CN102214806B - Battery module - Google Patents
Battery module Download PDFInfo
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- CN102214806B CN102214806B CN201110086060.6A CN201110086060A CN102214806B CN 102214806 B CN102214806 B CN 102214806B CN 201110086060 A CN201110086060 A CN 201110086060A CN 102214806 B CN102214806 B CN 102214806B
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- electrode
- insulator
- insulation board
- opening
- electrode assemblie
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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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Abstract
Battery modules have a plurality of electrode assemblies in which the electrode tabs of electrode assemblies are easily attached to the battery cases by a common insulator including receptacles for receiving the electrode assemblies. These configurations enable easy manufacture of medium- and large-sized battery modules with a plurality of electrode assemblies. In some embodiments, a battery module includes an insulator capable of mounting a plurality of electrode assemblies and receptacles in the insulator for receiving a portion of each electrode assembly.
Description
Technical field
The present invention relates to battery unit, more specifically, relate to the battery unit that comprises multiple electrode assemblies, wherein the electrode nipple of electrode assemblie can easily be attached to battery case, thereby manufactures medium size and large-sized battery module.
Background technology
Different from the primary cell that can not be repeated charging, secondary cell can be by charging and discharging repeatedly.There is the low-volume secondary battery of a unit for small-sized, portable electronic equipment, for example mobile phone, notebook computer and camcorder.The high-capacity secondary battery that comprises connection multiple battery units in groups receives publicity, as the power supply driving such as the motor of hybrid-power electric vehicle (hybrid electric car) etc.
The high-capacity secondary battery for example connecting, to drive (, motor vehicle etc.) motor that is one another in series needs high power, and can be used as battery module use.Therefore, high-capacity battery is studied energetically.
But in the time comprising that the module of multiple baby batteries is used as high-capacity secondary battery, weight and cost increase.In addition, in high-capacity secondary battery, the capacity of per unit unit increases, the required cost of performance that this understands the stability of obvious damage battery and has increased access to par.
Summary of the invention
Embodiments of the invention comprise the secondary cell with multiple electrode assemblies, wherein the electrode nipple of electrode assemblie easily soldered (or attached with other method) to battery case.This secondary cell comprises insulator, and this insulator has the accommodation section of the part for holding each electrode assemblie.Such structure makes it possible to easily manufacture medium size or large-sized battery module.
According to embodiments of the invention, secondary cell comprises for the insulator of multiple electrode assemblies for example, is installed and for supporting the accommodation section of a part of each electrode assemblie at battery case (tank).
Electrode assemblie can be jellyroll type electrode assemblie, and can be in shape circular or flat cylindricality.
In certain embodiments, accommodation section is outstanding from the top of insulator, and can be roughly cup-shapedly, makes each accommodation section have the inner chamber for hold electrodes assembly.
In some alternative embodiment, accommodation section can be the depression in the upper surface of insulator.
In the time that give prominence to from the top of insulator accommodation section, accommodation section can be shaped as the bottom of support electrode assembly.
Battery is included at least one insulator at top or the bottom place of electrode assemblie.But, according to some embodiment, battery be included in electrode assemblie top place the first insulator and at second insulator at the bottom place of electrode assemblie.Comprising first insulator at the upper and lower place that is arranged in electrode assemblie and the embodiment of the second insulator, each in the first insulator and the second insulator can be single body.
In addition, insulator can have hole, and the electrode nipple of electrode assemblie is through this hole.
According to embodiments of the invention; use has the Promethean insulator of accommodation section; can be by the electrode nipple welding (or attached with other method) of multiple electrode assemblies for example, be easily manufactured to medium size or large-sized battery module to battery case (tank); protection has the battery unit of low mechanical strength thus, and prevents the distortion of electrode assemblie.
In addition, this Promethean insulator makes it possible to accurate keeper electrode assembly, the accuracy that improves battery component, the structural stability of simplifying battery component and improving battery.
In addition, total manufacturing cost can reduce.And in the time that electrode assemblie breaks, remaining electrode assemblie can not break (only having an electrode assemblie to break), improves thus stability.
Brief description of the drawings
Fig. 1 is the decomposition diagram of insulator and multiple electrode assemblies according to an embodiment of the invention;
Fig. 2 is the electrode assemblie of Fig. 1 and the perspective view of insulator, and wherein electrode assemblie is arranged in insulator;
Fig. 3 is the perspective view that is arranged on the multiple electrode assemblies in the first insulator and the second insulator according to another embodiment of the present invention;
Fig. 4 is the perspective view of secondary cell according to another embodiment of the present invention;
Fig. 5 A is the sectional view intercepting along the line A-A ' of Fig. 4, illustrates being connected of electrode nipple and cover plate according to an embodiment of the invention;
Fig. 5 B is the sectional view intercepting along the line B-B ' of Fig. 4, illustrates being connected of electrode nipple and battery case according to an embodiment of the invention;
Fig. 6 is according to the sectional view of the secondary cell of further embodiment of this invention;
Fig. 7 is the perspective view that is arranged on the multiple electrode assemblies in insulator according to further embodiment of this invention;
Fig. 8 is the perspective view that is arranged on the multiple electrode assemblies in insulator according to further embodiment of this invention;
Fig. 9 is according to the decomposition diagram of multiple electrode assemblies of further embodiment of this invention and the first insulator and the second insulator.
Embodiment
After this, secondary cell according to an embodiment of the invention will be described with reference to the drawings.
Fig. 1 is the decomposition diagram of insulator and multiple electrode assemblie (for example jellyroll type assembly) according to an embodiment of the invention.Fig. 2 is the electrode assemblie of Fig. 1 and the perspective view of insulator, and wherein electrode assemblie is arranged in the accommodation section of insulator.With reference to figure 1 and Fig. 2, medium size or large scale secondary cell comprise insulator 20 according to an embodiment of the invention, can settle multiple electrode assemblies (for example circular jellyroll type assembly) 10 on this insulator 20.Insulator 20 comprises the accommodation section 21 for each electrode assemblie, and the bottom of accommodation section support electrode assembly 10.In certain embodiments, accommodation section 21 is given prominence to and can have inner chamber from the top of insulator 20, and the bottom of electrode assemblie 10 is inserted in this inner chamber.In addition, separate at 21Yi interval, accommodation section, makes multiple electrode assemblies 10 to arrange and to fix with interval.The length of any appropriate can be given prominence to from the top of insulator in accommodation section 21, and outstanding length is not particularly limited, but can extend any length that is suitable for firmly fixing electrode assemblie 10.
Each electrode assemblie 10 has the first electrode nipple 11 extending from the top of assembly and the second electrode nipple 12 extending from the bottom of assembly.For convenient, the first electrode nipple 11 extending from top is known as positive contact 11, and the second electrode nipple extending from bottom is known as negative contact 12.
For being exposed to outside hole 22, negative contact 12 is formed on the corresponding position, position of insulator and accommodation section 21.When electrode assemblie 10 is inserted to accommodation section 21, negative contact 12 is exposed to outside through the hole 22 of insulator 20.Multiple negative contacts 12 are exposed by hole 22 and are arranged (aligned), and then multiple negative contacts 12 can easily be soldered to battery case (for example tank).
The insulator 20 that comprises accommodation section 21 is inserted in battery case 32, and wherein electrode assemblie 10 is installed in this accommodation section 21, as shown in Figure 4.By insulator assembly is inserted into battery case, negative contact 12 can be welded (or attached in other mode) to battery case, as shown in Fig. 4 and Fig. 5 B.Positive contact 11 is described and negative contact 12 is connected respectively to cover plate 31 and battery case 32 below with reference to Fig. 4 to Fig. 5 B.And, although Fig. 4 illustrates the first insulator 20a and the second insulator 20b on the upper and lower of electrode assemblie, battery can comprise the single insulator 20 that is only positioned at the top place of multiple electrode assemblies 10 or is only positioned at the bottom place of multiple electrode assemblies 10 according to an embodiment of the invention.
The quantity of the accommodation section to insulator 20 does not limit, and insulator 20 can hold any amount of electrode assemblie, for example two or more electrode assemblies 10.In addition, insulator 20 can be made up of any suitable material, such as polypropylene, polyethylene, polyimides etc.
Electrode assemblie 10 comprise have be coated in the lip-deep anode active material layers of anode collector positive plate, have and be coated in the minus plate of the lip-deep cathode active material bed of material of cathode collector and the dividing plate between positive plate and minus plate.Electrode assemblie 10 is wound and makes dividing plate by positive plate and minus plate electric insulation.
Positive plate comprises the metal sheet with satisfactory electrical conductivity.For example, positive plate can comprise the anode collector of being made up of aluminium (Al) paper tinsel, and anode active material layers can be coated on the both sides of paper tinsel.Every one end of positive plate comprises the uncoated district of anode, and in the uncoated district of this anode, anode active material layers uncoated is on current-collector.The one end in the uncoated district of anode joins positive contact 11 to, and positive contact 11 is made up of aluminium (Al) material conventionally and give prominence to a length from the top of electrode assemblie 10.
Minus plate comprises the cathode collector of being made up of the metal sheet of for example copper (Cu) paper tinsel or nickel (Ni) paper tinsel, and the cathode active material bed of material is coated on the both sides of paper tinsel.Every one end of minus plate comprises the uncoated district of negative electrode, and in the uncoated district of this negative electrode, cathode active material bed of material uncoated is on current-collector.The one end in the uncoated district of negative electrode joins negative contact 12 to, and negative contact 12 is made up of nickel (Ni) material conventionally and give prominence to a length from the bottom of electrode assemblie 10.
Fig. 3 is the perspective view that is arranged on the multiple electrode assemblies in the first insulator and the second insulator according to another embodiment of the present invention.Fig. 4 is the perspective view of secondary cell according to a second embodiment of the present invention.With reference to figure 3 and Fig. 4, in certain embodiments, insulator 20 can comprise the first insulator 20a on the top that is positioned at multiple electrode assemblies 10 and be positioned at the second insulator 20b on the bottom of multiple electrode assemblies 10.Such structure makes it possible to outstanding positive contact 11 and the outstanding negative contact 12 from the bottom of electrode assemblie 10 from the top of electrode assemblie 10 of easy arrangement (alignment) and location.
As shown in Figure 3 and Figure 4, the first insulator 20a comprises the first accommodation section 21a, and insert in the 21a of this first accommodation section on the top of multiple electrode assemblies 10.Equally, the second insulator 20b comprises the second accommodation section 21b, and insert in the 21b of this second accommodation section the bottom of multiple electrode assemblies 10.The first accommodation section 21a and the second accommodation section 21b are outstanding from the first insulator 20a and the second insulator 20b respectively, and each accommodation section can have inner chamber, and its corresponding electrode assemblie can insert in this inner chamber.The first accommodation section 21a and the second accommodation section 21b can distinguish location symmetrically., the position of the first accommodation section 21a on the first insulator 20a can be corresponding to the position of the second accommodation section 21b on the second insulator 20b, as shown in Figure 3 and Figure 4.
The top of the first accommodation section 21a hold electrodes assembly 10, and each accommodation section 21a comprises for positive contact 11 being exposed to the first outside hole 22a.The bottom of the second accommodation section 21b hold electrodes assembly 10, and each accommodation section 21b comprises for negative contact 12 being exposed to the second outside hole 22b.As a result, the positive contact 11 on the top of electrode assemblie 10 is through the first hole 22a in the first insulator 20a, and the negative contact 12 on the bottom of electrode assemblie 10 is through the second hole 22b in the second insulator 20b.Then, insulator assembly (comprising the multiple electrode assemblies 10 that are arranged in the first insulator 20a and the second insulator 20b) is for example inserted into, in battery case (tank) 32, and cover plate 31 is placed on the top of insulator assembly with sealed cell.By insulator assembly being inserted in battery case 32 and attachment of hd 31, the positive contact 11 soldered (or attached with other method) of extending through the first hole 22a is to the anode tap 33 being formed in cover plate 31, and the negative contact 12 soldered (or attached with other method) of extending through the second hole 22b is to the inside of battery case 32.
As shown in Figure 5A, in certain embodiments, positive contact 11 is connected to cover plate via anode tap 33.Cover plate 31 can insulate via packing ring 34 and anode tap 33.Be arranged in the first insulator with the position corresponding to the anode tap 33 in cover plate in position for positive contact 11 being connected to anode tap 33, the first hole 22a.This structure makes it possible to easily positive contact 11 is coupled (e.g., welded) to anode tap 33.Although battery case 32 and cover plate 31 have been described to have positive polarity, battery case and cover plate also can have contrary polarity.
Multiple electrode assemblies 10 can be arranged on insulator, make positive contact 11 and negative contact 12 accurately be positioned at attached (for example welding) position to battery case 32 or cover plate 31.; accommodation section 21a on insulator 20a and 20b and 21b are located so that their corresponding electrode assemblies 10 are accurately arranged in battery case 32, thereby each positive contact 11 and negative contact 12 can easily and accurately be coupled (e.g., welded) to battery case 32 or cover plate 31.By this accurate location of multiple electrode assemblies, battery component can be simplified, and makes the structural stability of easily manufacturing battery unit and improving module.In addition this establishing protective electrode assemblie 10 (it has low mechanical strength) contribute to prevent the distortion of electrode assemblie 10.
Fig. 5 A is the sectional view intercepting along the line A-A ' of Fig. 4, and illustrates being connected of positive contact 11 and anode tap 33 in cover plate 31.With reference to figure 5A, positive contact 11 (it is given prominence to from the top that is arranged on the electrode assemblie 10 the first accommodation section 21a) is extended through the first hole 22a of the first insulator 20a.The positive contact 11 being exposed to anode tap 33, makes not contact cover plate 31 with bending structure soldered (or attached in other mode).Anode tap 33 can insulate by packing ring 34 and cover plate 31.Packing ring 34 has conventionally the patchhole 35 of the heart therein, and anode tap 33 can insert this patchhole 35 and make anode tap 33 can contact positive contact 11.As shown in Figure 5A, the position of the first hole 22a direct anode joint 11 in the first insulator 20a, makes it possible to easily connect (for example welding) anode tap 33 and positive contact 11.
Fig. 5 B is the sectional view intercepting along the line B-B ' of Fig. 4, and illustrates being connected of negative contact 12 and battery case 32.With reference to figure 5B, negative contact 12 (it is given prominence to from the bottom that is arranged on the electrode assemblie 10 the second accommodation section 21b) is extended through the second hole 22b of the second insulator 20b.Because tank 32 itself has positive polarity, the negative contact 12 of extending through the second hole 22b is the inside to tank 32 with bending structure soldered (or attached in other mode).
Fig. 6 is the perspective view of battery module according to still another embodiment of the invention.With reference to figure 6, negative contact 12 is attached to battery case 32 by the mode identical with battery module in Fig. 4.But positive contact 11 is different to attached and Fig. 4 of cover plate.As shown in Figure 6, cover plate 31 comprises Sole anode lead-in wire 33 ', and positive contact 11 is attached to this anode tap 33 '.The positive contact 11 each soldered (or in other mode connect) outstanding from the top of the first insulator 20a is to contact conductor connector 36, and this contact conductor connector 36 is electrically connected to the Sole anode lead-in wire 33 ' in the patchhole 35 that is inserted into packing ring 34 '.According to this structure, cover plate 31 only comprises an anode tap 33 ', makes battery module can have simpler structure.
Packing ring 34 ' is positioned in cover plate 31, so that anode tap 33 ' and cover plate 31 are insulated.Cover plate can also comprise the insulation board 37 between contact conductor connector 36 and cover plate 31, and making to have the contact conductor connector 36 of negative polarity and have the cover plate 31 of positive polarity can be insulated from each other.
Fig. 7 is the perspective view that is arranged on the multiple electrode assemblies in insulator according to still another embodiment of the invention.With reference to figure 7, can use the insulator 20 that is wherein inserted with multiple electrode assemblies 10 to manufacture medium size and large-sized battery module.Insulator 20 comprises the accommodation section 21 ' of the bottom for supporting multiple electrode assemblies 10.As shown in Figure 7, accommodation section 21 ' is the depression in the surface of insulator 20, and the bottom of electrode assemblie 10 can be inserted in this depression.This depression can have any suitable degree of depth of energy support electrode assembly 10.For example, this depression can have the degree of depth being suitable for around the bottom of electrode assemblie 10.
Hole 22 (negative contact 12 of electrode assemblie 10 is extended through it) in insulator is positioned in the accommodation section 21 ' of insulator, makes in the time that electrode assemblie 10 is inserted in accommodation section 21 ', and negative contact 12 is extended through the hole 22 of insulator 20.Therefore, hole 22, for aiming at multiple negative contacts 12, makes it possible to easily attached (for example, by welding) joint 12 thus to battery case.
Insulator 20 (having the multiple electrode assemblies 10 that are arranged in accommodation section 21 ') is inserted in battery case, therefore makes it possible to accurate keeper electrode assembly 10 in battery case.
Fig. 8 is the perspective view that is arranged on the multiple electrode assemblies in insulator according to further embodiment of this invention.With reference to figure 8, each accommodation section 21 of insulator 20 " support peripheral at least a portion of the bottom of its corresponding electrode assemblie 10.As shown, accommodation section 21 " outstanding from the upper surface of insulator 20, and each accommodation section 21 " comprise the outer peripheral wall with at least one opening.In other words, construct accommodation section 21 to obtain for any mode of the support of the minimum of electrode assemblie 10 ".For example, in an example embodiment, accommodation section 21 " outer peripheral wall can comprise the opening that exceedes, and opening in wall can repeat with any suitable interval.
Fig. 9 is the decomposition diagram that is arranged on the multiple electrode assemblies in the first insulator and the second insulator according to further embodiment of this invention.With reference to figure 9, can manufacture medium size and large-sized battery module by the insulator 20 that is equipped with multiple flat cylindrical electrode assemblies 10 (not being circular components) is inserted into battery case (not shown).As shown in Figure 9, insulator 20 comprises the first insulator 20a on the top that is positioned at electrode assemblie 10 and is positioned at the second insulator 20b on the bottom of electrode assemblie 10.The top of the first accommodation section 21a support electrode assembly 10 is also formed on the first insulator 20a.The bottom of the second accommodation section 21b support electrode assembly 10 is also formed on the second insulator 20b.
As shown in Figure 9, the first accommodation section 21a and the second accommodation section 21b are outstanding from the first insulator 20a and the second insulator 20b respectively, and separate to be defined for the position of electrode insertion assembly 10.Although accommodation section 21a and 21b are shown in Figure 9 for around the top of electrode assemblie or bottom, accommodation section 21a and 21b can have any suitable shape, comprise above-mentioned any shape of discussing with reference to figure 1-8.For example, accommodation section 21a and 21b can be shaped as partly top or the bottom of support electrode assembly 10, as shown in Figure 8.
Because flat cylindrical electrode assembly 10 has all along the outstanding positive contact 11 of equidirectional and negative contact 12, the first insulator 20a comprises the first hole 23a and the second hole 23b, positive contact 11 is extended through this first hole 23a, and negative contact is extended through this second hole 23b.The first hole 23a and the second hole 23b are respectively formed in the accommodation section 21a of the first insulator 20a, and its position is respectively corresponding to the position of positive contact 11 and negative contact 12.The positive contact 11 of extending through the first hole 23a and the negative contact 12 of extending through the second hole 23b are attached to the position alignment of battery case with them, make it possible to thus easily attached joint (for example, by welding) be arrived to shell.
Although the first accommodation section 21a and the second accommodation section 21b are illustrated as outstanding from the first insulator 20a and the second insulator 20b respectively in Fig. 9, alternately, they can be the depressions in the surface of the first insulator 20a and the second insulator 20b, as shown in Figure 7.In addition, because positive contact 11 and negative contact 12 are outstanding from electrode assemblie 10 along identical direction, for example, so insulator can comprise the single insulator of the part of extending joint (top) top that is arranged on electrode assemblie.
In order to form flat cylindrical electrode assembly 10, dividing plate is positioned between positive plate and minus plate, and this structure is wound to form jellyroll type electrode assemblie.Positive contact 11 is connected to positive plate outstanding from the top of electrode assemblie 10.Negative contact 12 is connected to minus plate also outstanding from the top of electrode assemblie 10.Positive contact 11 and negative contact 12 are separated from one another and be electrically connected to electrode assemblie 10.In addition the part that, laminated tape (lamination tape) 13 can be connected to electrode assemblie 10 around positive contact 11 and negative contact 12 is reeled.The edge extruding electrode assemblie 10 that laminated tape 13 stops the heat producing from positive contact 11 or negative contact 12 and prevents positive contact 11 or negative contact 12.
Although in the above-described embodiments, hole is formed in insulator with exposed electrode joint, also can be formed for discharging the hot through hole that electrode assemblie produces.
Although illustrate and described the present invention with reference to some example embodiment, it will be understood by those skilled in the art that and can carry out various modifications and variations and not depart from the spirit and scope of the present invention that are defined by the claims described embodiment.
The application requires the U.S. Provisional Application No.61/323 submitting in United States Patent (USP) trademark office on April 12nd, 2010, the U.S. non-provisional application No.12/916 that on October 29th, 274 and 2010 submits in United States Patent (USP) trademark office, 339 priority and rights and interests, its full content is incorporated herein by reference.
Claims (12)
1. a battery unit, comprising:
At least two electrode assemblies, the electrode nipple that each electrode assemblie comprises anode, negative electrode, dividing plate between described anode and negative electrode and extends from described anode or described negative electrode;
At least one insulation board, there is at least one opening, at least one in described electrode nipple be through described at least one opening, and described at least one insulation board comprises the accommodation section for each electrode assemblie, and each accommodation section is configured to hold at least a portion of its corresponding electrode assemblie; With
Around battery case and the cover plate assembly of described at least one insulation board and described at least two electrode assemblies, wherein said cover plate assembly comprises the contact conductor for being electrically connected to electrode nipple,
Wherein said accommodation section comprises the outer wall with at least one opening.
2. battery unit according to claim 1, wherein said insulation board comprises surface, wherein each accommodation section comprises and surmounts described surface and at least one outstanding wall.
3. battery unit according to claim 1, wherein said at least one insulation board is the first insulation board and the second insulation board.
4. battery unit according to claim 3, wherein each electrode nipple of each electrode assemblie comprises the first electrode nipple extending from the first end of described electrode assemblie and the second electrode nipple extending from the second end of described electrode assemblie, described at least one opening in described at least one insulation board is the first opening in described the first insulation board and the second opening in described the second insulation board, wherein said the first electrode nipple extends through described the first opening in described the first insulation board, and described the second electrode nipple extends through described the second opening in described the second insulation board.
5. battery unit according to claim 4, wherein described first electrode nipple of each electrode assemblie extends and contacts described battery case through described the first opening in described the first insulation board, and described second electrode nipple of each electrode assemblie passes described the second opening in described the second insulation board and extends and contact described cover plate assembly.
6. battery unit according to claim 5, wherein said cover plate assembly also comprises:
Cover plate,
Wherein said contact conductor is the multiple contact conductors for each electrode assemblie, and wherein described second electrode nipple of each electrode assemblie contacts its corresponding contact conductor.
7. battery unit according to claim 6, wherein said cover plate also comprises packing ring, described gasket arrangements is by described contact conductor and the insulation of described cover plate.
8. battery unit according to claim 5, wherein said cover plate assembly also comprises:
Cover plate; With
Contact conductor connector, wherein described second electrode nipple of each electrode assemblie contacts described contact conductor connector,
Wherein said contact conductor is connected to described contact conductor connector.
9. battery unit according to claim 8, wherein said cover plate assembly also comprises insulating part.
10. battery unit according to claim 1, wherein the described electrode nipple of each electrode assemblie comprises the first electrode nipple and the second electrode nipple that all extend from first end, described insulation board comprises for the first opening of each electrode assemblie and the second opening, wherein said the first electrode nipple extends through described the first opening, and described the second electrode nipple extends through described the second opening.
11. battery units according to claim 1, wherein each accommodation section is configured to peripheral at least a portion of the first end that holds its corresponding electrode assemblie.
12. battery units according to claim 1, wherein each accommodation section is included in the depression in the surface of described insulation board.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32327410P | 2010-04-12 | 2010-04-12 | |
| US61/323,274 | 2010-04-12 | ||
| US12/916,339 | 2010-10-29 | ||
| US12/916,339 US20110250488A1 (en) | 2010-04-12 | 2010-10-29 | Secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102214806A CN102214806A (en) | 2011-10-12 |
| CN102214806B true CN102214806B (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110086060.6A Expired - Fee Related CN102214806B (en) | 2010-04-12 | 2011-04-07 | Battery module |
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| CN (1) | CN102214806B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101265199B1 (en) | 2011-08-08 | 2013-05-23 | 삼성에스디아이 주식회사 | Rechargeable battery |
| WO2014059348A2 (en) * | 2012-10-11 | 2014-04-17 | Lampe-Onnerud Maria Christina | Lithium ion battery |
| DE102014111645A1 (en) * | 2014-08-14 | 2016-02-18 | Jobst H. KERSPE | battery case |
| US10622604B2 (en) * | 2018-03-23 | 2020-04-14 | Sf Motors, Inc. | Integrated battery modules in electric vehicles |
| CN108615845A (en) * | 2018-06-26 | 2018-10-02 | 安徽相源新能源有限公司 | A kind of power lithium battery box being conveniently replaceable |
| CN110931665B (en) * | 2019-10-12 | 2022-08-19 | 松栢投资有限公司 | Battery with a battery cell |
| CN112310547A (en) * | 2020-04-09 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Battery, electric device and production method of battery |
| CN111769219B (en) * | 2020-06-09 | 2022-03-04 | 合肥国轩高科动力能源有限公司 | Lithium battery cover plate and lithium battery |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200280A (en) * | 1991-09-05 | 1993-04-06 | Black & Decker Inc. | Terminal cover for a battery pack |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4961113B2 (en) * | 2005-04-22 | 2012-06-27 | パナソニック株式会社 | Secondary battery |
| KR100709834B1 (en) * | 2005-04-26 | 2007-04-23 | 삼성에스디아이 주식회사 | Secondary battery |
| JP4650700B2 (en) * | 2008-05-08 | 2011-03-16 | トヨタ自動車株式会社 | Battery holding device, battery pack and vehicle |
-
2011
- 2011-04-07 CN CN201110086060.6A patent/CN102214806B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200280A (en) * | 1991-09-05 | 1993-04-06 | Black & Decker Inc. | Terminal cover for a battery pack |
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| CN102214806A (en) | 2011-10-12 |
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