CN202712276U - Iron phosphate lithium battery pack shell - Google Patents
Iron phosphate lithium battery pack shell Download PDFInfo
- Publication number
- CN202712276U CN202712276U CN2012203023923U CN201220302392U CN202712276U CN 202712276 U CN202712276 U CN 202712276U CN 2012203023923 U CN2012203023923 U CN 2012203023923U CN 201220302392 U CN201220302392 U CN 201220302392U CN 202712276 U CN202712276 U CN 202712276U
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- CN
- China
- Prior art keywords
- phosphate lithium
- lithium cell
- ferric phosphate
- flexible heater
- heater film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
An iron phosphate lithium battery pack shell comprises a shell body formed by an upper cover and a lower shell body which are fixedly connected, wherein the inner surface of the upper cover and the inner surface of the lower shell body are both provided with a flexible heating membrane in adhesive mode, the flexible heating membranes are connected with a temperature control switch and are connected with a power supply, and the lower shell body is provided with a charging port and a discharging port. The iron phosphate lithium battery pack shell has the advantages that the discharging environmental temperature of an iron phosphate lithium battery can be improved to 0 DEG C, the iron phosphate lithium battery placed inside the iron phosphate lithium battery pack shell can be easily charged on the condition of the low external temperature, and low-temperature charging performance of iron phosphate lithium is greatly improved; the thickness of each heating membrane is small, and occupied space is small; cost of the iron phosphate lithium battery pack shell is low; and the iron phosphate lithium battery pack shell can be used for electric vehicles needing outdoor charging and energy storage stations.
Description
Technical field
The utility model relates to a kind of ferric phosphate lithium cell assembly housing.
Background technology
Ferric phosphate lithium cell has the characteristics such as environmental protection, long-life and high safety, becomes power and the energy-storage battery of a new generation, is widely used in big-and-middle-sized motor vehicle and energy storage field.
Motor vehicle or energy-storage battery major part all are to need outdoor charging, and need the above large current charge of 1C.The poor performance at low temperatures of ferric phosphate lithium cell commonly used under-20 ℃ of cryogenic conditions, can be discharged by 0.5C at present, and the electric weight of emitting is the 70-80% of normal temperature; But charging is but very difficult under the so low temperature, the charging current of the interior 0.1C of industry can be returned and fill 50%～70% capacity at present, and such electric current charges to battery, needed to be full of battery nearly in 11 hours, can't satisfy the demand of motor vehicle and energy-storage battery, limit to a great extent promoting the use of of ferric phosphate lithium cell, the conventional method that solves the difficult problem of low temperature charging is the employing low-temperature electrolyte, improves core strueture, regulates battery core technical recipe etc., but the degree of improving is limited, can't increase substantially the low temperature charging performance of battery.Studies show that, discharge and charging are all than being easier under 0 ℃ the condition, and it is the 80%-90% of normal temperature that the electric current of 1C is transferred the electric weight that electric energy enough emits, and the 1C charging can be returned the electric weight that fills about 80%.If battery need to use under-20 ℃ the ambient temperature conditions, and has a kind of way can allow the interior temperature of battery pack case be increased to 0 ℃, the ferric phosphate lithium cell group just can normal large current charge so.
Summary of the invention
The purpose of this utility model has been to provide a kind of at low temperatures ferric phosphate lithium cell shell of large current charge of lithium iron phosphate dynamic battery that can allow.
For reaching the goal of the invention the technical solution adopted in the utility model be:
A kind of ferric phosphate lithium cell assembly housing, comprise the housing that is formed by the loam cake that is fixedly connected with and lower house, it is characterized in that: the inner surface of described loam cake and lower house all posts flexible heater film, described flexible heater film is connected with temp control switch, and be connected with power supply, be provided with charging inlet and discharge interface on the described lower house.
Further, described flexible heater film can be silica gel heating band, PET heating film, glass heating tape or polyimides heating plate.
Further, described flexible heater film be attached to the bottom of lower house, all around with the inside of loam cake.
Further, but described flexible heater film all standing shell inner surface or partial coverage.The power requirement design that the size of described flexible heater film heats up according to actual needs.
Further, the thickness of described flexible heater film is 0.5mm-1.5mm.
Further, the adjustable temperature range of described flexible heater film is-35 ℃～100 ℃.
Further, described loam cake adopts screw to be fixedly connected with lower house.
Further, described lower house is provided with the fairlead of one or more charge and discharge wires be used to drawing flexible heater film power line, ferric phosphate lithium cell group, is provided with the sealing ring that dustproof and waterproof is used on the described fairlead.
Further, the power supply of described flexible heater film is to adopt alternating current or adopt small-sized low-temperature lithium ion battery.
The beneficial effects of the utility model: can be increased to 0 ℃ to the discharge environment temperature of ferric phosphate lithium cell, the ferric phosphate lithium cell that is placed on the inside can be easily in the situation that ambient temperature is lower charges, greatly improve the low temperature charging performance of LiFePO4; The very thin thickness of heating film, the space that takies is very little; The cost of technical scheme is very low; Need can apply to motor vehicle and the energy storage base station of outdoor charging.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Come the utility model is further specified below in conjunction with specific embodiment, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model contained all alternatives, improvement project and the equivalents that may comprise in claims scope.
With reference to Fig. 1, a kind of ferric phosphate lithium cell assembly housing, comprise the housing that is formed by the loam cake 1 that is fixedly connected with and lower house 2, the inner surface of described loam cake 1 and lower house 2 all posts flexible heater film 4, described flexible heater film 4 is connected with temp control switch 5, and be connected with power supply, be provided with charging inlet and discharge interface on the described lower house 2.
Described flexible heater film 4 can be silica gel heating band, PET heating film, glass heating tape or polyimides heating plate.
Described flexible heater film 4 be attached to the bottom of lower house 2, all around with the inside of loam cake 1.
But described flexible heater film 4 all standing shell inner surface or partial coverages.The power requirement design that the size of described flexible heater film 4 heats up according to actual needs.
The thickness of described flexible heater film 4 is 0.5mm-1.5mm.
The adjustable temperature range of described flexible heater film 4 is-35 ℃～100 ℃.
Described loam cake 1 adopts screw 3 to be fixedly connected with lower house 2.
Described lower house 2 is provided with the fairlead 6 of one or more charge and discharge wires be used to drawing flexible heater film power line, ferric phosphate lithium cell group, is provided with the sealing ring that dustproof and waterproof is used on the described fairlead 6.
The power supply of described flexible heater film 4 is to adopt alternating current or adopt small-sized low-temperature lithium ion battery.
The material of the housing of the present embodiment can be plastics, panel beating or stainless steel, the thickness of flexible heater film 4 is the polyimides heating plate of 1mm, area occupies 1/2 of shell inner surface, the direct incoming transport electricity of the power supply of flexible heater film 4, and the shutoff node temperature of temp control switch 5 is 0 ℃.
Use procedure of the present utility model is as follows: after ferric phosphate lithium cell is assembled into battery pack, connect battery protection system, put into the lower house 2 of battery case, draw charging conductor and the electrical discharge wire of ferric phosphate lithium cell group from fairlead 6; And then cover loam cake 1, with screw 3 loam cake and lower house are connected and fixed.When the ferric phosphate lithium cell group need to discharge and recharge, with the power connection of flexible heater film 4, make the temperature of housing remain on the design temperature of temp control switch 5.
Claims (9)
1. ferric phosphate lithium cell assembly housing, comprise the housing that is formed by the loam cake that is fixedly connected with and lower house, it is characterized in that: the inner surface of described loam cake and lower house all posts flexible heater film, described flexible heater film is connected with temp control switch, and be connected with power supply, be provided with charging inlet and discharge interface on the described lower house.
2. a kind of ferric phosphate lithium cell assembly housing according to claim 1, it is characterized in that: described flexible heater film can be silica gel heating band, PET heating film, glass heating tape or polyimides heating plate.
3. a kind of ferric phosphate lithium cell assembly housing according to claim 1 and 2 is characterized in that: described flexible heater film be attached to the bottom of lower house, all around with the inside of loam cake.
4. a kind of ferric phosphate lithium cell assembly housing according to claim 3 is characterized in that: but described flexible heater film all standing shell inner surface or partial coverage.
5. a kind of ferric phosphate lithium cell assembly housing according to claim 4, it is characterized in that: the thickness of described flexible heater film is 0.5mm-1.5mm.
6. a kind of ferric phosphate lithium cell assembly housing according to claim 5, it is characterized in that: the adjustable temperature range of described flexible heater film is-35 ℃～100 ℃.
7. a kind of ferric phosphate lithium cell assembly housing according to claim 6 is characterized in that: described loam cake adopts screw to be fixedly connected with lower house.
8. a kind of ferric phosphate lithium cell assembly housing according to claim 7, it is characterized in that: described lower house is provided with the fairlead of one or more charge and discharge wires be used to drawing flexible heater film power line, ferric phosphate lithium cell group, is provided with the sealing ring that dustproof and waterproof is used on the described fairlead.
9. a kind of ferric phosphate lithium cell assembly housing according to claim 8 is characterized in that: the power supply of described flexible heater film is to adopt alternating current or adopt small-sized low-temperature lithium ion battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203023923U CN202712276U (en) | 2012-06-21 | 2012-06-21 | Iron phosphate lithium battery pack shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203023923U CN202712276U (en) | 2012-06-21 | 2012-06-21 | Iron phosphate lithium battery pack shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712276U true CN202712276U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203023923U Expired - Fee Related CN202712276U (en) | 2012-06-21 | 2012-06-21 | Iron phosphate lithium battery pack shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766999A (en) * | 2015-02-13 | 2015-07-08 | 超威电源有限公司 | Lead-acid storage battery used in low temperature environment |
| CN105513807A (en) * | 2015-12-29 | 2016-04-20 | 中国电子科技集团公司第十一研究所 | Energy-storing capacitor device and laser power supply |
| CN106981702A (en) * | 2017-02-14 | 2017-07-25 | 山东超威磁窑电源有限公司 | Intelligent low-temperature battery |
-
2012
- 2012-06-21 CN CN2012203023923U patent/CN202712276U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766999A (en) * | 2015-02-13 | 2015-07-08 | 超威电源有限公司 | Lead-acid storage battery used in low temperature environment |
| CN105513807A (en) * | 2015-12-29 | 2016-04-20 | 中国电子科技集团公司第十一研究所 | Energy-storing capacitor device and laser power supply |
| CN106981702A (en) * | 2017-02-14 | 2017-07-25 | 山东超威磁窑电源有限公司 | Intelligent low-temperature battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20180621 |