CN205177961U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN205177961U CN205177961U CN201520982131.4U CN201520982131U CN205177961U CN 205177961 U CN205177961 U CN 205177961U CN 201520982131 U CN201520982131 U CN 201520982131U CN 205177961 U CN205177961 U CN 205177961U
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- positive plate
- electrolyte
- metal shell
- 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.)
- Expired - Fee Related
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 28
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000003792 electrolyte Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical group CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002033 PVDF binder Substances 0.000 abstract 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 abstract 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical group CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009831 deintercalation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor 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
Landscapes
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a lithium ion battery, including metal casing, insulating inner shell, positive plate and negative pole piece, insulating inner shell is established in metal casing, insulating inner shell is connected with the metal casing veneer, the positive plate outside is provided with the polyvinylidene fluoride diaphragm, positive plate, polyvinylidene fluoride diaphragm and negative pole piece are in proper order from interior to connecting outer the veneer, the negative pole piece outside is provided with electric tape, electric tape is connected with positive plate, polyvinylidene fluoride diaphragm and negative pole piece veneer respectively, insulating inner shell is provided with electrolyte, electrolyte is propylene carbonate electrolyte, liquid hole and utmost point ear are annotated to last being provided with of metal casing, annotate liquid hole and insulating inner shell intercommunication, this lithium ion battery radiating effect is good, long service life, and stable in structure is reliable, and it is convenient to maintain.
Description
Technical field
The utility model relates to a kind of technical field of lithium batteries, particularly relates to a kind of lithium ion battery.
Background technology
Lithium ion battery: be a kind of secondary cell (rechargeable battery), it mainly rely on lithium ion between a positive electrode and a negative electrode movement carry out work, in charge and discharge process, Li+ comes and goes between two electrodes and embeds and deintercalation: during charging, Li+ is from positive pole deintercalation, embed negative pole through electrolyte, negative pole is in rich lithium state; Then contrary during electric discharge, battery generally adopts material containing elemental lithium as electrode, it is the representative of modern high performance battery, lithium system battery is divided into lithium battery and lithium ion battery, what mobile phone and notebook computer used is all lithium ion battery, usual people's custom is called lithium battery, and real lithium battery is large due to danger, is seldom applied to day electronic product.
Rechargeable lithium ion batteries is current mobile phone, most widely used battery in the modern number code products such as notebook computer, but it is " fragile " comparatively, in use can not overcharge, cross and put (battery can be damaged or make it to scrap), therefore, battery has protection components and parts or protective circuit to prevent expensive cell damage, lithium ion cell charging requires very high, ensure that final voltage precision is within ± 1%, Ge great semiconductor device factory has developed the IC of multiple lithium ion cell charging, to ensure safety, reliably, charge rapidly, mobile phone is all use lithium ion battery substantially, correctly lithium ion battery is used to be very important to extending battery life, it can make flat, rectangular according to the requirement of different electronic products, cylindrical, rectangle and button, and by the battery pack formed that is connected in parallel by several serial battery.The rated voltage of lithium ion battery, because the change of material, be generally 3.7V, LiFePO4 (hereinafter referred to as ferrophosphorus) positive pole be then 3.2V, termination charging voltage when being full of electricity is generally 4.2V, ferrophosphorus 3.65V, the termination discharge voltage of lithium ion battery is that (Battery Plant provides operating voltage range or provides termination discharge voltage 2.75V ~ 3.0V, each parameter is slightly different, be generally 3.0V, ferrophosphorus is 2.5V), lower than 2.5V(ferrophosphorus 2.0V) continue electric discharge and be called and put, cross battery of being rivals in a contest and have infringement.
Lithium ion battery radiating effect is bad, and long-time use exists certain potential safety hazard, safeguards inconvenient.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of good heat dissipation effect, long service life, and Stability Analysis of Structures is reliable, lithium ion battery easy to maintenance.
For solving the problem, the utility model adopts following technical scheme: a kind of lithium ion battery, comprise metal shell, insulation inner casing, positive plate and negative plate, described insulation inner casing is located in metal shell, described insulation inner casing glues together with metal shell and is connected, described positive plate arranged outside has Kynoar barrier film, described positive plate, Kynoar barrier film and negative plate glue together connection successively from the inside to the outside, described negative plate arranged outside has insulating tape, described insulating tape respectively with positive plate, Kynoar barrier film is connected with negative plate gummed, described insulation inner casing is provided with electrolyte, described electrolyte is propene carbonate electrolyte, described metal shell is provided with liquid injection hole and lug, described liquid injection hole is communicated with insulation inner casing.
As preferably, described lug is provided with more than one, and lug facilitates battery derived current.
As preferably, described lug is electrically connected with positive plate and negative plate respectively, and holding circuit connects smooth and easy.
As preferably, described metal shell is provided with thermal vias, keeps radiating efficiency high.
As preferably, described thermal vias is provided with more than one.
The beneficial effects of the utility model are: the metal shell of setting keeps good heat dissipation effect, insulation inner casing keeps good insulating properties, the corrosion-resistant long service life of Kynoar barrier film, insulating tape glues together with positive plate, Kynoar barrier film and negative plate respectively and is connected holding structure good stability, propene carbonate electrolyte is adopted to maintain easily, nontoxic use safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of lithium ion battery of the present utility model.
Embodiment
Consult shown in Fig. 1, a kind of lithium ion battery, comprise metal shell 1, insulation inner casing 2, positive plate 3 and negative plate 4, described insulation inner casing 2 is located in metal shell 1, described insulation inner casing 2 glues together with metal shell 1 and is connected, described positive plate 3 arranged outside has Kynoar barrier film 5, described positive plate 3, Kynoar barrier film 5 and negative plate 4 glue together connection successively from the inside to the outside, described negative plate 4 arranged outside has insulating tape 6, described insulating tape 6 respectively with positive plate 3, Kynoar barrier film 5 is connected with negative plate 4 gummed, described insulation inner casing 2 is provided with electrolyte 7, described electrolyte 7 is propene carbonate electrolyte, described metal shell 1 is provided with liquid injection hole 8 and lug 9, described liquid injection hole 8 is communicated with insulation inner casing 2.
Described lug 9 is provided with more than one.
Described lug 9 is electrically connected with positive plate 3 and negative plate 4 respectively.
Described metal shell 1 is provided with thermal vias 10.
Described thermal vias 10 is provided with more than one.
The beneficial effects of the utility model are: the metal shell of setting keeps good heat dissipation effect, insulation inner casing keeps good insulating properties, the corrosion-resistant long service life of Kynoar barrier film, insulating tape glues together with positive plate, Kynoar barrier film and negative plate respectively and is connected holding structure good stability, propene carbonate electrolyte is adopted to maintain easily, nontoxic use safety.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection range of the present utility model; therefore, the protection range that protection range of the present utility model should limit with claims is as the criterion.
Claims (5)
1. a lithium ion battery, it is characterized in that: comprise metal shell, insulation inner casing, positive plate and negative plate, described insulation inner casing is located in metal shell, described insulation inner casing glues together with metal shell and is connected, described positive plate arranged outside has Kynoar barrier film, described positive plate, Kynoar barrier film and negative plate glue together connection successively from the inside to the outside, described negative plate arranged outside has insulating tape, described insulating tape respectively with positive plate, Kynoar barrier film is connected with negative plate gummed, described insulation inner casing is provided with electrolyte, described electrolyte is propene carbonate electrolyte, described metal shell is provided with liquid injection hole and lug, described liquid injection hole is communicated with insulation inner casing.
2. lithium ion battery according to claim 1, is characterized in that: described lug is provided with more than one.
3. lithium ion battery according to claim 1, is characterized in that: described lug is electrically connected with positive plate and negative plate respectively.
4. lithium ion battery according to claim 1, is characterized in that: described metal shell is provided with thermal vias.
5. lithium ion battery according to claim 4, is characterized in that: described thermal vias is provided with more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520982131.4U CN205177961U (en) | 2015-12-02 | 2015-12-02 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520982131.4U CN205177961U (en) | 2015-12-02 | 2015-12-02 | Lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177961U true CN205177961U (en) | 2016-04-20 |
Family
ID=55741904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520982131.4U Expired - Fee Related CN205177961U (en) | 2015-12-02 | 2015-12-02 | Lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390740A (en) * | 2015-12-02 | 2016-03-09 | 成都科创佳思科技有限公司 | Lithium ion battery |
-
2015
- 2015-12-02 CN CN201520982131.4U patent/CN205177961U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390740A (en) * | 2015-12-02 | 2016-03-09 | 成都科创佳思科技有限公司 | Lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 |