2017-12-19 | 兴能高科技股份有限公司 | The class stack wrap formula structure of lithium ion battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471037Y (en) * | 2001-02-21 | 2002-01-09 | 广东海特电子信息技术开发有限公司 | Watch-type chinese pager |
| CN2631051Y (en) * | 2003-06-20 | 2004-08-04 | 比亚迪股份有限公司 | Button cell |
| CN101174681A (en) * | 2006-10-30 | 2008-05-07 | 比亚迪股份有限公司 | Pole piece complex body, electric core and lithium ion battery |
| CN202888276U (en) * | 2012-09-24 | 2013-04-17 | 深圳市冠力新材料有限公司 | Ultra-high molecular-weight polyethylene composite diaphragm for high-performance lithium-ion batteries |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775858Y (en) * | 2005-02-01 | 2006-04-26 | 黄伟利 | Energy source device capable of wearing on wriste |
| CN203445176U (en) * | 2013-09-13 | 2014-02-19 | 深圳市格瑞普电池有限公司 | Chained lithium ion battery pack |
-
2013
- 2013-09-13 CN CN201310418782.6A patent/CN103456912B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471037Y (en) * | 2001-02-21 | 2002-01-09 | 广东海特电子信息技术开发有限公司 | Watch-type chinese pager |
| CN2631051Y (en) * | 2003-06-20 | 2004-08-04 | 比亚迪股份有限公司 | Button cell |
| CN101174681A (en) * | 2006-10-30 | 2008-05-07 | 比亚迪股份有限公司 | Pole piece complex body, electric core and lithium ion battery |
| CN202888276U (en) * | 2012-09-24 | 2013-04-17 | 深圳市冠力新材料有限公司 | Ultra-high molecular-weight polyethylene composite diaphragm for high-performance lithium-ion batteries |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441237A (en) * | 2013-09-13 | 2013-12-11 | 深圳市格瑞普电池有限公司 | Button type lithium ion battery and chain type lithium ion battery pack |
| CN107492678A (en) * | 2016-06-13 | 2017-12-19 | 兴能高科技股份有限公司 | The class stack wrap formula structure of lithium ion battery |
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| CN103456912B (en) | 2016-01-20 |
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