CN103337664A - Novel preparation method of lithium ion battery - Google Patents
Novel preparation method of lithium ion battery Download PDFInfo
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- CN103337664A CN103337664A CN2013102268867A CN201310226886A CN103337664A CN 103337664 A CN103337664 A CN 103337664A CN 2013102268867 A CN2013102268867 A CN 2013102268867A CN 201310226886 A CN201310226886 A CN 201310226886A CN 103337664 A CN103337664 A CN 103337664A
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- ion battery
- lithium ion
- slurry
- carbon black
- preparation
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- 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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- 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
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Abstract
The invention provides a novel preparation method of a lithium ion battery. The novel preparation method comprises the following steps of: (1) mixing, lithium manganate, high lithium cobalt oxides, superconductive carbon black and polyvinyl fluoride to prepare slurry, coating the slurry on aluminum foil, and then, slicing to form a positive plate; (2) preparing slurry by using carbon black, sodium carboxymethyl cellulose and propyl benzene rubber, coating the slurry on copper foil, and then, slicing to form a negative plate; and (3) preparing the lithium ion battery by using an electrolyte and a diaphragm according to the process of a production line. Compared with the prior art, the novel preparation method of the lithium ion battery has the advantages that the obtained lithium ion battery is better in high temperature cycle performance.
Description
Technical field
The lithium ion cycle performance at high temperature that the present invention relates to a kind of acquisition is the preparation method of new type lithium ion battery preferably.
Background technology
Continuous development along with energy technology, the application of battery is increasingly extensive, and when lithium ion battery was worked under hot conditions, it needed better cycle performance, but regrettably present lithium ion battery has a long way to go with respect under the cryogenic conditions at the cycle performance of hot conditions, can not satisfy the demands.
Summary of the invention
The technical problem that the present invention mainly solves is that present lithium ion cycle performance at high temperature can not meet the demands.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of preparation method of new type lithium ion battery, may further comprise the steps:
(1), with LiMn2O4, high cobalt acid lithium, superconduction carbon black and polyvinyl fluoride mixed configuration form slurry, slurry is coated on the aluminium foil, section is positive plate then;
(2), carbon black, sodium carboxymethylcellulose and propyl benzene rubber are configured to slurry, slurry is coated on the Copper Foil, section is negative plate then;
(3), electrolyte and barrier film are made as lithium ion battery according to the production line flow process.
In a preferred embodiment of the present invention, the mixed proportion of LiMn2O4, high cobalt acid lithium, superconduction carbon black and polyvinyl fluoride is 1:3:7:9 according to mass ratio in the step (1).
In a preferred embodiment of the present invention, the mixed proportion of the carbon black in the step (2), sodium carboxymethylcellulose and propyl benzene rubber is 5:3:6 according to mass ratio.
Compared to prior art, the high temperature cyclic performance of the lithium ion battery that the preparation method of new type lithium ion battery of the present invention obtains is better.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The embodiment of the invention discloses a kind of preparation method of new type lithium ion battery, may further comprise the steps:
(1), with LiMn2O4, high cobalt acid lithium, superconduction carbon black and polyvinyl fluoride mixed configuration form slurry, slurry is coated on the aluminium foil, section is positive plate then;
(2), carbon black, sodium carboxymethylcellulose and propyl benzene rubber are configured to slurry, slurry is coated on the Copper Foil, section is negative plate then;
(3), electrolyte and barrier film are made as lithium ion battery according to the production line flow process.
In a preferred embodiment of the present invention, the mixed proportion of LiMn2O4, high cobalt acid lithium, superconduction carbon black and polyvinyl fluoride is 1:3:7:9 according to mass ratio in the step (1).
In a preferred embodiment of the present invention, the mixed proportion of the carbon black in the step (2), sodium carboxymethylcellulose and propyl benzene rubber is 5:3:6 according to mass ratio.
Compared to prior art, the high temperature cyclic performance of the lithium ion battery that the preparation method of new type lithium ion battery of the present invention obtains is better.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (3)
1. the preparation method of a new type lithium ion battery is characterized in that, may further comprise the steps:
(1), with LiMn2O4, high cobalt acid lithium, superconduction carbon black and polyvinyl fluoride mixed configuration form slurry, slurry is coated on the aluminium foil, section is positive plate then;
(2), carbon black, sodium carboxymethylcellulose and propyl benzene rubber are configured to slurry, slurry is coated on the Copper Foil, section is negative plate then;
(3), electrolyte and barrier film are made as lithium ion battery according to the production line flow process.
2. the preparation method of new type lithium ion battery according to claim 1 is characterized in that, the mixed proportion of LiMn2O4, high cobalt acid lithium, superconduction carbon black and polyvinyl fluoride is 1:3:7:9 according to mass ratio in the step (1).
3. the preparation method of new type lithium ion battery according to claim 1 is characterized in that, the mixed proportion of the carbon black in the step (2), sodium carboxymethylcellulose and propyl benzene rubber is 5:3:6 according to mass ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102268867A CN103337664A (en) | 2013-06-08 | 2013-06-08 | Novel preparation method of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102268867A CN103337664A (en) | 2013-06-08 | 2013-06-08 | Novel preparation method of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
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| CN103337664A true CN103337664A (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013102268867A Pending CN103337664A (en) | 2013-06-08 | 2013-06-08 | Novel preparation method of lithium ion battery |
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| CN (1) | CN103337664A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010033962A1 (en) * | 2000-04-19 | 2001-10-25 | Nec Mobile Energy Corporation | Sealed battery and method for manufacturing the same |
| CN1389945A (en) * | 2001-05-31 | 2003-01-08 | 三洋电机株式会社 | Nonaqueous electrolyte secondary battery |
| CN101714655A (en) * | 2009-11-20 | 2010-05-26 | 东莞新能源电子科技有限公司 | Lithium-ion secondary battery |
-
2013
- 2013-06-08 CN CN2013102268867A patent/CN103337664A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010033962A1 (en) * | 2000-04-19 | 2001-10-25 | Nec Mobile Energy Corporation | Sealed battery and method for manufacturing the same |
| CN1389945A (en) * | 2001-05-31 | 2003-01-08 | 三洋电机株式会社 | Nonaqueous electrolyte secondary battery |
| CN101714655A (en) * | 2009-11-20 | 2010-05-26 | 东莞新能源电子科技有限公司 | Lithium-ion secondary battery |
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Owner name: ZHENG YULIN Free format text: FORMER OWNER: SUZHOU NUOXIN INNOVATION ENERGY CO., LTD. Effective date: 20140404 |
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Free format text: CORRECT: ADDRESS; FROM: 215121 SUZHOU, JIANGSU PROVINCE TO: 518052 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20140404 Address after: 518052 room 217, West Tower, Nanshan digital culture industry base, Shenzhen, Nanshan District, Guangdong Applicant after: Zheng Yulin Address before: 215121, No. 3, Jinling West Road, 288 Town, Suzhou Industrial Park, Jiangsu Province, 309 Applicant before: Suzhou Nuoxin Innovation Energy Co., Ltd. |
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Application publication date: 20131002 |