CN105655666A - Energy storage type new energy battery protection system used for intelligent energy net and method of energy storage type new energy battery protection system - Google Patents
Energy storage type new energy battery protection system used for intelligent energy net and method of energy storage type new energy battery protection system Download PDFInfo
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- CN105655666A CN105655666A CN201610179543.3A CN201610179543A CN105655666A CN 105655666 A CN105655666 A CN 105655666A CN 201610179543 A CN201610179543 A CN 201610179543A CN 105655666 A CN105655666 A CN 105655666A
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- change material
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- energy
- phase change
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an energy storage type new energy battery protection system used for an intelligent energy net and a method of the energy storage type new energy battery protection system. The system consists of a battery pack, a shell, a polyhydric alcohol phase change material, a fatty acid phase change material capsule and a fiber material fin. The solid-phase polyhydric alcohol phase change material is used to absorb heat and melt, so as to restrain the sharp temperature increment of the battery pack within a short time, the solidification of a liquid phase fatty acid phase change material in the fatty acid phase change material capsule is used to preserve heat of the battery pack, and the characteristic that a heat conductivity coefficient of the fiber material fin is increased along with temperature increment is used to further realize functions of improving heat dissipation under high temperature and enhancing freeze prevention under low temperature for the battery pack; the polyhydric alcohol phase change material absorbs heat, stores energy and supplies the heat to users, and is energy-saving, economical and environmentally friendly; the system is high in adaptation, and can be used in an extreme environment with great temperature difference change; the phase change materials are good in repeatability, and the service life is long.
Description
Technical field
The present invention relates to wisdom energy net and new energy field, particularly relate to a kind of energy storage type new forms of energy battery protection system for wisdom energy net and method thereof.
Background technology
Along with the increase of environmental stress, the finiteness of conventional energy resources is day by day outstanding, and the new forms of energy at present with environmental protection and renewable advantage obtain the more and more attention in the world. Development new forms of energy industry is possible not only to the supply effectively supplementing whole energy resource system, is more conducive to the improvement of ecotope, is the optimal selection of following sustainable development path.
The multiple renewable energy sources such as sun power, Geothermal energy, water energy, air energy, trade effluent used heat integrated by wisdom energy net, taking cold heat balance as core, the new technology intelligent balances such as thermal equilibrium, accumulation of energy, cold and heat recovery are adopted to control various energy stream, heat recovery rate can be improved, meet the multiple demands such as generating, heating, snow-removing and ice-thawing, oven dry heating simultaneously.
Wisdom energy net grid-connected power generation system to new forms of energy series of cells charging and series of cells and external electrical network charge/discharge process in, battery pack temperature sharply can raise within the short period of time, affects the work-ing life of new forms of energy series of cells. The development of following wisdom energy net can spread all over the world, and even gos deep into universe space, more can face the operating mode of various extreme day and night temperature, it would be desirable to the function of insulation when simultaneously meeting heat radiation, low temperature at night when working daytime. The current heat radiation to the series of cells Physical temperature-lowering pattern that employing conventional fan is dried for a long time mostly; during the ramp case rapidly being applied in the short period of time uneconomical, and lack at present to wisdom energy net new forms of energy series of cells the violent temperature difference change under available protecting means.
Summary of the invention
It is an object of the invention to overcome the shortcoming and defect of above-mentioned prior art, it is proposed to a kind of energy storage type new forms of energy battery protection system for wisdom energy net and method thereof. Utilizing the fusing of phase change material and solidify and series of cells is carried out high/low temperature protection, storing heat is to user's heat supply simultaneously;Make full use of the filamentary material rib sheet advantage that thermal conductivity is high under thermal conductivity low and high temperature at low temperatures, energy-conservation, economy, environmental protection.
The technical scheme of the present invention is as follows:
The present invention discloses a kind of energy storage type new forms of energy battery protection system for wisdom energy net, described system is by series of cells, shell, polyalcohols phase change material, resin acid class phase-change material capsule, filamentary material rib sheet forms, polyalcohols phase change material it is full of between series of cells and shell, resin acid class phase-change material capsule is distributed in polyalcohols phase change material, the transformation temperature of polyalcohols phase change material is lower than series of cells maximum operating temperature, in resin acid class phase-change material capsule, the transformation temperature of resin acid class phase change material is higher than the minimum working temperature of series of cells, outer casing inner wall is welded with filamentary material rib sheet. the amount of resin acid class phase-change material capsule according in actual application environment round the clock the particular case such as time length, extreme temperature calculate and determine.
Preferably, the filamentary material that described filamentary material rib sheet employing thermal conductivity is directly proportional to temperature.
Preferably, described filamentary material rib sheet contacts with series of cells, and is evenly distributed in series of cells surrounding. Its sheet number, spacing need according in actual application environment round the clock the particular case such as time length, extreme temperature calculate and determine.
Heat radiation energy storage/anti-freezing and heat-insulating the method for described energy storage type new forms of energy battery protection system is:
The energy of series of cells is provided by grid-connected power generation system, grid-connected power generation system to series of cells charging and series of cells and external electrical network charge/discharge process in, a large amount of heats can be discharged in the series of cells short period of time and its temperature is raised rapidly, owing to the transformation temperature of solid phase polyalcohols phase change material is lower than series of cells maximum operating temperature, therefore solid phase polyalcohols phase change material takes the lead in endothermic melting, maintain battery pack temperature and it is in constant phase transformation temperature of fusion, series of cells is avoided to cross cause thermal damage, heat absorption storage is used for user's heat supply by polyalcohols phase change material simultaneously, filamentary material rib sheet at high temperature thermal conductivity height, accelerate series of cells heat radiation further,
When the outside ambient temperature is low, owing to the transformation temperature of resin acid class phase change material in resin acid class phase-change material capsule is higher than the minimum working temperature of series of cells, therefore the liquid phase resin acid class phase change material in resin acid class phase-change material capsule takes the lead in solidifying, it is constant that maintenance battery pack temperature is in constant phase transformation temperature of solidification, play the effect of anti-freezing and heat-insulating, thermal conductivity is low at low temperatures for filamentary material rib sheet, slow down the heat radiation of series of cells external environment, further enhancing anti-freezing and heat-insulating effect.
The application of described energy storage type new forms of energy battery protection system, it is characterised in that be applied to any new forms of energy field of batteries.
The present invention compared with prior art, has following useful effect:
(1) utilize solid phase polyalcohols phase change material endothermic melting, suppress the sharply rising of temperature in the series of cells short period of time, avoid its overtemperature to damage;
(2) utilize solidifying of liquid phase resin acid class phase change material in resin acid class phase-change material capsule, to series of cells insulation, avoid extraneous low temperature environment to the destruction of series of cells operation condition;
(3) feature utilizing filamentary material rib sheet thermal conductivity to raise with temperature and to increase, realizes strengthening antifreeze function under improving heat radiation, low temperature under series of cells high temperature further;
(4) utilize phase change material heat-absorbing energy-accumulating and to user's heat supply, energy-conservation, economy, environmental protection;
(5) environment of system strong adaptability, can be used for the extreme environment that difference variation is big;
(6) phase change material repeatability is good, it may also be useful to the life-span is long.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of energy storage type new forms of energy battery protection system for wisdom energy net.
In accompanying drawing, being listed as follows of each parts:
1: series of cells; 2: shell;
3: polyalcohols phase change material; 4: resin acid class phase-change material capsule;
5: filamentary material rib sheet.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described in more detail.
As shown in Figure 1, the energy storage type new forms of energy battery protection system for wisdom energy net of the present invention is by series of cells 1, shell 2, polyalcohols phase change material 3, resin acid class phase-change material capsule 4, filamentary material rib sheet 5 forms, polyalcohols phase change material 3 it is full of between series of cells 1 and shell 2, resin acid class phase-change material capsule 4 is distributed in polyalcohols phase change material 3, the transformation temperature of polyalcohols phase change material 3 is lower than series of cells 1 maximum operating temperature, in resin acid class phase-change material capsule 4, the transformation temperature of resin acid class phase change material is higher than the minimum working temperature of series of cells 1, shell 2 inwall is welded with filamentary material rib sheet 5.
The working process of the present invention is as follows:
The energy of series of cells 1 is provided by grid-connected power generation system, grid-connected power generation system series of cells 1 charged and series of cells 1 with the charge/discharge process of external electrical network, a large amount of heats can be discharged in series of cells 1 short period of time and its temperature is raised rapidly, owing to the transformation temperature of solid phase polyalcohols phase change material 3 is lower than series of cells 1 maximum operating temperature, therefore solid phase polyalcohols phase change material 3 takes the lead in endothermic melting, maintain series of cells 1 temperature and it is in constant phase transformation temperature of fusion, series of cells 1 is avoided to cross cause thermal damage, heat absorption storage is used for user's heat supply by polyalcohols phase change material 3 simultaneously, filamentary material rib sheet 5 at high temperature thermal conductivity height, accelerate series of cells 1 further to dispel the heat,
When the outside ambient temperature is low, owing to the transformation temperature of resin acid class phase change material in resin acid class phase-change material capsule 4 is higher than the minimum working temperature of series of cells 1, therefore the liquid phase resin acid class phase change material in resin acid class phase-change material capsule 4 takes the lead in solidifying, it is constant that maintenance series of cells 1 temperature is in constant phase transformation temperature of solidification, play the effect of anti-freezing and heat-insulating, thermal conductivity is low at low temperatures for filamentary material rib sheet 5, slow down the heat radiation of series of cells 1 external environment, further enhancing anti-freezing and heat-insulating effect.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-described embodiment sequence number only for describing, does not represent the quality of embodiment. Above-described embodiment is only the better embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other are within the spirit and principles in the present invention any, and the amendment done, replacement, combination, simplification, improvement etc., be included within protection scope of the present invention.
Claims (5)
1. the energy storage type new forms of energy battery protection system for wisdom energy net, it is characterized in that described system is by series of cells (1), shell (2), polyalcohols phase change material (3), resin acid class phase-change material capsule (4), filamentary material rib sheet (5) forms, polyalcohols phase change material (3) it is full of between series of cells (1) and shell (2), resin acid class phase-change material capsule (4) is distributed in polyalcohols phase change material (3), the transformation temperature of polyalcohols phase change material (3) is lower than series of cells (1) maximum operating temperature, the transformation temperature of resin acid class phase-change material capsule (4) interior resin acid class phase change material is higher than series of cells (1) minimum working temperature, shell (2) inwall is welded with filamentary material rib sheet (5).
2. a kind of energy storage type new forms of energy battery protection system for wisdom energy net according to claim 1, it is characterised in that the filamentary material that described filamentary material rib sheet (5) employing thermal conductivity is directly proportional to temperature.
3. a kind of energy storage type new forms of energy battery protection system for wisdom energy net according to claim 1; it is characterized in that described filamentary material rib sheet (5) contacts with series of cells (1), and it is evenly distributed in series of cells (1) surrounding.
4. the heat radiation energy storage/anti-freezing and heat-insulating method of an energy storage type new forms of energy battery protection system as claimed in claim 1, it is characterised in that:
The energy of series of cells (1) is provided by grid-connected power generation system, in the charge/discharge process of grid-connected power generation system to series of cells (1) charging and series of cells (1) and external electrical network, a large amount of heats can be discharged in series of cells (1) short period of time and its temperature is raised rapidly, owing to the transformation temperature of solid phase polyalcohols phase change material (3) is lower than series of cells (1) maximum operating temperature, therefore solid phase polyalcohols phase change material (3) takes the lead in endothermic melting, maintain series of cells (1) temperature and it is in constant phase transformation temperature of fusion, series of cells (1) is avoided to cross cause thermal damage, heat absorption storage is used for user's heat supply by polyalcohols phase change material (3) simultaneously, filamentary material rib sheet (5) at high temperature thermal conductivity height, accelerate series of cells (1) heat radiation further,
When the outside ambient temperature is low, owing to the transformation temperature of resin acid class phase-change material capsule (4) interior resin acid class phase change material is higher than series of cells (1) minimum working temperature, therefore the liquid phase resin acid class phase change material in resin acid class phase-change material capsule (4) takes the lead in solidifying, it is constant that maintenance series of cells (1) temperature is in constant phase transformation temperature of solidification, play the effect of anti-freezing and heat-insulating, thermal conductivity is low at low temperatures for filamentary material rib sheet (5), slow down the heat radiation of series of cells (1) external environment, further enhancing anti-freezing and heat-insulating effect.
5. the application of an energy storage type new forms of energy battery protection system as claimed in claim 1, it is characterised in that be applied to any new forms of energy field of batteries.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179543.3A CN105655666B (en) | 2016-03-25 | 2016-03-25 | A kind of energy storage type new energy battery protection system and its method for wisdom energy net |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610179543.3A CN105655666B (en) | 2016-03-25 | 2016-03-25 | A kind of energy storage type new energy battery protection system and its method for wisdom energy net |
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| CN105655666A true CN105655666A (en) | 2016-06-08 |
| CN105655666B CN105655666B (en) | 2018-02-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384463A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN111742443A (en) * | 2018-09-11 | 2020-10-02 | 株式会社Lg化学 | Battery module having improved cooling efficiency and battery pack including the same |
| WO2023093543A1 (en) * | 2021-11-25 | 2023-06-01 | 南京泉峰科技有限公司 | Battery pack and electric tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102655247A (en) * | 2011-03-01 | 2012-09-05 | 杭州普维光电技术有限公司 | Method and device for constant temperature operation of lithium battery |
| CN102738536A (en) * | 2011-04-07 | 2012-10-17 | 通用汽车环球科技运作有限责任公司 | Battery thermal interfaces with microencapsulated phase change materials for enhanced heat exchange properties |
| CN205028988U (en) * | 2015-09-30 | 2016-02-10 | 北京建筑大学 | Battery constant temperature protection device |
| CN105356004A (en) * | 2015-10-27 | 2016-02-24 | 上海工程技术大学 | Combined heat dissipating device provided with fins and foam heat conduction structure |
-
2016
- 2016-03-25 CN CN201610179543.3A patent/CN105655666B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655247A (en) * | 2011-03-01 | 2012-09-05 | 杭州普维光电技术有限公司 | Method and device for constant temperature operation of lithium battery |
| CN102738536A (en) * | 2011-04-07 | 2012-10-17 | 通用汽车环球科技运作有限责任公司 | Battery thermal interfaces with microencapsulated phase change materials for enhanced heat exchange properties |
| CN205028988U (en) * | 2015-09-30 | 2016-02-10 | 北京建筑大学 | Battery constant temperature protection device |
| CN105356004A (en) * | 2015-10-27 | 2016-02-24 | 上海工程技术大学 | Combined heat dissipating device provided with fins and foam heat conduction structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111742443A (en) * | 2018-09-11 | 2020-10-02 | 株式会社Lg化学 | Battery module having improved cooling efficiency and battery pack including the same |
| CN111384463A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN111384463B (en) * | 2018-12-29 | 2021-10-01 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| WO2023093543A1 (en) * | 2021-11-25 | 2023-06-01 | 南京泉峰科技有限公司 | Battery pack and electric tool |
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| Publication number | Publication date |
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| CN105655666B (en) | 2018-02-27 |
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