CN207868299U - A kind of battery with temperature sensor - Google Patents

A kind of battery with temperature sensor Download PDF

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Publication number
CN207868299U
CN207868299U CN201721309283.3U CN201721309283U CN207868299U CN 207868299 U CN207868299 U CN 207868299U CN 201721309283 U CN201721309283 U CN 201721309283U CN 207868299 U CN207868299 U CN 207868299U
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China
Prior art keywords
battery
temperature
temperature sensor
combination electrode
sensing device
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CN201721309283.3U
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Inventor
向晋
俞会根
黄杰
张雷
田启友
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Jiangsu Weilan New Energy Battery Co Ltd
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Beijing WeLion New Energy Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model provides a kind of battery with temperature sensor, including positive terminal, negative terminal, battery case, which is characterized in that further includes combination electrode, temperature sensing device, temperature sensing device export line;The combination electrode includes plus plate current-collecting body, positive active material, negative current collector, negative electrode active material and diaphragm;The battery carries out connection in series-parallel by a combination electrode or multiple combination electrodes and constitutes.Battery provided by the utility model with temperature sensor can really detect the actual temperature of inside battery, be conducive to the management of charging and discharging of battery, and then protect service life and the practicality safety of battery, have the characteristics that efficient, practical and safe, has wide practical use in Prospect of EVS Powered with Batteries technology.

Description

A kind of battery with temperature sensor
Technical field
The utility model is related to electric vehicle engineering field more particularly to a kind of batteries with temperature sensor.
Background technology
Currently, the power battery that electric vehicle uses mainly has lead-acid battery, Ni-MH battery, lithium ion battery and fuel electricity Four major class of pond.The advantages of lead-acid battery is that technology maturation, cost are very low, so being mainly used for low-speed electronic vehicle, electric sightseeing vehicle Equal fields, because the ratio energy of lead-acid battery is relatively low, therefore the use in electric passenger vehicle, commercial car is restricted.Ni-mh electricity The advantages of pond is that technology maturation, power density are very big, safe and reliable, is mainly used in HEV products, Prius in advance and What Insight was used is exactly Ni-MH battery;Since the self discharge of Ni-MH battery is larger, voltage is relatively low, and to result in energy density inclined It is low, so the use on electric passenger vehicle and commercial car is also restricted.Fuel cell is still in development phase at present, leads to Have been made some sample cars with international large-scale vehicle factors such as, benzs, but due to hydrogen storage technology, substitute noble metal catalyst skill The limitation of art and dielectric film technology, fuel cell are difficult to be commercialized at no distant date.Have benefited from higher energy density and electric discharge Voltage, lithium ion battery are current electric passenger vehicle and the mainstream applications product of commercial car, but the energy of the anti-abuse of lithium ion battery Power is poor, and especially lithium ion battery is easy to happen thermal runaway.In addition, lithium ion battery is more sensitive to environment temperature, it is different At a temperature of the charge-discharge performance that allows differ greatly, abuse can influence the service life even safety of battery, therefore, in lithium ion battery Use during need to be monitored the temperature of battery in real time, to ensure the normal work of battery.
For the monitoring temperature of lithium ion battery, solution commonly used in the prior art is on the surface of li battery shell Temperature sensor, 101907497 B of Chinese patent Granted publication file CN is disposed to propose a kind of temperature sensing of resin-encapsulated Device is installed, and the two sides in resin-encapsulated portion are mutually inclined along the peripheral surface of two opposite cylindric measuring object, thus It is easy to determine position of the resin encapsulation part between two cylindric measuring object, and heat is from the tree that can be contacted into line width The both sides of fat encapsulation part are conducted towards cylindric measuring object, thus allow for high-precision temperature measuring.However, due to Above-mentioned monitoring temperature mode is still that temperature sensor is pasted on to the surface of battery, and measurement is affected by environment temperature, with The actual temperature of inside battery has differences.
Utility model content
For problem above existing in the prior art, the purpose of this utility model is to provide one kind to have efficiently, in fact With the battery with temperature sensor with safety, it can really detect the actual temperature of inside battery, be conducive to the charge and discharge of battery Fulgurite is managed, and then ensures service life and the practicality safety of battery.
To achieve the goals above, the utility model is using technical solution in detail below:
The utility model provides a kind of battery with temperature sensor, including positive terminal, negative terminal, battery case, It is characterized in that, further including combination electrode, temperature sensing device, temperature sensing device export line;The combination electrode includes just Pole collector, positive active material, negative current collector, negative electrode active material and diaphragm;The battery includes a combination electrode Or multiple series-parallel combination electrodes.
Further, the temperature sensing device is directly pasted on the plus plate current-collecting body or negative of outermost layer combination electrode On the collector of pole or on the plus plate current-collecting body or negative current collector of intermediate combination electrode.
Further, one end of the temperature sensing device export line and the temperature sensing inside the battery case Device is connected, and the other end is connected with the device for monitoring temperature outside the battery case.
Further, the temperature sensing device be NTC thermistor temperature sensor, ranging from -50 DEG C of measuring temperature ~ 250℃。
Further, the NTC thermistor temperature sensor includes thermistor element.
Further, the battery case is box hat or aluminum plastic film.
Further, the combination electrode is multilaminate coiled structure;The battery is cylindrical shape.
Further, the combination electrode is lamination;The battery is rectangular shape.
Further, the battery is solid state battery.
Further, the solid state battery is solid lithium battery.
The beneficial effects of the utility model are:A kind of battery with temperature sensor provided by the utility model leads to Cross inside battery be arranged temperature sensor, on the one hand can actual response inside battery temperature conditions, ensure the use of battery Service life;On the other hand, when thermal runaway occurs for inside battery, temperature anomaly can be also detected in time, and then send out early warning in time, Ensure the safe to use of battery.In short, the utility model provides a kind of completely new temperature of powered cell monitoring device, be conducive to Push the commercial application of solid state lithium battery.
Description of the drawings
Fig. 1 is the structural schematic diagram of battery of the utility model with temperature sensor;
Fig. 2 is the test result of embodiment 1;
Fig. 3 is the test result of embodiment 2.
Wherein, the reference numerals are as follows in figure:
1- combination electrodes, 2- temperature sensing devices, 3- temperature sensing devices export line, 4- positive terminals, 5- negative terminals, 6- battery cases, 7- plus plate current-collecting bodies, 8- positive active materials, 9- negative current collectors, 10- negative electrode active materials, 11- diaphragms.
Specific implementation mode
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to specific embodiment The utility model is described in further detail.It note that the embodiments described below is exemplary, be only used for explaining this Utility model, and should not be understood as limiting the present invention.
Referring to Fig.1, the battery provided by the utility model with temperature sensor includes mainly combination electrode 1, temperature sensing The parts such as device 2, temperature sensing device export line 3, positive terminal 4, negative terminal 5, battery case 6.The combination electrode 1 Including plus plate current-collecting body 7, positive active material 8, negative current collector 9, negative electrode active material 10 and diaphragm 11 etc..
According to the battery with temperature sensor that utility model provides, battery is by a combination electrode or multiple combination electrodes Carry out connection in series-parallel composition.Multilaminate coiled or lamination can be used in the combination electrode;Cell shapes are preferably cylinder or length Cube.
According to the battery with temperature sensor that utility model provides, the temperature sensing device can be that this field is common Temperature sensor, the utility model do not do specifically limited.Temperature sensing device is preferably NTC thermistor temperature sensor, Measuring temperature ranges preferably from -50 DEG C ~ 250 DEG C, and the NTC thermistor temperature sensor is provided with thermistor element, With very high temperature sensitivity, and power consumption is very low.
According to the battery with temperature sensor that utility model provides, the temperature sensing device can directly be pasted on outermost On the plus plate current-collecting body or negative current collector of layer combination electrode, it can also directly be pasted on the plus plate current-collecting body of intermediate combination electrode Or on negative current collector;It is preferred that be pasted on the plus plate current-collecting body of outermost layer combination electrode, and the utility model is to temperature sensing Specific on combination electrode of device sticks position and does not do specifically limited, can select reasonably to stick position according to actual needs It sets.
According to the battery with temperature sensor that utility model provides, one end of temperature sensing device export line 3 and battery Internal temperature sensing device 2 is connected, and the other end is connected in outside batteries with device for monitoring temperature.The device for monitoring temperature is excellent Choosing can be into the real-time display of trip temperature;And when thermal runaway occurs for inside battery, temperature anomaly, Jin Erji can be also detected in time When send out early warning, ensure the safe to use of battery.
According to the battery with temperature sensor that utility model provides, it is common that this field can be selected in the battery case 6 Material is processed, preferably box hat or aluminum plastic film.Battery case has the function of anti-wear and breakage-proof, and prevents inside battery object Matter is contacted with external environment.
According to utility model provide the battery with temperature sensor, the positive active material be cobalt acid lithium, LiMn2O4, Any one of nickel manganese material, LiFePO4, ferric phosphate, manganese dioxide, nickel cobalt manganese, nickel cobalt aluminium ternary material or sulphurous materials.
According to utility model provide the battery with temperature sensor, the negative electrode active material be lithium metal, carbon material, Any one of lithium titanate, silicon materials or tin material.
According to the battery with temperature sensor that utility model provides, the material of the diaphragm is single-layer polypropylene(PP)、 Monolayer polyethylene(PE), PP+ ceramic coateds, PE+ ceramic coateds, bilayer PP/PE, in PP/PP or three layer of PP/PE/PP of bilayer It is any.The material of diaphragm in certain the utility model may be solid-state electrolyte layer.The solid-state electrolyte layer is Any one of sulfide-based solid electrolyte, electrodeless oxide-based solid electrolyte and organic polymer species solid electrolyte; Corresponding battery provided by the utility model can be solid state battery, preferably solid lithium battery.
In order to further illustrate the utility model, with reference to embodiment to a kind of band temperature biography provided by the utility model The battery of sensor is described in detail, but they cannot be interpreted as to the restriction to scope of protection of the utility model.
The specific nickel cobalt aluminium ternary material that can be used is positive active material, and graphite is negative electrode active material, three layers of PP/PE/ PP is diaphragm material, and constitutes combination electrode using plus plate current-collecting body and negative current collector and be laminated, while 1# NTC is warm Quick resistance temperature sensor, which is pasted on the plus plate current-collecting body of outermost layer combination electrode, is made 30Ah Soft Roll plastic-aluminum film batteries.Separately Outside, 2# NTC thermistor temperature sensors are sticked in battery surface, charge-discharge test, wherein 1# NTC temperature-sensitives is carried out to battery Resistance temperature sensor and 2# NTC thermistor temperature sensors specification having the same and parameter.
Embodiment 1:
30 ± 2 DEG C of environment temperature carries out 1C discharge tests to battery, is carried out to 1# and 2# temperature sensors in discharge process The temperature of monitoring, electric discharge incipient stage 1# and 2# temperature sensor is close, is 29.6 DEG C, in discharge process, two temperature sensing Temperature difference between device is increasing, and at the end of electric discharge, the detection temperature of 1# temperature sensors is 46.3 DEG C, 2 # temperature sensing The detection temperature of device is 43.6 DEG C, differs 2.7 DEG C, test result is referring to Fig. 2.
Embodiment 2:
Environment temperature -10 ± 2 DEG C carry out 0.5C charging measurements, to 1# and 2# temperature sensors in charging process to battery It being monitored, the temperature of charging incipient stage 1# and 2# temperature sensor is close, is -8.7 DEG C, in charging process, two temperature Temperature difference between sensor is increasing, and at the end of charging, the detection temperature of 1# temperature sensors is 0.9 DEG C, 2 # temperature The detection temperature of sensor is -3.8 DEG C, differs 4.7 DEG C, test result is referring to Fig. 3.
Show that battery temperature sensing device provided by the utility model more can be true by the test result of two embodiments Temperature conditions inside reaction cell ensures the service life of battery;And with the growth of charge and discharge time, compared with prior art In temperature sensing device measured value it is more accurate.
In conclusion a kind of battery with temperature sensor provided by the utility model, by being arranged in inside battery Temperature sensor, on the one hand can actual response inside battery temperature conditions, ensure the service life of battery;On the other hand, when When thermal runaway occurs for inside battery, temperature anomaly can be also detected in time, and then send out early warning in time, ensure the use peace of battery Entirely.In short, the utility model provides a kind of completely new temperature of powered cell monitoring device, be conducive to push solid state lithium battery Commercial application.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be Mechanical connection can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments, meanwhile, for those of ordinary skill in the art, foundation The thought of the application, there will be changes in the specific implementation manner and application range.

Claims (10)

1. a kind of battery with temperature sensor, including positive terminal, negative terminal, battery case, which is characterized in that further include Combination electrode, temperature sensing device, temperature sensing device export line;The combination electrode includes plus plate current-collecting body, positive-active Substance, negative current collector, negative electrode active material and diaphragm;The battery includes a combination electrode or multiple series-parallel compound Electrode.
2. a kind of battery with temperature sensor according to claim 1, which is characterized in that the temperature sensing device is straight Connect the anode of on the plus plate current-collecting body or negative current collector for being pasted on outermost layer combination electrode or centre combination electrode On collector or negative current collector.
3. a kind of battery with temperature sensor according to claim 2, which is characterized in that the temperature sensing device is led One end of outlet is connected with the temperature sensing device inside the battery case, outside the other end and the battery case Device for monitoring temperature is connected.
4. a kind of battery with temperature sensor according to claim 3, which is characterized in that the temperature sensing device is NTC thermistor temperature sensor, ranging from -50 DEG C ~ 250 DEG C of measuring temperature.
5. a kind of battery with temperature sensor according to claim 4, which is characterized in that the NTC thermistor temperature It includes thermistor element to spend sensor.
6. a kind of battery with temperature sensor according to claim 1, which is characterized in that the battery case is box hat Or aluminum plastic film.
7. a kind of battery with temperature sensor according to claim 1, which is characterized in that the combination electrode is multilayer Winding-structure;The battery is cylindrical shape.
8. a kind of battery with temperature sensor according to claim 1, which is characterized in that the combination electrode is lamination Structure;The battery is rectangular shape.
9. a kind of battery with temperature sensor according to claim 1, which is characterized in that the battery is solid-state electricity Pond.
10. a kind of battery with temperature sensor according to claim 9, which is characterized in that the solid state battery is complete Solid state lithium battery.
CN201721309283.3U 2017-10-11 2017-10-11 A kind of battery with temperature sensor Active CN207868299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721309283.3U CN207868299U (en) 2017-10-11 2017-10-11 A kind of battery with temperature sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721309283.3U CN207868299U (en) 2017-10-11 2017-10-11 A kind of battery with temperature sensor

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111628210A (en) * 2020-04-22 2020-09-04 北京航空航天大学 Lithium ion battery supporting in-situ measurement of internal temperature of battery and manufacturing method
CN114709361A (en) * 2021-06-18 2022-07-05 宁波大学 Lithium ion battery and manufacturing method thereof
WO2023013231A1 (en) * 2021-08-05 2023-02-09 パナソニックIpマネジメント株式会社 Battery and method for manufacturing battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111628210A (en) * 2020-04-22 2020-09-04 北京航空航天大学 Lithium ion battery supporting in-situ measurement of internal temperature of battery and manufacturing method
CN114709361A (en) * 2021-06-18 2022-07-05 宁波大学 Lithium ion battery and manufacturing method thereof
WO2023013231A1 (en) * 2021-08-05 2023-02-09 パナソニックIpマネジメント株式会社 Battery and method for manufacturing battery

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Effective date of registration: 20200709

Address after: Room 215, building 218, Hongkou Road, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province

Patentee after: Jiangsu Weilan New Energy Battery Co., Ltd

Address before: 100008 building 32, Chuang Zhong Road, Haidian District, Beijing 32-1-1-565

Patentee before: BEIJING WELION NEW ENERGY TECHNOLOGY Co.,Ltd.