CN110233294A - A kind of portable poly-lithium battery of high capacity and manufacture craft - Google Patents
A kind of portable poly-lithium battery of high capacity and manufacture craft Download PDFInfo
- Publication number
- CN110233294A CN110233294A CN201910530575.7A CN201910530575A CN110233294A CN 110233294 A CN110233294 A CN 110233294A CN 201910530575 A CN201910530575 A CN 201910530575A CN 110233294 A CN110233294 A CN 110233294A
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- Prior art keywords
- film
- negative electrode
- diaphragm
- preparation
- cathode
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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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
-
- 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 present invention relates to technical field of lithium batteries, the portable poly-lithium battery of especially a kind of high capacity and manufacture craft, including wrapping film, the wrapping film coiling is circlewise, the middle part is provided with cavitys, the first diaphragm is wound in the cavity, second diaphragm, negative electrode film, cathode film, first diaphragm, second diaphragm, negative electrode film, cathode film is successively spaced setting, anode ear is symmetrically arranged at the top of the cricoid wrapping film, negative electrode lug, the anode ear and cathode film are electrically connected, the negative electrode lug and negative electrode film are electrically connected, gluey electrolyte is injected in the cavity, then pass through the preparation of diaphragm, the preparation of cathode film, the preparation of negative electrode film, the preparation of battery core and the welding step of tab, whole operation step is more succinctly convenient for operation, and obtained poly-lithium battery has high capacity, security performance is high Advantage.
Description
Technical field
The present invention relates to technical field of lithium batteries more particularly to a kind of portable poly-lithium battery of high capacity and production works
Skill.
Background technique
Poly-lithium battery is a kind of novel lithium ion battery, is a huge achievement in lithium battery development history.
The electrolyte of polymer Li-ion battery is no longer liquid condition, and real solid-state or gel state, this allows for the processing of lithium battery
Performance improves, and is easy moulding, can accomplish lightening, to meet the needs of all trades and professions, in addition electrolyte can uniformly divide
It is dispersed in polymer molecular structure, improves the security performance of battery.But the existing generally existing capacity of poly-lithium battery
Lower defect.
Summary of the invention
The purpose of the present invention is to solve the lower disadvantage of poly-lithium battery capacity exists in the prior art, and propose
A kind of portable poly-lithium battery of high capacity and manufacture craft.
To achieve the goals above, present invention employs following technical solutions:
A kind of portable poly-lithium battery of high capacity, including wrapping film, the wrapping film coiling circlewise, its middle part
It is provided with cavity, the first diaphragm, the second diaphragm, negative electrode film, cathode film, first diaphragm, second are wound in the cavity
Diaphragm, negative electrode film, cathode film are successively spaced setting, are symmetrically arranged with anode ear, negative electrode lug at the top of the cricoid wrapping film,
The anode ear and cathode film are electrically connected, and the negative electrode lug and negative electrode film are electrically connected, the gluey electrolysis of injection in the cavity
Liquid.
A kind of portable poly-lithium battery manufacture craft of high capacity, includes the following steps:
A certain amount of plasticizer and acetone are added in reactor by the preparation of S1, diaphragm, are added with stirring a certain amount of
Kynoar powder, is to slowly warm up to 50-60 DEG C, continues to stir 20-30min, and a certain amount of nano powder is then taken to be added
It in the acetone soln stated, is then slowly cooled to room temperature after ultrasonic vibration is handled, finally scrapes mucus obtained painting in mould
The first diaphragm, the second diaphragm can be obtained on tool；
The preparation of S2, cathode film take the mucus prepared in S1 that cobalt acid lithium, bonding agent and hydrocarbon black powder stirring is added equal
Even, the weight ratio of mucus and cobalt acid lithium, bonding agent and hydrocarbon black powder is 2:1:1:2, then at stream after high speed ball milling
Prolong and film is made with the tape casting on machine, manufactured film and aluminium net are then combined into cathode film through heat；
The preparation of S3, negative electrode film take the mucus prepared in S1 that graphite, bonding agent and hydrocarbon black powder is added and stir evenly,
Mucus and the weight ratio of graphite, bonding agent and hydrocarbon black powder are 2:1:1:2, then after high speed ball milling at casting machine
Film is made with the tape casting, manufactured film and copper mesh are then combined into negative electrode film through heat；
The preparation of S4, battery core, by above-mentioned the first diaphragm prepared, the second diaphragm, negative electrode film and cathode film according to setting
The shape counted is cut, then according to the first diaphragm bottom, negative electrode film middle layer, the second diaphragm upper layer, cathode film top layer
Lamination process is superimposed coiling circlewise, then obtains battery core after overheat rolling processing, finally upper and lower ends of looped cylindrical again
It is bonded PET rubber mat, completes the preparation of battery core；
The welding of S5, tab, after the battery core of the preparation in S4 was carried out vacuum drying treatment, by anode ear, negative electrode lug
Across PET rubber mat and corresponding negative electrode film, cathode film welding, is used after welding and resistance test manually is carried out to it,
Gluey electrolyte activation is injected after test passes, finally coats the preparation work that wrapping film completes battery.
Preferably, the negative electrode film, cathode film slurry wet coating thickness be 100-300 microns, and with a batch of
Negative electrode film, the control of cathode film thickness error are at ± 3 microns.
Preferably, the electrolyte is that sulfuric acid electrolyte is mixed by 1:1 and then be added glycerol with silicate solution as stabilization
Agent mixes.
A kind of portable poly-lithium battery of high capacity proposed by the present invention and manufacture craft, beneficial effect are: using high
The portable poly-lithium battery of capacity and manufacture craft preparation poly-lithium battery with high security, the big advantage of capacity, and
Entire process flow operating procedure is succinct, easy to operate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the portable poly-lithium battery of high capacity proposed by the present invention.
In figure: 1 anode ear, 2 negative electrode lugs, 3 first diaphragms, 4 second diaphragms, 5 negative electrode films, 6 cathode films, 7 wrapping films, 8
Cavity, 9 electrolyte.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
Referring to Fig.1, the portable poly-lithium battery of a kind of high capacity, including wrapping film 7,7 coiling of wrapping film circlewise,
The middle part is provided with cavity 8, it is wound with the first diaphragm 3, the second diaphragm 4, negative electrode film 5, cathode film 6 in cavity 8, the first diaphragm 3,
Second diaphragm 4, negative electrode film 5, cathode film 6 are successively spaced setting, and anode ear 1 is symmetrically arranged at the top of cricoid wrapping film 7, is born
Tab 2, anode ear 1 and cathode film 6 are electrically connected, and negative electrode lug 2 and negative electrode film 5 are electrically connected, and gluey electrolyte is injected in cavity 8
9。
A kind of portable poly-lithium battery manufacture craft of high capacity, includes the following steps:
A certain amount of plasticizer and acetone are added in reactor by the preparation of S1, diaphragm, are added with stirring a certain amount of
Kynoar powder is to slowly warm up to 55 DEG C, continues to stir 25min, then takes a certain amount of nano powder that above-mentioned third is added
It in ketone solution, is then slowly cooled to room temperature after ultrasonic vibration is handled, finally scrapes mucus obtained painting on mold just
Available first diaphragm 3, the second diaphragm 4；
The preparation of S2, cathode film take the mucus prepared in S1 that cobalt acid lithium, bonding agent and hydrocarbon black powder stirring is added equal
Even, the weight ratio of mucus and cobalt acid lithium, bonding agent and hydrocarbon black powder is 2:1:1:2, then at stream after high speed ball milling
Prolong and film is made with the tape casting on machine, manufactured film and aluminium net are then combined into cathode film 6 through heat；
The preparation of S3, negative electrode film take the mucus prepared in S1 that graphite, bonding agent and hydrocarbon black powder is added and stir evenly,
Mucus and the weight ratio of graphite, bonding agent and hydrocarbon black powder are 2:1:1:2, then after high speed ball milling at casting machine
Film is made with the tape casting, manufactured film and copper mesh are then combined into negative electrode film 5 through heat；
The preparation of S4, battery core, by above-mentioned the first diaphragm 3 prepared, the second diaphragm 4, negative electrode film 5 and cathode film 6 by
Cut according to designed shape, negative electrode film 5, cathode film 6 slurry wet coating thickness be 200 microns, and same batch
Negative electrode film 5,6 thickness error of cathode film control at ± 3 microns, then according to 3 bottom of the first diaphragm, 5 middle layer of negative electrode film, second
4 upper layer of diaphragm, 6 top layer of cathode film lamination process superposition coiling circlewise, then through overheat rolling processing after obtain battery core, most
The upper and lower ends of looped cylindrical are bonded PET rubber mat again afterwards, complete the preparation of battery core；
The welding of S5, tab, after the battery core of the preparation in S4 was carried out vacuum drying treatment, by anode ear 1, negative electrode lug
2 pass through PET rubber mat and corresponding negative electrode film 5, the welding of cathode film 6, use after welding and manually carry out resistance survey to it
It tries, the gluey electrolyte 9 of injection activates after test passes, and electrolyte 9 is that sulfuric acid electrolyte is mixed and then added by 1:1 with silicate solution
Enter glycerol to mix as stabilizer, finally coats the preparation work that wrapping film 7 completes battery.
Embodiment two
Referring to Fig.1, the portable poly-lithium battery of a kind of high capacity, including wrapping film 7,7 coiling of wrapping film circlewise,
The middle part is provided with cavity 8, it is wound with the first diaphragm 3, the second diaphragm 4, negative electrode film 5, cathode film 6 in cavity 8, the first diaphragm 3,
Second diaphragm 4, negative electrode film 5, cathode film 6 are successively spaced setting, and anode ear 1 is symmetrically arranged at the top of cricoid wrapping film 7, is born
Tab 2, anode ear 1 and cathode film 6 are electrically connected, and negative electrode lug 2 and negative electrode film 5 are electrically connected, and gluey electrolyte is injected in cavity 8
9。
A kind of portable poly-lithium battery manufacture craft of high capacity, includes the following steps:
A certain amount of plasticizer and acetone are added in reactor by the preparation of S1, diaphragm, are added with stirring a certain amount of
Kynoar powder is to slowly warm up to 60 DEG C, continues to stir 30min, then takes a certain amount of nano powder that above-mentioned third is added
It in ketone solution, is then slowly cooled to room temperature after ultrasonic vibration is handled, finally scrapes mucus obtained painting on mold just
Available first diaphragm 3, the second diaphragm 4；
The preparation of S2, cathode film take the mucus prepared in S1 that cobalt acid lithium, bonding agent and hydrocarbon black powder stirring is added equal
Even, the weight ratio of mucus and cobalt acid lithium, bonding agent and hydrocarbon black powder is 2:1:1:2, then at stream after high speed ball milling
Prolong and film is made with the tape casting on machine, manufactured film and aluminium net are then combined into cathode film 6 through heat；
The preparation of S3, negative electrode film take the mucus prepared in S1 that graphite, bonding agent and hydrocarbon black powder is added and stir evenly,
Mucus and the weight ratio of graphite, bonding agent and hydrocarbon black powder are 2:1:1:2, then after high speed ball milling at casting machine
Film is made with the tape casting, manufactured film and copper mesh are then combined into negative electrode film 5 through heat；
The preparation of S4, battery core, by above-mentioned the first diaphragm 3 prepared, the second diaphragm 4, negative electrode film 5 and cathode film 6 by
Cut according to designed shape, negative electrode film 5, cathode film 6 slurry wet coating thickness be 300 microns, and same batch
Negative electrode film 5,6 thickness error of cathode film control at ± 3 microns, then according to 3 bottom of the first diaphragm, 5 middle layer of negative electrode film, second
4 upper layer of diaphragm, 6 top layer of cathode film lamination process superposition coiling circlewise, then through overheat rolling processing after obtain battery core, most
The upper and lower ends of looped cylindrical are bonded PET rubber mat again afterwards, complete the preparation of battery core；
The welding of S5, tab, after the battery core of the preparation in S4 was carried out vacuum drying treatment, by anode ear 1, negative electrode lug
2 pass through PET rubber mat and corresponding negative electrode film 5, the welding of cathode film 6, use after welding and manually carry out resistance survey to it
It tries, the gluey electrolyte 9 of injection activates after test passes, and electrolyte 9 is that sulfuric acid electrolyte is mixed and then added by 1:1 with silicate solution
Enter glycerol to mix as stabilizer, finally coats the preparation work that wrapping film 7 completes battery.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of portable poly-lithium battery of high capacity, which is characterized in that including wrapping film (7), the wrapping film (7) around
Be made it is cyclic annular, the middle part is provided with cavity (8), be wound with the first diaphragm (3), the second diaphragm (4), cathode in the cavity (8)
Film (5), cathode film (6), first diaphragm (3), the second diaphragm (4), negative electrode film (5), cathode film (6) are successively spaced setting,
Anode ear (1), negative electrode lug (2), the anode ear (1) and cathode film are symmetrically arranged at the top of the cricoid wrapping film (7)
(6) it is electrically connected, the negative electrode lug (2) and negative electrode film (5) are electrically connected, and gluey electrolyte (9) is injected in the cavity (8).
2. a kind of portable poly-lithium battery manufacture craft of high capacity, which comprises the steps of:
A certain amount of plasticizer and acetone are added in reactor by the preparation of S1, diaphragm, are added with stirring a certain amount of poly- inclined
Vinyl fluoride powder, is to slowly warm up to 50-60 DEG C, continues to stir 20-30min, then takes a certain amount of nano powder to be added above-mentioned
It in acetone soln, is then slowly cooled to room temperature after ultrasonic vibration is handled, finally scrapes mucus obtained painting on mold
It can obtain the first diaphragm (3), the second diaphragm (4)；
The preparation of S2, cathode film take the mucus prepared in S1 that cobalt acid lithium, bonding agent and hydrocarbon black powder is added and stir evenly, glues
The weight ratio of liquid and cobalt acid lithium, bonding agent and hydrocarbon black powder is 2:1:1:2, then after high speed ball milling at casting machine
Film is made with the tape casting, manufactured film and aluminium net are then combined into cathode film (6) through heat；
The preparation of S3, negative electrode film take the mucus prepared in S1 that graphite, bonding agent and hydrocarbon black powder is added and stir evenly, mucus
Weight ratio with graphite, bonding agent and hydrocarbon black powder is 2:1:1:2, then uses stream at casting machine after high speed ball milling
Film is made in the method for prolonging, and manufactured film and copper mesh are then combined into negative electrode film (5) through heat；
The preparation of S4, battery core, by above-mentioned the first diaphragm (3) prepared, the second diaphragm (4), negative electrode film (5) and cathode film
(6) it is cut according to designed shape, then according to the first diaphragm (3) bottom, negative electrode film (5) middle layer, the second diaphragm (4)
Upper layer, cathode film (6) top layer lamination process superposition coiling circlewise, then through overheat rolling processing after obtain battery core, finally
The upper and lower ends of looped cylindrical are bonded PET rubber mat again, complete the preparation of battery core；
The welding of S5, tab, after the battery core of the preparation in S4 was carried out vacuum drying treatment, by anode ear (1), negative electrode lug
(2) PET rubber mat and corresponding negative electrode film (5), cathode film (6) welding are passed through, uses after welding and manually it is carried out
Resistance test injects gluey electrolyte (9) after test passes and activates, finally coats the preparation work for wrapping film (7) completing battery
Make.
3. a kind of manufacture craft of the portable poly-lithium battery of high capacity according to claim 1, which is characterized in that described
Negative electrode film (5), cathode film (6) slurry wet coating thickness be 100-300 micron, and with a batch of negative electrode film (5), positive
Film (6) thickness error is controlled at ± 3 microns.
4. a kind of manufacture craft of the portable poly-lithium battery of high capacity according to claim 1, which is characterized in that described
Electrolyte (9) is that sulfuric acid electrolyte is mixed with silicate solution by 1:1 and then addition glycerol is mixed as stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530575.7A CN110233294A (en) | 2019-06-19 | 2019-06-19 | A kind of portable poly-lithium battery of high capacity and manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530575.7A CN110233294A (en) | 2019-06-19 | 2019-06-19 | A kind of portable poly-lithium battery of high capacity and manufacture craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110233294A true CN110233294A (en) | 2019-09-13 |
Family
ID=67856228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910530575.7A Pending CN110233294A (en) | 2019-06-19 | 2019-06-19 | A kind of portable poly-lithium battery of high capacity and manufacture craft |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390739A (en) * | 2015-12-02 | 2016-03-09 | 成都科创佳思科技有限公司 | Polymer lithium battery |
| CN205194795U (en) * | 2015-12-02 | 2016-04-27 | 深圳福能达空气与水科技发展有限公司 | Polymer lithium battery |
-
2019
- 2019-06-19 CN CN201910530575.7A patent/CN110233294A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390739A (en) * | 2015-12-02 | 2016-03-09 | 成都科创佳思科技有限公司 | Polymer lithium battery |
| CN205194795U (en) * | 2015-12-02 | 2016-04-27 | 深圳福能达空气与水科技发展有限公司 | Polymer lithium battery |
Non-Patent Citations (2)
| Title |
|---|
| 李德湛: "纳米SiO2改性聚合物锂离子电池的研究", 《国防科技大学学报》 * |
| 矩大LARGE: "将普通的硫酸电解液与硅酸溶液按1:1混合即可配制出锂电池的胶体电解液", 《HTTP://WWW.JUDA.CN/BLOG/1681.HTML》 * |
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Application publication date: 20190913 |