CN103594750B - A kind of lithium ionic cell module of resistance to floating charge and floating charge method thereof - Google Patents
A kind of lithium ionic cell module of resistance to floating charge and floating charge method thereof Download PDFInfo
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- CN103594750B CN103594750B CN201310594341.1A CN201310594341A CN103594750B CN 103594750 B CN103594750 B CN 103594750B CN 201310594341 A CN201310594341 A CN 201310594341A CN 103594750 B CN103594750 B CN 103594750B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
The invention discloses a kind of lithium ionic cell module of resistance to floating charge and floating charge method thereof, this lithium ionic cell module is not possessing under baffle and electronic-controlled installation, can carry out continuing charging under constant voltage.This lithium ionic cell module comprises some batteries, temperature switch, local automatically controlled cell board, shell, power line, output port and jumper.Temperature switch and serial battery, be arranged between battery and output port; Temperature switch can detecting temperature, disconnects when temperature is too high.The temperature range that temperature switch disconnects is 60 DEG C ~ 65 DEG C.Battery is from balancing battery, with the lithium-based compound of iron content for positive pole.Present invention also offers the floating charge method of this lithium ionic cell module of resistance to floating charge.The lithium ionic cell module of resistance to floating charge provided by the invention and floating charge method thereof, all can meet the application requirement in the fields such as energy storage, and be better than lead-acid battery in environmental protection in electrical property and security performance.
Description
Technical field
The present invention relates to a kind of lithium ionic cell module and technology, particularly, relate to a kind of lithium ionic cell module of resistance to floating charge and floating charge method thereof.
Background technology
Large-scale energy storage system is the important component part of Future New Energy Source system and intelligent grid, and energy-storage battery is the key of large-scale energy storage system.Lithium battery have energy density high, have extended cycle life, self-discharge rate is little, the advantage such as memory-less effect and environmental protection, can replace lead-acid battery becomes energy-storage battery mainstream solution.
As energy storage battery, need to hang over for a long time and bus carries out floating charge to ensure use effect of its power supply in support, and due to the otherness of self discharge between lithium ion single battery, cause Li-ion batteries piles module after continuous charge and discharge process or long term storage, there will be the increasing phenomenon of lithium ion single battery charge state gap, thus have a strong impact on the useful life of battery module.But compared to lead-acid battery and Ni-MH battery, existing lithium ion battery and module be not from the ability of equalization (battery capacity of self-regulation, be other forms of energy when overcharging by unnecessary electric energy conversion, and do not cause potential safety hazard), the external baffle of general need, the individual monomers battery in lithium ionic cell module is avoided to occur overcharging or crossing potential safety hazards such as putting, on baffle, by 60 ~ 80mA small area analysis, well-balanced adjustment function is realized to the cell in module simultaneously, this cannot meet the equalization request of capacity lithium-ion battery module, adding also due to baffle simultaneously, battery pack is made to occur uncontrollable exception, thus battery module reliability is reduced, and there is certain potential safety hazard, simultaneously because the semiconductor components and devices on circuit board all need use in room temperature or damp-proof environment, thus reduce the environmental suitability of battery module.
At present, the floating charge application technology of lithium ion battery is not yet ripe, and in fields such as energy storage, track traffic and communications, what can hang over that bus carries out floating charge for a long time is still that lead-acid battery is as leading.
Summary of the invention
The object of this invention is to provide a kind of lithium ionic cell module for fields such as energy storage and floating charge method thereof; all can meet the demands in electrical property and security performance; and lead-acid battery is better than in environmental protection, effectively can replace the application of lead acid accumulator in energy storage field.
In order to achieve the above object, the invention provides a kind of lithium ionic cell module of resistance to floating charge, wherein, this lithium ionic cell module is not possessing under baffle and electronic-controlled installation, can carry out continuing charging under constant voltage; Described lithium ionic cell module comprises some cells, temperature switch, local ECU (Electrical Control Unit) (LocalElectricalControlUnit, LECU) plate, shell, power line, output port and jumper; Serial or parallel connection between described cell; Cell is connected by described jumper; Cell after connection is connected with output port by described power line; The automatically controlled cell board in described local be connected after cell be connected; Described shell is arranged on outside the cell after serial or parallel connection; Described temperature switch be connected after cell connect, arrange between cell upon connection and output port; Described temperature switch can detecting temperature, disconnects when temperature is too high.
The above-mentioned lithium ionic cell module of resistance to floating charge, wherein, described cell is from balancing battery, with the lithium-based compound of iron content for positive electrode, can tolerate lasting constant current charge under the voltage of 3.8V ~ 3.95V; Described positive electrode is lithium iron phosphate positive material, or LiFePO4 and ternary material, LiMn2O4, cobalt acid lithium blended anode material.The negative material of cell be Delanium, native graphite, carbonaceous mesophase spherules or lithium titanate any one or multiple.
The above-mentioned lithium ionic cell module of resistance to floating charge, wherein, described cell have in its electrolyte comprise redox additive from balanced carrier.Mainly should prevent battery from carrying out the additive overcharged from balanced carrier, as redox additive, this additive is naphthalene, anthracene, 2,5-di-t-butyl-Isosorbide-5-Nitrae-dimethoxy benzene, thianthrene, the 4-tert-butyl group-anisole, the 1-nitro-3-tert-butyl group-2-methoxybenzene, the 1-cyano group-3-tert-butyl group-2-methoxybenzene, any one in the materials such as Isosorbide-5-Nitrae-di-t-butyl-2-methoxybenzene.Should can carry out long small area analysis constant current charge under specific voltage from balancing battery, and by the effect of inside from balanced carrier, be heat energy by unnecessary electric energy conversion, battery is not overcharged, solves the potential safety hazard that overcharge brings battery.
The above-mentioned lithium ionic cell module of resistance to floating charge, wherein, the temperature range that described temperature switch disconnects is 60 DEG C ~ 65 DEG C.Because the battery module of resistance to floating charge in use can produce a large amount of heat, if temperature is higher than 60 DEG C ~ 65 DEG C in the process of battery module in discharge and recharge, temperature switch will disconnect, thus plays the effect of protection battery module, avoids potential safety hazard.
The above-mentioned lithium ionic cell module of resistance to floating charge; wherein, the automatically controlled cell board in described local is connected with battery, only possesses data acquisition function; not there is the defencive function preventing super-charge super-discharge electricity, thus avoid too much circuit be connected with battery pack and cause other influences to battery pack.
The above-mentioned lithium ionic cell module of resistance to floating charge, wherein, described battery module can carry out continuing charging under constant voltage, and the charging interval is 3 months to 2 years, and in the period battery module that recharges here, the voltage of each cell all can remain stable.
The above-mentioned lithium ionic cell module of resistance to floating charge, wherein, ambient temperature when described battery module works is-10 ~ 55 DEG C, can ensure continuable charging process under this condition.
Present invention also offers a kind of floating charge method of the above-mentioned lithium ionic cell module of resistance to floating charge, wherein, described method is: first carry out constant current charge to described battery module, preferred 0.5C ~ the 1C(C of electric current represents the charge rate of battery, the i.e. rated capacity of rechargeable battery), and measure the voltage at battery module two ends, when this voltage be equal to or greater than first voltage is set time, conversion constant-voltage method charges to described battery module, the voltage at test constantly battery module two ends, when surveyed voltage be equal to or greater than second voltage is set time, namely can keep continuing uninterrupted charging, 0.05C cut-off is reduced to electric current.
The floating charge method of the above-mentioned lithium ionic cell module of resistance to floating charge, wherein, described second arranges quantity × 3.4V that voltage is more than or equal to battery in described battery module, is preferably number of batteries × (3.4 ~ 3.45) V, and this second arranges voltage and be less than described first and arrange voltage simultaneously.
The floating charge method of the above-mentioned lithium ionic cell module of resistance to floating charge, wherein, described first to arrange voltage be charging voltage when being converted into constant pressure portion from constant current part in constant current-constant voltage charging method, it is less than or equal to the quantity × 3.6V of battery in described battery module, is preferably number of batteries × (3.45 ~ 3.55) V.
The lithium ionic cell module of resistance to floating charge provided by the invention and floating charge method thereof have the following advantages:
(1) battery pack of the present invention's making is other performances are impregnable while, can tolerate long floating charge, significantly promote the floating charge performance of battery pack, be better applied to energy storage and the communications field.
(2) battery pack that the present invention makes only adopts LECU plate to carry out data acquisition in management system, enormously simplify the design of LECU, optimizes group technology.
(3) floating charge method provided by the invention is applicable to any backup type energy-storage system, the resistance to floating charge effect having given play to battery pack that also can be more positive.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the lithium ionic cell module of resistance to floating charge of the present invention.
Fig. 2 is the temperature switch schematic diagram of the lithium ionic cell module of resistance to floating charge of the present invention.
Fig. 3 is the long-time floating charge test result schematic diagram of the embodiment 1 of the lithium ionic cell module of resistance to floating charge of the present invention.
Fig. 4 is the floating charge test result schematic diagram of the embodiment 2 of the lithium ionic cell module of resistance to floating charge of the present invention.
Fig. 5 is the floating charge test result schematic diagram of the control group of the lithium ionic cell module of resistance to floating charge of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
The lithium ionic cell module of resistance to floating charge provided by the invention, is not possessing under baffle and electronic-controlled installation, can carry out continuing charging under constant voltage.As shown in Figure 1, this lithium ionic cell module comprises some cells 1, temperature switch 2, local automatically controlled cell board 3, shell 4, power line 5, output port 6 and jumper 7.
Serial or parallel connection between cell 1; Cell 1 is from balancing battery, and with the lithium-based compound of iron content for positive pole, Delanium is negative pole, can tolerate lasting constant current charge under the voltage of 3.8V ~ 3.95V.Cell 1 have in its electrolyte comprise redox additive from balanced carrier.Mainly should prevent battery from carrying out the additive overcharged, as redox additive from balanced carrier.Should can carry out long small area analysis constant current charge under specific voltage from balancing battery, and by the effect of inside from balanced carrier, be heat energy by unnecessary electric energy conversion, battery is not overcharged, solves the potential safety hazard that overcharge brings battery.
Cell 1 is connected by jumper 7.Cell 1 after connection is connected with output port 6 by power line 5.Shell 4 is arranged on outside the cell 1 after serial or parallel connection.
Temperature switch 2 be connected after cell 1 connect, arrange between cell 1 upon connection and output port 6, shown in Figure 2; Temperature switch 2 can detecting temperature, disconnects when temperature is too high.The temperature range that temperature switch 2 disconnects is 60 DEG C ~ 65 DEG C.Because the battery module of resistance to floating charge in use can produce a large amount of heat, if temperature is higher than 60 DEG C ~ 65 DEG C in the process of battery module in discharge and recharge, temperature switch will disconnect, thus plays the effect of protection battery module, avoids potential safety hazard.
The automatically controlled cell board 3 in local is connected with battery, and can carry out data acquisition, this LECU plate 3 only possesses data acquisition function, does not have the defencive function preventing super-charge super-discharge electricity, thus avoids too much circuit be connected with battery pack and cause other influences to battery pack.
This battery module can carry out continuing charging under constant voltage, and the charging interval is 3 months to 2 years, and in the period battery module that recharges here, the voltage of each cell 1 all can remain stable.Ambient temperature during battery module work is-10 ~ 55 DEG C, can ensure continuable charging process under this condition.
The present invention also provides the floating charge method of this lithium ionic cell module of resistance to floating charge, and the method is:
First constant current charge is carried out to battery module, preferred 0.5C ~ the 1C(C of electric current represents the charge rate of battery, the i.e. rated capacity of rechargeable battery), and measure the voltage at battery module two ends, when this voltage be equal to or greater than first voltage is set time, conversion constant-voltage method battery module is charged, the voltage at test constantly battery module two ends, when surveyed voltage be equal to or greater than second voltage is set time, namely can keep continuing uninterrupted charging, be reduced to 0.05C cut-off to electric current.
Second arranges quantity × 3.4V that voltage is more than or equal to battery in battery module, is preferably number of batteries × (3.4 ~ 3.45) V, and this second arranges voltage and be less than first and arrange voltage simultaneously.
First to arrange voltage be charging voltage when being converted into constant pressure portion from constant current part in constant current-constant voltage charging method, and it is less than or equal to the quantity × 3.6V of battery in battery module, is preferably number of batteries × (3.45 ~ 3.55) V.
Embodiment 1
Make iron phosphate lithium-based from balancing battery:
1, positive plate makes
By NMP(N-methyl pyrrolidone) add in agitator tank, then the binding agent PVDF(Kynoar that percentage by weight is 3% is added), the binding agent being stirred to white dissolves completely, add the conductive agent of 3% again, conductive rubber is obtained after stirring, the positive electrode active materials mixture of 94% is joined in conductive rubber, positive electrode active materials is LiFePO4, anode sizing agent is prepared after being uniformly mixed, then being coated in thickness is equably on the aluminium foil of 18 μm, then obtains positive plate after roll-in, section.
2, negative plate makes
NMP is added in agitator tank, then the binding agent PVDF that percentage by weight is 4% is added, the binding agent being stirred to white dissolves completely, add the conductive agent of 1% again, obtain conductive rubber after stirring, the Delanium of 95% or Delanium are joined in conductive rubber with the negative material that mixes of lithium titanate, after being uniformly mixed, preparing cathode size, then being coated in thickness is equably on the Copper Foil of 12 μm, then obtains negative plate after roll-in, section.
3, the preparation of electrolyte
Oxidation-reduction pair DDB(2 is added, 5-di-t-butyl-Isosorbide-5-Nitrae-dimethoxy benzene in the solvent of five components), its content is 0.8%.This solvent is counted by volume and is included as EC:EMC:DMC:DEC:PC=60:5:15:15:5(namely, ethylene carbonate: methyl ethyl carbonate: dimethyl carbonate: diethyl carbonate: propene carbonate=60:5:15:15:5).
4, the making of battery
Positive plate, barrier film, negative plate are stacked successively and adopt laminated structure to make battery core, after welding positive and negative electrode lug respectively, then through entering shell, laser welding, fluid injection, change into partial volume operation after, be made into lithium-ion battery with steel shell, i.e. cell 1.
Make the lithium ionic cell module of resistance to floating charge:
From the cell 1 of preparation, get 12, be connected in series composition battery pack by jumper 7, temperature switch 2 is at the power stage mouth of battery pack, and namely output port 6 and battery pack are connected in series, and LECU plate 3 gathers each cell 1 voltage in battery pack.This module directly can access UPS(UninterruptiblePowerSupply, uninterrupted power supply) use, any electronic circuit board need not be added again.
Embodiment 2
Prepare according to the preparation method in embodiment 1 lithium ionic cell module of resistance to floating charge, the cell of 12 in embodiment 11 is replaced by 6 cells 1, all the other every configurations are constant.
Control group: provide one group of lithium ionic cell module according to the connected mode in embodiment 1 and all parts in addition to the battery, the cell of 12 in embodiment 11 is replaced by 6 conventional batteries, all the other every configurations are constant.
The module of 12 battery compositions of embodiment 1, before being assembled into module, first state of charge (stateofcharge is carried out to each cell 1, SOC) adjustment, SOC maximum difference is made to be that every two battery SOCs of 10%(are consistent, be respectively 50%, 52%, 54%, 56%, 58% and 60%), then carry out simple connection in series-parallel connection, carry out long floating charge test at 40.8V, test result as shown in Figure 3.
Because the SOC of 12 batteries is different, therefore there is little bit different in the voltage of cell 1 in float, and after the floating charge through three wheat harvesting periods, in module, each cell 1 voltage's distribiuting is stablized, Non Apparent Abnormality.
For embodiment 2 and control group, because series-connected cell quantity is 6, therefore after being full of electricity to battery module, then with 20.6V, floating charge is carried out to battery module, namely battery module is carried out to the constant voltage charge of 20.6V.Carry out data acquisition respectively to every block battery of embodiment 2 and control group, the voltage obtained and time curve are as shown in Figure 4 and Figure 5.
Can find out, a cell voltage is had to rise to about 3.93V rapidly in the battery pack of control group, and remain high always, and though the transient voltage rising having cell 1 to start in charging in embodiment 2 is obvious, but at once under the effect from balanced carrier, the voltage of cell 1 has had and has obviously declined.
The lithium ionic cell module of resistance to floating charge provided by the invention and floating charge method thereof, when cell 1 causes SOC to produce difference due to self discharge or other reasons, can be regulated by the SOC of long floating charge to cell 1, prevent the generation that cell 1 overcharges.Therefore this module also can overcharging resisting, long cycle performance also can show good.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. the lithium ionic cell module of resistance to floating charge, is characterized in that, this lithium ionic cell module is not possessing under baffle and electronic-controlled installation, can carry out continuing charging under constant voltage;
Described lithium ionic cell module comprises some cells (1), temperature switch (2), the automatically controlled cell board in local (3), shell (4), power line (5), output port (6) and jumper (7);
Serial or parallel connection between described cell (1); Cell (1) is connected by described jumper (7); Cell (1) after connection is connected with output port (6) by described power line (5); The automatically controlled cell board in described local (3) be connected after cell (1) be connected, described shell (4) is arranged on the cell (1) after serial or parallel connection outward;
Described cell (1) is from balancing battery, with the lithium-based compound of iron content for positive electrode, can tolerate lasting constant current charge under the voltage of 3.8V ~ 3.95V; Described positive electrode is lithium iron phosphate positive material, or LiFePO4 and ternary material, LiMn2O4, cobalt acid lithium blended anode material;
Described temperature switch (2) be connected after cell (1) connect, arrange between cell (1) upon connection and output port (6); Described temperature switch (2) can detecting temperature, disconnects when temperature is too high;
Data acquisition can be carried out in the automatically controlled cell board in described local (3), does not have and prevents from overcharging or the defencive function of overdischarge.
2. the lithium ionic cell module of resistance to floating charge as claimed in claim 1, it is characterized in that, described cell (1) have in its electrolyte comprise redox additive from balanced carrier, described redox additive is naphthalene, anthracene, 2,5-di-t-butyl-1,4-dimethoxy benzene, the 4-tert-butyl group-anisole, the 1-nitro-3-tert-butyl group-2-methoxybenzene, 1-cyano group-3-the tert-butyl group-2-methoxybenzene, any one in Isosorbide-5-Nitrae-di-t-butyl-2-methoxybenzene, unnecessary electric energy conversion can be heat energy by this additive under the constant current charge continued.
3. the lithium ionic cell module of resistance to floating charge as claimed in claim 1, is characterized in that, the temperature range that described temperature switch (2) disconnects is 60 DEG C ~ 65 DEG C.
4. the lithium ionic cell module of resistance to floating charge as claimed in claim 1, is characterized in that, described battery module can carry out continuing charging under constant voltage, and the charging interval is 3 months to 2 years.
5. the lithium ionic cell module of resistance to floating charge as claimed in claim 4, is characterized in that, ambient temperature when described battery module works is-10 ~ 55 DEG C.
6. a floating charge method for the lithium ionic cell module of resistance to floating charge as described in claim 1 ~ 5 any one, is characterized in that, described method is:
First constant current charge is carried out to described battery module, and measure the voltage at battery module two ends, when this voltage be equal to or greater than first voltage is set time, conversion constant-voltage method charges to described battery module, the voltage at test constantly battery module two ends, when surveyed voltage be equal to or greater than second voltage is set time, namely can keep continuing uninterrupted charging.
7. the floating charge method of the lithium ionic cell module of resistance to floating charge as claimed in claim 6, it is characterized in that, described second arranges quantity × 3.4V that voltage is more than or equal to battery in described battery module, and this second arranges voltage and be less than described first and arrange voltage simultaneously.
8. the floating charge method of the lithium ionic cell module of resistance to floating charge as claimed in claim 7, is characterized in that, described first arranges quantity × 3.6V that voltage is less than or equal to battery in described battery module.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972193A (en) * | 2017-03-27 | 2017-07-21 | 湖北猛狮新能源科技有限公司 | A kind of high magnification fills the preparation method of lithium ion battery soon |
| CN109065943B (en) * | 2018-08-17 | 2024-04-02 | 深圳赛骄阳能源科技股份有限公司 | Explosion-proof lithium ion battery |
| CN111952538A (en) * | 2020-06-18 | 2020-11-17 | 上海航天电源技术有限责任公司 | Preparation method of low-temperature battery and starting power supply based on low-temperature battery |
| CN114583413A (en) * | 2022-02-28 | 2022-06-03 | 徐苗 | Device and method for preventing deflagration of lithium battery pack based on temperature fuse |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026307A (en) * | 2006-12-25 | 2007-08-29 | 苏州市三环技贸有限公司 | Charging-discharging automatic balancing method for serial power lithium battery |
| CN201257887Y (en) * | 2008-09-10 | 2009-06-17 | 宁波拜特测控技术有限公司 | Cell management system of electric automobile |
| CN101615696A (en) * | 2009-07-16 | 2009-12-30 | 江苏富朗特新能源有限公司 | Formation process of flexible-package lithium ion secondary battery |
| CN101872878A (en) * | 2010-05-11 | 2010-10-27 | 江苏富朗特新能源有限公司 | Method for enhancing floating resistance of lithium manganate lithium ion battery system |
| CN102931432A (en) * | 2012-12-06 | 2013-02-13 | 上海航天电源技术有限责任公司 | Self-balancing lithium ion battery |
| CN102969465A (en) * | 2012-11-06 | 2013-03-13 | 上海航天电源技术有限责任公司 | Lithium ion battery module with insulation and weight reduction integrated structure design for energy storage |
| CN202839813U (en) * | 2012-09-11 | 2013-03-27 | 上海航天电源技术有限责任公司 | Lithium ion battery pack with over-current protection function |
| CN103051046A (en) * | 2012-11-19 | 2013-04-17 | 宁波金源电气有限公司 | Power frequency insertion power supply system of traffic LED (Light-Emitting Diode) lamp and charging method thereof |
| CN103296233A (en) * | 2013-06-14 | 2013-09-11 | 上海航天电源技术有限责任公司 | Light-weight lithium-ion battery module for vehicles |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5146726B2 (en) * | 2007-10-25 | 2013-02-20 | 日立工機株式会社 | Charger |
| JP2010044895A (en) * | 2008-08-11 | 2010-02-25 | Toyota Motor Corp | Temperature control device of power supply device |
| TW201240270A (en) * | 2011-03-18 | 2012-10-01 | Samya Technology Co Ltd | Integrated battery charger |
-
2013
- 2013-11-22 CN CN201310594341.1A patent/CN103594750B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026307A (en) * | 2006-12-25 | 2007-08-29 | 苏州市三环技贸有限公司 | Charging-discharging automatic balancing method for serial power lithium battery |
| CN201257887Y (en) * | 2008-09-10 | 2009-06-17 | 宁波拜特测控技术有限公司 | Cell management system of electric automobile |
| CN101615696A (en) * | 2009-07-16 | 2009-12-30 | 江苏富朗特新能源有限公司 | Formation process of flexible-package lithium ion secondary battery |
| CN101872878A (en) * | 2010-05-11 | 2010-10-27 | 江苏富朗特新能源有限公司 | Method for enhancing floating resistance of lithium manganate lithium ion battery system |
| CN202839813U (en) * | 2012-09-11 | 2013-03-27 | 上海航天电源技术有限责任公司 | Lithium ion battery pack with over-current protection function |
| CN102969465A (en) * | 2012-11-06 | 2013-03-13 | 上海航天电源技术有限责任公司 | Lithium ion battery module with insulation and weight reduction integrated structure design for energy storage |
| CN103051046A (en) * | 2012-11-19 | 2013-04-17 | 宁波金源电气有限公司 | Power frequency insertion power supply system of traffic LED (Light-Emitting Diode) lamp and charging method thereof |
| CN102931432A (en) * | 2012-12-06 | 2013-02-13 | 上海航天电源技术有限责任公司 | Self-balancing lithium ion battery |
| CN103296233A (en) * | 2013-06-14 | 2013-09-11 | 上海航天电源技术有限责任公司 | Light-weight lithium-ion battery module for vehicles |
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