CN206685484U - The rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll - Google Patents
The rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll Download PDFInfo
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- CN206685484U CN206685484U CN201621398632.9U CN201621398632U CN206685484U CN 206685484 U CN206685484 U CN 206685484U CN 201621398632 U CN201621398632 U CN 201621398632U CN 206685484 U CN206685484 U CN 206685484U
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- wide temperature
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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 utility model provides a kind of rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll, including electrode plates, lug and barrier film;Electrode plates include anode pole piece and cathode pole piece, and the collector of anode pole piece is aluminium foil, have aluminium strip welding during film-making；The collector of cathode pole piece is copper foil, has nickel strap welding during film-making；Lug includes positive pole ear and negative lug, and positive pole ear and negative lug are arranged at middle part during electrode plates expansion.The battery structure is designed to preferably be applied to the wide temperature lithium battery of rear-earth-doped LiMn2O4 Soft Roll, the charge-discharge characteristic of the rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll, improves the efficiency for charge-discharge and service life of the battery.
Description
Technical field
Lithium battery production technical field is the utility model is related to, more specifically, more particularly to a kind of rear-earth-doped mangaic acid
The wide temperature lithium battery of lithium Soft Roll.
Background technology
Since entering information age, cybertimes with the continuous development of social civilization in recent years, especially human society,
More thirst for the electric energy of high quality.Therefore act is played by the inevitable society in future based on electric energy of battery, especially secondary cell
The effect of sufficient weight.Since the end of the nineties in last century, the portable electric appts such as mobile phone, notebook computer are with surprising
Speed is quickly popularized in the world, and increasingly faster enters common people house.Resultant is to Miniature Power Unit demand
Amount increases sharply.Because portable electric appts have the characteristics of dexterous, light, therefore they need with small volume, held
Amount is big, the Miniature Power Unit of the advantage of light weight.In numerous battery systems, lithium ion battery is commonly called as " lithium electricity ", be latest model,
One of best secondary cell of combination property.The atomic weight of lithium metal is 6.94, density 0.534g/cm3, is most light in metal
Element, its theoretical discharge capacity is 3860mAh/g or 2060 mAh/cm3, and standard electrode potential is -3.045V, be again gold
Belong to the element that current potential is most negative in element, therefore, it turns into the very attractive negative material of high energy battery.Lithium from
The appearance of sub- battery deserve to be called in secondary cell history great-leap-forward leap, in more than the 10 subsequent years, its be commercialized into
Journey achieves the development advanced by leaps and bounds.Lithium ion battery is latest generation high-energy-density cleaning chemistry power supply, because it has energy
The series of advantages of height, long, the in light weight, small volume of service life etc., causes the common concern of international battery circle and scientific and technological circle, and one
Cause thinks that nickel-cadmium cell and part Ni-MH battery will be finally replaced in it, comes out top in the secondary battery.
It is a kind of Gao Rong and the wide temperature New Rare Earth lithium ion battery in lithium battery is mainly using height temperature technique as bright spot
Amount, long-life, the energy-storage battery of low cost, occupancy volume is smaller relative to traditional battery, and low-temperature-resistant subzero 45 is taken the photograph
Family name's degree, 65 degrees Celsius above freezing of high temperature resistant, it can adapt to the low temperature area in the north.Held out broad prospects in fields such as 3G, 4G, and extensively
General to be used for military field, such as panzer, tank special technical soldier individual combat, civil area is used for pure electric vehicle, electrical salf-walking
The multiple fields such as car, battery-operated motor cycle, dual-use with gasoline and electricity car.Such as the rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll, can be -45
Used under DEG C environment.
Utility model content
（One）Technical problem
Because the wide temperature lithium battery of rear-earth-doped LiMn2O4 Soft Roll is a kind of novel lithium battery, lack to fit in the prior art
Structure design assigned in the wide temperature lithium battery of this kind of Soft Roll, i.e., the external structure design of traditional soft package lithium battery can not be applied to should
The rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll.
（Two）Technical scheme
The utility model provides a kind of wide temperature lithium battery of rear-earth-doped LiMn2O4 Soft Roll, including electrode plates, lug and
Barrier film;
The electrode plates include anode pole piece and cathode pole piece, and the collector of the anode pole piece is aluminium foil, during film-making
There is aluminium strip welding；
The collector of the cathode pole piece is copper foil, has nickel strap welding during film-making；
The lug includes positive pole ear and negative lug, and the positive pole ear and negative lug are arranged at the electrode
Middle part when pole piece deploys.
Wherein, positive pole made of the just extremely rear-earth-doped mangaic acid lighium polymer of the battery.
Wherein, the inside battery uses 4 battery assembled in parallel structures.
（Three）Beneficial effect
By said structure design, the utility model uses the collector of anode pole piece for aluminium foil, is welded with aluminium strip, negative pole
The collector of pole piece is copper foil, is welded with the structure design of nickel strap, fully coordinates the wide temperature lithium battery of rear-earth-doped LiMn2O4 Soft Roll
Charge-discharge characteristic, by by lug be arranged on electrode plates deploy when middle part, reduce electric current in electrode slice transfer
Resistance during shifting（That is the internal resistance of battery）, so as to reduce the in-fighting of battery in use, further increase battery
Efficiency for charge-discharge and service life.
Brief description of the drawings
Fig. 1 is that pole piece and barrier film stack sequence chart；
Fig. 2 is the structural representation of the wide temperature lithium battery of the utility model embodiment middle rare earth adulterated lithium manganate Soft Roll.
Embodiment
Embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples.Following examples
For illustrating the utility model, but can not be used for limiting the scope of the utility model.
In description of the present utility model, unless otherwise indicated, " multiple " are meant that two or more；Term
The orientation or position of the instruction such as " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody " are closed
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance.
, it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
The utility model embodiment provide a kind of wide temperature lithium battery of rear-earth-doped LiMn2O4 Soft Rolls of 10Ah, refer to Fig. 1 and
Fig. 2, Fig. 1 are that pole piece and barrier film stack sequence chart；Fig. 2 is the wide temperature lithium of the utility model embodiment middle rare earth adulterated lithium manganate Soft Roll
The structural representation of battery.
The battery is that positive electrode is the wide temperature lithium battery of rear-earth-doped LiMn2O4 Soft Roll, including electrode plates, lug and every
Film 3, electrode plates include anode pole piece 11 and cathode pole piece 12, and the collector of anode electrode pole piece is aluminium foil, have aluminium during film-making
Welding；The collector of cathode pole piece is copper foil, has nickel strap welding during film-making, positive pole ear 21 and negative lug 22 are arranged at
Middle part when electrode plates deploy.
Preferably, internal to use 4 battery core assembled in parallel, the internal resistance of cell is small, and service life is long, efficiency for charge-discharge is high.
Lithium ion battery and its traditional structural design in currently available technology, have that internal resistance is big, and self discharge is big, circulate the longevity
The shortcomings of ordering short, Acclimation temperature narrow scope.
Unique battery structure design that the utility model embodiment provides, can preferably be applied to rear-earth-doped mangaic acid
The wide temperature lithium battery of lithium Soft Roll, improve the efficiency for charge-discharge and service life of battery.
In addition, rare earth doped yttrium LiMn2O4, be advantageous to stablize the spinel structure of LiMn2O4.Improve reversible capacity and circulation
Performance.The rare earth Yt doped wide temperature lithium 10AH batteries of LiMn2O4 Soft Roll are exactly that rare earth yttrium is mixed in lithium manganate material, yttrium ginseng
It is miscellaneous in LiMn2O4In can form LiY0.02Mn1.98O4Compound.The rare earth element mixed does not change the crystal structure of raw material,
Only change its lattice parameter c.Because rare earth atom radius is larger, C can be increased, that is, mean that interlamellar spacing becomes big, then also
With faster Li+ insertions and ability of moving out, more excellent stable charge/discharge.Play extension lithium ion deintercalation passage and stably
The effect of skeleton structure.Centre position when electrode plates deploy is designed by pole piece, lug, demonstrates it with higher
Reversible capacity and good cycle performance.High/low temperature strong adaptability, can be at -20 DEG C -- used in the environment of 60 DEG C.
Embodiment of the present utility model in order to example and description for the sake of and provide, and be not exhaustively or will
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Selection and description embodiment are to more preferably illustrate principle and practical application of the present utility model, and make this area
Those of ordinary skill it will be appreciated that the utility model so as to designing the various embodiments with various modifications suitable for special-purpose.
Claims (1)
1. the rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll, it is characterised in that including electrode plates, lug and barrier film;
The electrode plates include anode pole piece and cathode pole piece, and the collector of the anode pole piece is aluminium foil, have aluminium during film-making
Welding；
The collector of the cathode pole piece is copper foil, has nickel strap welding during film-making；
The lug includes positive pole ear and negative lug, and the positive pole ear and negative lug are arranged at the electrode plates
Middle part during expansion；Positive pole made of the just extremely rare earth Yt doped mangaic acid lighium polymer of the battery；The inside battery is adopted
With 4 battery assembled in parallel structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398632.9U CN206685484U (en) | 2016-12-20 | 2016-12-20 | The rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398632.9U CN206685484U (en) | 2016-12-20 | 2016-12-20 | The rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685484U true CN206685484U (en) | 2017-11-28 |
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ID=60393893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621398632.9U Active CN206685484U (en) | 2016-12-20 | 2016-12-20 | The rear-earth-doped wide temperature lithium battery of LiMn2O4 Soft Roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685484U (en) |
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2016
- 2016-12-20 CN CN201621398632.9U patent/CN206685484U/en active Active
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