CN108808069A - A kind of deep-sea pressure resistance lithium ion battery - Google Patents
A kind of deep-sea pressure resistance lithium ion battery Download PDFInfo
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- CN108808069A CN108808069A CN201810654497.7A CN201810654497A CN108808069A CN 108808069 A CN108808069 A CN 108808069A CN 201810654497 A CN201810654497 A CN 201810654497A CN 108808069 A CN108808069 A CN 108808069A
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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
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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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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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of deep-sea pressure resistance lithium ion batteries, including：Upper cover, sealing rubber ring, center, pull rod, pressing plate one, bottom cover, battery unit, management system, pressing plate two, the pressing plate one is socketed with the bottom cover, the bottom cover groove is equipped with the management system, the management system is fixed on the bottom cover groove by the pressing plate two, the bottom cover is tightly connected by the sealing rubber ring and the center, the battery unit is equipped in the center, the battery unit connect the center with the management system and is fixedly connected with the pressing plate two by the sealing rubber ring, the upper cover is tightly connected by the sealing rubber ring and the center, the pull rod is fixedly connected through the bottom cover with the center with the upper cover.Advantages of the present invention：Can power conveniently be provided for big depth underwater aircraft, and the working condition of battery module can be monitored in real time.
Description
Technical field
The present invention relates to a kind of lithium ion power battery technology fields, especially can be big depth underwater aircraft or its
His underwater equipment provides the lithium ion battery of power resources, specifically a kind of deep-sea pressure resistance lithium ion battery.
Background technology
Into 21 century later, the predicament of land resources exploitation totally gradually highlights, in order to solve this problem, the mankind
Sight has been aimed at and has been stored at the abundant seabed resources of seabed 1000m to 6000m such as：Polymetallic nodules, submarine hydrothermal solution vulcanization
Object mine, gas hydrate etc..Efficiently, rapidly find out that Mining area resources just have to rely on deep-sea in order to go deep into deep seafloor
Vehicle technology, big depth underwater aircraft are exactly one of one of those indispensable high technology equipment.
Submarine navigation device is since big with scope of activities, maneuverability is strong, hidden ability is strong, good environmental adaptability, safety
The advantages such as degree of intelligence height, sexual valence ratio height, therefore all play important role in the development of the national economy and military field.
However, due to the particularity of submarine navigation device use environment, battery becomes the sole power energy of its underwater operation.
For mainly having for underwater row device power battery：Lead-acid battery, zinc-silver oxide cell, lithium ion battery, hydrogen-oxygen fuel cell, dissolved oxygen
Seawater battery, aluminium/hydrogen peroxide semi-fuel cell.Although lead-acid battery technology maturation, it is of low cost, can high power discharge, voltage
Steadily, the features such as safety is good, but it than energy bottom, only 30-40Wh/kg, present underwater navigation far can not be met
The demand of device；Smee cell can be large current discharge, but due to silver to be consumed, so cost is higher.Hydrogen-oxygen fuel cell has energy
Metric density is high, without charging, fuel supplement is rapid, can work long hours the features such as, but system is sufficiently complex, in addition to battery pack
Outside, it is necessary to have hydrogen storage and transport system, oxygen storage and transport system, Control management system etc., this is resulted in entirely
The ratio energy of system is relatively low；On the other hand, there are larger security risks for the storage and use of hydrogen.Dissolved oxygen seawater battery ratio
It is energy height, long lifespan, at low cost, safe and reliable, but since the concentration of Dissolved Oxygen in Seawater is relatively low, seawater dissolved oxygen battery
Output power is smaller, is only applicable to low-power, long voyage submarine navigation device or for the small-power instrument and equipment etc. in aircraft
Power is provided, its extensive use on high-power submarine navigation device is limited.Lithium ion battery is with higher than energy, monomer is electric
The operating voltage in pond is high, the advantages that having extended cycle life, is without memory, self discharge is small, is currently that submarine navigation device master is to be used
One of battery.
For big depth underwater aircraft, if using closed structure, just need to increase thickness of shell
Bearing requirements could be met, the dead weight of aircraft is thus increased, reduce payload.So navigating for big depth underwater
Row device generally all makes permeable structure.When aircraft shell is permeable shell, setting including battery inside aircraft
It is standby to be required for bearing prodigious hydrostatic pressure.Simultaneously as abyssal environment is more severe, it is necessary to electricity inside monitoring aircraft in real time
The working condition of pond module avoids that accident occurs.So for this aircraft battery to work under big depth environment, it must
It must ensure that it has preferable bearing capacity, while its working condition can also be monitored in real time.
Invention content
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides a kind of deep-sea pressure resistance lithium ion battery, Neng Gouyou
Effect is that big depth underwater aircraft provides power, and can monitor the working condition of the battery module in real time.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of deep-sea pressure resistance lithium ion battery, including：Upper cover, sealing rubber ring, center, pull rod, pressing plate one, bottom cover, electricity
Pool unit, management system, pressing plate two, the pressing plate one are socketed with the bottom cover, and the bottom cover groove is equipped with the management
System, the management system are fixed on the bottom cover groove by the pressing plate two, and the bottom cover passes through the sealing rubber ring
It being tightly connected with the center, the battery unit is equipped in the center, the battery unit is connect with the management system,
The center side is equipped with pressure regulator valve and air bleeding valve, and the pressure regulator valve is separately connected the battery unit with air bleeding valve, in described
Frame is fixedly connected by the sealing rubber ring with the pressing plate two, and the upper cover passes through the sealing rubber ring and the center
It is tightly connected, the pull rod is fixedly connected through the bottom cover with the center with the upper cover, and the upper cover side is set respectively
There are charge and discharge electrical interface and the communication interface, the charge and discharge electrical interface to connect the battery unit, the communication interface connects institute
State management system.
To further description of the present invention, the fluid being used cooperatively with the pressure regulator valve is equipped in the battery unit.
To further description of the present invention, the pressure regulator valve is check valve, and core is a soft rubber cap.
To further description of the present invention, the management system is by module temperature collecting unit, parallel module voltage acquisition
Unit, total voltage/current acquisition unit, battery pack balancing unit, communication unit, charging control unit and power supply unit composition.
To further description of the present invention, the module temperature collecting unit is made of temperature sensor and switching circuit,
Temperature sensor is separately mounted in parallel module voltage acquisition unit, and data is uploaded to main control unit.
To further description of the present invention, the parallel module voltage acquisition unit is by wave filtering circuit, dedicated processes
Chip forms, and detects parallel module voltage acquisition unit state and provides reference for battery pack balancing, data will be real-time
It is uploaded to main control unit.
To further description of the present invention, the total voltage/current acquisition unit is by wave filtering circuit, dedicated processes core
Piece forms, and data are uploaded to main control unit in real time.
To further description of the present invention, the battery module balanced unit is made of control circuit and arresting element, should
The balanced way of battery module is passive balanced, and balanced unit is used cooperatively with parallel module voltage acquisition unit.
To further description of the present invention, the charging control unit is made of driving circuit and switching device.
To further description of the present invention, the main control unit is mainly made of MCU, MCU to judge or upload more than
The data that unit is obtained, and the state current to battery module is identified.
Compared with prior art, advantages of the present invention：Can power conveniently be provided for big depth underwater aircraft,
And the working condition of battery module can be monitored in real time.
Description of the drawings
Fig. 1 is the overall pattern of the lithium ionic cell module of the present invention；
Fig. 2 is the lithium ionic cell module internal structure chart of the present invention；
Fig. 3 is the middle frame structure figure of the placement lithium ionic cell unit of the present invention；
Fig. 4 is the upper cover figure of the lithium ionic cell module of the present invention；
Fig. 5 is the bottom cover figure of the battery module of the present invention；
The management system structure diagram of Fig. 6 present invention.
Reference numeral：1- upper covers, 2- rubber rings, 3- centers, 4 pull rods, 5- pressing plates one, 6- bottom covers, 7- pressure regulator valves, 8- exhausts
Valve, 9- charge and discharges electrical interface, 10- communication interfaces, 11- battery units, 12- management system, 13- pressing plates two.
Specific implementation mode
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without creative efforts, belongs to the present invention
The range of protection.
Embodiment 1, as shown in Figures 1 to 6：
A kind of deep-sea pressure resistance lithium ion battery, including：Upper cover 1, sealing rubber ring 2, center 3, pull rod 4, pressing plate 1, bottom
Lid 6, battery unit 11, management system 12, pressing plate 2 13, pressing plate 1 are socketed with bottom cover 6, and 6 groove of bottom cover is equipped with management system
12, management system 12 is fixed on 6 groove of bottom cover by pressing plate 2 13, and bottom cover 6 is connected by sealing rubber ring 2 and the sealing of center 3
It connects, battery unit 12 is equipped in center 3, battery unit 12 is connect with management system 12, and 3 side of center is equipped with pressure regulator valve 7 and row
Air valve 8, pressure regulator valve 7 are separately connected battery unit 11 with air bleeding valve 8, and center 3 is fixed by sealing rubber ring 2 and pressing plate 2 13 to be connected
It connecing, upper cover 1 is tightly connected by sealing rubber ring 2 and center 3, and pull rod 4 is fixedly connected through bottom cover 6 with center 3 with upper cover 1,
1 side of upper cover is respectively equipped with charge and discharge electrical interface 9 and communication interface 10, and charge and discharge electrical interface 9 connects battery unit 12, communication interface 10
Connection management system 12.
The fluid being used cooperatively with pressure regulator valve 7 is equipped in battery unit 12.
Pressure regulator valve 7 is check valve, and core is a soft rubber cap.
Management system 12 is by module temperature collecting unit, parallel module voltage acquisition unit, total voltage/current acquisition list
Member, battery pack balancing unit, communication unit, charging control unit and power supply unit composition.
Module temperature collecting unit is made of temperature sensor and switching circuit, and temperature sensor is separately mounted to and gang mould
In block, to detect its internal temperature, and data are uploaded to main control unit, for assessing parallel module state.
Parallel module voltage acquisition unit is made of wave filtering circuit, dedicated processes chip.The unit is detecting simultaneously
Join module voltage, which provides reference mainly for detection of parallel module state and for battery pack balancing, and data will be by
It is uploaded to main control unit in real time.
Total voltage/current acquisition unit is made of wave filtering circuit, dedicated processes chip, and the unit is to monitoring cell
Total voltage/electric current of module output port, and the data are uploaded to main control unit in real time, which is mainly used for judging battery
Module integrality.
Battery module balanced unit is made of circuit processed and arresting element, and the balanced way of the battery module is passive equal
Weighing apparatus, balanced unit is used cooperatively with parallel module voltage acquisition unit, when work, parallel module by voltage higher than average value and
Discharge resistance connects, and extra energy is bled off in the form of thermal energy, to reduce the capacity volume variance between each parallel module.
Charging control unit is made of driving circuit and switching device, is mainly used for open or close charge circuit, is being filled
In electric process, if when parallel module overvoltage, temperature occurs beyond normal condition, overcurrent, control unit will send and control
Signal, cut-out charge circuit is to ensure battery pack safety.
Main control unit is mainly made of MCU, and MCU is to judge or upload the data that the above unit is obtained, and to battery
The current state of module is identified.
In the present embodiment, when above-mentioned battery module (battery unit 11, management system 12) needs charging using special
Charger is coupled by charge and discharge electrical interface 9, communication interface 10, opens charging equipment switch, setting charging voltage, electric current number
According to it is to charge to battery module (battery unit 11, management system 12) to open output switch after confirmation, when management system 12
When detecting that the voltage of some parallel module is more than limitation voltage, charger disconnects charge circuit, and management system 12 is same
When disconnect battery module charge inside circuit, accomplish duplicate protection, charger can send out sound-light alarm at the end of charging；When
Battery module (battery unit 11, management system 12) occurs in charging process, and temperature is excessively high, electric current is excessive, charging voltage is excessively high
When situation, the same dual protection mechanism that triggers is to ensure safety, and when being abnormal, charger can be sent out different from battery module
The sound-light alarm that (battery unit 11, management system 12) is full of.Battery module (battery unit 11, management system 12) was charging
Cheng Zhong, if the voltage difference between each parallel module is more than the initiation value of management default, balanced mode starts, and passes through electric discharge
Mode makes the voltage of each parallel module reach consistent, which contributes to battery module to extend the service life and make battery module abundant
It is full of.
Battery module is after installing to product during normal use, and (battery unit 11 manages system to above-mentioned battery module
12) it is in discharge condition, battery status data can be uploaded to bus by management system 12 in real time, so that host equipment is read；?
During use, if there is overheat, overcurrent, parallel module electric voltage exception etc. in battery module (battery unit 11, management system 12)
When situation, management system can send abnormality by CAN protocol to bus.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of deep-sea pressure resistance lithium ion battery, including：Upper cover (1), sealing rubber ring (2), center (3), pull rod (4), pressing plate
One (5), bottom cover (6), battery unit (11), management system (12), pressing plate two (13), which is characterized in that the pressing plate one (5) with
Bottom cover (6) socket, bottom cover (6) groove are equipped with the management system (12), and the management system (12) passes through institute
State pressing plate two (13) and be fixed on the bottom cover (6) groove, the bottom cover (6) by the sealing rubber ring (2) with it is described in
Frame (3) is tightly connected, and the battery unit (12) is equipped in the center (3), and the battery unit (12) is with the management
System (12) connection, center (3) side are equipped with pressure regulator valve (7) and air bleeding valve (8), and the pressure regulator valve (7) is divided with air bleeding valve (8)
The battery unit (11) is not connected, and the center (3) connects by the way that the sealing rubber ring (2) and the pressing plate two (13) are fixed
It connects, the upper cover (1) is tightly connected by the sealing rubber ring (2) and the center (3), and the pull rod (4) is through described
Bottom cover (6) is fixedly connected with the center (3) with the upper cover (1), and upper cover (1) side is respectively equipped with charge and discharge electrical interface
(9) and the communication interface (10), the charge and discharge electrical interface (9) connect the battery unit (12), the communication interface (10)
Connect the management system (12).
2. a kind of deep-sea pressure resistance lithium ion battery according to claim 1, which is characterized in that in the battery unit (12)
Equipped with the fluid being used cooperatively with the pressure regulator valve (7).
3. a kind of deep-sea pressure resistance lithium ion battery according to claim 1, which is characterized in that the pressure regulator valve (7) is single
To valve, core is a soft rubber cap.
4. a kind of deep-sea pressure resistance lithium ion battery according to claim 1, which is characterized in that the management system (12) by
Module temperature collecting unit, parallel module voltage acquisition unit, total voltage/current acquisition unit, battery pack balancing unit, communication
Unit, charging control unit and power supply unit composition.
5. a kind of deep-sea pressure resistance lithium ion battery according to claim 5, which is characterized in that the module temperature acquisition is single
Member is made of temperature sensor and switching circuit, and temperature sensor is separately mounted in parallel module voltage acquisition unit, and will
Data are uploaded to main control unit.
6. a kind of deep-sea pressure resistance lithium ion battery according to claim 5, which is characterized in that the parallel module voltage is adopted
Collection unit be made of wave filtering circuit, dedicated processes chip, detect parallel module voltage acquisition unit state and be battery
Group is balanced to provide reference, and data will be uploaded to main control unit in real time.
7. a kind of deep-sea pressure resistance lithium ion battery according to claim 5, which is characterized in that the total voltage/electric current is adopted
Collection unit is formed by wave filtering circuit, dedicated processes chip, and data is uploaded to main control unit in real time.
8. a kind of deep-sea pressure resistance lithium ion battery according to claim 5, which is characterized in that the battery module is balanced single
Member is made of control circuit and arresting element, and the balanced way of the battery module is passive balanced, balanced unit and parallel module
Voltage acquisition unit is used cooperatively.
9. a kind of deep-sea pressure resistance lithium ion battery according to claim 5, which is characterized in that the charging control unit by
Driving circuit and switching device composition.
10. a kind of deep-sea pressure resistance lithium ion battery according to claim 5, which is characterized in that the main control unit is main
It is made of MCU, MCU is to judge or upload the data that the above unit is obtained, and the state current to battery module is known
Not.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810654497.7A CN108808069B (en) | 2018-06-22 | 2018-06-22 | Deep-sea voltage-resistant lithium ion battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654497.7A CN108808069B (en) | 2018-06-22 | 2018-06-22 | Deep-sea voltage-resistant lithium ion battery |
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| CN108808069A true CN108808069A (en) | 2018-11-13 |
| CN108808069B CN108808069B (en) | 2021-05-07 |
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|---|---|---|---|---|
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| JPH1116595A (en) * | 1997-06-24 | 1999-01-22 | Japan Storage Battery Co Ltd | Pressure-resisting battery |
| US20100136402A1 (en) * | 2009-04-22 | 2010-06-03 | Tesla Motors, Inc. | Sealed battery enclosure |
| CN101834457B (en) * | 2010-04-30 | 2012-11-07 | 重庆长安汽车股份有限公司 | Lithium battery management system |
| CN202977548U (en) * | 2012-12-11 | 2013-06-05 | 海特电子集团有限公司 | Deepwater lithium ion battery with pressure-proof structure |
| CN103208828A (en) * | 2012-01-17 | 2013-07-17 | 中国科学院广州能源研究所 | Management system for serial connected battery packs |
| CN103325965A (en) * | 2013-06-26 | 2013-09-25 | 北京先驱高技术开发公司 | Deep-sea high-power lithium battery device and manufacturing method thereof |
| CN203398228U (en) * | 2013-07-08 | 2014-01-15 | 厦门太和动力电源科技有限公司 | Watertight polymer lithium battery for large-depth underwater pressure-bearing structure |
| CN106328835A (en) * | 2016-09-29 | 2017-01-11 | 中国科学院青岛生物能源与过程研究所 | Deep-sea pressure-resistant polymer solid-state lithium-ion power battery |
| CN106654107A (en) * | 2017-02-14 | 2017-05-10 | 熊学军 | Pressure-proof heat preservation battery compartment |
-
2018
- 2018-06-22 CN CN201810654497.7A patent/CN108808069B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087590A (en) * | 1977-05-04 | 1978-05-02 | The United States Of America As Represented By The Secretary Of The Navy | Pressure-equalized electrochemical battery system |
| JPH1116595A (en) * | 1997-06-24 | 1999-01-22 | Japan Storage Battery Co Ltd | Pressure-resisting battery |
| US20100136402A1 (en) * | 2009-04-22 | 2010-06-03 | Tesla Motors, Inc. | Sealed battery enclosure |
| CN101834457B (en) * | 2010-04-30 | 2012-11-07 | 重庆长安汽车股份有限公司 | Lithium battery management system |
| CN103208828A (en) * | 2012-01-17 | 2013-07-17 | 中国科学院广州能源研究所 | Management system for serial connected battery packs |
| CN202977548U (en) * | 2012-12-11 | 2013-06-05 | 海特电子集团有限公司 | Deepwater lithium ion battery with pressure-proof structure |
| CN103325965A (en) * | 2013-06-26 | 2013-09-25 | 北京先驱高技术开发公司 | Deep-sea high-power lithium battery device and manufacturing method thereof |
| CN203398228U (en) * | 2013-07-08 | 2014-01-15 | 厦门太和动力电源科技有限公司 | Watertight polymer lithium battery for large-depth underwater pressure-bearing structure |
| CN106328835A (en) * | 2016-09-29 | 2017-01-11 | 中国科学院青岛生物能源与过程研究所 | Deep-sea pressure-resistant polymer solid-state lithium-ion power battery |
| CN106654107A (en) * | 2017-02-14 | 2017-05-10 | 熊学军 | Pressure-proof heat preservation battery compartment |
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| Publication number | Publication date |
|---|---|
| CN108808069B (en) | 2021-05-07 |
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Effective date of registration: 20220216 Address after: 710076 No. 209, Keji 4th Road, high tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Meitai Navigation Technology Co.,Ltd. Address before: 710000 No. 127 Youyi West Road, Shaanxi, Xi'an Patentee before: Northwestern Polytechnical University |
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