CN203721846U - Power cell module - Google Patents
Power cell module Download PDFInfo
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- CN203721846U CN203721846U CN201320833563.XU CN201320833563U CN203721846U CN 203721846 U CN203721846 U CN 203721846U CN 201320833563 U CN201320833563 U CN 201320833563U CN 203721846 U CN203721846 U CN 203721846U
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- Prior art keywords
- power battery
- battery module
- heat absorption
- phase
- cell
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- 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
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 46
- 239000012782 phase change material Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 18
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004640 Melamine resin Substances 0.000 claims description 5
- 229920000877 Melamine resin Polymers 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- -1 aliphatic alcohols Chemical class 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 229920005749 polyurethane resin Polymers 0.000 claims 1
- 239000000178 monomer Substances 0.000 abstract description 25
- 238000004146 energy storage Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 19
- 239000012071 phase Substances 0.000 description 19
- 230000009466 transformation Effects 0.000 description 16
- 238000004026 adhesive bonding Methods 0.000 description 10
- 239000011247 coating layer Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000000844 transformation Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a power cell module, which is mainly composed of monomer power cells, electric connecting pieces and a shell cover and a shell of the cell module, wherein the monomer power cells are stacked and arranged in the shell; the electrodes at two ends of each cell are respectively connected with the electric connecting pieces which are insulated and fixed on the shell; one ends of the electric connecting pieces extend out of the shell; the shell and the shell cover are fixedly matched to form the module; heat absorption gaskets are arranged among the monomer power cells; the heat absorption gaskets and the monomer power cells are stacked and arranged at intervals. According to the power cell module, the temperature of the module can be controlled within a temperature range suitable for operation and the temperature uniformity is improved; the power cell module can be widely applied to the battery systems of hybrid power automobiles and purely electric automobiles, and can also be applied to energy storage systems as an energy storage unit.
Description
Technical field
The utility model relate to a kind of can samming, the battery module of temperature control, belong to the key member for hybrid vehicle, pure electric automobile battery system.
Background technology
Power battery module is assembled by some single power batteries, and single power battery requires very harsh to working temperature, if working temperature is too high, can accelerate the rate of decay, and the life-span sharply reduces, and even can cause security incident; If working temperature is too low, the power of battery, capacity can obviously reduce, and as power-limiting not, may cause irreversible decay, and bury potential safety hazard.In addition, the temperature non between single power battery can cause performance difference, accelerates the deteriorated of battery module.Electrokinetic cell is in electric motor car driving process, variation of ambient temperature scope can reach-20～50 ℃, and the inner single power battery of battery module thermal environment is around often very inhomogeneous, and the performance of electrokinetic cell, life-span, fail safe cause very adverse influence.
At present, the commonplace manufacture method of Vehicular dynamic battery is first electrokinetic cell set of monomers to be dressed up to module, then reaches electric motor car voltage and capacity requirement by the series and parallel between module.In order to solve the heat dissipation problem of electrokinetic cell, generally adopt in two ways: a kind of is between battery module, to design heat dissipation wind channel, by portion's air in or beyond fan or blower fan introducing car, battery is dispelled the heat; Another kind is that heating panel is installed between battery module, has fluid passage in heating panel, by passing into cooling liquid, battery is dispelled the heat.These two kinds of modes are all from module-external, the battery in module to be dispelled the heat, on the one hand complicated structure, reliability are poor, be positioned on the other hand the cell of module centers and the cell of module edge because radiating condition is different, temperature produces very large difference.
It is the focus of studying both at home and abroad at present that phase-change material is applied in electrokinetic cell heat radiation.Phase-change material can, by undergoing phase transition absorption amount of heat when battery temperature raises, stop battery temperature to raise; When battery temperature reduces, there is reversible comparing and emit heat, stop battery temperature to reduce.At present, adopt of the application of phase-change material in electrokinetic cell is poured in the mode (201120571466.9) in battery module space around by phase-change material more.Although such mode can reach heat radiation, control the effect of temperature, while there is phase change materials liquefy, there is potential safety hazard in the danger of seepage.
Summary of the invention
The purpose of this utility model is a kind of power battery module of design, not only makes battery module keep heat radiation temperature control effect preferably, and improves the safety and reliability of battery.
A kind of power battery module that the utility model is designed, mainly cap, the housing by single power battery, electrical connector, battery module forms, between single power battery, place heat absorption pad, heat absorption pad and battery cell space stacked arrangement, be arranged in housing, the two end electrodes of battery is connected with electrical connector respectively, and electrical connector insulation is fixed on housing, and stretch out outside housing one end, housing and cap secure fit form module.
Described heat absorption pad consists of outside heat conduction sealed packet coating and inner phase-change material of filling, and phase-change material is the phase-change material that solid-liquid transforms, and the size of heat absorption pad is not more than the size of cell.Heat absorption pad, except comprising coated monomer particle and glueing material, also adds Heat Conduction Material powder, is used for improving the thermal conductivity of heat absorption pad, and Heat Conduction Material powder can be aluminium powder, copper powder, graphite powder etc.
Above-mentioned phase-change material can be also that the coated monomer particle of phase transformation is polymerized, and the coated monomer particle of phase transformation consists of outer polymer coating layer and phase-change material core.Phase-change material core is arranged in polymer covering layer, when phase-change material core is liquid phase by solid phase transformation, can not leak out outside polymer covering layer, and phase-change material remains pulverulent solids form.Phase-change material core can be paraffin class, linear paraffin class or aliphatic alcohols material.
Described heat absorption pad also can be mixed and be pressed into sheet with glueing material by the coated monomer particle of phase transformation, is directly used in module.
For preventing that the direct contact modules housing of electrical connector from making battery short circuit, electrical connector appearance is coated with insulation material layer.
Above-mentioned cell is square or rectangular cell, can be the soft-package battery of aluminum plastic film packing, can be also the duricrust battery of metal shell.
Above-mentioned cell can be in surface-coated thermal grease conduction, to strengthen the heat-transfer effect of cell and heat absorption pad.
The designed power battery module of the utility model has the following advantages:
1. power battery modular structure design feature is outstanding, the heat absorption pad wherein arranging absorbs heat in the time of can undergoing phase transition by phase-change material when battery temperature raises, stop battery temperature to continue to raise, when declining, battery temperature emits heat by reversible transition, stop battery temperature to continue to decline, thereby effectively battery temperature is controlled in the suitable operating temperature range of battery;
2. because every cell all contacts with heat absorption pad, heat transfer condition is identical, and the temperature homogeneity between cell can be largely increased, and has improved battery result of use, extends the useful life of battery;
3. when the phase-change material of heat absorption in pad adopts the phase-change material that coated monomer particle is polymerized, phase-change material core is encapsulated in polymer covering layer, phase-change material generation solid-liquid phase change transforms and all in the coating layer of polymer, carries out, phase-change material profile remains solid-state, there will not be the danger of fluid seepage, in addition the absorb heat heat conduction sealed packet coating of pad, more improves fail safe;
4. the soft heat absorption pad in interval between cell, can prevent the mutual friction of cell phase, plays the effect of protection cell.
The designed power battery module of the utility model can be widely used in hybrid vehicle and pure electric automobile battery system, also can be used as energy-storage module and is applied in energy-storage system, and the external heat-exchanging measure in conjunction with suitable, reaches good temperature control effect.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the designed power battery module of the utility model.
Number in the figure: 1. cap, 2. cell, 3. heat absorption pad, 4. electrical connector, 5. housing.
Fig. 2 is the outline drawing of the designed power battery module of the utility model.
Fig. 3 is the schematic cross-section of pad of absorbing heat in the utility model example 1.
Number in the figure: 31. heat conduction sealed packet coating, 32. phase-change materials.
Fig. 4 is the sectional view of the coated monomer particle of phase transformation in the utility model example 2.
Number in the figure: 33. phase transformations are coated monomer particle, 311. melamine resin coating layers, 312. phase-change material cores.
Fig. 5 is the schematic cross-section of pad of absorbing heat in the utility model example 3.
Number in the figure: 33. phase transformations are coated monomer particle, 34. silica gel glueing materials, 311. melamine resin coating layers, 312. phase-change material cores.
Embodiment
Below in conjunction with accompanying drawing, by specific embodiment, the designed power battery module of the utility model is described further.
Embodiment 1
Power battery module as shown in Figure 1, is mainly comprised of module cap 1, cell 2, heat absorption pad 3, electrical connector 4, module housing 5.Cell 2, together with heat absorption pad 3 space stacked arrangement, has a cell 2 between two heat absorption pads 3.The cell arranging 2 is placed in module housing 5 together with heat absorption pad 3.One end of two electrical connectors 4 is connected with the two poles of the earth of cell 2 respectively, and the other end reaches outside module housing 5, and electrical connector 4 is fixing with housing 5, and electrical connector 4 appearances are coated with insulation material layer.The cap of module 1 is covered on housing 5, and be fixed, formed power battery module as shown in Figure 2.
Wherein, cell 2 is the rectangular lithium ion battery of aluminium alloy duricrust, and heat absorption pad 3 as shown in Figure 3, consists of outside heat conduction sealed packet coating 31 and inner phase-change material 32 of filling, and heat conduction sealed packet coating 31 is aluminum plastic film, and phase-change material 32 is paraffin.The thickness of heat absorption pad 3 is 4.0mm, and shape is identical with cell 2 bottom surfaces with size.
When the residing ambient temperature of power battery module rises, the temperature of heat absorption pad 3 also raises gradually, when reaching the phase transition temperature of phase-change material, can there is solid-liquid phase change and transform in the phase-change material 32 in heat absorption pad, and then absorption amount of heat, the temperature of the pad 3 that makes to absorb heat keeps constant within a period of time.Because cell 2 and heat absorption pad 3 fit tightly, can carry out good heat exchange.Therefore, the temperature that cell 2 can be close with 3 maintenances of heat absorption pad, can not be subject to because of variation of ambient temperature very large impact.In like manner, when ambient temperature declines, there is reverse liquid-solid phase transformation and transform in the phase-change material 32 in heat absorption pad 3, emits heat, stops the temperature of cell to decline.
Cell 2 at work, carries out heavy-current discharge because of job requirement sometimes.Now, the heat-dissipating speed of cell 2 significantly raises, and the heat of generation also can sharply increase.Heat absorption pad 3 can lead to that heat transfer absorbs the heat that cell 2 produces and temperature raises, when reaching the phase transition temperature of phase-change material, there is solid-liquid phase change, thereby absorb more cell 2 liberated heats, prevent the too fast danger that causes of rising of cell 2 temperature, the fail safe that improves power battery module.In addition, due to the existence of heat absorption pad 3, the temperature between can balanced cell 2, improves battery applications effect and useful life.
Embodiment 2
A kind of power battery module, its structure and embodiment 1 structural similarity, difference is that single power battery 2 is soft-package batteries of aluminum plastic film packing, and interior the filled phase-change material 32 of heat absorption pad 3 heat conduction sealed packet coating 31 is to be polymerized by the coated monomer particle 33 of many phase transformations.The coated monomer particle 33 of phase transformation as shown in Figure 4, consists of outer polymer coating layer 311 and phase-change material core 312, and polymer covering layer 311 materials are melamine resin, and phase-change material core 312 materials are hexadecanol.The thickness of formed heat absorption pad 3 is 6.0mm, and gasket shape is identical with cell 2, and undersized is in single power battery 2 bottom surfaces.Outer surface at single power battery 2 is coated with heat-conducting silicone grease, the heat-transfer effect of reinforcing monomer electrokinetic cell 2 and heat absorption pad 3.
It is identical with embodiment 1 that this power battery module not only has advantages of, and the coated monomer particle of the phase transformation of heat absorption in pad 3 remains solid forms, uses more safe and reliablely, effectively avoids the leakage of phase-change material.
Embodiment 3
A kind of power battery module, its structure and embodiment 1 structural similarity, difference is that heat absorption pad 3 is directly made sheet by coated monomer particle 33 with glueing material 34 homogenious charge compressions, as shown in Figure 5, the hexadecanol phase-change material core 312 that the coated monomer particle 33 of phase transformation is transformed by outside melamine resin polymer covering layer 311 and solid-liquid forms, and glueing material is silica gel.
It is identical with embodiment 1 that this power battery module has advantages of, and security reliability reinforcement, and heat absorption pad 3 manufacture crafts are simple, be easy to make be shaped, and quality is soft, and soft-package battery is had to certain protective effect.
Embodiment 4
A kind of power battery module, its structure and embodiment 3 structural similarities, heat absorption pad 3 is equally also evenly to mix moulding slabbing by the coated monomer particle 33 of phase transformation with glueing material 34, difference is that the outer polymer coating layer 311 of the coated monomer particle 33 of formation heat absorption pad 3 is polyurethane, and phase-change material core 312 is n-octadecane.
It is identical with embodiment 1 that this power battery module has advantages of, and be coating layer material because coated monomer particle 33 is used polyurethane, and heat absorption pad has better resistance to wear, simultaneously nontoxic, pollution-free.
Embodiment 5
A power battery module, its structure and embodiment 3 structural similarities, difference is that the outer polymer coating layer 311 of the coated monomer particle 33 of phase transformation of formation heat absorption pad 3 is epoxy resin, and glueing material 34 is used epoxy resin binders.
It is identical with embodiment 3 that this power battery module has advantages of; and because polymer covering layer 311 and the glueing material 34 of the coated monomer particle of phase transformation all used epoxy resin; can reduce the consumption of glueing material; phase-change material content in pad is improved; thereby the pad 3 that makes to absorb heat has better heat absorption capacity, to battery, provides better protection.
Embodiment 6
A power battery module, its structure and embodiment 3 structural similarities, difference is to absorb heat pad 3 except comprising the coated monomer particle of phase transformation, glueing material, has also added a small amount of Heat Conduction Material aluminium powder.
It is identical with embodiment 3 that this power battery module has advantages of, and heat absorption pad has better heat transfer property, can absorb fast battery institute liberated heat, ensures the fail safe of battery when heavy-current discharge.
Above embodiment is only the detailed description to individual program in the utility model specific implementation process, and does not mean that the restriction to the utility model protection range.
Claims (8)
1. a power battery module, cap, housing by single power battery, electrical connector, battery module form, single power battery is stacked to be arranged in housing, the two end electrodes of battery is connected with electrical connector respectively, electrical connector insulation is fixed on housing, and one end stretches out outside housing, housing and cap secure fit formation module, it is characterized in that: between single power battery, place heat absorption pad, heat absorption pad and battery cell space stacked arrangement.
2. power battery module according to claim 1, is further characterized in that: the heat conduction sealed packet coating that heat absorption pad is filled with the phase-change material of solid-liquid conversion by inside forms.
3. power battery module according to claim 2, is further characterized in that: the size of heat absorption pad is not more than the size of cell.
4. power battery module according to claim 2, is further characterized in that: the phase-change material core that solid-liquid transforms is paraffin class, linear paraffin class or aliphatic alcohols material.
5. power battery module according to claim 3, is further characterized in that: polymer covering layer is melamine resin, polyurethane or epoxy resin.
6. power battery module according to claim 1, is further characterized in that: electrical connector appearance is coated with insulation material layer.
7. power battery module according to claim 1, is further characterized in that: cell is square or rectangular cell, is the soft-package battery of aluminum plastic film packing, or the duricrust battery of metal shell.
8. power battery module according to claim 1, is further characterized in that: in single power battery surface-coated thermal grease conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833563.XU CN203721846U (en) | 2013-12-17 | 2013-12-17 | Power cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833563.XU CN203721846U (en) | 2013-12-17 | 2013-12-17 | Power cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721846U true CN203721846U (en) | 2014-07-16 |
Family
ID=51160977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833563.XU Expired - Lifetime CN203721846U (en) | 2013-12-17 | 2013-12-17 | Power cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721846U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617350A (en) * | 2015-01-04 | 2015-05-13 | 华中科技大学 | Power battery cooling system based on core-cladding-structure composite phase-change heat storage layer |
| CN104716402A (en) * | 2013-12-17 | 2015-06-17 | 北京有色金属研究总院 | Power battery module |
| CN105895985A (en) * | 2015-07-30 | 2016-08-24 | 武汉环材科技有限公司 | Heat absorption device during package of flexible membrane and fabrication method of heat absorption device |
| CN107195829A (en) * | 2017-07-05 | 2017-09-22 | 江西优特汽车技术有限公司 | The electrokinetic cell of new-energy automobile |
| CN107871916A (en) * | 2016-09-26 | 2018-04-03 | 南通新宙邦电子材料有限公司 | A kind of temperature control device and lithium ion battery for lithium ion battery |
| CN108139176A (en) * | 2015-08-20 | 2018-06-08 | 哈金森公司 | For storage device or the modular assembly of battery |
-
2013
- 2013-12-17 CN CN201320833563.XU patent/CN203721846U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716402A (en) * | 2013-12-17 | 2015-06-17 | 北京有色金属研究总院 | Power battery module |
| CN104716402B (en) * | 2013-12-17 | 2018-04-27 | 北京有色金属研究总院 | A kind of power battery module |
| CN104617350A (en) * | 2015-01-04 | 2015-05-13 | 华中科技大学 | Power battery cooling system based on core-cladding-structure composite phase-change heat storage layer |
| CN105895985A (en) * | 2015-07-30 | 2016-08-24 | 武汉环材科技有限公司 | Heat absorption device during package of flexible membrane and fabrication method of heat absorption device |
| CN108139176A (en) * | 2015-08-20 | 2018-06-08 | 哈金森公司 | For storage device or the modular assembly of battery |
| CN107871916A (en) * | 2016-09-26 | 2018-04-03 | 南通新宙邦电子材料有限公司 | A kind of temperature control device and lithium ion battery for lithium ion battery |
| CN107195829A (en) * | 2017-07-05 | 2017-09-22 | 江西优特汽车技术有限公司 | The electrokinetic cell of new-energy automobile |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee after: China Youyan Technology Group Co.,Ltd. Address before: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee before: Youyan Technology Group Co.,Ltd. Address after: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee after: Youyan Technology Group Co.,Ltd. Address before: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee before: GENERAL Research Institute FOR NONFERROUS METALS |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
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| CX01 | Expiry of patent term |