CN106532145A - Liquid metal battery - Google Patents
Liquid metal battery Download PDFInfo
- Publication number
- CN106532145A CN106532145A CN201611206737.4A CN201611206737A CN106532145A CN 106532145 A CN106532145 A CN 106532145A CN 201611206737 A CN201611206737 A CN 201611206737A CN 106532145 A CN106532145 A CN 106532145A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- negative pole
- liquid metal
- housing
- negative
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- Pending
Links
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 35
- 239000003792 electrolyte Substances 0.000 claims abstract description 26
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 37
- 238000009413 insulation Methods 0.000 claims description 25
- 150000003839 salts Chemical class 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 14
- 229910052783 alkali metal Inorganic materials 0.000 claims description 13
- 150000001340 alkali metals Chemical class 0.000 claims description 13
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 12
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 12
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 12
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 12
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229910052787 antimony Inorganic materials 0.000 claims description 9
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 6
- 229960004643 cupric oxide Drugs 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 229910000416 bismuth oxide Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052810 boron oxide Inorganic materials 0.000 claims description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- VRVAZSINCAZFLH-UHFFFAOYSA-N oxygen(2-) tin(4+) titanium(4+) Chemical compound [O--].[O--].[Ti+4].[Sn+4] VRVAZSINCAZFLH-UHFFFAOYSA-N 0.000 claims 1
- 239000011833 salt mixture Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical group O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
- H01M10/399—Cells with molten salts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/138—Primary casings; Jackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a liquid metal battery, which comprises a first shell and a first head cover arranged on the first shell, wherein at least one first battery pack is arranged in the first shell and comprises a first conductive crucible; a first positive electrode and a first electrolyte are arranged in the first conductive crucible; a first negative electrode is arranged in the first electrolyte; the first negative electrode is provided with a first negative electrode lead-out rod which is vertically arranged; and one end of the first negative electrode lead-out rod and the first head cover are arranged in an insulating manner. According to the liquid metal battery with the structure, the first conductive crucible playing an isolating role is arranged in the first shell for preventing alloy reaction between the first positive electrode and the first shell. The first electrolyte and the first positive electrode are arranged in the first conductive crucible. Compared with the liquid metal battery with an existing structure, the liquid metal battery has the advantages that the cycle life is longer, the influence of the outside on the battery is relatively small and management of the battery is more convenient.
Description
Technical field
The present invention relates to field of batteries, more particularly to a kind of liquid metal cell.
Background technology
The regenerative resource such as wind-force and photovoltaic is extensively given more sustained attention due to having the advantages that cleanliness without any pollution, but by
Natural environment is greatly relied in wind-force, solar energy etc., is understood with weather, the different and strong and weak changes of time, therefore such
Power technology has a discontinuous and defect in irregular change, and this defect causes that this kind of generation technology is grid-connected to be promoted the use of
Topmost obstacle.And the energy storage technology for studying positive heat at present can smoothly export energy, but its energy is by storage
Realizing, itself can not be generated electricity energy, therefore which is used in combination with wind-force, photovoltaic power generation technology and can be utilized well
Almost inexhaustible wind energy, solar energy etc..Therefore development can carry out high efficiency storage to intermittent energies such as wind energy, solar energy
The extensive energy storage technology deposited and stably export seems particularly critical.At present main energy storage technology be broadly divided into physics energy storage and
Chemical energy storage etc..Wherein physics energy storage has been primarily present flywheel energy storage, draw water energy storage and compressed-air energy storage etc., and its energy is converted
Rate is relatively low；Chemical energy storage mainly has lead-acid battery, all-vanadium flow battery, sodium-sulphur battery and lithium ion battery etc., chemistry storage
Can have energy density and high conversion efficiency, advantage of lower cost, it is flexible the features such as and become extensive energy storage at present
The main research direction of technology.But in extensive stored energy application, these batteries each there is a problem of certain.Plumbic acid electricity
Pond causes its cycle life shorter as its positive electrode active materials brown lead oxide is easy to come off in charge and discharge process, energy density
Relatively low, its single-revolution is relatively costly；And all-vanadium flow battery is restricted by critical materials such as electrolyte, amberplexes, while vanadium
With very high toxicity and resource-constrained；The corrosion of ceramics and rupture under sodium-sulphur battery high temperature produces serious potential safety hazard；
Lithium ion battery its electrochemical performance in extensive energy storage, but its production cost is high and its security is also one at present
Individual larger challenge.Therefore, on the basis of existing energy storage technology, reduction energy storage cost is further improved, develop and possess cost
Cheap, good rate capability, have extended cycle life, good security and the advantages of abundant raw materials, be adapted to the interval such as wind energy, solar energy
The extensive energy storage new technology of formula energy storage is extremely important.
In the last few years, researcher launched correlative study to liquid metal cell, and which shows as：Molten metal is used as electricity
Pond both positive and negative polarity, inorganic fused salt as electrolyte, molten state positive and negative pole material, molten-salt electrolysis under 200 to 700 DEG C of operating temperature
Matter is as density to each other is different and incompatibility and AUTOMATIC ZONING are the positive pole, the electrolyte and negative that exist from bottom to top
Pole.During battery discharge, negative metal loses electronics, and electronics moves to positive pole by external circuit acting, and negative metal ion passes through
Fused salt moves to positive pole and forms alloy with cathode metal.Charging process is then contrary.The battery of this particular design has storehouse
Human relations efficiency high, good rate capability, have extended cycle life, it is with low cost the advantages of, can meet simultaneously in terms of energy and power should
With having broad application prospects in terms of wind-force, the electricity generation grid-connecting energy storage such as solar energy is solved.
However, liquid metal cell there is also some defects at present, such as battery needs to work at high temperature, inside battery
, all in liquid, they are to cause battery to lose for moisture in air, oxygen extreme sensitivity for positive and negative pole material, electrolyte fused salt
One main cause of effect, therefore cell sealing requirement is very high.In addition at high temperature, melt both positive and negative polarity and fused salt is external
The corrosion rate of each part of battery such as shell, both positive and negative polarity insulating ceramics is very fast, particularly corrosion of the negative pole alkali metal to insulating ceramics
Particularly acutely, the service life of battery can be caused to greatly shorten.
In sum, a kind of cycle life that can effectively improve hydraulic pressure metal battery, battery how to be provided by ectocine
Little, battery with two side terminals is more preferable, the liquid metal cell that management is more convenient and production and use cost are lower of battery, into
The technical problem of those skilled in the art's urgent need to resolve.
The content of the invention
The technical problem to be solved in the present invention is：A kind of cycle life that can effectively improve liquid metal cell, electricity are provided
Pond is by ectocine is little, battery with two side terminals more preferably, battery manage more convenient and produced and liquid that use cost is lower
State metal battery.
What the solution of the present invention was realized in：A kind of interior and formula liquid metal cell of present invention proposition, including the
At least provided with the first battery pack in one housing and the first top cover being arranged on the first housing, the first shell body, described first
Battery pack includes the first conductive crucible, and the first positive pole and the first electrolyte are provided with first conductive crucible, and described first is electric
The first negative pole is provided with solution thing, first negative pole is provided with the first negative pole eduction rod being vertically arranged, and first negative pole draws
Go out one end of rod and the first top cover insulation set.
Another technical scheme of the present invention is two ends and the first shell of first top cover on above-mentioned basis
The inwall connection of body, is provided with the first insulation division in the middle part of first top cover, one end of the first negative pole eduction rod is from described
Pass in first insulation division.
The present invention another technical scheme be it is above-mentioned basis on, first housing, the first negative pole eduction rod and
The material of the first top cover is stainless steel or copper；First housing is shaped as cylinder, square or polyhedron.
Another technical scheme of the present invention is that, on above-mentioned basis, first negative pole also includes negative current collector,
The material of the negative current collector is porous foam metal；The material of first positive pole is closed to be formed with alkali or alkaline-earth metal
The heavy metal of gold；The material of first negative pole is alkali metal or magnesium, or for the mixture of alkali metal, magnesium and calcium metal.
Another technical scheme of the present invention is that, on above-mentioned basis, first conductive crucible is tin dioxide conductive
Crucible；The material of first positive pole includes metallic antimony and tin, and metallic antimony and the molar percentage of tin are 40：60；Described
The material of one negative pole is alkali metal lithium, and alkali metal lithium and the molar ratio of metallic antimony are 3：1.
Another technical scheme of the present invention is that first electrolyte is mixed for low melting point inorganic salts on above-mentioned basis
Compound or for inorganic salt mixt and the blend of ceramic powders；Or, first electrolyte includes lithium fluoride, lithium chloride
With lithium bromide mixed salt, the molar ratio of three is 22:31:47；The material of the negative current collector is foam iron-nickel porous material.
Another technical scheme of the present invention is that, on above-mentioned basis, the material of the first insulation division is ceramics, crystallite glass
Glass, inorganic salts, adhesive etc. it is therein one or more.
Another technical scheme of the present invention is that, on above-mentioned basis, the ceramics are zirconium oxide, aluminum oxide, nitridation
One or more in aluminium, boron nitride, carborundum；The devitrified glass is bismuth oxide, cupric oxide, zinc oxide, aluminum oxide, oxidation
One or more in boron, silica；The inorganic salts are lithium fluoride, lithium chloride, lithium bromide, lithium iodide, lithium iodide, chlorination
One or more in potassium, calcium chloride, sodium chloride；The adhesive be acrylic acid, epoxy, polyurethane, cupric oxide, in aluminum oxide
One or more than one.
Another technical scheme of the present invention be on above-mentioned basis, be at least additionally provided with the first shell body structure with
The second consistent battery pack of first battery pack structure, first battery pack and the second battery pack are set up in parallel, and described
Be additionally provided with negative plate in one housing, the two ends of the negative plate respectively with the first housing cavity insulation set, the first battery
The second negative pole eduction rod on the first negative pole eduction rod and the second battery pack in group is fixedly connected with the negative plate respectively, institute
State, one end of the 3rd negative pole eduction rod is passed from first top cover,
And with the first top cover insulation set.
Another technical scheme of the present invention is, on above-mentioned basis, to be additionally provided with insulation on first housing cavity
Ring, the two ends of the negative plate are respectively arranged on the dead ring.
Another technical scheme of the present invention is that, on above-mentioned basis, the material of the dead ring and described first insulate
The material in portion is identical.
Another technical scheme of the present invention is that, on above-mentioned basis, the liquid metal cell at least also includes second
Battery pack, second battery pack and the first battery pack are set up in parallel, and the structure of the second battery pack and first battery pack
Structure it is consistent.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.
Accompanying drawing 1 is a kind of cross section structure diagram of interior and formula liquid metal cell of the present invention；
Accompanying drawing 2 is the cross section structure diagram of battery pack in Fig. 1；
Fig. 3 is the cross section structure diagram of another kind of interior and formula liquid metal cell of the invention.
Reference corresponding relation is：
1 first housing, 2 first conductive crucible, 3 first positive pole
4 first electrolyte, 5 first negative pole, 6 second conductive crucible
7 second positive pole, 8 second electrolyte, 9 second negative pole
The 3rd negative pole eduction rod of 10 first 11 second negative pole eduction rod 12 of negative pole eduction rod
13 dead ring, 14 negative plate, 15 first top cover
16 first insulation division, 17 second top cover, 18 second insulation division
Specific embodiment
Describe the present invention below in conjunction with the accompanying drawings, the description of this part is only exemplary and explanatory, should not
There is any restriction effect to protection scope of the present invention.Additionally, description of the those skilled in the art according to presents, can be right
Feature in presents in embodiment and in different embodiments carries out respective combination.
The embodiment of the present invention is as follows, liquid metal cell shown in Figure 1, including the first housing 1 and is arranged at the
The first top cover 15 at the top of one housing 1, at least provided with the first battery pack in the first housing 1, the first battery pack includes that first is conductive
Crucible 2, is provided with the first positive pole 3 and the first electrolyte 4 in the first conductive crucible 2, and the first positive pole 3 is placed in the first conductive crucible 2
Bottom, the first electrolyte 4 include electrolyte, are provided with the first negative pole 5 in the first electrolyte 4, and the first negative pole 5 is provided with the first negative pole
Eduction rod 10, upper end and 15 insulation set of the first top cover of the first negative pole eduction rod 10.The liquid metal cell of this structure,
The first conductive crucible 2 of buffer action is provided with one housing 1, for preventing the conjunction between the first positive pole 3 and the first housing 1
Gold reaction.First electrolyte 4 and the first positive pole 3 are may be contained within the first conductive crucible 2, the liquid metal cell with existing structure
Compare, its cycle life is longer, battery is also less by external influence, and the management of battery is also more convenient.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in figure 1, the first top cover 15 is horizontally disposed with,
The two ends of the first top cover 15 are fixedly connected with the inwall of the first housing 1, are specifically as follows welding, can also be spirally connected, and can also be
Other any possible connected modes.The middle part of the first top cover 15 is provided with through hole, and the first insulation division 16 is arranged in through hole, and first
Punched out also is provided with insulation division 16, the upper end of the first negative pole eduction rod 10 is passed from this punched out, and is fixedly installed on and passes
In hole.
On the basis of above-described embodiment, in another embodiment of the present invention, the first housing 1, the first negative pole eduction rod 10 and
The material of the first top cover 15 is stainless steel, and more specifically, stainless steel is 430 stainless steels, and stainless robustness is good, is used
Low cost.It should be noted that in other embodiments, the material of the first housing 1, the first negative pole eduction rod 10 and the first top cover 15
Material can also be copper.First conductive crucible 2 is preferably tin dioxide conductive crucible.For the shape of the first housing 1, specifically can be with
For cylinder, can be cube structure, can also be polyhedral structure, i.e. the cross sectional shape of the first housing 1 can be it is circular,
Can also be square, can also be polygon, such as triangle, pentagon etc., here will not enumerate.
On the basis of above-described embodiment, in another embodiment of the present invention, the first negative pole 5 is concrete also including negative pole currect collecting
Body, the material of negative current collector are preferably porous foam metal, and concrete material is varied, and here is not especially limited.First
The material of positive pole 3 preferably can form the heavy metal of alloy with alkali or alkaline-earth metal.For the material of the first negative pole 5, preferably
Alkali metal or magnesium, or for the mixture of alkali metal, magnesium and calcium metal.
On the basis of above-described embodiment, in another embodiment of the present invention, the material of the first positive pole 3 include metallic antimony and
Tin, and metallic antimony and the molar percentage of tin are 40：60.The material of the first negative pole 5 can also be alkali metal lithium, and alkali metal lithium
Molar ratio with metallic antimony is 3：1.
On the basis of above-described embodiment, in another embodiment of the present invention, for the first electrolyte 4, preferably low melting point
Inorganic salt mixt or for inorganic salt mixt and the blend of ceramic powders.In other embodiments, the first electrolyte 4 is wrapped
Lithium fluoride, lithium chloride and lithium bromide mixed salt are included, the molar ratio of three is 22:31:47.For negative current collector, its material is excellent
Elect foam iron-nickel porous material as.
On the basis of above-described embodiment, in another embodiment of the present invention, for insulation division, its material be preferably ceramics,
One or more in devitrified glass, inorganic salts, adhesive.In other embodiments, the material of insulation division can also be
Zirconia ceramics.
On the basis of above-described embodiment, in another embodiment of the present invention, for ceramics, preferably zirconium oxide, aluminum oxide,
One or more in aluminium nitride, boron nitride, carborundum.
For devitrified glass, preferably in bismuth oxide, cupric oxide, zinc oxide, aluminum oxide, boron oxide, silica
Plant or various.
For inorganic salts, preferably lithium fluoride, lithium chloride, lithium bromide, lithium iodide, lithium iodide, potassium chloride, calcium chloride, chlorine
Change one or more in sodium.
For adhesive, preferably a kind of or one kind in acrylic acid, epoxy, polyurethane, cupric oxide, aluminum oxide with
On.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in Fig. 2 at least also setting in the first housing 1
There are structure and first the second battery pack of battery pack structure identical, the second battery pack is set up in parallel with the first battery pack, first shell
The top of body 1 is additionally provided with horizontally disposed negative plate 14, and the two ends of negative plate 14 are fixedly connected with the inwall of the first housing 1 respectively
And insulation set, the second battery pack includes the second conductive crucible 6, the second positive pole 7 and the second electrolysis is provided with the second conductive crucible 6
Thing 8, the second positive pole 7 are placed in the bottom of the second conductive crucible 6, and the second electrolyte 8 includes electrolyte, is provided with the second electrolyte 8
Second negative pole 9, the second negative pole 9 are provided with the second negative pole eduction rod 11, the first negative pole eduction rod 10 and the second negative pole eduction rod 11
Upper end be fixedly connected with the bottom surface of negative plate 14 respectively.And the upper surface of negative plate 14 is additionally provided with the 3rd negative pole eduction rod
12, the 3rd negative pole eduction rod 12 is vertically arranged, and its lower end is fixedly connected with negative plate 14, and upper end is passed from the first top cover 15,
And with 15 insulation set of the first top cover.It should be noted that more battery packs can also be arranged in the first housing 1, can be to appoint
What possible quantity, particular number are not limited thereto.
The liquid metal cell of said structure, operating temperature are 500 degree, compared with the liquid metal cell of existing structure,
With more preferable current flow uniformity, its cycle life is longer, and battery is also less by external influence, and the management of battery is also more square
Just.
On the basis of above-described embodiment, in another embodiment of the present invention, on 1 inner chamber of the first housing, dead ring is additionally provided with
13, the two ends of negative plate 14 are respectively arranged on dead ring 13, negative plate 14 simultaneously with the first housing 1, the first conductive crucible 2 and
Second conductive crucible 6 insulate.
On the basis of above-described embodiment, in another embodiment of the present invention, for the material of dead ring 13, preferably first
Insulation division 16 is identical with the second insulation division 18, and as ceramics, devitrified glass, inorganic salts, adhesive etc. are therein a kind of or a kind of
More than.
On the basis of above-described embodiment, in another embodiment of the present invention, as shown in figure 3, liquid metal cell is at least also
Including the second battery pack, the second battery pack and the first battery pack are set up in parallel, and the knot of the second battery pack and the first battery pack
Structure is consistent, arranges the second positive pole 7, second negative in the second battery pack in the second conductive crucible 6 of same setting, the second conductive crucible 6
Pole 9, the second negative pole 9 are provided with the second negative pole eduction rod 12, on first top cover 15 on the first battery pack top and the second battery pack
The second top cover 17 on same straight line, each part material therefor is also consistent respectively.It should be noted that can also arrange more
Battery pack, here is not especially limited.
The liquid metal cell of said structure, processing cost are lower, are adapted to extensive energy storage and use, and area occupied is more
It is little.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (12)
1. a kind of liquid metal cell, it is characterised in that including the first housing (1) and be arranged on the first housing (1) first
At least provided with the first battery pack in top cover (15), first housing (1), first battery pack includes the first conductive crucible
(2), it is provided with first conductive crucible (2) in the first positive pole (3) and the first electrolyte (4), first electrolyte (4) and sets
There is the first negative pole (5), first negative pole (5) is provided with the first negative pole eduction rod (10) being vertically arranged, first negative pole
One end of eduction rod (10) and the first top cover (15) insulation set.
2. liquid metal cell according to claim 1, it is characterised in that the two ends of first top cover (15) with it is described
The inwall connection of the first housing (1), is provided with the first insulation division (16) in the middle part of first top cover (15), first negative pole draws
The one end for going out rod (10) is passed from first insulation division (16).
3. liquid metal cell according to claim 2, it is characterised in that first housing (1), the first negative pole are drawn
The material of rod (10) and the first top cover (15) is stainless steel or copper；
First housing (1) is shaped as cylinder, square or polyhedron.
4. liquid metal cell according to claim 3, it is characterised in that first negative pole (5) also includes negative pole collection
Fluid, the material of the negative current collector is porous foam metal；
The material of first positive pole (3) is the heavy metal that alloy can be formed with alkali or alkaline-earth metal；
The material of first negative pole (5) is alkali metal or magnesium, or for the mixture of alkali metal, magnesium and calcium metal.
5. liquid metal cell according to claim 3, it is characterised in that first conductive crucible (2) is titanium dioxide
Tin conductive crucible；
The material of first positive pole (3) includes metallic antimony and tin, and metallic antimony and the molar percentage of tin are 40：60；
The material of first negative pole (5) is alkali metal lithium, and alkali metal lithium and the molar ratio of metallic antimony are 3：1.
6. liquid metal cell according to claim 4, it is characterised in that first electrolyte (4) for low melting point without
Machine salt mixture or for inorganic salt mixt and the blend of ceramic powders；
Or, first electrolyte (4) includes lithium fluoride, lithium chloride and lithium bromide mixed salt, and the molar ratio of three is 22:
31:47；
The material of the negative current collector is foam iron-nickel porous material.
7. liquid metal cell according to claim 6, it is characterised in that the material of the first insulation division (16) is ceramics,
Devitrified glass, inorganic salts, adhesive etc. it is therein one or more.
8. liquid metal cell according to claim 7, it is characterised in that the ceramics are zirconium oxide, aluminum oxide, nitridation
One or more in aluminium, boron nitride, carborundum；
The devitrified glass be bismuth oxide, cupric oxide, zinc oxide, aluminum oxide, boron oxide, one or more in silica；
The inorganic salts be lithium fluoride, lithium chloride, lithium bromide, lithium iodide, lithium iodide, potassium chloride, calcium chloride, in sodium chloride one
Plant or various；
The adhesive is acrylic acid, epoxy, polyurethane, cupric oxide, the one or more than one in aluminum oxide.
9. liquid metal cell according to any one of claim 1 to 7, it is characterised in that in first housing (1)
Structure second battery pack consistent with first battery pack structure, first battery pack and the second battery pack are additionally provided with least
It is set up in parallel, is additionally provided with negative plate (14) in first housing (1), the two ends of the negative plate (14) is respectively with described first
Housing (1) inner chamber insulation set, the second negative pole on the first negative pole eduction rod (10) and the second battery pack in the first battery pack
Eduction rod (11) is fixedly connected with the negative plate (14) respectively, is additionally provided with the 3rd negative pole eduction rod on the negative plate (14)
(12), one end of the 3rd negative pole eduction rod (12) is passed in first top cover (15), and with first top cover
(15) insulation set.
10. liquid metal cell according to claim 9, it is characterised in that be additionally provided with the first housing (1) inner chamber
Dead ring (13), the two ends of the negative plate (14) are respectively arranged on the dead ring (13).
11. liquid metal cells according to claim 10, it is characterised in that the material of the dead ring (13) with it is described
The material of the first insulation division (16) is identical.
12. liquid metal cells according to any one of claim 1 to 7, it is characterised in that the liquid metal cell
At least also include the second battery pack, second battery pack and the first battery pack are set up in parallel, and the structure of the second battery pack with
The structure of first battery pack is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611206737.4A CN106532145A (en) | 2016-12-23 | 2016-12-23 | Liquid metal battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611206737.4A CN106532145A (en) | 2016-12-23 | 2016-12-23 | Liquid metal battery |
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| CN114122510A (en) * | 2021-11-25 | 2022-03-01 | 华北电力大学 | Four-component inorganic molten salt electrolyte for lithium-based liquid metal battery |
| CN114824512A (en) * | 2022-04-13 | 2022-07-29 | 华中科技大学 | Sodium-based liquid metal battery based on replacement reaction and preparation method thereof |
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Application publication date: 20170322 |