CN206834275U - A kind of high multiplying power lithium ion battery - Google Patents
A kind of high multiplying power lithium ion battery Download PDFInfo
- Publication number
- CN206834275U CN206834275U CN201720684605.6U CN201720684605U CN206834275U CN 206834275 U CN206834275 U CN 206834275U CN 201720684605 U CN201720684605 U CN 201720684605U CN 206834275 U CN206834275 U CN 206834275U
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- negative
- plate
- multiplying power
- 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
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Classifications
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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
-
- 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 utility model discloses a kind of high multiplying power lithium ion battery, the lithium ion battery is stack type lithium ion battery, the battery case that the battery formed is stacked gradually by the positive plate of barrier film isolation, negative plate and is encapsulated battery forms, positive plate is made up of positive electrode and plus plate current-collecting body, negative plate is made up of negative material and negative current collector, and plus plate current-collecting body and negative current collector surface are all provided with being set to Microvia structure；Lithium ion battery of the present utility model, by the way that current collector structure is arranged into Microvia structure, can effectively limiting lithium ion is embedded and abjection electrode material caused by electrode volume change, the integrality of holding electrode structure.Microvia adds the contact area between electrode material and collector, the adhesion at interface can be effectively improved, not only it ensure that good contact but also improved conductive environment, and avoided the increase of lithium ion battery internal resistance, so as to improve the capacity of lithium ion battery, high rate performance and cycle performance.
Description
Technical field
Technical field of lithium batteries is the utility model is related to, more particularly to a kind of high multiplying power lithium ion battery.
Background technology
With the development of World Economics, the improvement of people's living standards, the contradiction day between energy resource supply and energy demand
It is beneficial sharp.With the continuous excavation of development potentiality of the lithium ion battery in terms of energy and energy storage, lithium ion battery progresses into
The sight of the public.At present in terms of lithium ion battery, positive and negative pole material, electrolyte and barrier film of the people to lithium ion battery
The research of material it is more, it is and less to research in terms of collector.
Utility model content
The defects of the purpose of this utility model is to overcome prior art, there is provided a kind of high multiplying power lithium ion battery, it is described
What the technical scheme of high multiplying power lithium ion battery was realized in：
A kind of high multiplying power lithium ion battery, it is characterised in that：The lithium ion battery is stack type lithium ion battery, be by
Positive plate, the negative plate of barrier film isolation stack gradually the battery to be formed and form the battery case of battery encapsulation, it is described just
Electrolyte is provided between pole piece and barrier film, negative plate and barrier film, the positive plate is by positive electrode and plus plate current-collecting body group
Into, the negative plate is made up of negative material and negative current collector, plus plate current-collecting body and the negative current collector surface
It is all provided with being set to Microvia structure.
Further, the plus plate current-collecting body is aluminium foil, and the negative current collector is copper foil.
Further, the thickness of the plus plate current-collecting body and negative current collector is 120~180 μm.
Further, the aperture of the Microvia is 100~150 μm, and hole depth is 50~100 μm.
Further, the positive electrode is nickel ion doped (LiNi0.5Mn1.5O4), the negative material is porous carbon
With TiO2Nanocrystal composite.
Lithium ion battery of the present utility model, by the way that current collector structure is arranged into Microvia structure, can effectively it limit
The change of electrode volume, the integrality of holding electrode structure caused by preparing lithium ion insertion and abjection electrode material.Microvia increases
Add the contact area between electrode material and collector, the adhesion at interface can be effectively improved, both ensure that good connect
Touch improves conductive environment again, the increase of lithium ion battery internal resistance is avoided, so as to improve the capacity of lithium ion battery, multiplying power
Performance and cycle performance.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model lithium ion battery；
Fig. 2 is the collector sectional schematic diagram of the utility model lithium ion battery.
Reference：1- positive plates, 2- electrolyte, 3- barrier films, 4- negative plates, 5- battery cases, 6- Microvias, 10- positive poles
Collector, 40- negative current collectors.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1~Fig. 2, a kind of high multiplying power lithium ion battery, the lithium ion battery is stack type lithium ion battery,
It is that positive plate 1, the negative plate 4 isolated by barrier film 3 stack gradually the battery formed and 5 groups of battery case for encapsulating battery
Into being provided with electrolyte 2 between the positive plate 1 and barrier film 3, negative plate 4 and barrier film 3, the positive plate 1 is by positive electrode
Formed with plus plate current-collecting body 10, the negative plate 4 is made up of negative material and negative current collector 40, the anode collection
Body 10 and the surface of negative current collector 40 are all provided with being set to Microvia structure.
When it is implemented, the plus plate current-collecting body 10 is aluminium foil, the negative current collector 40 is copper foil.
Preferably, the thickness of the plus plate current-collecting body 10 and negative current collector 40 is 120~180 μm.
It is further preferred that the aperture of the Microvia 6 is 100~150 μm, hole depth is 50~100 μm.
Further, the positive electrode is nickel ion doped (LiNi0.5Mn1.5O4), the negative material is porous carbon
With TiO2Nanocrystal composite.
Technology contents and technical characteristic of the present utility model have revealed that as above those skilled in the art still may base
The replacement and modification without departing substantially from the utility model in essence are made in teaching of the present utility model, therefore, the utility model protection
Scope is not limited to the content disclosed in embodiment, also including various replacements and modification without departing substantially from the utility model in essence.
Claims (5)
- A kind of 1. high multiplying power lithium ion battery, it is characterised in that：The lithium ion battery is stack type lithium ion battery, be by every Positive plate, the negative plate of film isolation stack gradually the battery to be formed and formed the battery case of battery encapsulation, the positive pole Electrolyte is provided between piece and barrier film, negative plate and barrier film, the positive plate is made up of positive electrode and plus plate current-collecting body , the negative plate is made up of negative material and negative current collector, and plus plate current-collecting body and the negative current collector surface is equal It is arranged to Microvia structure.
- 2. high multiplying power lithium ion battery according to claim 1, it is characterised in that：The plus plate current-collecting body is aluminium foil, institute It is copper foil to state negative current collector.
- 3. high multiplying power lithium ion battery according to claim 1, it is characterised in that：The plus plate current-collecting body and negative pole currect collecting The thickness of body is 120~180 μm.
- 4. high multiplying power lithium ion battery according to claim 1, it is characterised in that：The aperture of the Microvia be 100~ 150 μm, hole depth is 50~100 μm.
- 5. high multiplying power lithium ion battery according to claim 1, it is characterised in that：The positive electrode is nickel ion doped (LiNi0.5Mn1.5O4), the negative material is porous carbon and TiO2Nanocrystal composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684605.6U CN206834275U (en) | 2017-06-13 | 2017-06-13 | A kind of high multiplying power lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684605.6U CN206834275U (en) | 2017-06-13 | 2017-06-13 | A kind of high multiplying power lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834275U true CN206834275U (en) | 2018-01-02 |
Family
ID=60775790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720684605.6U Expired - Fee Related CN206834275U (en) | 2017-06-13 | 2017-06-13 | A kind of high multiplying power lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206834275U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037590A (en) * | 2018-07-24 | 2018-12-18 | 安普瑞斯（无锡）有限公司 | A kind of punching electrodes of lithium-ion batteries and lithium ion secondary battery |
| CN110649268A (en) * | 2019-09-29 | 2020-01-03 | 昆山宝创新能源科技有限公司 | Negative current collector for lithium battery and lithium battery |
| CN113224260A (en) * | 2021-03-23 | 2021-08-06 | 广州中国科学院工业技术研究院 | High-rate lithium battery structure and implementation method |
-
2017
- 2017-06-13 CN CN201720684605.6U patent/CN206834275U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037590A (en) * | 2018-07-24 | 2018-12-18 | 安普瑞斯（无锡）有限公司 | A kind of punching electrodes of lithium-ion batteries and lithium ion secondary battery |
| CN110649268A (en) * | 2019-09-29 | 2020-01-03 | 昆山宝创新能源科技有限公司 | Negative current collector for lithium battery and lithium battery |
| CN110649268B (en) * | 2019-09-29 | 2021-01-19 | 昆山宝创新能源科技有限公司 | Negative current collector for lithium battery and lithium battery |
| CN113224260A (en) * | 2021-03-23 | 2021-08-06 | 广州中国科学院工业技术研究院 | High-rate lithium battery structure and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180102 Termination date: 20200613 |