CN206532834U - A kind of safety-type lithium battery - Google Patents
A kind of safety-type lithium battery Download PDFInfo
- Publication number
- CN206532834U CN206532834U CN201720086455.9U CN201720086455U CN206532834U CN 206532834 U CN206532834 U CN 206532834U CN 201720086455 U CN201720086455 U CN 201720086455U CN 206532834 U CN206532834 U CN 206532834U
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- CN
- China
- Prior art keywords
- foaming agent
- positive
- battery
- negative
- barrier film
- 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.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 15
- 239000004088 foaming agent Substances 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 239000007774 positive electrode material Substances 0.000 claims abstract description 9
- 239000011258 core-shell material Substances 0.000 claims abstract description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 5
- -1 sulfonyloxy methyl amino urea Chemical class 0.000 claims description 5
- 125000005147 toluenesulfonyl group Chemical group C=1(C(=CC=CC1)S(=O)(=O)*)C 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 125000002252 acyl group Chemical group 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 239000007772 electrode material Substances 0.000 abstract description 4
- 239000003792 electrolyte Substances 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000004156 Azodicarbonamide Substances 0.000 description 4
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical group NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 4
- 235000019399 azodicarbonamide Nutrition 0.000 description 4
- 239000011149 active material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
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
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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a kind of safety-type lithium battery, include battery body, the inner homogeneous of the battery body is provided with electrolyte, centre inside the battery body is provided with barrier film, and one end of the barrier film is provided with positive plate, and the other end of the barrier film is provided with negative plate, negative active core-shell material is scribbled on the negative plate, positive electrode active materials are scribbled on the positive plate, it is also included in insulation foaming agent, the positive electrode active materials or negative active core-shell material doped with insulation foaming agent；The utility model is simple in construction, by being mixed into a small amount of foaming agent in the electrode active material on positive and negative plate, when short circuit occurs for inside battery, foaming agent will be because unexpected temperature rises and swells, so as to play the purpose for blocking positive and negative plate to be powered, avoiding battery, instantaneous temperature rising is exploded because of short circuit, improves security.
Description
Technical field
The utility model relates to technical field of lithium batteries, specifically a kind of safety-type lithium battery.
Background technology
World energy sources is becoming tight with Environmental Protection Situation day, and battery is increasingly favored as power source by people.Lithium from
Sub- battery is high due to its energy density, and small volume is lightweight, and environment friendly and pollution-free, the remarkable advantage such as memory-less effect progressively turns into
The first choice of energy field.In the economic policy currently carried out, one of energy supply system that new-energy automobile is used is exactly
Lithium ionic cell module, the development of lithium ion battery is increasingly highlighted in the importance of energy field.
Although lithium battery is increasingly favored by people, there is necessarily hidden in existing lithium battery in terms of security
Suffer from, short circuit easily occurs for inside battery, and positive pole continues passage with negative pole, so that short circuit duration causes battery last to heat up,
Set off an explosion phenomenon.
Utility model content
The purpose of this utility model is defect and deficiency for prior art there is provided a kind of safety-type lithium battery,
It is simple in construction, by being mixed into a small amount of foaming agent in the electrode active material on positive and negative plate, when short circuit occurs for inside battery
When, foaming agent will be because unexpected temperature rises and swells, so as to play the purpose for blocking positive and negative plate to be powered, it is to avoid electricity
Because of short circuit, instantaneous temperature rising is exploded in pond, improves security.
To achieve the above object, the technical solution adopted in the utility model is：A kind of safety-type lithium battery, includes battery sheet
Body, the centre that the inner homogeneous of the battery body is provided with inside electrolyte, the battery body is provided with barrier film, it is described every
One end of film is provided with positive plate, and the other end of the barrier film, which is provided with negative plate, the negative plate, scribbles negative electrode active material
Positive electrode active materials are scribbled on material, the positive plate, it also includes insulation foaming agent, the positive electrode active materials or negative pole are lived
Doped with insulation foaming agent in property material.
As a kind of preferred scheme, the distribution density of the insulation foaming agent is 0.3-4g/m2。
As a kind of preferred scheme, the insulation foaming agent is azo dicarbonamide, sodium acid carbonate, adjacent toluene sulfonyl hydrazide, right
One kind in sulfonyloxy methyl amino urea or citric acid.
The beneficial effects of the utility model are：It is simple in construction, by being mixed into the electrode active material on positive and negative plate
A small amount of foaming agent, when short circuit occurs for inside battery, foaming agent will be because unexpected temperature rises and swells, so as to play
The purpose for blocking positive and negative plate to be powered, it is to avoid battery because of short circuit explode by instantaneous temperature rising, improves security.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model；
Fig. 2 is the structural representation of another embodiment of the utility model；
Fig. 3 is the structural representation of the another embodiment of the utility model.
It is 1. battery bodies in figure, 2. negative plates, 3. barrier films, 4. positive plates, 5. electrolyte, 6. positive electrode active materials, 7. exhausted
Edge foaming agent, 8. negative active core-shell materials.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and specifically
Embodiment, the utility model is further elaborated.It should be appreciated that embodiment described herein is only used
To explain the utility model, it is not used to limit the utility model.
Referring to Fig. 1, present embodiment uses following technical scheme：A kind of safety-type lithium battery, includes battery body
1, the centre that the inner homogeneous of the battery body 1 is provided with inside electrolyte 5, the battery body 1 is provided with barrier film 3, institute
The one end for stating barrier film 3 is provided with positive plate 4, the other end of the barrier film 3 be provided with negative plate 2, the negative plate 2 scribble it is negative
Scribbled on pole active material 8, the positive plate 4 in positive electrode active materials 6, the positive electrode active materials 6 doped with insulation foaming
Agent 7, the distribution density of the insulation foaming agent is 0.3-4g/m2, the insulation foaming agent be azo dicarbonamide, sodium acid carbonate,
Adjacent toluene sulfonyl hydrazide, to one kind in sulfonyloxy methyl amino urea or citric acid.
As shown in Fig. 2 another embodiment of the present utility model, the distinguishing characteristics of itself and previous embodiment is, described negative
Doped with insulation foaming agent 7 in pole active material 8, the distribution density of the insulation foaming agent is 0.3-4g/m2, the insulation hair
Infusion be azo dicarbonamide, sodium acid carbonate, adjacent toluene sulfonyl hydrazide, to one kind in sulfonyloxy methyl amino urea or citric acid.
As shown in figure 3, another embodiment of the present utility model, the distinguishing characteristics of itself and previous embodiment is, it is described just
Pole active material 6 and negative active core-shell material 8 are doped with insulation foaming agent 7, and the distribution density of the insulation foaming agent is 0.3-
4g/m2, the insulation foaming agent be azo dicarbonamide, sodium acid carbonate, adjacent toluene sulfonyl hydrazide, to sulfonyloxy methyl amino urea or lemon
One kind in acid.
The advantage of present embodiment：It is simple in construction, it is few by being mixed into the electrode active material on positive and negative plate
The foaming agent of amount, when short circuit occurs for inside battery, foaming agent will be because unexpected temperature rises and swells, so as to play resistance
The purpose that disconnected positive and negative plate is powered, it is to avoid battery because of short circuit explode by instantaneous temperature rising, improves security.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (3)
1. a kind of safety-type lithium battery, it is characterised in that：Comprising battery body, the inner homogeneous of the battery body is provided with electricity
Solve liquid, the centre inside the battery body is provided with barrier film, one end of the barrier film is provided with positive plate, the barrier film it is another
One end, which is provided with negative plate, the negative plate, scribbles negative active core-shell material, and positive electrode active materials are scribbled on the positive plate, it
Also include in insulation foaming agent, the positive electrode active materials or negative active core-shell material doped with insulation foaming agent.
2. a kind of safety-type lithium battery according to claim 1, it is characterised in that：The distribution density of the insulation foaming agent
For 0.3-4g/m2。
3. a kind of safety-type lithium battery according to claim 1, it is characterised in that：The insulation foaming agent is the acyl of azo two
Amine, sodium acid carbonate, adjacent toluene sulfonyl hydrazide, to one kind in sulfonyloxy methyl amino urea or citric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086455.9U CN206532834U (en) | 2017-01-20 | 2017-01-20 | A kind of safety-type lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086455.9U CN206532834U (en) | 2017-01-20 | 2017-01-20 | A kind of safety-type lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206532834U true CN206532834U (en) | 2017-09-29 |
Family
ID=59921088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720086455.9U Active CN206532834U (en) | 2017-01-20 | 2017-01-20 | A kind of safety-type lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206532834U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993207A (en) * | 2021-02-08 | 2021-06-18 | 深圳得能能源科技有限公司 | Safety battery |
| CN113540568A (en) * | 2021-07-12 | 2021-10-22 | 吉安谊盛电子材料有限公司 | Electrolyte and high-capacity lithium ion battery |
| CN113690404A (en) * | 2021-08-02 | 2021-11-23 | 惠州锂威电子科技有限公司 | Foaming coating, pole piece and lithium ion battery |
| CN115295770A (en) * | 2022-09-29 | 2022-11-04 | 天津普兰能源科技有限公司 | Preparation method of self-supporting film and lithium battery thereof |
-
2017
- 2017-01-20 CN CN201720086455.9U patent/CN206532834U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993207A (en) * | 2021-02-08 | 2021-06-18 | 深圳得能能源科技有限公司 | Safety battery |
| CN113540568A (en) * | 2021-07-12 | 2021-10-22 | 吉安谊盛电子材料有限公司 | Electrolyte and high-capacity lithium ion battery |
| CN113540568B (en) * | 2021-07-12 | 2022-11-01 | 吉安谊盛电子材料有限公司 | Electrolyte and high-capacity lithium ion battery |
| CN113690404A (en) * | 2021-08-02 | 2021-11-23 | 惠州锂威电子科技有限公司 | Foaming coating, pole piece and lithium ion battery |
| CN115295770A (en) * | 2022-09-29 | 2022-11-04 | 天津普兰能源科技有限公司 | Preparation method of self-supporting film and lithium battery thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240326 Address after: 526000, 2nd Floor, No.2 Qiandong Road, Liantang Town, Gaoyao District, Zhaoqing City, Guangdong Province Patentee after: Guangdong Zhuo High-tech Materials Technology Co.,Ltd. Country or region after: China Address before: 523000 Dongxing Industrial Park, Kangle Road, Hengli Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ADVANCED ELECTRONIC TECH Co.,Ltd. Country or region before: China |