CN103165836A - Battery module unit - Google Patents
Battery module unit Download PDFInfo
- Publication number
- CN103165836A CN103165836A CN2012104778770A CN201210477877A CN103165836A CN 103165836 A CN103165836 A CN 103165836A CN 2012104778770 A CN2012104778770 A CN 2012104778770A CN 201210477877 A CN201210477877 A CN 201210477877A CN 103165836 A CN103165836 A CN 103165836A
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- Prior art keywords
- battery module
- end plate
- battery
- bolt
- pair
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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
Abstract
The invention provides a battery module unit, which is formed by integratedly serially connecting a pair of battery modules together, and can be used to reduce the increasing of the total length caused by the tolerance absorption mechanism used for absorption of the length difference of the battery modules. A first end plate (37) is clamped between the pair of battery modules (16) is formed by a shared member, therefore the rigidity of the battery module unit (31) can be improved, and the anti-vibration performance can be improved. In addition, because the tolerance absorption mechanism is disposed between the two battery modules, the tolerance absorption mechanism is protruded from two ends of the battery module units, and the miniaturization of the battery module units can be realized.
Description
Technical field
The present invention relates to the battery module unit, it is by with a pair of battery module configured in series and they are integratedly consisted of, described battery module is by being clamped between the first end plate and the second end plate a plurality of battery cells are stacked, and utilizes coupling member that described the first end plate and described the second end plate are linked and consist of.
Background technology
By following patent documentation 1 is known following structure arranged: make a pair of end plate and the stacked both ends butt of a plurality of battery cells, and by bolt, described a pair of end plate is anchored on the both ends of check strap (coupling member), thereby consist of a plurality of battery cells are integrated with stacked state and battery module that obtain.
[formerly technical literature]
[patent documentation]
[patent documentation 1] TOHKEMY 2009-48973 communique
Consist of the battery module unit if the end face of the length direction by making two battery modules is opposite each other and integrated, the number of battery module can be reduced to half and operability when improving when carrying and mounting or dismounting, and, if share and be clipped in two end plates between battery module, can cut down the parts number of packages.
Yet, due to battery module by consisting of a plurality of battery cells are stacked, therefore exist each battery cell thickness tolerance stack and produce the problem of deviation on the length of battery module, thereby the tolerance absorbing mechanism of the deviation of the length that absorbs this battery module need to be set.Yet in the end face of the length direction that makes two battery modules situation opposite each other and integrated, if tolerance absorbing mechanism is set respectively at its both ends, the total length of battery module unit becomes larger, thereby may cause operability to reduce.
Summary of the invention
The present invention proposes in view of above-mentioned situation, its purpose is, with a pair of battery module configured in series and in making their integrated battery modules unit, the increase of the total length that will cause because of the tolerance absorbing mechanism that the length difference that absorbs battery module is set suppresses to be Min..
in order to reach above-mentioned purpose, a first aspect of the present invention provides a kind of battery module unit, it is by with a pair of battery module configured in series and they are integratedly consisted of, described battery module is by being clamped between the first end plate and the second end plate a plurality of battery cells are stacked, and utilize coupling member that described the first end plate and described the second end plate are linked and consist of, described battery module unit is characterised in that, one end of described coupling member is fixed in described the second end plate, and the other end links via tolerance absorbing mechanism and described the first end plate, described first end plate of a pair of described battery module is made of a member that shares.
In addition, according to a second aspect of the invention, on the basis of the structure of first aspect, it is characterized in that, described tolerance absorbing mechanism comprises: at one end be fixed in the slotted hole that the other end of the described coupling member on a side described second end plate of described battery module forms; The first bolt that connects this slotted hole and screw togather with described the first end plate.
In addition, according to a third aspect of the invention we, first or the basis of the structure of second aspect on, it is characterized in that a side and the opposing party in the described a pair of battery module that described tolerance absorbing mechanism is separately positioned on integrated.
In addition, according to a forth aspect of the invention, second or the basis of the structure of the third aspect on, it is characterized in that, described the first end plate is made of draw piece or extrusion, screw togather the second bolt and described the first bolt on the boss portion that shares of described the first end plate, described the second bolt carries out fastening to the retaining member that keeps a pair of described battery module.
Need to prove, the second boss portion 37d of execution mode is corresponding with boss portion of the present invention.
[invention effect]
According to a first aspect of the invention, a plurality of battery cells are stacked and be clamped between the first end plate and the second end plate, and utilize coupling member that the first end plate and the second end plate are linked to consist of battery module, with two battery module configured in series and make them integrated, therefore two battery modules can be operated as one, thereby operability improves.In addition, because the first end plate of first, second battery module is made of a member that shares, therefore can improve the rigidity of battery module unit and improve vibration resistance, and the other end that is fixed in the coupling member on the second end plate due to an end links via tolerance absorbing mechanism and the first end plate, therefore even produce difference because the accumulation of the tolerance of the thickness of battery cell causes on the length of stacked direction of each battery module, also can absorb this difference by the position difference that makes the second end plate.And, be arranged on due to the tolerance absorbing mechanism with battery module on the first end plate of central authorities, therefore can prevent tolerance absorbing mechanism in the outstanding situation in two ends of battery module unit, thereby can realize the miniaturization of this battery module unit.
In addition, according to a second aspect of the invention, absorbing mechanism is made of with the first bolt that the first end plate screws togather with connecting this slotted hole the slotted hole on the coupling member that is formed on battery module due to tolerance, therefore by adjusting slotted hole with respect to the position of the first bolt, just can absorb the accumulation of tolerance of the thickness of battery cell.
In addition, according to a third aspect of the invention we, due to a side and the opposing party in a pair of battery module that is separately positioned on tolerance absorbing mechanism integrated, therefore can absorb simultaneously the accumulation of tolerance of thickness of the battery cell of two battery modules.
In addition, according to a forth aspect of the invention, because the first end plate is made of draw piece or extrusion, and screw togather on the boss portion that shares of the first end plate the retaining member that keeps a pair of battery module is carried out the second fastening bolt and coupling member is carried out the first fastening bolt, therefore the number of the boss portion of the first end plate can be suppressed to be Min., thereby can realize lightweight.
Description of drawings
Fig. 1 is the stereogram of battery pack.
Fig. 2 is that 2 directions of Fig. 1 are to view.
Fig. 3 is the exploded perspective view corresponding with Fig. 2.
Fig. 4 is that 4 directions of Fig. 2 are to view.
Fig. 5 is the 5-5 line cutaway view of Fig. 4.
Fig. 6 is the 6-6 line cutaway view of Fig. 5.
Symbol description:
16 battery modules
32 battery cells
37 first end plates
37d the second boss portion (boss portion)
38 second end plates
39 coupling members
The 39a slotted hole
41 tolerance absorbing mechanisms
43A the first bolt
43B the first bolt
45 retaining members
47 second bolts
Embodiment
Below, based on Fig. 1～Fig. 6, embodiments of the present invention are described.
As shown in Figure 1, the battery pack 11 of electric motor vehicle possesses upper surface in metal battery tray 12 in conjunction with plastic battery cover 13 and utilizes bolt 14 ... carry out fastening and battery container 15 that obtain, be equipped with a plurality of battery modules 16 at the upper surface of battery tray 12 ...
The discharge line 19,19 of the pair of right and left of the cooling device 17 that arranges at the rear portion of battery pack 11 possesses the intake line 18 that is disposed at overall width direction central portion, be configured in intake line 18 overall width direction both sides.Upper front surface at intake line 18 offers cooling-air suction inlet 18a towards the place ahead, this cooling-air suction inlet 18a is used for the air of the outside of battery pack 11 is drawn into the inside of intake line 18 as cooling-air.In addition, take in respectively electronic cooling fan 20,20 in discharge line 19,19 inside, be used for cooling- air outlet 19a, 19a that the cooling-air after heat exchange is discharged and form towards the rear in the mode towards each cooling fan 20,20 periphery.
Therefore, when drive cooling fan 20,20 the time, the cooling-air that sucks from the cooling-air suction inlet 18a of intake line 18 is to the internal feed of battery tray 12, during flowing in the cooling channel of the inside of battery tray 12 with battery module 16 ... between carry out heat exchange, afterwards by discharge line 19,19 cooling fan 20,20 and discharge from cooling- air outlet 19a, 19a.
Be provided with the main switch 21 of having taken in hand switch in the front portion of battery pack 11, be provided with the terminal block 22 of having taken in contactor or fuse at the rear portion of battery pack 11.From battery module 16 ... the high voltage cable 23 that extends is connected with high-tension connector 24 in left front setting of battery pack 11 via main switch 21 and terminal block 22.In addition, the type low-voltage cable 26 that is used for the transfer control signal extends from the low voltage connector 25 that the right front portion in battery pack 11 arranges, this type low-voltage cable 26 and terminal block 22 or battery module 16 ... the connections such as thermistor.
The battery module 16 of mounting on battery tray 12 ... every two integrated and consist of battery module unit 31 in parallel ...Yet, via the supporting leg 27 of pair of right and left, 27 and in being erected at the battery module unit 31 of upper surface mounting of tabular supporting member 28 at rear portion of battery tray 12, two battery modules 16,16 in series integrated in the end face of length direction mode opposite each other.
The supporting member 28 that is made of draw piece is formed with a plurality of path of cool air 28a that extend abreast in inside ... (with reference to Fig. 2 and Fig. 5), these path of cool air 28a ... be communicated with the path of cool air that inside in battery tray 12 forms via path of cool air 27a, the 27a (with reference to Fig. 2) that form in the supporting leg 27 of left and right, 27 inside.
Then, based on Fig. 2～Fig. 6, structure and the supporting structure thereof of battery module unit 31 described.
The battery module unit 31 of present embodiment is positioned on the upper surface of supporting member 28, by two battery modules 16,16 are consisted of so that their end face of length direction mode opposite each other is integrated.Battery module 16 is by for example 12 battery cells 32 ... be laminated, the horizontal cross-section is arranged is 11 the first supports 33 of H word shape in clamping between these battery cells 32 ..., and be two second supports 34,34 of コ shape in two battery cells 32 at two ends, 32 butt horizontal cross-section, the outside.And, with clad battery monomer 32 ..., the first support 33 ... and the cover 35 of the second support 34,34 upper surface is fixed on two the second supports 34,34 by bolt 36,36.
Two battery modules 16 that configure in the end face of length direction mode opposite each other, 16 are by being clamped in the first end plate 37 between them, being fixed in each second end plate 38 and two coupling members 39 that extend towards the first end plate 37,39 and integrated at a pair of the second end plate 38,38, one end of two battery modules 16,16 length direction both ends configuration, thereby consist of battery module unit 31.From two the second end plates 38,38 four coupling members 39 that amount to towards the first end plate 37 extensions that share ... via tolerance 41 (with reference to Fig. 2 and the Fig. 4) of absorbing mechanism that share and the first end plate 37 combinations.
The first end plate 37 is made of the aluminum draw piece in the rectangular shape cross section with long limit 37a, 37a and minor face 37b, 37b, and section possesses within it: rounded two the first boss portion 37c, 37c; Being combination has two the second boss portion 37d, 37d of the shape of triangle and circle; Each the two root 37e, the 37e (with reference to Fig. 6) that extend towards long limit 37a, 37a from each boss portion 37c, 37c, 37d, 37d.
Each second end plate 38 is tabular member, is provided with a pair of installation bracket 38a, 38a in its lower end, is provided with in the top two push projection 38b, 38b.The second end plate 38 of one side is fixed in the fixed part 27b that arranges on the top of a side supporting leg 27 by two bolts 42,42 that connect installation bracket 38a, 38a.Equally, the second end plate 38 of the opposing party is fixed in the fixed part 27b that arranges on the top of the opposing party's supporting leg 27 by two bolts 42,42 that connect installation bracket 38a, 38a.
At one end be fixed in the coupling member 39 of two band shapes on the second end plate 38 of a side, 39 the other end is formed with respectively slotted hole 39a, 39a, two the first bolt 43A, 43A that connect this slotted hole 39a, 39a screw togather with two the second boss portion 37d, 37d of the first end plate 37 respectively.Equally, at one end be fixed in the coupling member 39 of two band shapes on the second end plate 38 of the opposing party, 39 the other end is formed with respectively slotted hole 39a, 39a, two the first bolt 43B, 43B that connect this slotted hole 39a, 39a screw togather with two the second boss portion 37d, 37d of the first end plate 37 respectively.Two coupling members 39 that two coupling members 39 that extend from the second end plate 38 of a side, 39 height and the second end plate 38 from the opposing party extend, 39 height are different, in case interference each other.
Amount to four slotted hole 39a ... and amount to four the first bolt 43A, 43A, 43B, 43B and consist of described tolerance absorbing mechanism 41.
The fixed component 44,44 of upper surface by being welded with two bulks at supporting member 28.The first end plate 37 and fixed component 44,44 upper surface overlap and retaining member 45 and state that the upper surface of the first end plate 37 overlaps under, two bolts 46 of perforation retaining member 45, two the first boss portion 37c, 37c of the 46 and first end plate 37 screw togather, and two the second bolts 47,47 that connect two the second boss portion 37d, 37d of retaining member 45 and the first end plate 37 screw togather with two fixed components 44,44 respectively.
Retaining member 45 possesses four push projection 45a with the upper surface butt of a side battery module 16 ..., with four push projection 45a of the upper surface butt of the opposing party's battery module 16 ... then, the effect of the embodiments of the present invention that possess said structure described.
When the end face with a side of length direction clip each other the first end plate 37 and opposed mode with two battery modules 16,16 configured in series, and when making the second end plate 38,38 respectively with the opposing party's of above-mentioned two battery modules 16,16 length direction end face butt, two coupling members 39,39 that an end is fixed in each second end plate 38 extend along the length direction side of battery module 16 and arrive the position of the first end plate 37.
From this state, two the first bolt 43A, 43A connecting two coupling members 39,39 slotted hole 39a, the 39a of a side battery module 16 are screwed togather with two the second boss portion 37d, 37d of the first end plate 37 respectively, and two the first bolt 43B, the 43B that will connect two coupling members 39,39 slotted hole 39a, the 39a of the opposing party's battery module 16 screw togather with two the second boss portion 37d, 37d of the first end plate 37 respectively.At this moment, due to two battery modules 16, each two coupling members 39 of 16,39 height difference, therefore can prevent the situation that they interfere on the first end plate 37.
Like this two battery modules 16,16 are clipped in the first end plate 37 integrated battery module unit that forms 31, the first end plate 37 is made of the draw piece with thickness, and do not produce by tolerance absorbing mechanism 41 fastening each battery cell 32 in ground that relaxes ..., can improve thus the rigidity of battery module unit 31.
Then, two bolts 46 of perforation retaining member 45, two the first boss portion 37c, 37c of the 46 and first end plate 37 are screwed togather, and two second bolts 47,47 that will connect two the second boss portion 37d, 37d of retaining member 45 and the first end plate 37 are fastened on two fixed components 44,44 of the upper surface welding of supporting member 28, thus the first end plate 37 are fixed on supporting member 28.At this moment, 8 of retaining member 45 push projection 45a ... engage on each four ground respectively with a pair of battery module 16,16 upper surface, thus battery module 16,16 is securely fixed in the upper surface of supporting member 28.
In addition, two bolts 42,42 that perforation are arranged on two installation bracket 38a, 38a on the second end plate 38 of each battery module 16 were fastened to the fixed part 27b of supporting leg 27 of supporting member 28 when upper, two push projection 38b, 38b by the second end plate 38 and coupling member 39,39 two push projection 39b, 39b press down the upper surface of battery module 16, thus battery module 16 are fixed on supporting member 28 more firmly.
As mentioned above, according to present embodiment, by two battery modules 16,16 are integratedly consisted of battery module unit 31, therefore two battery modules 16,16 can be operated as one, thereby improve operability.
In addition, because two battery modules 16, the first end plate 37 of 16 are made of a member that shares, therefore can improve the rigidity of battery module unit 31, thereby raising vibration resistance, and owing to an end being fixed in two the second end plates 38,38 coupling member 39 ... the other end link via tolerance absorbing mechanism 41 and the first end plate 37, even therefore because of battery cell 32 ... thickness tolerance accumulation and make the length of each battery module 16,16 stacked direction produce difference, also can absorb this difference by making two the second end plates 38,38 position difference.
In addition, due to tolerance absorbing mechanism 41 is configured between two battery modules 16,16, therefore can prevent tolerance absorbing mechanism 41 in the battery module unit 31 two ends outstanding, thereby can realize the miniaturization of this battery module unit 31.
in addition, due to tolerance absorbing mechanism 41 by at one end being fixed in the second end plate 38, coupling member 39 on 38 ... the slotted hole 39a that forms of the other end connect above-mentioned slotted hole 39a ... and the first bolt 43A that screws togather with the first end plate 37, 43A, 43B, 43B consists of, therefore by adjusting slotted hole 39a ... with respect to the first bolt 43A, 43A, 43B, the position of 43B, not only can absorb battery cell 32 ... the accumulation of tolerance of thickness, and with two coupling members 39, 39 compare in the situation of the first end plate 37 by the bolted that shares, can realize the miniaturization of bolt and bearing-surface thereof.
In addition, due to fixedly connected member 39 ... the first bolt 43A, 43A, 43B, 43B and fastening retaining member 45 the second bolt 47,47 and the second boss 37d, the 37d that share that are arranged on the first end plate 37 that is consisted of by draw piece screw togather, therefore the number of the boss portion of the first end plate 37 can be suppressed to be Min., thereby can realize lightweight.
in addition, be formed with the path of cool air 28a that supplies cooling Air Flow due to the inside at supporting member 28 therefore will be for fixing the second bolt 47 of retaining member 45 and the first end plate 37, 47 with supporting member 28 when directly screwing togather, this second bolt 47, 47 may be to path of cool air 28a ... in outstanding and hinder flowing of cooling-air, but according to present embodiment, due to the second bolt 47, 47 be welded on fixed component 44 on supporting member 28, 44 screw togather, therefore can realize the circulation smoothly of cooling-air, thereby can guarantee battery module 16, 16 cooling effect.
In addition, due to utilize to be used for the member of a pair of battery module 16,16 combinations integratedly namely the first end plate 37 battery module unit 31 is fixed in supporting member 28, therefore do not need for battery module unit 31 being fixed in the special member of supporting member 28, thereby not only can cut down the parts number of packages, can also utilize first end plate 37 to fix two battery modules 16,16, thereby can further cut down the parts number of packages.
In addition, due to the first end plate 37 is anchored on two fixed components 44,44, therefore the first end plate 37 can be securely fixed on supporting member 28, thereby battery module 16,16 is kept with stable attitude.And therefore, because fixed component 44,44 is configured between supporting member 28 and the first fixed component 37, can avoid because the maximization of battery module 16 that fixed component 44,44 causes, 16 fixed part is set.
Above, embodiments of the present invention are illustrated, but the present invention can carry out various design alterations in the scope that does not break away from its purport.
For example, in execution mode, supporting member 28 and the first end plate 37 are made of draw piece, but also can be made of extrusion.
In addition, consist of the battery cell 32 of a battery module 16 ... number be not defined as 12.
Claims (4)
1. battery module unit, it is by with a pair of battery module (16) configured in series and they are integratedly consisted of, described battery module (16) is by being clamped between the first end plate (37) and the second end plate (38) a plurality of battery cells (32) are stacked, and utilize coupling member (39) that described the first end plate (37) and described the second end plate (38) are linked and consist of, described battery module unit is characterised in that
One end of described coupling member (39) is fixed in described the second end plate (38), and the other end links with described the first end plate (37) via tolerance absorbing mechanism (41), and described first end plate (37) of a pair of described battery module (16) is made of a member that shares.
2. battery module according to claim 1 unit, is characterized in that,
Described tolerance absorbing mechanism (41) comprising: at one end be fixed in the slotted hole (39a) that the other end of the described coupling member (39) on a side described second end plate (38) of described battery module (16) forms; The first bolt (43A, 43B) that connects this slotted hole (39a) and screw togather with described the first end plate (37).
3. battery module according to claim 1 and 2 unit, is characterized in that,
A side and the opposing party in a pair of described battery module (16) that described tolerance absorbing mechanism (41) is separately positioned on integrated.
4. according to claim 2 or 3 described battery module unit, is characterized in that,
Described the first end plate (37) is made of draw piece or extrusion, screw togather the second bolt (47) and described the first bolt (43A, 43B) on the boss portion (37d) that shares of described the first end plate (37), described the second bolt (47) carries out fastening to the retaining member (45) that keeps a pair of described battery module (16).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011269842A JP2013122820A (en) | 2011-12-09 | 2011-12-09 | Battery module unit |
| JP2011-269842 | 2011-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103165836A true CN103165836A (en) | 2013-06-19 |
| CN103165836B CN103165836B (en) | 2015-10-21 |
Family
ID=48588742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210477877.0A Active CN103165836B (en) | 2011-12-09 | 2012-11-22 | Battery module unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013122820A (en) |
| CN (1) | CN103165836B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617324A (en) * | 2015-01-09 | 2015-05-13 | 马志啟 | Fuel battery pack with testing function |
| CN108431989A (en) * | 2015-12-16 | 2018-08-21 | 宝马股份公司 | For accommodating fuel cell heap, battery pile or the shell of capacitor bank |
| CN108550736A (en) * | 2018-05-15 | 2018-09-18 | 华霆（合肥）动力技术有限公司 | Air-cooled hybrid-power battery system and electric vehicle |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6097607B2 (en) | 2013-03-19 | 2017-03-15 | 株式会社Ｇｓユアサ | Power storage device and power storage device unit |
| CN105324866B (en) | 2013-07-26 | 2017-12-19 | 新日铁住金株式会社 | Battery pack stacker and battery pack |
| JP6177700B2 (en) * | 2014-01-30 | 2017-08-09 | 本田技研工業株式会社 | Battery module support structure |
| JP6449108B2 (en) | 2015-06-04 | 2019-01-09 | 本田技研工業株式会社 | Power storage device |
| JP6449107B2 (en) | 2015-06-04 | 2019-01-09 | 本田技研工業株式会社 | Power storage device |
| CN109301374B (en) * | 2018-11-15 | 2024-05-07 | 上海君屹工业自动化股份有限公司 | Disassembling mechanism for power battery module |
| JP7265461B2 (en) | 2019-09-26 | 2023-04-26 | 住友電装株式会社 | Power supply device and branch connector device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713435A (en) * | 2004-06-25 | 2005-12-28 | 三星Sdi株式会社 | Rechargeable battery module |
| JP2009238606A (en) * | 2008-03-27 | 2009-10-15 | Denso Corp | Restriction means of cell stack, battery apparatus module, and battery pack |
-
2011
- 2011-12-09 JP JP2011269842A patent/JP2013122820A/en active Pending
-
2012
- 2012-11-22 CN CN201210477877.0A patent/CN103165836B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713435A (en) * | 2004-06-25 | 2005-12-28 | 三星Sdi株式会社 | Rechargeable battery module |
| JP2009238606A (en) * | 2008-03-27 | 2009-10-15 | Denso Corp | Restriction means of cell stack, battery apparatus module, and battery pack |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617324A (en) * | 2015-01-09 | 2015-05-13 | 马志啟 | Fuel battery pack with testing function |
| CN104617324B (en) * | 2015-01-09 | 2017-02-22 | 苏州象雄测控技术有限公司 | Fuel battery pack with testing function |
| CN108431989A (en) * | 2015-12-16 | 2018-08-21 | 宝马股份公司 | For accommodating fuel cell heap, battery pile or the shell of capacitor bank |
| CN108431989B (en) * | 2015-12-16 | 2021-08-03 | 宝马股份公司 | Housing for accommodating a fuel cell stack, a cell stack or a capacitor stack |
| CN108550736A (en) * | 2018-05-15 | 2018-09-18 | 华霆（合肥）动力技术有限公司 | Air-cooled hybrid-power battery system and electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103165836B (en) | 2015-10-21 |
| JP2013122820A (en) | 2013-06-20 |
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