CN108470942A - A kind of high-efficiency battery with three layers of electrode structure - Google Patents
A kind of high-efficiency battery with three layers of electrode structure Download PDFInfo
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- CN108470942A CN108470942A CN201810180723.2A CN201810180723A CN108470942A CN 108470942 A CN108470942 A CN 108470942A CN 201810180723 A CN201810180723 A CN 201810180723A CN 108470942 A CN108470942 A CN 108470942A
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- battery
- layers
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- diaphragm
- cathode
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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
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
It is generally made by the way of anode, electrolyte, diaphragm, negative electrode layer lap winding in current ion battery, there are one apparent disadvantages for this mode, be exactly positive electrode utilization rate it is not high, cause battery energy density inadequate, cannot be satisfied the needs of electric vehicle；It can be released from the principle of battery, increase the effective affecting acreage of electrode, reduced the internal resistance of cell, can effectively promote battery performance index；The object of the present invention is to provide a kind of new battery structures, promote the utilization rate of electrode, reduce the internal resistance of cell, than the battery structure using traditional approach, significantly improve the performance of battery.
Description
Technical field
The present invention relates to electric power, electronic field, be a kind of high power density with three layers of electrode, energy density it is secondary
Battery.
Background technology
Battery（Battery）Refer to fill electrolyte solution and metal electrode with generate electric current cup, slot or other containers or
Chemical energy can be converted to the device of electric energy by the segment space of clad vessel.The performance parameter of battery mainly has electromotive force, holds
It measures, than energy and internal resistance.In chemical cell, it is to lean on inside battery is spontaneous to be aoxidized, also that chemical energy, which is directly translated into electric energy,
The chemical reactions such as original as a result, it is this reaction carried out on two electrodes respectively.Negative electrode active material is relatively negative by current potential and in electricity
The reducing agent composition that Xie Zhizhong stablizes, such as zinc, cadmium, lead active metal and hydrogen or hydrocarbon etc..Positive active material by
Current potential calibration and oxidant composition stable in the electrolyte, such as manganese dioxide, brown lead oxide, nickel oxide metal oxide,
Oxygen or air, halogen and its esters, oxyacid and its esters etc..Electrolyte is then the material for having good ionic conductivity, such as
The aqueous solution of acid, alkali, salt, organic or inorganic non-aqueous solution, fuse salt or solid electrolyte etc..
Lithium ion battery：It is a kind of secondary cell（Rechargeable battery）, it relies primarily on lithium ion between a positive electrode and a negative electrode
Movement carrys out work.In charge and discharge process, Li+ embedded and deintercalations back and forth between two electrodes：When charging, Li+ is de- from anode
It is embedding, it is embedded in cathode by electrolyte, cathode is in rich lithium state；It is then opposite when electric discharge.Lithium ion battery is mainly by five part structures
At i.e. positive electrode, negative material, electrolyte, diaphragm and packaging material.Wherein, packaging material and graphite cathode technology are opposite
Maturation, cost accounting be not high.The core material of lithium ion battery is mainly positive electrode, electrolyte and diaphragm.Wherein, positive material
Material is the most key raw material of lithium battery, accounts for about 40% or so of battery cost, accounts for the 50% of battery weight.
It is generally made by the way of anode, electrolyte, diaphragm, negative electrode layer lap winding in current ion battery, it is this
Mode there are one apparent disadvantage, be exactly positive electrode utilization rate it is not high, cause battery energy density inadequate, cannot be satisfied electricity
The needs of electrical automobile.It can be released from the principle of battery, increase the effective affecting acreage of electrode, reduce the internal resistance of cell, Ke Yiyou
The promotion battery performance index of effect.
The present invention uses three layers of electrode structure for the first time according to the insufficient present situation of cathode performance of entire battery industry, can
, can be than traditional structure battery to be effectively reduced electrode cost and battery weight, reduce internal resistance, improving performance, performance is about
One times is promoted, the target of primary 1000 kilometers of the traveling of electric vehicle charging can be met.
Invention content
The object of the present invention is to provide a kind of new battery structures, promote the utilization rate of electrode, the internal resistance of cell are reduced, than adopting
With the battery structure of traditional approach, the performance of battery is significantly improved.
A kind of high-efficiency battery with three layers of electrode structure, it is characterised in that use " cathode+diaphragm+anode+diaphragm+
Three layers of electrode structure of cathode " are full of electrolyte between positive and negative electrode, and when battery work, anode is born with both sides simultaneously
Charge and discharge reaction occurs for pole, improves the utilization rate of positive electrode, reduces the internal resistance of battery, improve energy density and work(
Rate density, while reducing production cost.
Present invention topic is realized using following technical scheme：
A kind of high-efficiency battery with three layers of electrode structure is arranged in sequence by cathode, diaphragm, anode, diaphragm, cathode
Made of coiling, electrolyte is full of wherein between positive and negative electrode, the cathode of wherein both sides is finally packaged together, and forms a standard
The battery of external form.
Preferably, the positive and negative electrode collector is made by the foam metal of low-density, high specific area, high adsorption.
Preferably, two faces of the intermediate positive electrode current collector should material having the same, technique be made.
Preferably, the both sides negative electrode should use identical material and technique to be made.
Preferably, the intermediate positive electrode adsorbs carrier（Lithium ion etc.）Volume capability, should be slightly below two cathode suction
Attached carrier（Lithium ion etc.）The sum of quantity.
Preferably, two layers of diaphragm, electrolyte should performance having the same, parameters.
Preferably, according to actual needs, this structure can also be in the way of anode, diaphragm, cathode, diaphragm, anode
It arranges.
Description of the drawings：
Fig. 1 is three layers of electrode structure schematic diagram.
The battery of structure manufacture using the present invention, has the following advantages：
1, the battery produced using this structure is equivalent to a workflow and produces two batteries, and improving productivity 80% is taken
With reduction by 40%.
2, the battery produced using this structure, positive utilization rate improve one times, save material about 30%, reduce raw material
Cost.
3, the battery produced using this structure saves package stock about 30%, has higher energy density.
4, the internal resistance of cell reduces one times, reduces heat production and energy consumption, improves the stability of battery.
5, the foam metal material collector electrode produced using this structure, specific surface area is 100 times of traditional electrode,
Effective affecting acreage can be promoted an order of magnitude, to significantly promote battery energy density.
Specific implementation mode
Principle according to the present invention, a kind of high-efficiency battery with three layers of electrode structure：
Example 1.
As shown in Fig. 1, a kind of efficient lithium ion battery with three layers of electrode structure, by cathode 1, diaphragm 1, anode, every
Electrolyte between film 2, cathode 2 and positive and negative electrode is constituted.It is negative that cathode 1, cathode 2 are connected to shell when battery encapsulates simultaneously
On extremely.When battery works, in the case where needing same discharge current, traditional battery structure is compared, between internal electrode
Work area increases one times, and internal current can reduce one times, and fever and interior resistance can all reduce by one times, to allow battery to work
It is more stable.
The foregoing describe the basic principles and main features and advantages of the present invention of the present invention.The technical staff of the industry answers
The understanding, the present invention is not limited to the above embodiments, and the above embodiments and description only describe of the invention former
A kind of applicable cases of reason only change quantity, shape, material, the peace of component without departing from the principle of the present invention
The parameters such as dress mode, size, these changes and improvements belong to the scope of the present invention.
Claims (8)
1. a kind of high-efficiency battery with three layers of electrode structure, it is characterised in that use " cathode+diaphragm+anode+diaphragm+negative
Three layers of electrode structure of pole " are full of electrolyte between positive and negative electrode, when battery work, anode while and both sides cathode
Charge and discharge reaction occurs, improves the utilization rate of positive electrode, reduces the internal resistance of battery, improve energy density and power
Density, while reducing production cost.
2. according to claim 1, a kind of high-efficiency battery with three layers of electrode structure, it is characterized in that by cathode, diaphragm, anode,
Diaphragm, cathode made of arranging coiling in sequence, are full of electrolyte wherein between positive and negative electrode, the cathode of wherein both sides finally seals
It is fitted together, forms the battery of a standard external form.
3. according to claim 1,2, a kind of high-efficiency battery with three layers of electrode structure, characterized in that preferably, described
Positive and negative electrode collector is made by the foam metal of low-density, high specific area, high adsorption.
4. according to claim 1,2, a kind of high-efficiency battery with three layers of electrode structure, characterized in that preferably, described
Two faces of intermediate positive electrode current collector should material having the same, technique be made.
5. according to claim 1,2, a kind of high-efficiency battery with three layers of electrode structure, characterized in that preferably, described
Both sides negative electrode should use identical material and technique to be made.
6. according to claim 1,2, a kind of high-efficiency battery with three layers of electrode structure, characterized in that preferably, described
Intermediate positive electrode adsorbs carrier（Lithium ion etc.）Volume capability, should be slightly below two cathode absorption carrier（Lithium ion etc.）'s
The sum of quantity.
7. according to claim 1,2, a kind of high-efficiency battery with three layers of electrode structure, characterized in that preferably, described
Two layers of diaphragm, electrolyte should performance having the same, parameters.
8. according to claim 1,2, a kind of high-efficiency battery with three layers of electrode structure, characterized in that preferably, according to
Actual needs, this structure can also arrange in the way of anode, diaphragm, cathode, diaphragm, anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180723.2A CN108470942A (en) | 2018-03-05 | 2018-03-05 | A kind of high-efficiency battery with three layers of electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180723.2A CN108470942A (en) | 2018-03-05 | 2018-03-05 | A kind of high-efficiency battery with three layers of electrode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108470942A true CN108470942A (en) | 2018-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810180723.2A Withdrawn CN108470942A (en) | 2018-03-05 | 2018-03-05 | A kind of high-efficiency battery with three layers of electrode structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN108470942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133885A (en) * | 2020-09-23 | 2020-12-25 | 深圳中科瑞能实业有限公司 | Battery core and secondary battery with three-layer pole piece structure |
-
2018
- 2018-03-05 CN CN201810180723.2A patent/CN108470942A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133885A (en) * | 2020-09-23 | 2020-12-25 | 深圳中科瑞能实业有限公司 | Battery core and secondary battery with three-layer pole piece structure |
| CN112133885B (en) * | 2020-09-23 | 2022-08-12 | 深圳中科瑞能实业有限公司 | Battery core and secondary battery with three-layer pole piece structure |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180831 |
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| WW01 | Invention patent application withdrawn after publication |