CN207732029U - A kind of heat safe battery - Google Patents
A kind of heat safe battery Download PDFInfo
- Publication number
- CN207732029U CN207732029U CN201721860466.4U CN201721860466U CN207732029U CN 207732029 U CN207732029 U CN 207732029U CN 201721860466 U CN201721860466 U CN 201721860466U CN 207732029 U CN207732029 U CN 207732029U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- anode
- cathode
- negative electrode
- coating layer
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a kind of heat safe battery, including shell, it is formed with seal cavity in the shell, electrolyte is filled in the seal cavity, the anode of double spread positive active material coating layer and the cathode of double spread negative electrode active material coating layer are additionally provided in the seal cavity, diaphragm is equipped between the positive electrode and negative electrode, it is equipped with one first diaphragm between the seal cavity madial wall and the anode and cathode, the diaphragm is electrically connected for completely cutting off the positive electrode and negative electrode and the shell with anode and cathode with the first diaphragm, the electrolyte, anode, cathode, diaphragm and the matching of the first diaphragm constitute the quasi core of battery；Further include outwardly extending anode ear and negative electrode lug from the inside of the seal cavity, and the anode ear and negative electrode lug are electrically connected with the anode and cathode respectively.The high temperature resistant battery high/low temperature of the utility model is taken into account, and high and low temperature resistance is strong.
Description
Technical field
The utility model is related to battery technology field, especially a kind of heat safe battery.
Background technology
Modern society generally uses battery, the button cell sold on the market a variety of more in people’s lives, work
Sample each has different design concepts, makes every effort to the requirement that can reach different user.Such as apply to laptop,
The electronic products such as field camera, digital camera, toy.
And battery will produce heat in charge and discharge process, and the heat accumulation generated will cause to impact to battery,
To cause cell expansion, deformation, leakage, rupture etc., when serious, electric pole short circuit can be caused and cause battery explosion and cause fire
Calamity.
Utility model content
The technical issues of solution of the utility model be for the above-mentioned prior art in existing defect, provide a kind of high
Low temperature is taken into account and improves the heat safe battery of battery high-temperature stability.
To solve above-mentioned technical problem, the technical solution that the utility model is taken is as follows:A kind of heat safe battery, including
Shell is formed with seal cavity in the shell, electrolyte is filled in the seal cavity, is additionally provided in the seal cavity double
Face be coated with positive active material coating layer anode and double spread negative electrode active material coating layer cathode, it is described anode with it is negative
Be equipped with diaphragm between pole, one first diaphragm be equipped between the seal cavity madial wall and the anode and cathode, it is described every
Film and the first diaphragm are electrically connected for completely cutting off the positive electrode and negative electrode and the shell with positive and cathode, the electrolyte, just
Pole, cathode, diaphragm and the matching of the first diaphragm constitute the quasi core of battery；Further include outwardly extending just from seal cavity inside
Lug and negative electrode lug, and the anode ear and negative electrode lug are electrically connected with the anode and cathode respectively.
It is expanded on further as to above-mentioned technical proposal：
In the above-mentioned technical solutions, the diaphragm and the first diaphragm are single layer PE polyethylene composite three-layers PP polyacrylic
Diaphragm.
In the above-mentioned technical solutions, it is coated on the diaphragm and the first diaphragm and is useful for enhancing puncture resistant and hot melt
Ceramic layer.
In the above-mentioned technical solutions, described just extremely aluminium foil is positive, and the double spread of aluminium foil anode is just
Pole active material coating layer is cobalt acid lithium coating layer, LiMn2O4 coating layer and LiFePO4 coating layer one of which.
In the above-mentioned technical solutions, the cathode is copper foil cathode, and the cathode of the double spread of the copper foil cathode is lived
Property substance coating layer be lithium titanate coating layer and graphite coating layer one of which.
In the above-mentioned technical solutions, the anode ear is aluminium strip anode ear, and the negative electrode lug is nickel strap negative electrode lug.
In the above-mentioned technical solutions, the shell is aluminum plastic membrane shell.
Compared with prior art, the beneficial effects of the utility model are:The battery structure reasonable design of the utility model,
Ingenious to separate anode, cathode and shell by diaphragm, isolation anode, cathode and shell are electrically connected, and use higher boiling simultaneously
Solvent, high temperature additive electrolyte be filled in the seal cavity made of aluminum plastic film, improve the high-temperature stability of battery, make
The battery heat-resisting quantity of the utility model is strong.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the hierarchical structure of the utility model battery.
In figure, 1. shells, 2. anodes, 3. cathode, 4. diaphragms, 5. first diaphragms, 6. anode ears, 7. negative electrode lugs, 101. is close
Seal cavity.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
The embodiment described by reference to attached drawing is exemplary, it is intended to for explaining the application, and should not be understood as pair
The limitation of the application.In the description of the present application, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ",
" width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
It is described convenient for description the application and simplifying, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second "
It is used for description purposes only, is not understood to indicate or imply relative importance or implicitly indicates indicated technical characteristic
Quantity.Thus, define " first ", the feature of " second " can explicitly or implicitly include one or more spy
Sign.In the description of the present application, " several ", the meaning of " plurality " is two or more, unless otherwise clearly specific
It limits.Unless otherwise clearly defined and limited, in this application, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, such as, it may be a fixed connection, may be a detachable connection, or be integrally connected；Can be machinery
Connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two elements
Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the application as the case may be
In concrete meaning.Unless otherwise clearly defined and limited, in this application, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.And fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature right over second feature and oblique upper, or only
Indicate that fisrt feature level height is less than second feature
A kind of 1 example of attached drawing specific embodiment of the utility model high temperature resistant battery, it is resistance to that attached drawing is only schematically molded this
High-temperature battery, specifically, it includes shell 1, in the present embodiment, the shell 1 is aluminum plastic membrane shell, and is actually preparing electricity
During pond, battery quasi core (battery core) is protected for plaing a part of, seal cavity 101 is formed in the shell 1, it is in practice, close
Envelope cavity 101 is molded with by cutting, folding and sealing sheet aluminum plastic film, filled with electrolysis in the seal cavity 101
Liquid, the electrolyte for this high temperature resistant battery include electrolyte and solvent, and the electrolyte is lithium salts, a concentration of 1.1~
1.2mol/L, the solvent as mass fraction include 15%~20% ethylene carbonate, 50%~60% methyl ethyl carbonate,
8%~15% propene carbonate, 8%~15% diethyl carbonate, this electrolyte have high boiling solvent, high temperature additive and spy
Different lithium salts is arranged in pairs or groups by high-temperature electrolyte of lithium ion battery and the electrolysis liquid phase with high-low temperature resistant, is reached and is promoted the resistance to height of battery
The characteristic of temperature；Anode 2 and the double spread that double spread positive active material coating layer is additionally provided in the seal cavity 101 are negative
The cathode 3 of pole active material coating layer, in the present embodiment, described positive 2 is positive for aluminium foil, and the aluminium foil anode 2
Double spread positive active material coating layer be cobalt acid lithium coating layer, LiMn2O4 coating layer and LiFePO4 coating layer wherein
One kind, and the cathode 3 is copper foil cathode, and the negative electrode active material coating layer of the double spread of the copper foil cathode is metatitanic acid
Lithium coating layer and graphite coating layer one of which；Diaphragm 4 is equipped between described positive 2 and cathode 3, in the seal cavity 101
It is described for completely cutting off that one first diaphragm 5, the diaphragm 4 and the first diaphragm 4 are equipped between side wall and described positive 2 and cathode 3
Anode 2 is electrically connected with cathode 3 and the shell 1 with anode 2 and cathode 3, in the present embodiment, the diaphragm 4 and the first diaphragm 5
It is the polyacrylic diaphragms of single layer PE polyethylene composite three-layer PP, and is coated on the diaphragm 4 and the first diaphragm 5 and is useful for increasing
The ceramic layer (attached drawing does not identify) of strong puncture resistant and hot melt, the electrolyte, anode 2, cathode 3, diaphragm 4 and the first diaphragm 5
Matching constitutes the quasi core (battery core) of the battery；The high temperature resistant battery further includes from epitaxial lateral overgrowth in the seal cavity 101
The anode ear 6 and negative electrode lug 7 stretched, and the anode ear 6 and negative electrode lug 7 are electrically connected with described positive 2 and cathode 3 respectively, at this
In embodiment, the anode ear 6 is aluminium strip anode ear, and the negative electrode lug 7 is nickel strap negative electrode lug, and the anode ear 6 and cathode
For battery to be electrically connected with external power supply/electrical equipment, matching charge/power ear 7.
The battery structure reasonable design of the present embodiment, it is ingenious by anode 2, cathode 3 and shell 1 by diaphragm 4 and first every
Film 5 separates, and isolation anode 2, cathode 3 and shell 1 are electrically connected, and simultaneously using high boiling solvent, the electrolyte of high temperature additive
It is filled in the seal cavity 101 made of aluminum plastic film, improves the high-temperature stability of battery, make the battery high temperature resistant of the present embodiment
Property is strong.
Do not limit the technical scope of the present invention above, it is all according to the utility model technical spirit to
On embodiment made by any modification, equivalent variations and modification, in the range of still falling within the technical solution of the utility model.
Claims (7)
1. a kind of heat safe battery, it is characterised in that, including shell is formed with seal cavity, the seal chamber in the shell
It is filled with electrolyte in vivo, the anode of double spread positive active material coating layer and two-sided painting are additionally provided in the seal cavity
The cathode of cloth negative electrode active material coating layer is equipped with diaphragm, the seal cavity madial wall and institute between the positive electrode and negative electrode
It states and is equipped with one first diaphragm, the diaphragm and the first diaphragm between anode and cathode for completely cutting off the positive electrode and negative electrode and institute
It states shell to be electrically connected with anode and cathode, the electrolyte, anode, cathode, diaphragm and the matching of the first diaphragm constitute the standard of battery
Core；Further include outwardly extending anode ear and negative electrode lug from the inside of the seal cavity, and the anode ear and negative electrode lug are distinguished
It is electrically connected with the anode and cathode.
2. a kind of heat safe battery according to claim 1, it is characterised in that, the diaphragm and the first diaphragm are list
The layer polyacrylic diaphragms of PE polyethylene composite three-layer PP.
3. a kind of heat safe battery according to claim 2, it is characterised in that, it is applied on the diaphragm and the first diaphragm
Cloth is useful for the ceramic layer of enhancing puncture resistant and hot melt.
4. a kind of heat safe battery according to claim 1, it is characterised in that, it is described that just extremely aluminium foil is positive, and
The positive active material coating layer of the double spread of the aluminium foil anode is cobalt acid lithium coating layer, LiMn2O4 coating layer and phosphoric acid
Iron lithium coating layer one of which.
5. a kind of heat safe battery according to claim 1, it is characterised in that, the cathode is copper foil cathode, and institute
The negative electrode active material coating layer for stating the double spread of copper foil cathode is lithium titanate coating layer and graphite coating layer one of which.
6. a kind of heat safe battery according to any one of claims 1 to 5, it is characterised in that, the anode ear is aluminium
Band anode ear, the negative electrode lug are nickel strap negative electrode lug.
7. a kind of heat safe battery according to claim 6, which is characterized in that the shell is aluminum plastic membrane shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860466.4U CN207732029U (en) | 2017-12-27 | 2017-12-27 | A kind of heat safe battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860466.4U CN207732029U (en) | 2017-12-27 | 2017-12-27 | A kind of heat safe battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207732029U true CN207732029U (en) | 2018-08-14 |
Family
ID=63087017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860466.4U Active CN207732029U (en) | 2017-12-27 | 2017-12-27 | A kind of heat safe battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207732029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638363A (en) * | 2018-12-04 | 2019-04-16 | 广州市融成锂能锂电池有限公司 | A kind of high temperature resistant ferric phosphate lithium cell |
-
2017
- 2017-12-27 CN CN201721860466.4U patent/CN207732029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638363A (en) * | 2018-12-04 | 2019-04-16 | 广州市融成锂能锂电池有限公司 | A kind of high temperature resistant ferric phosphate lithium cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109713298B (en) | Lithium ion battery and preparation method thereof | |
| CN110752401A (en) | Button cell and manufacturing method thereof | |
| CN204067500U (en) | A kind of column lithium ion battery | |
| CN106784855A (en) | A kind of unmanned plane manufacture method of high temperature modification lithium ion battery | |
| CN109768337A (en) | The chargeable button-shaped soft bag lithium ionic cell of one kind and processing method | |
| CN207818737U (en) | Battery, battery pack and automobile | |
| CN105706276B (en) | Non-aqueous electrolyte rechargeable batteries and the storage circuit for using the non-aqueous electrolyte rechargeable batteries | |
| CN102340031A (en) | Follow-up process treatment method for manufacturing battery by taking lithium titanate as cathode | |
| CN203351704U (en) | Ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing graphene coating | |
| CN110061178A (en) | Battery, battery pack and automobile | |
| CN207732029U (en) | A kind of heat safe battery | |
| CN207909939U (en) | A kind of new structural aluminum hull battery core | |
| CN207530032U (en) | A kind of lithium ion cell polar ear of high sealing liquid-leakage preventing | |
| CN109888162A (en) | Have gluing structure battery core of embedded tab and preparation method thereof and lithium battery | |
| CN206864542U (en) | A kind of 3V level lithium ion batteries based on lithium titanate anode material | |
| CN109167065A (en) | A kind of lithium ion battery and preparation method thereof | |
| CN204966576U (en) | Bipolar ear polymer high magnification battery | |
| CN111628212A (en) | Soft package lithium ion battery, manufacturing method thereof and electric device | |
| CN206059514U (en) | A kind of cuprio lithium piece negative pole poly-lithium battery | |
| CN104103853B (en) | Rechargeable battery | |
| CN207074689U (en) | Battery core and lithium battery | |
| CN106299553B (en) | A kind of lithium ion battery and preparation method thereof | |
| CN105355979A (en) | Formation method of high-voltage soft-package lithium ion secondary battery | |
| CN204696215U (en) | Mobile phone heat radiation lithium battery | |
| CN107492631A (en) | A kind of aluminum cell of no collector positive pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |