CN204203436U - Lithium ion battery thermal runaway experimental provision - Google Patents
Lithium ion battery thermal runaway experimental provision Download PDFInfo
- Publication number
- CN204203436U CN204203436U CN201420741048.3U CN201420741048U CN204203436U CN 204203436 U CN204203436 U CN 204203436U CN 201420741048 U CN201420741048 U CN 201420741048U CN 204203436 U CN204203436 U CN 204203436U
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- China
- Prior art keywords
- lithium ion
- ion battery
- heat pipe
- thermal runaway
- experimental provision
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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.)
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 78
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 description 13
- 238000004458 analytical method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical class NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of lithium ion battery thermal runaway experimental provision, comprise heat pipe and heat-insulation system; Described heat pipe outer wall is wound around resistance wire, and described heat pipe is embedded in heat-insulation system, and heat pipe inner chamber forms lithium ion battery mounting hole for installing lithium ion battery to be measured, and described heat pipe top is provided with temperature sensor fixing hole; Described heat-insulation system is made up of the high-temperature-resistant thermal-insulation layer in container and container.The utility model is rational in infrastructure, easy to operate, and function is many.By connecting different servicing units, use this device can realize the factors such as environment temperature, hot environment, charge-discharge magnification, radiating condition to the test of lithium ion battery thermal runaway simultaneously.
Description
Technical field
The utility model relates to a kind of lithium ion battery thermal runaway experimental provision.
Background technology
Lithium ion battery because its operating voltage is high, power density and energy density is high, discharge and recharge life-span length, memory-less effect, the advantage such as pollution-free, be widely used in all kinds of electronic devices and components, as notebook computer, camera, mobile phone etc.But the safety problem of lithium ion battery is its great difficult problem further developed of restriction always.What the safety issue of battery embodied after all is temperature problem.The result that any safety issue finally causes is exactly that temperature raises until out of control, occurs security incident.Therefore, obtain the temperature of lithium ion battery thermal runaway, the thermal runaway environment of prediction lithium ion battery, prevention lithium ion battery thermal runaway is had great importance.
At present, both at home and abroad mainly through the influence factor of thermogravimetric analyzer, differential scanning calorimeter, accelerating calorimeter, high-temperature test chamber research lithium ion battery thermal runaway.Thermogravimetric analyzer, can the mass change of measurement of species and the speed of change exactly under programed temperature, draws the rule of temperature and mass change.Differential scanning calorimeter, under programed temperature, is measured and is input to the difference power of sample and reference substance and the relation of temperature.Accelerating calorimeter can provide chemical reaction under adiabatic condition time-temperature-pressure data between relation.Above three kinds of experimental provision tested objects are all the constitutes of inside lithium ion cell, and the research reaction rule of inner material and the impact on lithium ion battery thermal runaway thereof, for the research of lithium ion battery thermal runaway provides theoretical explanation.And China Electronics's technology standardization what roc woods graduate uses high-temperature test chamber to have studied lithium ion battery thermal runaway rule, the resistance to elevated temperatures of lithium battery entirety is studied.
But, above experimental provision can not simultaneously the factor such as researching high-temperature environment, charge-discharge magnification, radiating condition on the impact of lithium ion battery thermal runaway.
Summary of the invention
The purpose of this utility model is intended to overcome above-mentioned Problems existing, a kind of lithium ion battery thermal runaway experimental provision is provided, this apparatus system is easy and simple to handle, low cost of manufacture, uses this device can realize the factors such as hot environment, charge-discharge magnification, radiating condition to the test of lithium ion battery thermal runaway simultaneously.
The technical solution of the utility model is as follows:
A kind of lithium ion battery thermal runaway experimental provision, comprises heat pipe and heat-insulation system; Described heat pipe outer wall is wound around resistance wire, and described heat pipe is embedded in heat-insulation system, and heat pipe inner chamber forms lithium ion battery mounting hole for installing lithium ion battery to be measured, and described heat pipe top is provided with temperature sensor fixing hole; Described heat-insulation system is made up of the high-temperature-resistant thermal-insulation layer in container and container.
Preferably, outside described resistance wire, be provided with resistance wire stationary installation, guarantee that resistance wire fixedly secures at heat pipe outer wall.Described resistance wire stationary installation is made up outside resistance wire of high temperature resistant adhesive plaster uniform winding.
Preferably, described resistance wire is provided with resistance wire access point in heat pipe upper end, is provided with resistance wire picks out a little in heat pipe lower end.
Preferably, described heat pipe intracavity bottom is provided with and hooks angle, and the profile of described heat pipe inner chamber is convex-down, prevents the landing of lithium ion battery by hooking angle.Described heat pipe internal diameter is 18mm, and external diameter is 26mm, and height is 68mm.The length at described hook angle is 1mm, height is 3mm.
Preferably, described heat pipe is copper pipe.
The aperture of described temperature sensor fixing hole is 2mm, is convenient to temperature sensor and directly inserts in temperature sensor fixing hole.Described temperature sensor is preferably thermopair.
Preferably, described container is iron cylindrical container; The material of described high-temperature-resistant thermal-insulation layer mainly contains alumina silicate fibre blanket, rock cotton board etc.High-temperature-resistant thermal-insulation material is as a kind of insulation filler, and different insulative filling material coefficient of heat transfer is different, by changing the kind of insulation filler, can study the impact of different radiating condition on lithium ion battery thermal runaway.
According to the influence factor of lithium ion battery thermal runaway, the utility model lithium ion battery thermal runaway experimental provision is optionally connected with electric heater unit, charging device, electric discharge device, carry out treatment and analysis by proving installation, data acquisition and processing system, under carrying out different condition (environment temperature, hot environment, charge-discharge magnification, radiating condition), lithium ion battery thermal runaway is tested.Described proving installation comprises temperature sensor; Described data acquisition and processing system comprises Hydra2620A multi-Channels Data Acquisition and Hydra Series Universal signal analysis software, adopt Hydra2620A multi-Channels Data Acquisition synchronous acquisition, adopt Hydra Series Universal signal analysis software to carry out treatment and analysis to data and signal.Described temperature sensor is arranged in the temperature sensor fixing hole in experimental provision, and is connected to come image data with data collecting instrument, and data collecting instrument transfers data to data analysis software and carries out treatment and analysis.Temperature sensor adopts thermopair, for gathering the temperature of lithium ion battery to be measured.
Described electric heater unit comprises D.C. regulated power supply (30V5A), electrical lead, resistance wire, the both positive and negative polarity of described D.C. regulated power supply and the resistance wire access point of resistance wire and resistance wire pick out and a little connect and compose electric heater unit through electrical lead respectively, realize lithium ion battery thermal runaway experiment under constant (non-constant) heating power condition.Wherein, the adjustable voltage scope of the D.C. regulated power supply of described electric heater unit is 0 ~ 30V, electric current 0 ~ 5A.
Described charging device is D.C. regulated power supply (30V50A), and adjustable voltage scope is 0 ~ 30V, electric current 0 ~ 50A.The both positive and negative polarity of the lithium ion battery to be measured placed in lithium ion battery thermal runaway experimental provision is connected with D.C. regulated power supply through electrical lead respectively, and under realizing normal temperature environment, high magnification rechargeable lithium ion battery thermal runaway is tested.On this basis, connect the resistance wire access point of resistance wire in experimental provision by electrical lead and resistance wire picks out a little simultaneously, high magnification rechargeable lithium ion battery thermal runaway experiment under hot environment can be realized.
Described electric discharge device is electric discharge resistance wire, and adjustable resistance scope is 0 ~ 5 Ω.The both positive and negative polarity of the lithium ion battery to be measured placed in lithium ion battery thermal runaway experimental provision is connected with the two ends of electric discharge with resistance wire through electrical lead respectively, and under realizing normal temperature environment, high-multiplying power discharge lithium ion battery thermal runaway is tested.On this basis, connect the resistance wire access point of lithium ion battery thermal runaway experimental provision by electrical lead and resistance wire picks out a little simultaneously, high-multiplying power discharge lithium ion battery thermal runaway experiment under hot environment can be realized.
Before experiment, measured the voltage of lithium ion battery to be measured by universal meter; The utility model lithium ion battery thermal runaway experimental provision is connected with proving installation, data acquisition and processing system, experimentally condition is optionally connected with electric heater unit, charging device, electric discharge device, check the circuit of various parts, and guarantee to connect well.During experiment, be embedded into by lithium ion battery to be measured in lithium ion battery mounting hole, temperature sensor embeds in temperature sensor fixing hole, opens temperature acquisition software, checks that whether each passage is in running order, waiting signal; Then, experimentally condition, correspondingly sets electrical heating power, the size of current of charging device, the resistance sizes of electric discharge device; Finally, open data acquisition software and start image data, by temperature sensor measurement temperature signal, and by signal transmission to data collecting instrument, carry out the collection of data, process and analysis.
The beneficial effects of the utility model are:
Lithium ion battery thermal runaway experimental provision of the present utility model is rational in infrastructure, easy to operate, and function is many.By connecting different servicing units, use this device can realize the factors such as environment temperature, hot environment, charge-discharge magnification, radiating condition to the test of lithium ion battery thermal runaway: under carrying out constant (non-constant) heating power condition, lithium ion battery thermal runaway is tested, high magnification charging (electric discharge) lithium ion battery thermal runaway experiment under normal temperature environment, high magnification charging (electric discharge) lithium ion battery thermal runaway experiment under hot environment, and lithium ion battery thermal runaway experiment under different radiating condition.This experimental provision is coordinated by data acquisition and processing system, easy to use, can the higher experimental data of acquisition precision, and can ensure measuring accuracy.
Accompanying drawing explanation
Fig. 1 is the utility model lithium ion battery thermal runaway experimental provision structural representation;
Fig. 2 is the utility model lithium ion battery thermal runaway experimental provision structure vertical view;
Fig. 3 is heat pipe structural representation in the utility model lithium ion battery thermal runaway experimental provision;
Fig. 4 is heat pipe structure vertical view in the utility model lithium ion battery thermal runaway experimental provision.
In figure, 1-lithium ion battery mounting hole, 2-temperature sensor fixing hole, 3-heat pipe, 4-resistance wire, 5-resistance wire stationary installation, 6-high-temperature-resistant thermal-insulation layer, 7-temperature sensor, 8-container, 9-hooks angle, and 10-resistance wire access point, 11-resistance wire picks out a little.
Embodiment
With embodiment, the technical solution of the utility model is described further by reference to the accompanying drawings.
With reference to accompanying drawing 1-4, a kind of lithium ion battery thermal runaway experimental provision, comprises heat pipe 3 and heat-insulation system; Be provided with bottom described heat pipe 3 and hook angle 9, make the profile of heat pipe 3 be convex-down; Described heat pipe 3 outer wall is wound around resistance wire 4, and described resistance wire 4 is provided with resistance wire access point 10 in heat pipe 3 upper end, is provided with resistance wire picks out a little 11 in heat pipe 3 lower end; The described outer uniform winding of resistance wire 4 is high temperature resistant, and adhesive plaster forms resistance wire stationary installation 5, described heat pipe 3 is embedded in heat-insulation system, heat pipe 3 inner chamber forms lithium ion battery mounting hole 1 for installing lithium ion battery to be measured, and described heat pipe 3 top is provided with thermocouple mounting hole 2; Described heat-insulation system is made up of high-temperature-resistant thermal-insulation layer 6 in container 8 and container 8.Wherein, described heat pipe is copper pipe; Described heat pipe internal diameter is 18mm, and external diameter is 26mm, and height is 68mm; The length at described hook angle is 1mm, height is 3mm.
The aperture of described temperature sensor fixing hole is 2mm.
Described container 8 is iron cylindrical container; The material of described high-temperature-resistant thermal-insulation layer 6 is alumina silicate fibre blanket or rock cotton board.
The present embodiment lithium ion battery thermal runaway experimental provision is applicable to the thermal runaway experiment of 18650 type lithium ion batteries.
Before experiment, measured the voltage of lithium ion battery to be measured by universal meter; Be connected with proving installation, data acquisition and processing system by lithium ion battery thermal runaway experimental provision, experimentally condition is optionally connected with electric heater unit, charging device, electric discharge device, checks the circuit of various parts, and guarantees to connect well.During experiment, be embedded into by lithium ion battery to be measured in lithium ion battery mounting hole, temperature sensor embeds in temperature sensor fixing hole, opens temperature acquisition software, checks that whether each passage is in running order, waiting signal; Then, experimentally condition, correspondingly sets electrical heating power, the size of current of charging device, the resistance sizes of electric discharge device; Finally, open data acquisition software and start image data, by temperature sensor measurement temperature signal, and by signal transmission to data collecting instrument, carry out the collection of data, process and analysis.Under can realizing constant (non-constant) heating power condition, lithium ion battery thermal runaway is tested, high magnification charging (electric discharge) lithium ion battery thermal runaway experiment under normal temperature environment, high magnification charging (electric discharge) lithium ion battery thermal runaway experiment under hot environment.
By changing the material of high-temperature-resistant thermal-insulation layer in experimental provision, under can realizing different radiating condition, lithium ion battery thermal runaway is tested.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art and is realized.
Claims (9)
1. a lithium ion battery thermal runaway experimental provision, is characterized in that it comprises heat pipe and heat-insulation system; Described heat pipe outer wall is wound around resistance wire, and described heat pipe is embedded in heat-insulation system, and heat pipe inner chamber forms lithium ion battery mounting hole for installing lithium ion battery to be measured, and described heat pipe top is provided with temperature sensor fixing hole; Described heat-insulation system is made up of the high-temperature-resistant thermal-insulation layer in container and container.
2. lithium ion battery thermal runaway experimental provision according to claim 1, is characterized in that being provided with resistance wire stationary installation outside described resistance wire.
3. lithium ion battery thermal runaway experimental provision according to claim 2, is characterized in that described resistance wire stationary installation is made up outside resistance wire of high temperature resistant adhesive plaster uniform winding.
4. lithium ion battery thermal runaway experimental provision according to claim 1, is characterized in that described resistance wire is provided with resistance wire access point in heat pipe upper end, is provided with resistance wire picks out a little in heat pipe lower end.
5. lithium ion battery thermal runaway experimental provision according to claim 1, it is characterized in that described heat pipe intracavity bottom is provided with and hook angle, the profile of described heat pipe inner chamber is convex-down.
6. lithium ion battery thermal runaway experimental provision according to claim 5, it is characterized in that described heat pipe internal diameter is 18mm, external diameter is 26mm, and height is 68mm; The length at described hook angle is 1mm, height is 3mm.
7. lithium ion battery thermal runaway experimental provision according to claim 1, is characterized in that described heat pipe is copper pipe.
8. lithium ion battery thermal runaway experimental provision according to claim 1, is characterized in that the aperture of described temperature sensor fixing hole is 2mm.
9. lithium ion battery thermal runaway experimental provision according to claim 1, is characterized in that described container is iron cylindrical container; The material of described high-temperature-resistant thermal-insulation layer is alumina silicate fibre blanket or rock cotton board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741048.3U CN204203436U (en) | 2014-11-28 | 2014-11-28 | Lithium ion battery thermal runaway experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741048.3U CN204203436U (en) | 2014-11-28 | 2014-11-28 | Lithium ion battery thermal runaway experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204203436U true CN204203436U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420741048.3U Expired - Fee Related CN204203436U (en) | 2014-11-28 | 2014-11-28 | Lithium ion battery thermal runaway experimental provision |
Country Status (1)
| Country | Link |
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| CN (1) | CN204203436U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154179A (en) * | 2016-08-17 | 2016-11-23 | 芜湖凯尔电气科技有限公司 | High-temperature battery charge and discharge electric detection means |
| CN106646257A (en) * | 2016-12-22 | 2017-05-10 | 国联汽车动力电池研究院有限责任公司 | Testing platform and testing method for detecting thermal runaway diffusion of lithium ion battery |
| CN108376812A (en) * | 2018-04-26 | 2018-08-07 | 桂林电子科技大学 | Battery thermal runaway spreads simulator |
| CN108828457A (en) * | 2018-07-27 | 2018-11-16 | 清华大学 | Battery thermal runaway experimental provision and its system |
| CN110261787A (en) * | 2019-07-09 | 2019-09-20 | 哈尔滨工业大学 | A kind of optimum heating power method selected when cylinder ternary lithium ion battery thermal runaway test |
| CN110509555A (en) * | 2019-09-03 | 2019-11-29 | 四川大学 | A kind of 3D printer wire rod fast-drying device |
| US11201358B1 (en) | 2018-05-08 | 2021-12-14 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Systems and methods for measuring a heat response of a battery cell in thermal runaway |
| US11387507B2 (en) | 2017-01-19 | 2022-07-12 | National Research Council Of Canada | Apparatus and method for initiating thermal runaway in a battery |
-
2014
- 2014-11-28 CN CN201420741048.3U patent/CN204203436U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154179A (en) * | 2016-08-17 | 2016-11-23 | 芜湖凯尔电气科技有限公司 | High-temperature battery charge and discharge electric detection means |
| CN106646257A (en) * | 2016-12-22 | 2017-05-10 | 国联汽车动力电池研究院有限责任公司 | Testing platform and testing method for detecting thermal runaway diffusion of lithium ion battery |
| CN106646257B (en) * | 2016-12-22 | 2019-07-02 | 国联汽车动力电池研究院有限责任公司 | A kind of test platform and test method of the diffusion of detection lithium ion battery thermal runaway |
| US11387507B2 (en) | 2017-01-19 | 2022-07-12 | National Research Council Of Canada | Apparatus and method for initiating thermal runaway in a battery |
| CN108376812A (en) * | 2018-04-26 | 2018-08-07 | 桂林电子科技大学 | Battery thermal runaway spreads simulator |
| US11201358B1 (en) | 2018-05-08 | 2021-12-14 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Systems and methods for measuring a heat response of a battery cell in thermal runaway |
| CN108828457A (en) * | 2018-07-27 | 2018-11-16 | 清华大学 | Battery thermal runaway experimental provision and its system |
| CN110261787A (en) * | 2019-07-09 | 2019-09-20 | 哈尔滨工业大学 | A kind of optimum heating power method selected when cylinder ternary lithium ion battery thermal runaway test |
| CN110509555A (en) * | 2019-09-03 | 2019-11-29 | 四川大学 | A kind of 3D printer wire rod fast-drying device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20181128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |