CN105514332B - A kind of flexible monobasal lithium-air battery cascaded structure - Google Patents
A kind of flexible monobasal lithium-air battery cascaded structure Download PDFInfo
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- CN105514332B CN105514332B CN201410490799.7A CN201410490799A CN105514332B CN 105514332 B CN105514332 B CN 105514332B CN 201410490799 A CN201410490799 A CN 201410490799A CN 105514332 B CN105514332 B CN 105514332B
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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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Abstract
The invention discloses a kind of monobasal lithium-air battery cascaded structures.The structure is using flexible base board as bottom, the conductive coating of processing graphic pattern, lithium anode, interlayer insulating layer, air electrode and the ventilated membrane that blocks water respectively from bottom to top.The invention monobasal lithium-air battery cascaded structure has the design feature of flexible, improves applicability and the safety of battery component；It realizes and positive and negative pole material is prepared on monobasal, reduce battery system quality, improve energy density；The variation of parameter is patterned by conductive coating, realizes the regulation and control of series component output current and voltage.
Description
Technical field
The invention belongs to field of chemical power source, and in particular to a kind of lithium-air battery structure.
Background technology
The progress of Science and Technology pushes manufacturing continuous upgrading, based on the supply of the energy, use and storage
Support entire industrial upgrading.Fossil energy increasingly depleted, ecological pollution constantly aggravate, and global climate constantly warms, how clean
The key subject that pure land can not be avoided using the energy as human society.Battery substitutes traditional fossil fuel driving motor vehicle etc.
The hot spot that power-equipment becomes academia and industrial circle is paid close attention to jointly.By the development of more than 20 years, the capacity of lithium ion battery
Density has moved closer to its theoretical limit, however its mileage as power battery driving electric vehicle traveling is generally less than 100
Mile, can not meet the needs of practical.Lithium-air battery cathode uses the lithium metal (2860mAh/g) of highest electrochemistry capacitance,
The active reaction object of anode derives from outside air, thus the theoretical energy density of lithium-air battery can reach 11680Wh/
Kg, electric drive electric vehicle is once filled as power battery can reach 300 miles or more, reach the water of fossil fuel
It is flat.Lasting research and input with academia and industrial quarters, lithium-air battery are widely regarded as the ideal of lithium ion battery
Replacer is used for driving power vehicle.In view of material cost and safe to use, the lithium-air battery of organic electrolysis plastidome into
For study subject.By largely studying accumulation, positive/negative material and electrolyte are widely developed, battery charging and discharging machine
Synergistic effect between system and each section has obtained in-depth study.However, the performance study for lithium-air battery is generally adopted
With simple lamella stacked structure and complicated external metallization device, the capacity and cycle performance of test are only for the spy of material
Property can not reflect the overall performance of battery.The Jiguang Zhang of U.S.'s Pacific Northwest National Laboratory and its partner,
By by " air electrode-lithium band-air electrode " with reference to other cell devices by laminating packaging in outer protection material, system
Into the flexible package lithium-air battery of typical " sandwich structure ", and then evaluate and test the performance of battery.Although this " sandwich knot
Structure " can be used for evaluating and testing the overall performance of battery, it is contemplated that after this simple stacked structure number of plies further improves, can not solve
Requirement and lithium anode of the inner air electrode to gas diffusion limit energy density and safety to the sensibility of air
Energy.Thus, how to further improve the energy density of battery, the flexible of realization battery and adjust output current and voltage
As the key of lithium-air practical application.
Invention content
The object of the present invention is to provide a kind of monobasal lithium-air battery cascaded structures, improve energy density, the reality of battery
The flexible and adjusting output current and voltage of existing battery.
A kind of flexible monobasal lithium-air battery cascaded structure, including flexible base board, lithium anode, air electrode,
The strips of conductive coating of 2 or more is sequentially set with successively from left to right in the upper surface of flexible base board, it is adjacent to lead
There are gaps for electropaining interlayer；In being both provided with interlayer insulating layer on each conductive coating, the lower surface of interlayer insulating layer is equipped with groove,
Lithium anode is placed in groove, lithium anode is in contact with conductive coating upper surface；
The lower surface right side edge of interlayer insulating layer is extended downward into the gap of adjacent conductive coating, makes adjacent conductive coating
Between by interlayer insulating layer separately；The lower surface left side edge of interlayer insulating layer is in contact with conductive coating upper surface；
Air electrode is equipped in interlayer insulating layer upper surface, air electrode right side edge extends downward into and air electrode place
Strips of conductive coating is adjacent and on the conductive coating on the right side of them, and is in contact with the conductive coating on the right side of them；
The ventilated membrane that blocks water is equipped in air electrode upper surface, the right side and left side edge for the ventilated membrane that blocks water extends separately down
And it is in contact with conductive coating upper surface；Air electrode is between interlayer insulating layer and the ventilated membrane that blocks water, in interlayer insulating layer and resistance
It blocks water ventilated membrane equipped with strip between water ventilated membrane, air electrode is sequentially separated into 2 by the strip ventilated membrane that blocks water successively from left to right
A Yi Shang unit.
Electrolyte is impregnated in air electrode and interlayer insulating layer.
In respectively offering liquid injection hole on the ventilated membrane that blocks water where each air electrode unit, liquid injection hole is using sealing
Glue blocks sealing.
The flexible base board is a tablet, and lithium anode is strip structure.
The flexible base board is generally the insulating materials for having good stability to organic solvent, can be one-component material
(such as：The macromolecules material such as polyethylene naphthalate, polyethylene terephthalate, polytetrafluoroethylene (PTFE) or Kynoar
Material) or composite material is (such as：The metal-polymers such as polyethylene terephthalate-aluminize/polyethylene/enhancement layer/polyethylene
Composite material, the aluminum metal film of surface anodization carry out the surface passivation metallic film of insulating processing)；
The conductive coating includes directly generating and generating indirectly with reference to lithographic technique patterned with reference to mask technique
Conductive coating；
The combination mask technique directly generates patterned conductive layer and includes：Pass through mask plate covering part flexibility base
Bottom, printed, scratched for unsheltered partially flexible substrate, being sprayed, vacuum sputtering, chemical deposition the methods of generate pattern
The conductive coating of change；By the way that flexible substrates are coated photoresist, carry out photoetching-exposure-development-lithographic method and form mask covering
Partially flexible substrate, printed, scratched for unsheltered partially flexible substrate, being sprayed, vacuum sputtering, the side such as chemical deposition
Method generates patterned conductive coating, and reselection removes photoresist.
The combination lithographic technique generates patterned conductive coating and includes indirectly：Flexible substrates are scratched, are sprayed,
The methods of vacuum sputtering, chemical deposition, generates conductive coating, by mask plate or photoresist mask (coating-photoetching-exposure-
Development-etching) covering part conductive coating, by lithographic technique, (photoengraving, X ray etching, electron beam lithography, ion beam are carved
Erosion, anodic oxidation etc.) remove unsheltered conductive coating realization patterning；Flexible substrates are scratched, are sprayed, vacuum is splashed
Penetrate, chemical deposition the methods of generate conductive coating, by lithographic technique (X ray etching, electron beam lithography, ion beam etching, swash
Photoengraving etc.) remove part conductive coating realization patterning.
The conductive coating can be by printing, scratching, spraying, vacuum sputtering, chemical deposition the methods of generate lead
Electric polymer (such as polypyrrole, polyphenylene sulfide, poly- phthalocyanine-like compound, polyaniline, polythiophene), metal (such as copper, nickel, aluminium, silver
Deng), inorganic compound (such as indium doped tin oxide, fluorine doped tin oxide) etc..
The interlayer insulating layer can by printing, scratching, spraying, vacuum sputtering, chemical deposition the methods of the insulation that generates
Polymer (such as epoxy resin, polyester, polyurethane, organic siliconresin, polyimides alkyd resin) and insulating inorganic compound
(such as zirconium oxide, silica).
The air electrode can be by printing, scratching, spraying, vacuum sputtering, chemical deposition the methods of the carbon that generates
Sill (such as graphene, carbon nanotube, business carbon dust), inorganic compound (such as manganese and oxygen compound, cobalt oxide, ruthenium oxygen
Compound, titanium nitride, titanium carbide etc.), metal (such as gold, silver, platinum).
The ventilated membrane that blocks water can be high molecular material (such as polyethylene naphthalate, poly terephthalic acid second two
Alcohol ester, polytetrafluoroethylene (PTFE), dimethyl silicone polymer and Kynoar etc.), inorganic material is (such as
Li1.35T1.75Al0.25P2.7Si0.3O12), inorganic-polymer composite material (the compound dimethyl silicone polymer of such as nickel foam).
The liquid injection hole is the duct that ventilative film surface is reserved that blocks water, and electrolyte is immersed whole by negative pressure of vacuum backfill technology
A inside battery.
The electrolyte is the electricity such as lithium trifluoromethanesulp,onylimide, trimethyl fluoride sulfonyl lithium, lithium perchlorate, lithium hexafluoro phosphate
Solve the electrolyte solvents such as matter salt and tetraethyleneglycol dimethyl ether, dimethyl sulfoxide (DMSO), acrylic ester composition.
The fluid sealant is ultraviolet curing glue.
Beneficial effects of the present invention：
Lithium-air battery of the present invention without traditional lithium-ion battery, lithium-sulfur cell and fuel cell by anode-diaphragm-
Cathode as unit in the vertical direction constantly stack form laminated batteries, solve requirement of the air electrode to gas diffusion and
The problem of lithium anode is to the sensibility of reaction gas realizes flexible and the resistance to pressure of lithium-air battery；Different units it
Between anode connected with cathode by conductive coating, realize battery entirety single substrate and the characteristics of single collector, improve electricity
The energy density in pond；The patterning parameter of conductive coating is controlled, that realizes different dimension cells is connected in series with and adjusts output electricity
Stream and voltage.In short, the lithium-air battery cascaded structure of the present invention is flexible, battery overall flexibility is flexible, improves energy density
While adjustable output voltage and electric current.
Description of the drawings
Fig. 1 is flexible monobasal lithium-air battery cascaded structure schematic diagram；In figure：
Specific embodiment：
The following examples can be directed to professional technician's more comprehensive understanding structure of the present invention, but not for
Structure carries out the restriction of any mode.
Embodiment 1
As shown in Figure 1, flexible base board is the polyethylene naphthalate film of 200 microns of thickness, conductive coating is magnetic
Control sputtering method prepares the fluorine doped tin oxide film of 50 nanometers of thickness and forms pattern by laser etched surfaces, and lithium metal is passes through
Laminating machine is pressed on the lithium battery on fluorine doped tin oxide surface often with lithium band, and interlayer insulating layer is to be prepared with reference to mask plate magnetron sputtering method
Thickness 2-5 micron zirconia porous membranes, air electrode be using be commercialized carbon material KB600 and polytetrafluoroethylene (PTFE) as
Air electrode prepared by active material and binding agent roll-in method, the ventilated membrane that blocks water are in fluorine doped oxygen by the thermo-compression bonding of sarin resin
Change 10 microns of pet films of tin.After cell package, pass through polyethylene terephthalate
The round duct of 1 millimeter of diameter that film surface is reserved, using negative pressure of vacuum method by the tetrem of lithium trifluoromethanesulp,onylimide
Glycol dimethyl ether electrolyte infiltrates entire inside battery cavity.After fluid injection, liquid injection hole is by ultraviolet cured adhesive in ultraviolet light
Under the conditions of cure block.
Embodiment 2
As shown in Figure 1, flexible base board is 500 microns of polyethylene terephthalates of thickness -/polyethylene/enhancing of aluminizing
The metal-polymer laminated film of layer/polyethylene, conductive coating are 20 nanometers of the thickness prepared with reference to mask vacuum heat deposition
Aluminum metal film, lithium metal often use lithium band to be pressed on the lithium battery of metallic aluminum surface by laminating machine, and interlayer insulating layer is combines
2-5 microns of silica porous membranes of thickness prepared by mask plate magnetron sputtering method, air electrode is what is prepared with hydrothermal synthesis method
The air electrode that cobalt protoxide nano wire and Kynoar are prepared respectively as active material and binding agent roll-in method, blocks water
Air film is 10 microns of polyethylene naphthalate films that aluminum metal film surface is bonded in by ultraviolet cured adhesive.Battery
After encapsulation, the round duct of 1 millimeter of diameter reserved by polyethylene naphthalate film surface is born using vacuum
The tetraethyleneglycol dimethyl ether electrolyte of trimethyl fluoride sulfonyl lithium is infiltrated entire inside battery cavity by pressure method.After fluid injection,
Liquid injection hole is cured closure by ultraviolet cured adhesive under ultraviolet light conditions.
Embodiment 3
As shown in Figure 1, flexible base board generates the metallic titanium plate of titanium oxide passivation layer for surface oxidation, conductive coating is in light
Etch the patterned thickness of photoresist formation in the surface oxidation treatment titanium plate of photoresist mask after vacuum heat deposition metallic aluminium again
20 nano aluminum metallic films, lithium metal are to be pressed on the lithium battery of metallic aluminum surface often with lithium band, interlayer insulating layer by laminating machine
For combine mask vacuum vapor deposition polypropylene film, air electrode for surface in situ support cobalt protoxide particle graphene and
The air electrode that polytetrafluoroethylene (PTFE) is prepared respectively as active material and binding agent roll-in method, the ventilated membrane that blocks water are poly- for heat perfusion
Dimethyl siloxane film.After cell package, the circle of 1 millimeter of diameter reserved by polydimethylsiloxanefilm film surface
The dimethyl sulfoxide (DMSO) electrolyte of lithium perchlorate is infiltrated entire inside battery cavity by shape duct using negative pressure of vacuum method.Fluid injection
After, liquid injection hole is cured closure by ultraviolet cured adhesive under ultraviolet light conditions.
Embodiment 4
As shown in Figure 1, flexible base board is the pet film of 200 microns of thickness, polyamides Asia is utilized
Amine adhesive tape carries out part PET substrate insulation protection, and conductive coating prepares thick for electrochemical deposition method
The metal nickel film of 1 micron of degree and after deposition is complete removal Kapton Tape form pattern, and lithium metal is to pass through laminating machine
The lithium battery on metal nickel film surface is pressed on often with lithium band, interlayer insulating layer is the thickness prepared with reference to mask plate magnetron sputtering method
2-5 microns of silica porous membranes, air electrode are with the graphitized carbon material of elemental metals cobalt doped and polytetrafluoroethylene (PTFE) point
The air electrode not prepared as active material and binding agent roll-in method, the ventilated membrane that blocks water be by the thermo-compression bonding of sarin resin in
10 microns of polyethylene naphthalate films of metal nickel film.After cell package, pass through poly- naphthalenedicarboxylic acid ethylene glycol
The round duct of 1 millimeter of diameter that ester film surface is reserved, using negative pressure of vacuum method by the N- crassitudes of lithium perchlorate
Ketone electrolyte infiltrates entire inside battery cavity.After fluid injection, liquid injection hole is solid under ultraviolet light conditions by ultraviolet cured adhesive
Change and block.
Claims (4)
1. a kind of flexible monobasal lithium-air battery cascaded structure, including flexible base board, lithium anode, air electrode,
It is characterized in that：
The strips of conductive coating of 2 or more is sequentially set with successively from left to right in the upper surface of flexible base board, and adjacent conductive applies
There are gaps for interlayer；In being both provided with interlayer insulating layer on each conductive coating, the lower surface of interlayer insulating layer is equipped with groove, groove
Lithium anode is inside placed with, lithium anode is in contact with conductive coating upper surface；
The lower surface right side edge of interlayer insulating layer is extended downward into the gap of adjacent conductive coating, and adjacent conductive is made to apply interlayer and is led to
Cross interlayer insulating layer separately；The lower surface left side edge of interlayer insulating layer is in contact with conductive coating upper surface；
Air electrode is equipped in interlayer insulating layer upper surface, air electrode right side edge extends downward into and strip where air electrode
Conductive coating is adjacent and on the conductive coating on the right side of them, and is in contact with the conductive coating on the right side of them；
Be equipped with and block water ventilated membrane in air electrode upper surface, the right side and left side edge for the ventilated membrane that blocks water extend separately down and with
Conductive coating upper surface is in contact；Air electrode is between interlayer insulating layer and the ventilated membrane that blocks water, and in interlayer insulating layer and is blocked water
Block water ventilated membrane equipped with strip between air film, strip block water ventilated membrane air electrode is sequentially separated into successively from left to right 2 with
Upper unit.
2. flexible monobasal lithium-air battery cascaded structure described in accordance with the claim 1, it is characterised in that：In air electricity
Electrolyte is impregnated in pole and interlayer insulating layer.
3. according to the flexible monobasal lithium-air battery cascaded structure described in claims 1 or 2, it is characterised in that：
In respectively offering liquid injection hole on the ventilated membrane that blocks water where each air electrode unit, liquid injection hole uses sealant sealing
Stifled sealing.
4. flexible monobasal lithium-air battery cascaded structure described in accordance with the claim 1, it is characterised in that：
The flexible base board is a tablet, and lithium anode is strip structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410490799.7A CN105514332B (en) | 2014-09-23 | 2014-09-23 | A kind of flexible monobasal lithium-air battery cascaded structure |
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|---|---|---|---|
| CN201410490799.7A CN105514332B (en) | 2014-09-23 | 2014-09-23 | A kind of flexible monobasal lithium-air battery cascaded structure |
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| CN105514332B true CN105514332B (en) | 2018-06-19 |
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| CN109360998A (en) * | 2018-10-22 | 2019-02-19 | 吕伟 | Super thin metal composite dual-electrode plates and preparation method thereof and fuel cell comprising it |
| CN111634982B (en) * | 2020-06-27 | 2023-06-30 | 北京中核天友环境科技股份有限公司 | Preparation method of anode material for efficient phenol wastewater degradation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244225A (en) * | 2010-05-12 | 2011-11-16 | 三星Sdi株式会社 | Battery pack and method for forming battery pack |
| CN103703601A (en) * | 2012-04-20 | 2014-04-02 | Lg化学株式会社 | Electrode assembly, and battery cell and device comprising same |
| CN204156060U (en) * | 2014-09-23 | 2015-02-11 | 中国科学院大连化学物理研究所 | A kind of lithium-air battery structure |
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| JP6304876B2 (en) * | 2013-03-28 | 2018-04-04 | 本田技研工業株式会社 | Lithium air battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244225A (en) * | 2010-05-12 | 2011-11-16 | 三星Sdi株式会社 | Battery pack and method for forming battery pack |
| CN103703601A (en) * | 2012-04-20 | 2014-04-02 | Lg化学株式会社 | Electrode assembly, and battery cell and device comprising same |
| CN204156060U (en) * | 2014-09-23 | 2015-02-11 | 中国科学院大连化学物理研究所 | A kind of lithium-air battery structure |
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