CN206134890U - Battery - Google Patents
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- CN206134890U CN206134890U CN201621192901.6U CN201621192901U CN206134890U CN 206134890 U CN206134890 U CN 206134890U CN 201621192901 U CN201621192901 U CN 201621192901U CN 206134890 U CN206134890 U CN 206134890U
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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 utility model relates to a battery. Wherein, battery includes: anodic structure, anodic structure includes positive pole side electrochemical activity component and positive pole side electrolyte, positive pole side electrochemical activity component includes a kind in the following material: active metal simple substance, active metal ion, active metal alloy and active metal insert material, the negative pole structure, the negative pole structure includes cathode side electrochemical activity component, cathode side liquid electrolyte and the cathode side electron conduction body, the diaphragm, the diaphragm is located between anodic structure and the negative pole structure to it separates to incline electrolyte and cathode side liquid electrolyte with the positive pole, the diaphragm is waterproof basically, and transported gas device, transported gas device has gas transmission pipeline, gas transmission pipeline has the gas outlet, the gas outlet is in inside the negative pole structure. This battery can realize big current discharge, has the power performance of improvement.
Description
Technical field
The utility model belongs to electrochemical field, and in particular to a kind of battery.
Background technology
Metal-air battery, is the strong candidate of New Generation of Electric Vehicle electrokinetic cell.Metal-air battery
Generally using active metal as anode-side electro-chemical activity component, using the oxygen in air as cathode side electro-chemical activity component
One of.Therefore there is higher reason without being stored in inside battery, metal-air battery because oxygen is directed to air
By specific capacity.Metal-air battery is possible to realize the device energy density of more than 1000Wh/kg that the energy density connects with gasoline
Closely.
The anode-side electro-chemical activity component of metal-air battery can be alkali metal, alkaline-earth metal or other activity gold
Category.In numerous metal-air batteries, lithium-air battery is the focus of current research.Lithium metal have relatively negative electrode potential (-
3.04V vs.SHE) and less density (6.95gmol-1).When lithium is used as galvanic anode pole material, it has about
3.81Ahg-1Specific capacity, now, the energy density theoretical value of lithium-air battery is possible to up to 3505Wh/kg.It is close in this energy
Under degree, being equipped with the electric automobile course continuation mileage of lithium-air battery can reach more than 600 kilometers.
CN103259065A discloses a kind of air manager system of lithium-air secondary battery group, mainly including natural wind
Air supply system, forced air supply system and lithium-air battery group power-supply system；The natural wind air supply system is by external environment condition
The monitoring of air velocity, realizes the control to the forced air supply working state of system, persistently provides empty to lithium-air battery group
Gas.
Utility model content
A purpose of the present utility model is to provide a kind of battery, and another purpose of the present utility model is to provide one kind and puts
The adjustable battery of electric size of current, another purpose of the present utility model is to provide a kind of high-power battery.
Inventor has found that, by arranging air delivery device on battery, the gas outlet of air delivery device is arranged on cell cathode knot
The inside of structure, by air delivery device to the cathode construction inside Input gas of battery, can effectively improve unit interval participation
The amount of the material of electrochemical reaction, the discharge current of regulating cell improves the power-performance of battery.
The utility model first aspect provides a kind of battery, including：
Anode construction, the anode construction includes anode-side electro-chemical activity component and anode-side electrolyte, the anode
Side electro-chemical activity component includes one or more in following material：Active metal simple substance, active metallic ion, active metal
Alloy and active metal insert material；
Cathode construction, the cathode construction includes cathode side electro-chemical activity component, cathode side liquid electrolyte and negative electrode
Side electronic conductor；
Barrier film, the barrier film is located between anode construction and cathode construction, and by anode-side electrolyte and cathode side liquid
Electrolytes, the barrier film is substantially impervious water；With
Air delivery device, the air delivery device has gas pipeline, and the gas pipeline has gas outlet, and the gas outlet is described
Inside cathode construction.
In one embodiment, the battery of any one of the utility model, the gas pipeline and/or gas outlet are immersed in
In the cathode side liquid electrolyte.
In one embodiment, the battery of any one of the utility model, it has following one or more feature：
A) bore of the gas outlet is more than 0.1mm, such as such as 0.1～10mm, 0.5～5mm, then such as 1～
3mm；
B) gas outlet is 0～100mm, such as 0.1-50mm to the distance of the cathode side electronic conductor, then example
Such as 1～10mm；
C) gas outlet is toward or away from the cathode side electronic conductor.
In one embodiment, the battery of any one of the utility model, the outlet pressure of the gas outlet of air delivery device is big
In 1 atmospheric pressure, 1.5 atmospheric pressure are greater than, are greater than 2.5 atmospheric pressure.
In one embodiment, the battery of any one of the utility model, air delivery device also has air inlet.
In one embodiment, the battery of any one of the utility model, it has following one or more feature：
D) gas pipeline is shaped form pipeline, such as spirality pipe, snake pipe or circulating line；
E) material of the gas pipeline include one kind in glass, quartz, plastics, stainless steel, titanium, molybdenum and the tungsten or
It is various；
F) switch for only allowing gas outflow not allow liquid to flow into is provided with the gas pipeline, the switch is preferred
For check valve；
G) gas pipeline is not electrically connected with electronic conductor.
In one embodiment, the battery of any one of the utility model, the air delivery device includes the pump for gas transmission.
In one embodiment, the battery of any one of the utility model, the cathode side electro-chemical activity component includes
Gaseous oxidizer；
Preferably, the gaseous oxidizer is water miscible；
Preferably, the gaseous oxidizer includes air, O2、SO2And NO2In one or more.
In one embodiment, the battery of any one of the utility model, the air delivery device is used for negative electrode knot
The input gaseous oxidizer in structure.
In one embodiment, the battery of any one of the utility model, the cathode side electro-chemical activity component includes
Water.
In one embodiment, the battery of any one of the utility model, when described battery operated, the cathode side electronics
Electric conductor is located at cathode side liquid electrolyte top.
In one embodiment, the battery of any one of the utility model, the material bag of the cathode side electronic conductor
Include material with carbon element, binding agent, non-carbon porous material or catalyst.
In one embodiment, the battery of any one of the utility model, it has following one or more feature：
H) the cathode side electronic conductor is hydrophilic；
I) the cathode side electronic conductor is porous；
J) thickness of the cathode side electronic conductor is more than 5mm, such as 10～200mm；
K) the cathode side electronic conductor contains catalyst or by catalyst treatment.
In one embodiment, the battery of any one of the utility model, the cathode side liquid electrolyte is aqueous fluid
Body electrolyte.
In one embodiment, the battery of any one of the utility model, the anode-side electrolyte is on-aqueous liquid
Electrolyte or solid electrolyte.
In one embodiment, the battery of any one of the utility model, it has following one or more feature：
L) anode-side electro-chemical activity component is lithium；
M) anode-side electrolyte is liquid organic electrolyte；
N) barrier film includes lithium ion solid electrolyte；
O) cathode side electro-chemical activity component includes water and oxygen-containing gas；
P) cathode side liquid electrolyte is the aqueous solution of acid, alkali or salt；
Q) cathode side electronic conductor includes porous carbon materials.
In one embodiment, the battery of any one of the utility model, the battery be metal-air battery, the gold
Category air cell is preferably lithium-air battery, sodium air cell, zinc-air battery, calcium air cell or magnesium air cell, more excellent
Elect lithium-air battery as.
A kind of flow process of operation any of the above-described battery, it includes：With natural aspiration, force gas transmission or natural aspiration-strong
The pattern of gas transmission mixing processed, by air delivery device suitable gaseous oxidizer (such as oxygen-containing gas) is conveyed into cathode construction
Step；
Preferably, suitable gaseous oxidizer is conveyed into cathode construction by air delivery device with the pattern of natural aspiration
When, air delivery device is transported to gaseous oxidizer in cathode construction by outside batteries ambient pressure；
Preferably, suitable gaseous oxidizer is conveyed into cathode construction by air delivery device with the pattern for forcing gas transmission
When, air delivery device includes pump, and air delivery device is transported to gaseous oxidizer in cathode construction by the air pressure that pump is produced；
Preferably, suitable gas is conveyed into cathode construction by air delivery device with the pattern of natural aspiration-pressure gas transmission
During state oxidant, air delivery device includes at least two independent gas pipelines, and at least one gas pipeline will be by outside batteries
Ambient pressure is transported to gaseous oxidizer in cathode construction, and at least another gas pipeline relies on the air pressure that pump is produced by gaseous state
Oxidant is transported in cathode construction.
The beneficial effects of the utility model：
Each embodiment of the present utility model has following one or more beneficial effect：
1) gas can be input into the air delivery device of the battery of one or more embodiments the inside of cathode construction, gas transmission
Efficiency is higher, can increase substantially the discharge current of battery；
2) battery of one or more embodiments can pass through the displacement of adjustment air delivery device, and adjustment discharge current is big
It is little；
3) battery of one or more embodiments can realize heavy-current discharge, show higher power；
4) battery of one or more embodiments has higher energy density；
5) battery of one or more embodiments is prevented from the generation of battery leakage problem, improves the use longevity of battery
Life；
6) the cathode side electronic conductor of the battery of one or more embodiments is hydrophilic, without the need for carrying out hydrophobic place
Reason；
7) battery of one or more embodiments can be defeated using natural aspiration, pressure gas transmission or natural aspiration-pressure
The mode of gas mixing provides gas to cathode construction；
8) battery of one or more embodiments can be defeated by natural aspiration, pressure gas transmission or natural aspiration-pressure
The mode of gas mixing is run, and then the effectively discharge current of regulating cell, improves the practicality of battery, is particularly suitable for electronic
Vehicular field.
Description of the drawings：
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Illustrative embodiments of the present utility model and its illustrate, for explaining the utility model, not constituting to limit of the present utility model
It is fixed.In the accompanying drawings：
Fig. 1 is the schematic cross-section of the battery of an embodiment；
Fig. 2 is the schematic cross-section of the battery of further embodiment；
Fig. 3 is the schematic cross-section of the battery of further embodiment.
Each reference is represented respectively：Anode construction 1, anode-side electro-chemical activity component 110, anode-side electrolyte 120,
It is cathode construction 2, cathode side electro-chemical activity component 210, cathode side liquid electrolyte 220, cathode side electronic conductor 230, defeated
Device of air 3, gas pipeline 310, gas outlet 311, barrier film 4, the thickness d 1 of cathode side electronic conductor 230, gas outlet 311 are to the moon
Pole side electronic conductor 230 apart from d2.
Specific embodiment
Below by accompanying drawing and embodiment, the technical solution of the utility model is described in further detail.
To in detail refer to specific embodiment of the present utility model now.The example of specific embodiment is shown in accompanying drawing
In.Although describing the utility model with reference to these specific embodiments, it is appreciated that be not intended to limit the utility model arriving
These specific embodiments.Conversely, these embodiments are intended to cover the utility model essence that may include being defined by the claims
Replacement, change or equivalent embodiments in god and scope.In the following description, elaborate a large amount of details to provide
To comprehensive understanding of the present utility model.The utility model can be in the case of without part or all of these details by reality
Apply.In other cases, in order to not make the utility model unnecessarily obscure, it is not described in well known technological operation.
When " including " in this specification and the appended claims, " device includes " or similar language are used in combination,
Singulative " certain ", " certain ", " being somebody's turn to do " include plural reference, unless the context clearly dictates otherwise.Unless otherwise defined, herein
Used in all technologies and scientific terminology have what the utility model person of an ordinary skill in the technical field was generally understood that
Identical meanings.Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than it is limited
System；Although being described in detail to the utility model with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Still specific embodiment of the present utility model can be modified or equivalent is carried out to some technical characteristics and be replaced
Change；Without deviating from the spirit of technical solutions of the utility model, it all should cover the technical scheme being claimed in the utility model
In the middle of scope.
For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing such as a device or feature shown in the figure and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
As shown in figure 1, the battery of an embodiment includes：
Anode construction 1, the anode construction 1 includes anode-side electro-chemical activity component 110 and anode-side electrolyte 120,
The anode-side electro-chemical activity component 110 includes one or more in following material：Active metal simple substance, active metal from
Son, active metal alloy and active metal insert material；
Cathode construction 2, the cathode construction 2 includes cathode side electro-chemical activity component 210, cathode side liquid electrolyte
220 and cathode side electronic conductor 230；
Barrier film 4, the barrier film 4 is located between anode construction 1 and cathode construction 2, and by anode-side electrolyte 120 and negative electrode
Side liquid electrolyte 220 separates, and the barrier film 4 is substantially impervious water；With
Air delivery device 3, the air delivery device 3 has gas pipeline 310, and the gas pipeline 310 has gas outlet 311, described
Gas outlet 311 is inside the cathode construction 2.
In one embodiment, above-mentioned battery is lithium-air battery, and it has following characteristics：
A) anode-side electro-chemical activity component 110 is lithium；
B) anode-side electrolyte 120 is liquid organic electrolyte；
C) barrier film 4 includes lithium ion solid electrolyte；
D) cathode side electro-chemical activity component 210 includes water and oxygen-containing gas；
E) cathode side liquid electrolyte 220 is the aqueous solution of alkali or salt；
F) cathode side electronic conductor 230 includes porous carbon materials.
In one embodiment, above-mentioned battery electric discharge when, in anode-side：Anode-side electro-chemical activity component 110
(Li) electronics is lost, becomes Li+It is added to anode-side electrolyte 120 (in liquid organic electrolyte).Li+By barrier film 4
(lithium ion solid electrolyte), in entering into cathode side liquid electrolyte 220 (aqueous solution of alkali or salt), and is diffused into cathode side
Near electronic conductor 230 (porous carbon materials).Near cathode side electronic conductor 230：It is defeated from outside by air delivery device 3
The O being sent in cathode construction 22Obtain electronics and become O2-, with H2O reacts to form OH-, OH-With neighbouring Li+Combine to form LiOH,
LiOH is dissolved in cathode side liquid electrolyte 220 (aqueous solution of alkali or salt).Cathode reaction and anode reaction are persistently carried out, and are held
Continue and powered to external circuit.
In one embodiment, the gas outlet 311 is immersed in the cathode side liquid electrolyte 220.
In one embodiment, at least part of gas pipeline 310 is immersed in the cathode side liquid electrolyte 220.
In one embodiment, when battery operated, the outlet that oxygen-containing gas is passed through gas pipeline 310 by air delivery device 3
Mouth 311 is transported to the inside of cathode construction 2 (such as cathode side liquid electrolyte 220).Oxygen-containing gas is from the inside of cathode construction 2
To outside diffusion, by way of the solid liquid interface that cathode side electronic conductor 230 is contacted with cathode side liquid electrolyte 220, oxygen exists
There is electrochemical cathode reaction in above-mentioned solid liquid interface, unreacted oxygen-containing gas is then by the cathode side electronic conductor of porous
230, in being diffused into environment.
For the battery without air delivery device, oxygen-containing gas is only capable of being diffused into cathode construction from outside to inside, naturally
Inside, this diffusion velocity is slower, and the amount that the unit interval participates in the material of reaction is less, and the discharge current of battery is less.It is above-mentioned
The battery of embodiment, first can be transported to oxygen-containing gas inside cathode construction 2 by air delivery device 3, then make cathode construction 2
Internal gas is exported from the inside to the outside, and this input mode efficiency is higher, and the unit interval participates in the material of electrochemical reaction
Amount is more, can effectively improve the discharge current of battery.By the inlet for controlling cathode side electro-chemical activity component-oxygen-containing gas,
The degree of strength of electrochemical cathode reaction can also further be controlled.For example, the speed for being passed through oxygen-containing gas is fast, unit interval internal reference
Big with the amount of the active material of reaction, discharge current is relatively large；The speed for being passed through oxygen-containing gas is slow, and reaction is participated in the unit interval
Active material amount it is little, discharge current is relatively small.By the inlet for adjusting oxygen-containing gas, cell output current size is realized
Control, the needs of general power discharge can be met, can also meet the needs of high power discharge.
In one embodiment, the air delivery device 3 includes one or more gas pipeline 310, and such as 1～10 defeated
Feed channel 310.
In one embodiment, the gas pipeline 310 has one or more gas outlets 311, such as 1～10 outlet
Mouth 311.
In one embodiment, gas pipeline 310 or gas outlet 311 can be arranged with suitable arrangement mode.
Fig. 2 and Fig. 3 illustrate the lithium-air battery of two other embodiment.
As shown in Fig. 2 in one embodiment, gas pipeline 310 penetrates the sidepiece of cathode construction 2 and enters into negative electrode knot
In structure 2.
As shown in Fig. 2 in one embodiment, gas pipeline 310 penetrates the side wall of cathode construction 2, gas pipeline 310
A part parallel to cathode side electronic conductor 230.Gas outlet 311 is immersed in cathode side liquid electrolyte 220, towards the moon
Pole side electronic conductor 230.When battery operated, gas outlet 311 discharges oxygen-containing gas towards cathode side electronic conductor 230.
In one embodiment, the battery of the embodiment above, can from the simultaneously gas transmission of the both sides of gas pipeline 310,
Can also be from the side gas transmission of gas pipeline 310.
As shown in figure 3, in one embodiment, gas pipeline 310 penetrates the top of cathode construction 2 and enters into negative electrode knot
In structure 2.
As shown in figure 3, in one embodiment, gas pipeline 310 penetrates cathode side electronic conductor 230.Appendix
The part in road 310 is parallel to cathode side electronic conductor 230.Gas outlet 311 is immersed in cathode side liquid electrolyte 220,
Towards cathode side electronic conductor 230.When battery operated, gas outlet 311 discharges oxygenous towards cathode side electronic conductor 230
Body.
Multiple gas pipelines or gas outlet are conducive to fully being input in cathode construction 2 of oxygen-containing gas, disclosure satisfy that
Demand of the large-area cathode side electronic conductor to oxygen.
In one embodiment, gas outlet 311 is toward or away from cathode side electronic conductor 230, preferred gas outlet 311
Can be with towards other any directions.
The gas outlet of multiple different directions has greatly reinforced the amount of oxygen conveying, makes the heavy-current discharge performance of lithium-air battery
Further lifted.
In one embodiment, the gas pipeline 310 be shaped form pipeline, such as spirality pipe, snake pipe
Or circulating line.
More gas outlets 311 can be distributed on curved gas pipeline 310 such that it is able to improve the defeated of oxygen-containing gas
Enter amount.
In one embodiment, gas pipeline 310 and/or gas outlet 311 are located under cathode side electronic conductor 230
Side.
In one embodiment, gas outlet 311 is 0～100mm apart from d2 apart from cathode side electronic conductor 230,
Such as 0.1～50mm, such as 1～10mm.
In one embodiment, gas pipeline 310 is 0～100mm apart from the distance of cathode side electronic conductor 230,
Such as 0.1～50mm, such as 1～10mm.
In one embodiment, the caliber size of gas outlet 311 is more than 0.1mm, such as 0.1-10mm, such as 0.5
～5mm, then such as 0.5～1mm.
The bore of gas outlet is thinner, and the bubble for discharging is less, so as to gas easily enters cathode side electronic conductor
230 pore interior, is fully contacted with cathode side liquid electronic electric conductor 230, improves the reaction rate of air cathode.
In one embodiment, conduit is provided between gas pipeline 310 and gas outlet 311, the length of conduit is 1-
50mm, the internal diameter of conduit is 0.5-9mm.
In one embodiment, the internal diameter of gas pipeline 310 is between 0.1-10mm (such as 1～5mm), gas pipeline
External diameter between 0.1-10mm (such as 1～5mm).
In one embodiment, the material of gas pipeline 310 is included selected from glass, quartz, plastics, stainless steel, titanium, molybdenum
With one or more in tungsten.
In one embodiment, be provided with gas pipeline 310 can only air outlet, the inaccessiable switch of liquid.
When having gas to discharge, switch is opened；When quitting work, switch closure.The switch is preferably check valve.
In one embodiment, air delivery device 3 includes the pump for gas transmission.Pump is preferably able to adjust output gas port 311
Outlet pressure.
In one embodiment, gas pipeline 310 is not electrically connected with electronic conductor 230
In one embodiment, when described battery operated, cathode construction 2 is located at the top of anode construction 1.
In one embodiment, when described battery operated, cathode side electronic conductor 230 is located at cathode side liquid electrolytic
The top of matter 220.
When this is battery operated, oxygen-containing gas from cathode construction 2 spread from the inside to the outside when, can more fully cathode side electronics lead
Electric body 230 is contacted, and then improves the amount of the material for participating in electrochemical reaction.Meanwhile, cathode side liquid electrolyte 220 is also not easy
Leakage from cathode side electronic conductor 230, it is therefore prevented that the generation of " leakage problem ", and then improve the longevity of lithium-air battery
Life.
In one embodiment, the thickness d 1 of cathode side electronic conductor 230 be more than 10mm, preferred more than 50mm,
Such as 50-200mm.
For the lithium-air battery without air delivery device, because oxygen-containing gas is needed through cathode side electronic conductor and the moon
The liquid electrolyte contact of pole side, therefore the thickness of cathode side electronic conductor generally can not be too thick, such as no more than 2mm.This reality
The beneficial effect for applying the battery of scheme is, the thickness of cathode side electronic conductor 230 can be than larger, and this causes cathode side electricity
The volume ratio of the immersion cathode side of electronic conductor 230 liquid electrolyte 220 is larger, and then improves cathode side electronic conductor 230
With the contact area of cathode side liquid electrolyte 220, and then improve electrochemical cathode reaction interfacial area, so as to improve
The large current discharging capability of battery.It is additionally, since oxygen-containing gas and can be passed through air delivery device 3 and enters in cathode construction 2, will not
Oxygen-containing gas is affected because the thickness of cathode side liquid electrolyte 230 is larger to the conveying in cathode construction 2.
In one embodiment, cathode side electronic conductor 230 is porous.
In one embodiment, cathode side electronic conductor 230 is hydrophilic.The electronic conductor need not carry out hydrophobic
Process.
In one embodiment, the material in cathode side electronic conductor 230 is included selected from material with carbon element, binding agent, non-
One or more in carbon porous oxide and catalyst, preferably includes material with carbon element and binding agent.
In one embodiment, cathode side electronic conductor 230 is preferably able to containing catalyst or by catalyst treatment
Catalytic cathode side electrochemical reaction.
In one embodiment, the material in cathode side electronic conductor 230 includes material with carbon element, and the material with carbon element includes
It is selected from:Acetylene carbon black, carbon black, activated carbon, charcoal, coke, mesoporous carbon, fibrous carbon, carbon gel, carbon foam, mesoporous carbon particulate, carbon
One or more in nanotube, carbon nanocoils, carbon fiber, graphite, Graphene, graphene oxide and graphite alkene；
In one embodiment, the material in cathode side electronic conductor 230 includes non-carbon porous material, the non-carbon
Porous material includes being selected from：One kind or many in porous oxide, zeolite polyporous materials, metal-organic framework materials (MOF)
Kind.
In one embodiment, porous oxide includes being selected from：Porous SnO2, porous SiO2, porous C eO2, porous
Y2O3, porous TiO2, porous FexTi1-xO2One or more in (0 ＜ x ＜ 1).
In one embodiment, the material of cathode side electronic conductor 230 includes catalyst, and the catalyst includes choosing
From：Admire in ore deposit type material one or more of noble metal, transition metal oxide or calcium.
In one embodiment, noble metal includes being selected from：One or more in Pt, Pd, Au or Ru.
In one embodiment, transition metal oxide includes being selected from：NiO、Co3O4、RuO2、Fe2O3In one kind or
It is various.
In one embodiment, the material of cathode side electronic conductor 230 includes binding agent
In one embodiment, the binding agent is aqueous adhesive, for example butadiene-styrene rubber (SBR), aqueous polyvinylidene two
PVF emulsion or ptfe emulsion.
In one embodiment, the anode construction 1 and/or cathode construction 2 also include collector；
Preferably, the collector of anode construction 1 is electrically connected with anode-side electro-chemical activity component 110；
Preferably, the collector of cathode construction 2 is electrically connected with cathode side electronic conductor 230.
In one embodiment, the collector is wire netting, carbon net or nickel foam, and the mesh number of wire netting or carbon net is excellent
Elect 10-1000 mesh as, wire netting can be aluminium net, titanium net or iron net.
In one embodiment, the active metal include alkali metal, alkaline-earth metal and transition metal in one kind or
It is various.
In one embodiment, the active metal includes the one kind or many in Li, Na, K, Ca, Mg, Ba, Zn
Kind；It is preferred that active metal includes Li.
In one embodiment, the active metallic ion is included selected from Li+、Na+、K+、Ca2+、Mg2+、Ba2+、Zn2+In
One or more
In one embodiment, the active metal alloy includes：Containing the one kind in Li, Na, K, Ca, Mg, Ba, Zn
Or the alloy of multiple element；Preferably include：By one or more element in Li, Na, K, Ca, Mg, Ba, Zn and it is selected from
The binary that one or more metal in Sn, Si, Zn, Al, Sb, Ge, Pb, Mg, Ca, As, Bi, Pt, Ag, Au, Cd, Hg etc. is constituted
Or alloy more than ternary；Preferably include one kind in lithium-aluminium alloy, Li-Si alloy, lithium-tin alloy and the lithium silver alloy or
It is various.
In one embodiment, the active metal insert material is lithium carbon compound or carbon.
In one embodiment, anode-side electrolyte is liquid organic electrolyte.
In one embodiment, the liquid organic electrolyte is preferably the organic solvent dissolved with lithium salts.Organic solvent
Preferably include one or more in following material：Vinyl carbonate (EC), propylene carbonate (PC), dimethyl carbonate (DMC),
Methyl ethyl carbonate (EMC), diethyl carbonate (DEC).
In one embodiment, the battery of any one of the utility model, the barrier film 4 is solid membrane,
Preferably, the barrier film 4 includes solid electrolyte；
Preferably, the barrier film 4 includes being selected from：Ca-Ti ore type solid electrolyte, garnet-type solid electrolyte,
LISICON type solid electrolytes, Thio-LISICON type solid electrolytes, NASICON type solid electrolytes, LiPON type solids
One or more in electrolyte.
In one embodiment, the battery of any one of the utility model, the barrier film 4 is included selected from following solid electrolytic
One or more in matter：
Perovskite (PEROVSKITE) type solid electrolyte, such as Li0.5-3xLa0.5+xTiO3；
Garnet (GARNET) type solid electrolyte, such as Li7La3Zr2O12、Li5La3M2O12)；
LISICON type solid electrolytes, such as Li14Zn(GeO4)4；
Thio-LISICON type solid electrolytes, such as Li4GeS4、Li2S-P2S5、Li3.25Ge0.25P0.75S4；
NASICON type solid electrolytes, such as LiM2(PO4)3(M=Ti, Ge, Zr)；
LiPON type solid electrolytes.
In one embodiment, the battery of any one of the utility model, the ionic conductivity of barrier film 4 is at least 10-7S/
Cm, for example, at least 10-6S/cm, for example, at least 10-5S/cm, such as up to 10-4S/cm, such as up to 10-3S/cm or higher.
In one embodiment, the battery of any one of the utility model, barrier film 4 and liquid, aqueous electrolyte chemical phase
Hold.Preferably, when barrier film is contacted with liquid, aqueous electrolyte, will not react to form the product for being harmful to battery operation.
In one embodiment, the battery of any one of the utility model, the basic gapless of barrier film 4.
A kind of flow process of the battery described in operation any one embodiment, it includes：With natural aspiration, force gas transmission or
The pattern of natural aspiration-pressure gas transmission mixing, by air delivery device 3 suitable gaseous oxidizer (example is conveyed into cathode construction 2
Such as oxygen-containing gas) the step of.
In one embodiment, it is with the pattern of natural aspiration that oxygen-containing gas (such as air) is defeated by air delivery device 3
It is sent in cathode construction 2, i.e., not by the pressurization of pump, relies only on atmospheric pressure and air is input into into cathode construction by air delivery device 3
2.If the battery applications have the air inlet in the front towards electric motor car in electric motor car, air delivery device 3, when electric motor car is travelled, with
The quickening of speed, unit interval air inflow is also increased therewith, the amount for participating in the oxygen of reaction is improved therewith such that it is able to met
The size of the electric current needed for high speed traveling.
In one embodiment, air delivery device 3 is passed through with the pattern for forcing gas transmission oxygen-containing gas (such as air) is defeated
It is sent in cathode construction 2, such as using pump by oxygen-containing gas (such as air) conveying by air delivery device 3 to cathode construction 2.
If, in electric motor car, in startup or climbing, travel speed is not high for the battery applications, if can not expire only with the mode of natural aspiration
The output of the high current of sufficient battery, now, can using force air-flow gas transmission by the way of, with pump by more oxygen-containing gas (for example
Air) it is transported in cathode construction 2 by air delivery device 3, the amount of the oxygen for participating in reaction is improved, the traveling for meeting electric motor car will
Ask.
In one embodiment, can also adopt the pattern that natural aspiration-pressures gas transmission mixes by oxygen-containing gas (for example
Air) it is transported in cathode construction 2 by air delivery device 3, air delivery device 3 includes at least two independent gas pipelines, at least
One gas pipeline conveys oxygen-containing gas in the way of natural aspiration into cathode construction 2, and at least another gas pipeline is by strong
The mode of gas transmission processed conveys oxygen-containing gas into cathode construction 2.The flow process plays the advantage of various gas transmission patterns, it is to avoid various defeated
The shortcoming of gas pattern, so as to improve the practicality of lithium-air battery.
Using above-mentioned process flow operation battery, can effective regulating cell discharge current, this battery is particularly suitable for electricity
Dynamic vehicular field.
Embodiments above is only to illustrate the technical solution of the utility model rather than a limitation；Although with reference to preferably real
Apply scheme to be described in detail the utility model, those of ordinary skill in the art should be understood：Still can be right
Specific embodiment of the present utility model is modified or carries out equivalent to some technical characteristics；Without deviating from this practicality
The spirit of new technique scheme, it all should cover in the middle of the technical scheme scope being claimed in the utility model.
Claims (15)
1. a kind of battery, including：
Anode construction (1), the anode construction (1) is including anode-side electro-chemical activity component (110) and anode-side electrolyte
(120), the anode-side electro-chemical activity component (110) is including the one kind in following material：Active metal simple substance, active metal
Ion, active metal alloy and active metal insert material；
Cathode construction (2), the cathode construction (2) is including cathode side electro-chemical activity component (210), cathode side liquid electrolyte
And cathode side electronic conductor (230) (220)；
Barrier film (4), the barrier film (4) between anode construction (1) and cathode construction (2), and by anode-side electrolyte (120)
Separate with cathode side liquid electrolyte (220), the barrier film (4) is substantially impervious water；With
Air delivery device (3), the air delivery device (3) has gas pipeline (310), and the gas pipeline (310) has gas outlet
(311), the gas outlet (311) is internal in the cathode construction (2).
2. battery according to claim 1, the gas pipeline (310) and/or gas outlet (311) are immersed in the negative electrode
In side liquid electrolyte (220).
3. battery according to claim 1, it has following one or more feature：
A) bore of the gas outlet (311) is more than 0.1mm, such as 0.5～10mm；
B) gas outlet (311) to the cathode side electronic conductor (230) distance (d2) be 0～100mm, such as 0.1-
50mm；
C) gas outlet (311) is toward or away from the cathode side electronic conductor (230).
4. battery according to claim 1, it has following one or more feature：
D) gas pipeline (310) is shaped form pipeline, such as spirality pipe, snake pipe or circulating line；
E) material of the gas pipeline (310) includes the one kind in glass, quartz, plastics, stainless steel, titanium, molybdenum and tungsten；
F) switch for only allowing gas outflow not allow liquid to flow into is provided with the gas pipeline (310), the switch is excellent
Elect check valve as；
G) gas pipeline (310) is not electrically connected with electronic conductor (230).
5. battery according to claim 1, the air delivery device (3) includes the pump for gas transmission.
6. battery according to claim 1, the cathode side electro-chemical activity component (210) is including gaseous oxidizer；
Preferably, the gaseous oxidizer is water miscible；
Preferably, the gaseous oxidizer includes air, O2、SO2And NO2In one kind.
7. battery according to claim 6, the air delivery device (3) in the cathode construction (2) input it is described
Gaseous oxidizer.
8. battery according to claim 1, the cathode side electro-chemical activity component (210) is including water.
9. battery according to claim 1, when described battery operated, the cathode side electronic conductor (230) is positioned at the moon
Pole side liquid electrolyte (220) top.
10. battery according to claim 1, the material of the cathode side electronic conductor (230) includes material with carbon element, bonding
Agent, non-carbon porous material or catalyst.
11. batteries according to claim 1, it has following one or more feature：
H) the cathode side electronic conductor (230) is hydrophilic；
I) the cathode side electronic conductor (230) is porous；
J) thickness (d1) of the cathode side electronic conductor (230) is more than 5mm, such as 10～200mm；
K) the cathode side electronic conductor (230) is containing catalyst or by catalyst treatment.
12. batteries according to claim 1, the cathode side liquid electrolyte (220) is liquid, aqueous electrolyte.
13. batteries according to claim 1, the anode-side electrolyte (120) is non-aqueous electrolyte or solid electricity
Xie Zhi.
14. batteries according to any one of claim 1～13, it has following one or more feature：
L) anode-side electro-chemical activity component (110) is lithium；
M) anode-side electrolyte (120) is liquid organic electrolyte；
N) barrier film (4) is including lithium ion solid electrolyte；
O) cathode side electro-chemical activity component (210) is including water and oxygen-containing gas；
P) cathode side liquid electrolyte (220) is the aqueous solution of acid, alkali or salt；
Q) cathode side electronic conductor (230) is including porous carbon materials.
15. batteries according to any one of claim 1～13, the battery be metal-air battery, the metal-air
Battery is preferably lithium-air battery, sodium air cell, zinc-air battery, calcium air cell or magnesium air cell.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106410331A (en) * | 2016-11-07 | 2017-02-15 | 珠海格力电器股份有限公司 | Battery and method for operating same |
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| CN106410331A (en) * | 2016-11-07 | 2017-02-15 | 珠海格力电器股份有限公司 | Battery and method for operating same |
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Effective date of registration: 20180103 Address after: 519070 Guangdong city of Zhuhai Province Qianshan Co-patentee after: ZHUHAI GREE ENERGY ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Patentee after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: 519070 Guangdong city of Zhuhai Province Qianshan Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |