CN203445176U - Chained lithium ion battery pack - Google Patents

Chained lithium ion battery pack Download PDF

Info

Publication number
CN203445176U
CN203445176U CN201320570245.9U CN201320570245U CN203445176U CN 203445176 U CN203445176 U CN 203445176U CN 201320570245 U CN201320570245 U CN 201320570245U CN 203445176 U CN203445176 U CN 203445176U
Authority
CN
China
Prior art keywords
lithium ion
ion battery
negative plate
plate
chain type
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 - Lifetime
Application number
CN201320570245.9U
Other languages
Chinese (zh)
Inventor
周晓玲
何安轩
殷振国
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.)
Shenzhen Grepow Battery Co Ltd
Original Assignee
Shenzhen Grepow Battery Co 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 Shenzhen Grepow Battery Co Ltd filed Critical Shenzhen Grepow Battery Co Ltd
Priority to CN201320570245.9U priority Critical patent/CN203445176U/en
Application granted granted Critical
Publication of CN203445176U publication Critical patent/CN203445176U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model relates to the field of lithium batteries and discloses a chained lithium ion battery pack. The chained lithium ion battery pack comprises at least two button lithium ion batteries; a metal chain is connected between the anode terminal and the cathode terminal of each button lithium ion battery; the button lithium ion batteries are connected in series or in parallel through the metal chains. Through the adoption of the technical scheme, the mounting and the carrying of the chained lithium ion battery pack are facilitated.

Description

Chain type lithium ion battery group
Technical field
The utility model relates to 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, by winding process, obtain cylindric coiling battery core, then this cylindric coiling battery core is pressed into 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, by the negative pole lug welding of width end that is connected to 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 is covered, cathode output end sub-connection on this positive pole upper cover and housing.
In research process of the present utility model, the inventor finds that prior art at least exists following defect:
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 cannot meet the demand of people to high power capacity and high-multiplying-power battery.
Utility model content
The first object of the present utility model is to provide a kind of chain type lithium ion battery group, applies this technical scheme and is more 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, comprises at least two fastening lithium ionic cells,
Described in each, between the positive and negative electrode terminal of fastening lithium ionic cell, be connected with respectively metal bracelet,
Described in each, metal bracelet is connected fastening lithium ionic cell described in each or be connected in parallel.
Alternatively, described in each, metal bracelet is from 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 fastening lithium ionic cell described in each, 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 described in any two between positive plate and negative plate;
Described in each, two longitudinal edges of positive plate and negative plate are respectively the curved edge of relative outwardly convex, described in each, two widthwise edges of 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, described in each, the horizontal edge of two width ends of positive plate, negative plate is respectively over against stacked, and described in each, the described pole piece extension of 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 one side applies,
The collector bare metal of the described negative plate that described in each, one side 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;
Described in each, the pole piece extension of negative plate is welded to each other connection, and is not welded to connect with described negative pole cover.
Alternatively, described in each, the pole piece extension of 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 is described in any two between positive plate and negative plate, specifically,
Described in each, positive plate is contained in respectively in each diaphragm bag, and described in each, two longitudinal edges of diaphragm bag are respectively the curved edge of relative outwardly convex,
Described in each, two widthwise edges of diaphragm bag are respectively horizontal edge,
Described in each, the described pole piece extension of positive plate stretches out from a widthwise edges of diaphragm bag described in each respectively,
The described diaphragm bag that described positive plate is housed described in each is stacked with negative plate described in each respectively.
Alternatively, described in each, the end face of barrier film and bottom surface are coated with respectively polyvinylidene fluoride layer, be positioned at positive plate described in each of barrier film end face described in each and bottom surface, negative plate respectively with polyvinylidene fluoride layer bonding connection described in each.
Alternatively, described housing is circular, oval.
Therefore, application technical solutions of the utility model, 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, for example can this battery pack be set to can buckle ring-type, user can be used as bangle and is worn on hand, is convenient to carry at any time the charging at any time to portable electric appts in advance.
Signal as the present embodiment; can select from the metal bracelet as the present embodiment from 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 the excess temperature of battery pack and automatically protect, be conducive to improve electrical safety.
Signal as the present embodiment; can also in 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.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, does not form to improper restriction of the present utility model, in the accompanying drawings:
The structural representation of the chain type lithium ion battery group that Fig. 1 provides for the utility model embodiment 1.
Fig. 2 provides the positive plate structural representation can be applicable in chain type lithium ion battery group for the utility model embodiment 2-5;
Fig. 3 provides the negative plate structure schematic diagram can be applicable in chain type lithium ion battery group for the utility model embodiment 2-5;
Fig. 4 provides the structural representation that can be applicable to the diaphragm bag that positive plate is housed in chain type lithium ion battery group for the utility model embodiment 3;
Fig. 5 provides the structural representation that can be applicable to the fastening lithium ionic cell in chain type lithium ion battery group for the utility model embodiment 2-5.
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: pole piece extension;
1016: pole piece extension; 1031: widthwise edges; 1032: widthwise edges;
1033: horizontal edge; 1034: horizontal edge; 601: metal bracelet.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, describe the utility model in detail, in this illustrative examples of the present utility model and explanation, be used for explaining the utility model, but not as to restriction of the present utility model.
Embodiment 1:
Shown in Figure 1, the present embodiment provides a kind of chain type lithium ion battery group that adopts fastening lithium ionic cell group to form.
Connection metal chain 601 respectively between the positive terminal of each fastening lithium ionic cell 100, negative terminal specifically, by metal bracelet 601, each fastening lithium ionic cell 100 is linked together and forms arc, annular or the arbitrary shape such as circular, thereby each fastening lithium ionic cell 100 is connected or parallel connection or connection in series-parallel are connected and obtain the chain type lithium ion battery group of the present embodiment.
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, for example can this battery pack be set to can buckle ring-type, user can be used as bangle and is worn on hand, is convenient to carry at any time the charging at any time to portable electric appts in advance.
Signal as the present embodiment; can select from the metal bracelet 601 as the present embodiment from 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 the excess temperature of battery pack and automatically protect, be conducive to improve electrical safety.
Signal as the present embodiment; can also in 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, described in each, two widthwise edges of 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 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 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 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 becoming 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 makes full use 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 longitudinal 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 is mainly:
Signal as the present embodiment, can also adopt in the present embodiment negative plate 102 that one side is only coated with negative material as lamination at the end face of laminated battery core body and the pole piece of bottom surface, and make the collector bare metal face of the negative plate 102 that this one side applies be positioned at the end face of laminated battery core body and the outermost layer of bottom surface.After laminated battery core body is contained in housing, using near housing, the collector bare metal as the negative plate 102 of the end face of negative pole cover is welded on the end face of housing Face to face, at this moment only need each pole piece extension of negative plate 102 to be welded to each other and to connect and without the end face welding of the pole piece extension of each negative plate 102 and housing being realized to the electric connection of each negative plate 102 with housing, shell is sub as the cathode output end of fastening lithium ionic cell 100.
In the present embodiment, adopt above-mentioned schematic construction, owing to being positioned at the outermost layer of laminated battery core body, be 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 negative pole connection, only need the pole piece extension of each negative plate 102 to be 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.
With respect to the lug of negative plate in prior art 102, be first welded to each negative plate 102 on the anode connector being connected with housing and realize the technical scheme being 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 being connected in the housing that can reduce limited space of negative pole and housing, be conducive to this space by saving effectively to utilize for 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 can adopt the negative plate 102 of dual coating as the negative plate 102 that is layered in laminated battery core body inside, specifically need to be according to actual battery capacity and design needs.
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 being welded to each other is together welded on the positive terminal of housing, between wherein between this positive terminal and housing, be separated with insulating barrier, thereby the positive terminal on anodal and housing is electrically connected.
Embodiment 4:
The difference of the present embodiment and embodiment 3 is mainly: adopt in the present embodiment positive plate 101 barrier film pack techniques, specific as follows:
Shown in Figure 3, before carrying out lamination, 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 matching with two longitudinal edges of positive plate 101 are respectively horizontal edge 1033,1034.Make packing into after positive plate 101 toward every diaphragm bag 103, 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.Each positive plate 101 is being packed into after diaphragm bag 103, making the diaphragm bag 103 that positive plate 101 is respectively 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 is mainly:
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 changing 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 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, be below 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 experimental data compare of analysis:
Comparative example 1: button cell adopts flat coiling battery core body, and angle and the housing of coiling battery core body are inconsistent;
Comparative example 2: button cell adopts square laminated battery core body, angle and the housing of laminated battery core body are inconsistent;
Embodiment 1: button cell adopts the laminated battery core body of the utility model embodiment 2;
Embodiment 2: button cell adopts the laminated battery core body of the utility model embodiment 3;
Embodiment 3: button cell adopts the laminated battery core body of the utility model embodiment 5;
Sample respectively ten of the samplings of above-mentioned each button cell, test sampling, obtain the experimental data shown in following table one:
Table one: experimental data compare of analysis table
Project Comparative example 1 Comparative example 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, with respect to prior art, on the discharge-rate that improves battery capacity and raising battery, can obtain significant effect.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 technical scheme above the utility model embodiment being provided is described in detail, applied specific case herein the principle of the utility model embodiment and execution mode are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the utility model embodiment; , for one of ordinary skill in the art, according to the utility model embodiment, in embodiment and range of application, all will change, in sum, this description should not be construed as restriction of the present utility model meanwhile.

Claims (9)

1. a chain type lithium ion battery group, is characterized in that, comprises at least two fastening lithium ionic cells,
Described in each, between the positive and negative electrode terminal of fastening lithium ionic cell, be connected with respectively metal bracelet,
Described in each, metal bracelet is connected fastening lithium ionic cell described in each or be connected in parallel.
2. a kind of chain type lithium ion battery group according to claim 1, is characterized in that,
Described in each, metal bracelet is from 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 fastening lithium ionic cell described in each, 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 described in any two between positive plate and negative plate;
Described in each, two longitudinal edges of positive plate and negative plate are respectively the curved edge of relative outwardly convex, described in each, two widthwise edges of 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, described in each, the horizontal edge of two width ends of positive plate, negative plate is respectively over against stacked, and described in each, the described pole piece extension of 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 one side applies,
The collector bare metal of the described negative plate that described in each, one side 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;
Described in each, the pole piece extension of negative plate is welded to each other connection, and is not welded to connect with described negative pole cover.
6. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
Described in each, the pole piece extension of 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 is described in any two between positive plate and negative plate, specifically,
Described in each, positive plate is contained in respectively in each diaphragm bag, and described in each, two longitudinal edges of diaphragm bag are respectively the curved edge of relative outwardly convex,
Described in each, two widthwise edges of diaphragm bag are respectively horizontal edge,
Described in each, the described pole piece extension of positive plate stretches out from a widthwise edges of diaphragm bag described in each respectively,
The described diaphragm bag that described positive plate is housed described in each is stacked with negative plate described in each respectively.
8. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
Described in each, the end face of barrier film and bottom surface are coated with respectively polyvinylidene fluoride layer, be positioned at positive plate described in each of barrier film end face described in each and bottom surface, negative plate respectively with polyvinylidene fluoride layer bonding connection described in each.
9. a kind of chain type lithium ion battery group according to claim 4, is characterized in that,
Described housing is circular, oval.
CN201320570245.9U 2013-09-13 2013-09-13 Chained lithium ion battery pack Expired - Lifetime CN203445176U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320570245.9U CN203445176U (en) 2013-09-13 2013-09-13 Chained lithium ion battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320570245.9U CN203445176U (en) 2013-09-13 2013-09-13 Chained lithium ion battery pack

Publications (1)

Publication Number Publication Date
CN203445176U true CN203445176U (en) 2014-02-19

Family

ID=50096199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320570245.9U Expired - Lifetime CN203445176U (en) 2013-09-13 2013-09-13 Chained lithium ion battery pack

Country Status (1)

Country Link
CN (1) CN203445176U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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
CN103456912B (en) * 2013-09-13 2016-01-20 深圳市格瑞普电池有限公司 Chain type Li-ion batteries piles

Cited By (2)

* Cited by examiner, † Cited by third party
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
CN103456912B (en) * 2013-09-13 2016-01-20 深圳市格瑞普电池有限公司 Chain type Li-ion batteries piles

Similar Documents

Publication Publication Date Title
CN103441237B (en) The chain type Li-ion batteries piles of buckle type lithium ion battery
CN203707250U (en) Lithium battery
CN103779579A (en) Lithium battery negative electrode sheet and preparation method thereof as well as lithium battery preparation method
CN210403945U (en) Laminated lithium ion battery
CN207572477U (en) Electrode assembly and secondary cell
CN207124245U (en) Secondary battery
CN110752401A (en) Button cell and manufacturing method thereof
CN202259518U (en) Combined lithium battery with welded tabs
CN204857836U (en) Secondary cell in succession convolutes
CN203445176U (en) Chained lithium ion battery pack
CN203445186U (en) Button lithium ion battery and chain lithium ion battery pack
CN202917600U (en) Aluminum-plastic packed high-power lithium ion battery
CN103456912B (en) Chain type Li-ion batteries piles
CN201820851U (en) Three pole ear electrical core of polymer low-temperature lithium-ion battery
CN103346356B (en) Lithium ion battery as well as preparation method thereof and lithium-ion battery pack
CN202905908U (en) Lithium ion secondary battery adopting coiled cell
CN202839867U (en) Electric core of coiled lithium ion secondary battery
CN201766116U (en) Coiled flexible package lithium ion battery
CN202395088U (en) Cylindrical lithium ion battery
CN205900715U (en) Fill soon, put soon, long -lived lithium ion power batteries
CN202695643U (en) Lithium-ion battery rolling core structure battery cell and lithium-ion battery thereof
CN204407427U (en) A kind of power energy storage soft bag lithium ionic cell
CN203339252U (en) Assembling structure for battery cores of flexible package lithium ion battery
CN207967197U (en) The polymer Li-ion battery of monomer vast capacity
CN201601189U (en) Lithium ion battery with multiple electrodes led out reversely

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140219