CN109860521A - A kind of lithium metal combination electrode of array structure and preparation method thereof - Google Patents
A kind of lithium metal combination electrode of array structure and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to lithium metal combination electrodes of a kind of array structure and preparation method thereof.The lithium metal combination electrode is made of lithium metal and its compounding ingredients, design feature with orthogonal array, wherein lithium combination electrode is with a thickness of 1 micron -1 centimetre, wherein the width range of the lithium metal in array is 10 nanometers -500 microns, the width of composite components in array is 0.3 nanometer -500 microns, and composite components include but is not limited to that the film of metal, metal oxide, two-dimensional material and its composition, braided fabric etc. be one such or laminated film.When the combination electrode is using being metallic lithium base battery cathode, electrode surface does not have apparent dendrite in charge and discharge process, has superelevation face amount, the cycle life of excellent high rate performance and length.
Description
Technical field
The invention belongs to secondary cell fields, and in particular to a kind of lithium metal combination electrode of array structure and its preparation side
Method.
Background technique
Lithium metal battery as the world today is most widely used and one of most promising battery, have specific energy and
The advantages of discharge performance is high, work and storage life are long, safety operation performance is high and cost is relatively low.As Li-S battery, Li- are empty
The appearance of the novel high-capacities lithium batteries such as gas, Li- carbon dioxide battery, the security application of lithium an- ode become next-generation energy
Measure the determinant of storage system.
Lithium metal is considered always the optimal negative electrode material of rechargeable lithium battery, it has high theoretical specific capacity
(3860mAh g-1), low-density (0.59g cm-3) and most negative electrochemical potential (comparison with standard hydrogen electrode about -3.04V)
Equal excellent properties.However due to the no-load bulk properties in lithium an- ode charge and discharge process, in recharge/discharge process
There are problems that dendritic growth, low coulombic efficiency (CE), the rechargeable battery based on lithium an- ode is caused not yet to be commercialized so far.
Recently, the manufacture of the structure design and collector of lithium an- ode has been shifted in the concern of research, to inhibit lithium branch
Brilliant growth, adjusts the circulation behavior of lithium.The current density in deposition process is reduced by design and uses high-specific surface area
Collector have become a new research direction.But manufacturing process complicated in traditional preparation method, and design
The material of nanostructure also limits their practical application.Therefore, development is necessary the simple strategy of lithium metal design, if
Meter synthesizes possible combination electrode and realizes brilliant electrochemical performance and cost-effectiveness.
Summary of the invention
For shortcoming existing for this field, the present invention proposes the lithium metal combination electrode and its system of a kind of array structure
Preparation Method.
The combination electrode is made of lithium metal and its compounding ingredients, the design feature with orthogonal array.
The lithium combination electrode with a thickness of 1 micron -1 centimetre, wherein the width range of the lithium metal in array is 10 to receive
- 500 microns of rice, the width of the composite components in array are 0.3 nanometer -500 microns.
The composite components include but is not limited to the film of metal, metal oxide, two-dimensional material and its composition, braided fabric
Etc. one such or laminated film.
Metal in the composite components includes but is not limited in copper, aluminium, gold, silver, molybdenum, iron, zinc, tin, germanium and alloy etc.
One or more, preferably metal foil and metal wire.
The metal oxide includes but is not limited to one of zinc oxide, tin oxide, silica, germanium oxide etc. or more
Kind.
The film of the two-dimensional material and its composition include but is not limited to graphene, boron nitride, molybdenum oxide, molybdenum disulfide,
Titanium carbide etc. and its one of film or composite membrane are a variety of.
The braided fabric includes but is not limited to one of carbon cloth, carbon nano-tube film, non-woven fabrics etc. or a variety of.
The laminated film includes but is not limited to metal and two-dimensional material, metal oxide and two-dimensional material, metal and gold
Belong to, one of metal and braided fabric, metal oxide and braided fabric etc. or a variety of.
When the combination electrode is using being metallic lithium base battery cathode, electrode surface is not apparent in charge and discharge process
Dendrite has superelevation face amount, the cycle life of excellent high rate performance and length.
The present invention also provides a kind of preparation methods of lithium metal combination electrode, comprising the following steps:
(1) in inert environments, lithium metal and compounding ingredients is handled through physical method and are prepared into lamellar composite lithium material；
Wherein lithium metal is preferably one of metal lithium bands, metal lithium sheet, lithium metal line etc. or a variety of；Wherein physics side
Method is preferably one of the methods of roll-in, mixing.
The inert environments are one of argon gas, helium etc. or a variety of.
(2) compound lithium material obtained in step (1) is prepared into MULTILAYER COMPOSITE lithium material using the methods of folding, winding
Material.
Selectivity includes step (3)
(3) MULTILAYER COMPOSITE lithium material obtained in step (2) is subjected to cutting to be prepared into the lithium with array structure compound
Electrode, wherein lithium combination electrode is with a thickness of 1 micron -1 centimetre.
The present invention also provides a kind of full battery, cathode is above-mentioned lithium metal combination electrode, and anode includes LiFePO4, cobalt acid
One of the tertiary cathodes such as lithium, nickel cobalt manganese, nickel cobalt aluminium, sulphur, oxygen, air, carbon dioxide etc..
The full battery includes one of lithium metal battery, lithium-sulfur cell, lithium sky battery, lithium carbon dioxide battery etc..
The beneficial effects of the present invention are:
Compound lithium electrode prepared by the present invention is smooth through multiple charge and discharge rear surface, without apparent dendrite；Face amount is
0.5-1000 milliampere hour is every square centimeter；Charge-discharge magnification is worked normally in 0.01-100 milliamperes of energy every square centimeter.
Detailed description of the invention
Fig. 1 is the lithium metal combination electrode production process schematic diagram for preparing array structure.
Fig. 2 is the X ray diffracting spectrum of the lithium metal combination electrode of array structure prepared by embodiment 1.
Fig. 3 is the electron scanning micrograph and energy of the lithium metal combination electrode of array structure prepared by embodiment 1
Spectrum analysis.
Fig. 4 is that the electrochemistry to battery of the lithium metal combination electrode for the array structure that embodiment 1 obtains recycles figure.
Fig. 5 is the electrification of the depth charge and discharge to battery of the lithium metal combination electrode for the array structure that embodiment 1 obtains
Learn circulation figure.
Fig. 6 is the lithium metal combination electrode for the array structure that embodiment 1 obtains and the electrification of the matched full battery of cobalt acid lithium
Learn performance map.
Specific embodiment
Illustrate technical solution of the present invention below by way of specific embodiment.It should be understood that mention one of the present invention or
Multiple steps do not repel before and after the combination step that there is also between other methods and step or these specifically mentioned steps
Other methods and step can also be inserted into.It should also be understood that these examples are merely to illustrate the present invention rather than the limitation present invention
Range.Unless otherwise indicated, the number of various method steps is only to identify the purpose of various method steps, rather than limit each method
Arrangement order or limit practical range of the invention, relativeness is altered or modified, in no substantial technological content alteration
Under conditions of, it also can be considered the enforceable scope of the present invention.
Raw material employed in embodiment and instrument do not have specific limitation to its source, buy in market or according to this
In field prepared by conventional method known to technical staff.
In following embodiments, the lithium metal combination electrode preparation process of the array structure is as shown in figure (1), the signal
Figure is intended to illustrate technical solution of the present invention.It should be understood that one or more step that the present invention mentions is not repelled described
Before and after combination step there is also can also be inserted between other methods and step or these specifically mentioned steps other methods and
Step.
Embodiment 1:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) 70 microns of thick metallic lithium foils are chosen, with a thickness of 25 microns of metal copper foil, by above two material in argon gas
It is rolled in atmosphere by roll squeezer, prepares homogeneous lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains 500 microns of thick combination electrodes by cutting.
(3) combination electrode that step (2) obtains is assembled into Symmetrical cells, in 1 milliampere of electric current every square centimeter, 1 milli
Electro-chemical test is carried out under ampere-hour face amount every square centimeter, which has stablized up to 1500 hours long circulatings
Performance (see attached drawing 4).
(4) combination electrode for obtaining step (2) assembles battery pair, in 1 milliampere of electric current every square centimeter, 50 millis
Electro-chemical test is carried out under ampere-hour face amount every square centimeter, can often be put down in 1 milliampere of electric current every square centimeter, 50 milliampere hour
Stablize under square centimetre of face amount and carries out depth charge and discharge 700 hours (see attached drawing 5).
(5) step (2) obtained electrode material is matched with lithium cobaltate cathode material, is assembled into full battery and is surveyed
Examination.
The X-ray diffraction pattern of material is shown in attached drawing 2, and the material that analyzing can must be prepared is the composite wood of lithium metal and copper
Material.Lithium-copper-lithium array arrangement is presented through scanning electron microscope detection orthogonal array, while the thickness of copper is about 25 micro-
Rice, lithium metal with a thickness of 70 microns (see attached drawings 3).Electro-chemical test is being carried out to the above-mentioned electrode prepared, this method obtains
To lithium metal combination electrode have the long circulating stability of excellent electrochemical stability and 1500 hours can be (see attached drawing
4)；It can stablize under 1 milliampere of current density every square centimeter, 50 milliampere hour are every square centimeter and carry out depth charge and discharge (see attached
Fig. 5), it when matching with lithium cobaltate cathode, shows that circulation 200 times chemical properties can be stablized under 0.5C current density.
(see attached drawing 6).
Embodiment 2:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has the gold of 10 nanometer thickness
Belong to lithium foil, cuts certain size with a thickness of 5 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper strips；
(2) the lithium copper strips of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-copper-lithium
The combination electrode material of orthogonal array structure obtains certain thickness electrode material by cutting.
Embodiment 3:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 500 microns thick
Metallic lithium foil cuts certain size with a thickness of 5 microns of metal copper foil, above two material is rolled, quality is prepared
Uniform lithium copper strips；
(2) the lithium copper strips of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-copper-lithium
The combination electrode material of orthogonal array structure obtains certain thickness electrode material by cutting.
Embodiment 4:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 10 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 500 microns of metal copper foil, above two material is rolled, quality is prepared
Uniform lithium copper strips；
(2) the lithium copper strips of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-copper-lithium
The combination electrode material of orthogonal array structure obtains certain thickness electrode material by cutting.
Embodiment 5:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, cut the metallic zinc foil of certain size,
Above two material is rolled, homogeneous lithium zinc band is prepared；
(2) the lithium zinc band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-zinc-lithium
The combination electrode material of orthogonal array structure obtains certain thickness electrode material by cutting.
Embodiment 6:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands is rolled by roll squeezer, cut the goldleaf of certain size, it will be upper
It states two kinds of materials to be rolled, prepares homogeneous lithium gold ribbon；
(2) the lithium gold ribbon of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-gold-lithium
The combination electrode material of orthogonal array structure obtains certain thickness electrode material by cutting.
Embodiment 7:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands is rolled by roll squeezer, cut the silver foil of certain size, it will be upper
It states two kinds of materials to be rolled, prepares homogeneous lithium silver band；
(2) the lithium silver band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-silver-lithium
The combination electrode material of orthogonal array structure obtains certain thickness electrode material by cutting.
Embodiment 8:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) gold-plated metal copper foil is prepared by the way that copper foil to be put into chlorine platinum acid solution first.Then in inert environments
In, metal lithium bands are rolled by roll squeezer, preliminary preparation has the metallic lithium foil of certain thickness micron thickness, cuts above-mentioned
The gold-plated metal copper foil of the certain size of preparation, above two material is rolled, and prepares homogeneous lithium gold/copper
Band；
(2) the lithium copper strips of step (1) preparation around machine is subjected to folding winding by folding ribbon, prepare with lithium-gold/
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
Embodiment 9:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) silver-plated metal copper foil is prepared by the way that copper foil to be put into silver nitrate solution first.Then in inert environments
In, metal lithium bands are rolled by roll squeezer, preliminary preparation has the metallic lithium foil of certain thickness micron thickness, cuts above-mentioned
The silver-plated metal copper foil of the certain size of preparation, above two material is rolled, and prepares homogeneous lithium silver/copper
Band；
(2) the lithium copper strips of step (1) preparation around machine is subjected to folding winding by folding ribbon, prepare with lithium-silver/
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
Embodiment 10:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, obtains the lithium metal with a thickness of 70 microns
Band rolls above-mentioned metal lithium bands and the single-layer graphene of 0.3 nanometer thickness, and it is multiple to prepare homogeneous lithium/graphene
Crossed belt；
(2) lithium/graphene composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, preparation is provided
There is lithium-graphene-lithium orthogonal array structure combination electrode material, by cutting, obtains certain thickness electrode material.
Embodiment 11:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, obtains the metal with a thickness of 500 microns
Lithium band rolls above-mentioned metal lithium bands and 500 microns of thick graphene films, and it is multiple to prepare homogeneous lithium/graphene
Crossed belt；
(2) lithium/graphene film composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared
Certain thickness electrode material is obtained by cutting with lithium-graphene-lithium orthogonal array structure combination electrode material.
Embodiment 12:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, obtains the lithium metal with a thickness of 10 nanometers
Above-mentioned metal lithium bands and 100 microns obtained thick graphene/boron nitride composite membranes are rolled, it is equal to prepare quality by band
Even lithium-graphene/boron nitride composite band；
(2) lithium-graphene/boron nitride composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, made
It is standby to provide lithium-graphene/boron nitride-lithium orthogonal array structure combination electrode material, by cutting, obtain certain thickness
Electrode material.
Embodiment 13:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is assembled into battery pair, it is close in 0.5 milliampere hour electric current every square centimeter
Degree is lower to carry out electro-chemical test.
Embodiment 14:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is assembled into battery pair, it is close in 1000 milliampere hour electric current every square centimeter
Degree is lower to carry out electro-chemical test.
Embodiment 15:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is assembled into battery pair, in 0.01 milliampere of current density every square centimeter
Lower carry out electro-chemical test.
Embodiment 16:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is assembled into battery pair, in 100 milliamperes of current densities every square centimeter
Lower carry out electro-chemical test.
Embodiment 17:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is matched with sulphur positive electrode, is assembled into lithium-sulfur cell and is surveyed
Examination.
Embodiment 18:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is matched with air cathode material, is assembled into lithium-air battery progress
Test.
Embodiment 19:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is matched with carbon dioxide, is assembled into the progress of lithium carbon dioxide battery
Test.
Embodiment 20:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is matched with nickel-cobalt-manganese ternary anode, is being assembled into lithium metal ternary just
Pole full battery is tested.
Embodiment 21:
A kind of preparation of lithium metal combination electrode, steps are as follows:
(1) in inert environments, metal lithium bands are rolled by roll squeezer, preliminary preparation has 70 microns of thick gold
Belong to lithium foil, cuts certain size with a thickness of 25 microns of metal copper foil, above two material is rolled, it is equal to prepare quality
Even lithium copper composite band；
(2) the lithium copper composite band of step (1) preparation is subjected to folding winding around machine by folding ribbon, prepared with lithium-
Copper-lithium orthogonal array structure combination electrode material obtains certain thickness electrode material by cutting.
(3) step (2) obtained electrode material is matched with nickel cobalt aluminium tertiary cathode, is being assembled into lithium metal ternary just
Pole full battery is tested.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Claims (8)
1. a kind of lithium metal combination electrode of array structure, which is characterized in that the combination electrode is by lithium metal and its complex group
Divide and constitutes, the design feature with orthogonal array；
The lithium combination electrode with a thickness of 1 micron -1 centimetre；
Wherein, the width range of the lithium metal in array is 10 nanometers -500 microns, the width range of the composite components in array
It is 0.3 nanometer -500 microns；
The composite components are selected from one of the film of metal, metal oxide, two-dimensional material and its composition, braided fabric or multiple
Close film.
2. lithium metal combination electrode according to claim 1, which is characterized in that the metal in the composite components is selected from
One of copper, aluminium, gold, silver, molybdenum, iron, zinc, tin, germanium and alloy are a variety of, preferably metal foil and metal wire；
The metal oxide is selected from one of zinc oxide, tin oxide, silica, germanium oxide or a variety of；
The film of the two-dimensional material and its composition is selected from graphene, boron nitride, molybdenum oxide, molybdenum disulfide, titanium carbide and its thin
One of film or composite membrane are a variety of；
The braided fabric is selected from one of carbon cloth, carbon nano-tube film, non-woven fabrics or a variety of；
The laminated film is selected from metal and two-dimensional material, metal oxide and two-dimensional material, metal and metal, metal and braiding
One of object, metal oxide and braided fabric are a variety of.
3. lithium metal combination electrode according to claim 1, which is characterized in that the face amount of the compound lithium electrode is
0.5-1000 milliampere hour is every square centimeter；Charge-discharge magnification is worked normally in 0.01-100 milliamperes of energy every square centimeter.
4. the preparation method of any lithium metal combination electrode of claim 1-3, which comprises the following steps:
(1) in inert environments, lithium metal and compounding ingredients is handled through physical method and are prepared into lamellar composite lithium material, wherein
Lithium metal is preferably one of metal lithium bands, metal lithium sheet, lithium metal line or a variety of；
Wherein physical method is preferably roll-in or mixing；
(2) compound lithium material obtained in step (1) is prepared into MULTILAYER COMPOSITE lithium material using folding, winding method.
5. the preparation method according to claim 4, which is characterized in that further include step (3): will be obtained in step (2)
MULTILAYER COMPOSITE lithium material carries out cutting and is prepared into the lithium combination electrode with array structure, and wherein lithium combination electrode is micro- with a thickness of 1
- 1 centimetre of rice.
6. the preparation method according to claim 4, which is characterized in that it is characterized in that, the inert environments be argon gas or
Helium.
7. a kind of full battery, which is characterized in that cathode is any lithium metal combination electrode of claim 1-3；
The anode is selected from one of LiFePO4, cobalt acid lithium, nickel cobalt manganese, nickel cobalt aluminium, sulphur, oxygen, air, carbon dioxide.
8. full battery according to claim 7, which is characterized in that the full battery is lithium metal battery, lithium-sulfur cell, lithium
One of empty battery, lithium carbon dioxide battery.
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| CN110635109A (en) * | 2019-07-29 | 2019-12-31 | 北京航空航天大学 | Lithium metal electrode prepared by 3D printing technology and preparation method thereof |
| CN112563038A (en) * | 2020-12-08 | 2021-03-26 | 江苏科技大学 | CoMoO4/Ti3C2Nano composite particle and preparation method and application thereof |
| CN114378581A (en) * | 2022-01-07 | 2022-04-22 | 广东华恒智能科技有限公司 | Copper-lithium composite forming equipment |
| CN114744150A (en) * | 2022-04-11 | 2022-07-12 | 大连交通大学 | Long-life metal lithium battery and preparation method thereof |
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