CN102044699A - Preparation method of lithium ion polymer battery suitable for reference electrode - Google Patents
Preparation method of lithium ion polymer battery suitable for reference electrode Download PDFInfo
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- CN102044699A CN102044699A CN2010105917061A CN201010591706A CN102044699A CN 102044699 A CN102044699 A CN 102044699A CN 2010105917061 A CN2010105917061 A CN 2010105917061A CN 201010591706 A CN201010591706 A CN 201010591706A CN 102044699 A CN102044699 A CN 102044699A
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- reference electrode
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- battery
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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
Abstract
The invention relates to a preparation method of a lithium ion polymer battery suitable for a reference electrode. The method comprises the following steps: a battery electrode assembly consists of a positive plate, a negative plate, insulating diaphragms, a positive electrode ear and a negative electrode ear; the reference electrode consists of a lithium plate, a negative electrode ear and a small insulating diaphragm; the electrode assembly is a regular square, the positive and negative electrode ears are on one side or separately on both sides of the electrode assembly, the reference electrode is arranged between two diaphragms of the electrode assembly; and a core is used as the shaft and the fully automatic winding method is adopted to obtain the finished electrode assembly. In a dry condition, the lithium plate is rolled to be covered on the other negative electrode ear; and the lithium plate is fixed on the metal negative electrode ear through rolling, and the insulating diaphragm is covered on the lithium plate with an adhesive tape or adhesive which has adhesive action. By adopting the method, the diaphragm can be covered on the lithium plate, the direct contact of the lithium plate with the positive and negative electrodes can be avoided; and the electrochemical reaction of the positive electrode and negative electrode of the battery can be analyzed by using the reference electrode and the battery negative electrode/positive electrode (N/P) is verified and the battery is ensured to have good performance.
Description
Technical field
The present invention relates to a kind of manufacture method of battery, particularly a kind of manufacture method that is applicable to the reference electrode polymer Li-ion battery
Background technology
At present, along with the continuous development of lithium ion battery industry, more and more higher to the performance requirement of battery, capacity is increasing, reduce N/P and be undoubtedly a kind of method that improves capacity, but N/P too reduces, easily cause producing in the battery cyclic process and analyse the lithium phenomenon, stay potential safety hazard.If make the reference electrode battery, can verify that promptly the N/P of battery is more suitable than whether, guarantee the premium properties of battery.
Therefore, providing the manufacture method that a kind of technology is simple, obvious results is applicable to the reference electrode polymer Li-ion battery, is one of these those skilled in the art problem that should address.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, the manufacture method that a kind of technology is simple, easy to operate, obvious results is applicable to the reference electrode polymer Li-ion battery is provided; By the checking of the realization of the method described in the present invention, improve the security of products energy to the N/P of battery.
Implementation of the present invention is as follows for achieving the above object:
A kind of manufacture method that is applicable to the reference electrode polymer Li-ion battery is characterized in that implementation step comprises:
Battery utmost point group is made up of positive plate, negative plate, insulation diaphragm and positive and negative lug; Reference electrode is made up of a slice lithium sheet, negative electrode lug, a small pieces insulation diaphragm; Utmost point group is regular square, and positive and negative lug is positioned at a side or the opposite side both sides of utmost point group, and reference electrode is positioned in the utmost point group between the two-layer barrier film; With the volume core is axle, adopts full automatic winding, obtains the most ultimate group;
By rolling pressure the lithium sheet is fixed on the metal negative electrode lug, adopts adhesive tape or glue that barrier film is coated on the lithium sheet with cementation;
The negative electrode lug that will be coated with the lithium sheet with the small pieces barrier film encases, and adopts adhesive tape or has the material of cementation that barrier film is fixed, and makes reference electrode;
The lithium sheet that barrier film is coated is positioned in the utmost point group between the two-layer barrier film as reference electrode, and reference electrode can not contact with both positive and negative polarity, and the material that makes the location be adopted does not react with positive and negative pole material and electrolyte, avoids producing short circuit;
The utmost point group that adopts plastic-aluminum encapsulation bag will be surrounded by reference electrode encapsulates, and carries out fluid injection, the operation of monolateral envelope routinely; Guarantee that barrier film coats the lithium sheet, avoid the lithium sheet to contact with the direct of negative pole, by analyzing the electrochemical reaction process of battery plus-negative plate, checking N/P with anodal.
The invention has the beneficial effects as follows: technology of the present invention is simple, operation standard, consistent, workable, applied range, and very effect is remarkable.Can analyze the both positive and negative polarity electrochemical reaction of battery, can effectively verify the N/P of battery simultaneously, guarantee the premium properties of battery.This method is specially adapted to the checking of takeup type electricity core N/P.
Embodiment
Below in conjunction with preferred embodiment, to according to embodiment provided by the invention, details are as follows for feature:
A kind of manufacture method that is applicable to the reference electrode polymer Li-ion battery, concrete implementation step comprises:
Battery utmost point group is made up of positive plate, negative plate, insulation diaphragm and positive and negative lug; Reference electrode is made up of a slice lithium sheet, negative electrode lug, a small pieces insulation diaphragm; Utmost point group is regular square, and positive and negative lug is positioned at a side or the opposite side both sides of utmost point group, and reference electrode is positioned in the utmost point group between the two-layer barrier film; With the volume core is axle, adopts full automatic winding, obtains the most ultimate group.
Under drying condition, the pressure mode is rolled in the employing of lithium sheet be coated on another negative electrode lug; By rolling pressure the lithium sheet is fixed on the metal negative electrode lug, adopts adhesive tape or glue that barrier film is coated on the lithium sheet with cementation.
The negative electrode lug that will be coated with the lithium sheet with the small pieces barrier film encases, and adopts adhesive tape or has the material of cementation that barrier film is fixed, and makes reference electrode.
The lithium sheet that barrier film is coated is positioned in the utmost point group between the two-layer barrier film as reference electrode, and reference electrode can not contact with both positive and negative polarity, and the material that makes the location be adopted does not react with positive and negative pole material and electrolyte, avoids producing short circuit.
Under drying condition, the utmost point group that adopts plastic-aluminum encapsulation bag will be surrounded by reference electrode encapsulates, and carries out fluid injection, the operation of monolateral envelope routinely; Guarantee that barrier film coats the lithium sheet, avoid the lithium sheet to contact with the direct of negative pole, by analyzing the electrochemical reaction process of battery plus-negative plate, checking N/P with anodal.
Experimental result proves:
The making reference electrode battery of this manufacture method success, and practical operation is simple, is easy to make, and the N/P that verifies battery is had positive effect.
Above-mentionedly this is applicable to the detailed description that the manufacture method of reference electrode polymer Li-ion battery is carried out with reference to embodiment; be illustrative rather than determinate; therefore in the variation and the modification that do not break away under the general plotting of the present invention, should belong within protection scope of the present invention.
Claims (1)
1. manufacture method that is applicable to the reference electrode polymer Li-ion battery is characterized in that implementation step comprises:
Battery utmost point group is made up of positive plate, negative plate, insulation diaphragm and positive and negative lug; Reference electrode is made up of a slice lithium sheet, negative electrode lug, a small pieces insulation diaphragm; Utmost point group is regular square, and positive and negative lug is positioned at a side or the opposite side both sides of utmost point group, and reference electrode is positioned in the utmost point group between the two-layer barrier film; With the volume core is axle, adopts full automatic winding, obtains the most ultimate group;
By rolling pressure the lithium sheet is fixed on the metal negative electrode lug, adopts adhesive tape or glue that barrier film is coated on the lithium sheet with cementation;
The negative electrode lug that will be coated with the lithium sheet with the small pieces barrier film encases, and adopts adhesive tape or has the material of cementation that barrier film is fixed, and makes reference electrode;
The lithium sheet that barrier film is coated is positioned in the utmost point group between the two-layer barrier film as reference electrode, and reference electrode can not contact with both positive and negative polarity, and the material that makes the location be adopted does not react with positive and negative pole material and electrolyte, avoids producing short circuit;
The utmost point group that adopts plastic-aluminum encapsulation bag will be surrounded by reference electrode encapsulates, and carries out fluid injection, the operation of monolateral envelope routinely; Guarantee that barrier film coats the lithium sheet, avoid the lithium sheet to contact with the direct of negative pole, by analyzing the electrochemical reaction process of battery plus-negative plate, checking N/P with anodal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105917061A CN102044699A (en) | 2010-12-16 | 2010-12-16 | Preparation method of lithium ion polymer battery suitable for reference electrode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105917061A CN102044699A (en) | 2010-12-16 | 2010-12-16 | Preparation method of lithium ion polymer battery suitable for reference electrode |
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| CN102044699A true CN102044699A (en) | 2011-05-04 |
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| CN2010105917061A Pending CN102044699A (en) | 2010-12-16 | 2010-12-16 | Preparation method of lithium ion polymer battery suitable for reference electrode |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9874610B2 (en) | 2011-12-20 | 2018-01-23 | Huawei Technologies Co., Ltd. | Battery |
| CN110007245A (en) * | 2019-03-19 | 2019-07-12 | 合肥国轩高科动力能源有限公司 | A kind of method of three electrode detections lithium ion battery N/P than design rationality |
| CN110648860A (en) * | 2019-10-12 | 2020-01-03 | 福建师范大学 | Preparation method of ternary material coated with polyaluminium-graphene |
| CN111584815A (en) * | 2019-02-18 | 2020-08-25 | 三洋电机株式会社 | Secondary battery |
| CN111600077A (en) * | 2020-05-29 | 2020-08-28 | 重庆金康新能源汽车有限公司 | Battery cell with coated lithium reference electrode and method of providing |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9874610B2 (en) | 2011-12-20 | 2018-01-23 | Huawei Technologies Co., Ltd. | Battery |
| CN111584815A (en) * | 2019-02-18 | 2020-08-25 | 三洋电机株式会社 | Secondary battery |
| CN110007245A (en) * | 2019-03-19 | 2019-07-12 | 合肥国轩高科动力能源有限公司 | A kind of method of three electrode detections lithium ion battery N/P than design rationality |
| CN110007245B (en) * | 2019-03-19 | 2021-08-06 | 合肥国轩高科动力能源有限公司 | Method for detecting N/P ratio design rationality of lithium ion battery by three electrodes |
| CN110648860A (en) * | 2019-10-12 | 2020-01-03 | 福建师范大学 | Preparation method of ternary material coated with polyaluminium-graphene |
| CN110648860B (en) * | 2019-10-12 | 2021-07-13 | 福建师范大学 | Preparation method of ternary material coated with polyaluminium-graphene |
| CN111600077A (en) * | 2020-05-29 | 2020-08-28 | 重庆金康新能源汽车有限公司 | Battery cell with coated lithium reference electrode and method of providing |
| CN111600077B (en) * | 2020-05-29 | 2021-07-06 | 重庆金康新能源汽车有限公司 | Battery cell with coated lithium reference electrode and method of providing |
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Application publication date: 20110504 |