CN106602134A - High-electrolyte-content lithium ion battery and manufacturing method therefor - Google Patents
High-electrolyte-content lithium ion battery and manufacturing method therefor Download PDFInfo
- Publication number
- CN106602134A CN106602134A CN201611245717.8A CN201611245717A CN106602134A CN 106602134 A CN106602134 A CN 106602134A CN 201611245717 A CN201611245717 A CN 201611245717A CN 106602134 A CN106602134 A CN 106602134A
- Authority
- CN
- China
- Prior art keywords
- electrolytic bath
- electrolyte
- lithium ion
- ion battery
- 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.)
- Pending
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Classifications
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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
-
- 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
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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 invention provides a high-electrolyte-content lithium ion battery and a manufacturing method therefor. The high-electrolyte-content lithium ion battery comprises a shell, a cell positioned in the shell and at least one electrolytic bath, wherein electrolyte is stored in the electrolytic bath; and an opening facing to the cell is formed in the electrolytic bath. By adoption of the high-electrolyte-content lithium ion battery and the manufacturing method therefor, the electrolytic bath has certain mechanical strength in vacuum sealing, so that the electrolyte in the electrolytic bath does not flow out along with a vacuumizing process, the redundant electrolyte can be maintained in the battery consequently; and therefore, a function of supplementing electrolyte for the cell at any time in use is realized, and by virtue of the redundant electrolyte, the battery obtains higher electrical performance and longer service life.
Description
Technical field
The present invention relates to a kind of lithium ion battery of high electrolyte content.
The invention further relates to a kind of manufacture method of the lithium ion battery of high electrolyte content.
Background technology
Lithium ion battery, with its security it is good, energy density is high, flexible design the advantages of welcome by market, but
In encapsulation process, using vacuum-packed method is used, this method is in encapsulation process for great majority for current lithium ion battery
In have substantial amounts of electrolyte loss.This lithium ion battery, not enough can during Long-Time Service due to being electrolysed liquid hold-up
Cause the decay in battery electrical property and life-span.
The content of the invention
For the technical problem that the electrolysis liquid hold-up for solving existing inside lithium ion cell is inadequate, there is provided a kind of high electrolyte
The lithium ion battery and its manufacture method of amount.
The invention provides a kind of lithium ion battery of high electrolyte content, it is including shell, positioned at the battery core of enclosure
With at least one electrolytic bath, electrolytic bath internal memory contains electrolyte, and electrolytic bath is provided with the opening towards battery core.Unnecessary electricity
Solution liquid is stayed in electrolytic bath, and it is at any time the function of battery core fluid infusion to reach when using, and it is more preferable that unnecessary electrolyte has battery
Electrical property and the life-span.
Preferably, electrolytic bath directly contacts with battery core, and the opening of electrolytic bath is contacted positioned at electrolytic bath with battery core
One side.
Preferably, the electrolyte content for accommodating in electrolytic bath is the 5%～30% of total electrolyte content.The electrolysis of above range
Liquid measure, can meet the fluid infusion requirement of lithium ion battery.
Preferably, the electrolyte content for accommodating in electrolytic bath is the 20% of total electrolyte content.The electrolyte content of above range,
The fluid infusion requirement of lithium ion battery can be met.
Preferably, electrolytic bath is located at the top or side of battery core.Electrolytic bath can according to actual design needs, positioned at
Battery core is contacted Anywhere.
Preferably, shell is aluminum plastic film.Shell made by plastic-aluminum membrane material is Soft Roll shell, in vacuum sealing lithium-ion electric
Chi Shi, can suitably deform to meet vacuum-packed needs.
Preferably, electrolytic bath is made up of PC, PE, PET, PVC or silica gel material.In addition to above-mentioned material, electrolytic bath is also
There can be the insulating materials of some strength using other.
Preferably, electrolytic bath is rectangle or cylinder.Electrolytic bath can be designed to any according to actual design needs
Shape.
Present invention also offers a kind of manufacture method of the lithium ion battery of above-mentioned high electrolyte content, comprises the following steps：
1) in the punching course of shell, battery core space and electrolytic bath space are reserved inside the housing；
2) battery core is loaded into battery core space, electrolytic bath is loaded into electrolytic bath space；
3) by shell seal, and electrolyte is injected to enclosure, electrolyte is flow in electrolytic bath；
4) inside of shell is vacuumized.
The lithium ion battery manufactured by said method, electrolyte can be stayed in electrolytic bath, reached when using and be at any time
The function of battery core fluid infusion, unnecessary electrolyte makes battery have more preferable electrical property and life-span.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, and obtain final product each preferable reality of the present invention
Example.
The present invention positive effect be：
The lithium ion battery and its manufacture method of the high electrolyte content, during vacuum sealing due to electrolytic bath have it is certain
Mechanical strength, can be such that the electrolyte in electrolytic bath does not flow out with the process for vacuumizing, so that unnecessary electrolyte
Inside battery is stayed in, it is at any time the function of battery core fluid infusion to reach when using, and unnecessary electrolyte makes battery have preferably electrically
Energy and life-span.
Description of the drawings
Fig. 1 is the structural representation of the lithium ion battery of high electrolyte content of the invention.
Fig. 2 is battery core, the signal of the relative position of electrolytic bath of the lithium ion battery of the high electrolyte content shown in Fig. 1
Figure.
Fig. 3 is the structural representation of the electrolytic bath of the lithium ion battery of the high electrolyte content shown in Fig. 1.
Description of reference numerals
Shell 1
Battery core 2
Electrolytic bath 3
Opening 31
Battery core space 4
Electrolytic bath space 5
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to described reality
Among applying a scope.
As shown in Figure 1 to Figure 3, the present invention provides a kind of lithium ion battery of high electrolyte content, and it includes shell 1, is located at
The electrolytic bath 3 of battery core 2 and at least one inside shell 1, the internal memory of electrolytic bath 3 contains electrolyte, electrolytic bath 3 be provided with towards
The opening 31 of battery core 2.
The lithium ion battery, reserves or rushes the modes such as shell and leave certain sky in inside battery by the periphery in battery core 2
Between, it is put into an electrolytic bath 3 with certain mechanical strength in this space.Electrolyte is flowed in electrolytic bath 3, very during fluid injection
Because electrolytic bath 3 has certain mechanical strength during sky sealing, the electrolyte in electrolytic bath 3 can be made true with taking out
Empty process flows out, so that unnecessary electrolyte stays in inside battery, it is at any time the function of the fluid infusion of battery core 2 to reach when using,
Unnecessary electrolyte makes battery have more preferable electrical property and life-span.
As shown in figure 1, electrolytic bath 3 directly contacts with battery core 2, the opening 31 of electrolytic bath 3 be located at electrolytic bath 3 with
The one side of the contact of battery core 2.Electrolytic bath 3 directly can not also contact with battery core 2, by between electrolytic bath 3 and battery core 2
It is provided with the mode of electrolyte passage, it is ensured that the conducting of electrolytic bath 3 and battery core 2.
The electrolyte content accommodated in electrolytic bath 3 is the 5%～30% of total electrolyte content, preferably total electrolyte content
20%.The electrolyte content of above range, can meet the fluid infusion requirement of lithium ion battery.
Electrolytic bath 3, positioned at contacting Anywhere with battery core 2, can such as be located at the upper of battery core 2 according to actual design needs
Side or side.
Shell 1 is aluminum plastic film.Shell 1 made by plastic-aluminum membrane material is Soft Roll shell, in vacuum sealing lithium ion battery,
Can suitably deform to meet vacuum-packed needs.
Electrolytic bath 3 is made up of PC, PE, PET, PVC or silica gel material.In addition to above-mentioned material, electrolytic bath 3 can also be adopted
Other have the insulating materials of some strength.
Electrolytic bath 3 can be designed to any shape, such as rectangle or cylinder according to actual design needs.
Electrolytic bath 3 can be according to actual design needs, it is determined that required quantity.
The manufacture method of the lithium ion battery of above-mentioned high electrolyte content, comprises the following steps：
1) in the punching course of shell 1, in the internal reservation battery core space 4 of shell 1 and electrolytic bath space 5；
2) battery core 2 is loaded into battery core space 4, electrolytic bath 3 is loaded into electrolytic bath space 5；
3) shell 1 is closed, and electrolyte is injected to the inside of shell 1, electrolyte is flow in electrolytic bath 3；
4) inside of shell 1 is vacuumized, now, because electrolytic bath 3 has certain mechanical strength, electrolysis can be made
Electrolyte in liquid bath 3 will not flow out with the process for vacuumizing, so that unnecessary electrolyte stays in inside battery.
The present invention is not limited to above-mentioned embodiment, no matter making any change in its shape or structure, all falls within this
Within bright protection domain.Protection scope of the present invention is defined by the appended claims, and those skilled in the art exists
On the premise of principle and essence without departing substantially from the present invention, various changes or modifications, but these can be made to these embodiments
Change and modification each fall within protection scope of the present invention.
Claims (9)
1. a kind of lithium ion battery of high electrolyte content, it is characterised in that：It is including shell (1), positioned at the shell (1) inside
Battery core (2) and at least one electrolytic bath (3), electrolytic bath (3) internal memory contains electrolyte, the electrolytic bath (3)
It is provided with the opening (31) towards the battery core (2).
2. the lithium ion battery of high electrolyte content according to claim 1, it is characterised in that：The electrolytic bath (3) is straight
Connect and contacted with the battery core (2), the opening (31) of the electrolytic bath (3) is positioned at the electrolytic bath (3) and the battery core
(2) one side of contact.
3. the lithium ion battery of high electrolyte content according to claim 1, it is characterised in that：In the electrolytic bath (3)
The electrolyte content of receiving is the 5%～30% of total electrolyte content.
4. the lithium ion battery of high electrolyte content according to claim 1, it is characterised in that：In the electrolytic bath (3)
The electrolyte content of receiving is the 20% of total electrolyte content.
5. the lithium ion battery of high electrolyte content according to claim 1, it is characterised in that：Electrolytic bath (3) position
In the top or side of the battery core (2).
6. the lithium ion battery of high electrolyte content according to claim 1, it is characterised in that：The shell (1) is plastic-aluminum
Film.
7. the lithium ion battery of high electrolyte content according to claim 1, it is characterised in that：The electrolytic bath (3) by
PC, PE, PET, PVC or silica gel material are made.
8. the lithium ion battery of high electrolyte content according to claim 1, it is characterised in that：The electrolytic bath (3) is
Rectangle or cylinder.
9. the manufacture method of the lithium ion battery of the high electrolyte content described in a kind of claim 1, it is characterised in that including following
Step：
1) it is empty in the shell (1) internal reservation battery core space (4) and electrolytic bath in the punching course of the shell (1)
Between (5)；
2) battery core (2) is loaded into the battery core space (4), the electrolytic bath (3) is loaded into the electrolytic bath space
(5)；
3) shell (1) is closed, and electrolyte is injected to the inside of the shell (1), the electrolyte flow to the electrolysis
In liquid bath (3)；
4) inside of the shell (1) is vacuumized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245717.8A CN106602134A (en) | 2016-12-29 | 2016-12-29 | High-electrolyte-content lithium ion battery and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245717.8A CN106602134A (en) | 2016-12-29 | 2016-12-29 | High-electrolyte-content lithium ion battery and manufacturing method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106602134A true CN106602134A (en) | 2017-04-26 |
Family
ID=58605048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245717.8A Pending CN106602134A (en) | 2016-12-29 | 2016-12-29 | High-electrolyte-content lithium ion battery and manufacturing method therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602134A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331829A (en) * | 2017-06-29 | 2017-11-07 | 电子科技大学中山学院 | Manganese silicate lithium battery |
| CN108963342A (en) * | 2018-07-19 | 2018-12-07 | 力信（江苏）能源科技有限责任公司 | It is a kind of increase soft pack cell electrolysis liquid hold-up method and application this method made from lithium ion battery |
| CN109860444A (en) * | 2018-12-19 | 2019-06-07 | 惠州亿纬锂能股份有限公司 | A kind of battery packaging structure and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324556A (en) * | 2011-09-14 | 2012-01-18 | 东莞市易升电池有限公司 | Secondary lithium ion battery and electric capacity improving method thereof |
| CN102637895A (en) * | 2012-04-10 | 2012-08-15 | 东莞市特耐克新能源科技有限公司 | Flexible-package lithium ion battery and method for improving electric capacity of battery |
| CN202678420U (en) * | 2012-04-10 | 2013-01-16 | 东莞市特耐克新能源科技有限公司 | Flexibly packed lithium ion battery |
-
2016
- 2016-12-29 CN CN201611245717.8A patent/CN106602134A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324556A (en) * | 2011-09-14 | 2012-01-18 | 东莞市易升电池有限公司 | Secondary lithium ion battery and electric capacity improving method thereof |
| CN102637895A (en) * | 2012-04-10 | 2012-08-15 | 东莞市特耐克新能源科技有限公司 | Flexible-package lithium ion battery and method for improving electric capacity of battery |
| CN202678420U (en) * | 2012-04-10 | 2013-01-16 | 东莞市特耐克新能源科技有限公司 | Flexibly packed lithium ion battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331829A (en) * | 2017-06-29 | 2017-11-07 | 电子科技大学中山学院 | Manganese silicate lithium battery |
| CN107331829B (en) * | 2017-06-29 | 2023-09-19 | 王光远 | Lithium manganese silicate battery |
| CN108963342A (en) * | 2018-07-19 | 2018-12-07 | 力信（江苏）能源科技有限责任公司 | It is a kind of increase soft pack cell electrolysis liquid hold-up method and application this method made from lithium ion battery |
| CN109860444A (en) * | 2018-12-19 | 2019-06-07 | 惠州亿纬锂能股份有限公司 | A kind of battery packaging structure and method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |
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