CN108695485A - A kind of maintenance of lithium slurry battery generating apparatus and safeguards regeneration method again - Google Patents
A kind of maintenance of lithium slurry battery generating apparatus and safeguards regeneration method again Download PDFInfo
- Publication number
- CN108695485A CN108695485A CN201710224927.7A CN201710224927A CN108695485A CN 108695485 A CN108695485 A CN 108695485A CN 201710224927 A CN201710224927 A CN 201710224927A CN 108695485 A CN108695485 A CN 108695485A
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- China
- Prior art keywords
- gas
- liquid
- lithium slurry
- slurry battery
- battery
- Prior art date
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- Granted
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 364
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 363
- 239000002002 slurry Substances 0.000 title claims abstract description 356
- 238000012423 maintenance Methods 0.000 title claims abstract description 83
- 238000011069 regeneration method Methods 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 391
- 238000002347 injection Methods 0.000 claims abstract description 76
- 239000007924 injection Substances 0.000 claims abstract description 76
- 239000012530 fluid Substances 0.000 claims abstract description 61
- 238000001802 infusion Methods 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 492
- 239000003792 electrolyte Substances 0.000 claims description 48
- 238000004140 cleaning Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 23
- 239000000654 additive Substances 0.000 claims description 20
- 230000000996 additive effect Effects 0.000 claims description 20
- 238000012806 monitoring device Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 238000005086 pumping Methods 0.000 claims description 17
- 239000003570 air Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 14
- 230000008439 repair process Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical class COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 229910003002 lithium salt Inorganic materials 0.000 claims description 3
- 159000000002 lithium salts Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 claims description 2
- 150000003459 sulfonic acid esters Chemical class 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012459 cleaning agent Substances 0.000 claims 3
- 229920002472 Starch Polymers 0.000 claims 2
- 235000019698 starch Nutrition 0.000 claims 2
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 230000008929 regeneration Effects 0.000 abstract description 13
- -1 polytetrafluoroethylene Polymers 0.000 description 10
- 238000005303 weighing Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000007086 side reaction Methods 0.000 description 6
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000006757 chemical reactions by type Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- SJHAYVFVKRXMKG-UHFFFAOYSA-N 4-methyl-1,3,2-dioxathiolane 2-oxide Chemical compound CC1COS(=O)O1 SJHAYVFVKRXMKG-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WDXYVJKNSMILOQ-UHFFFAOYSA-N 1,3,2-dioxathiolane 2-oxide Chemical compound O=S1OCCO1 WDXYVJKNSMILOQ-UHFFFAOYSA-N 0.000 description 1
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 description 1
- PCYBDHWNMPLUSI-UHFFFAOYSA-N 2,2,2-trifluoroethylphosphonic acid Chemical class OP(O)(=O)CC(F)(F)F PCYBDHWNMPLUSI-UHFFFAOYSA-N 0.000 description 1
- XOUIPIUHGJBZFX-UHFFFAOYSA-N 4,4,5,5-tetramethyl-1,3-dioxolane Chemical class CC1(C)OCOC1(C)C XOUIPIUHGJBZFX-UHFFFAOYSA-N 0.000 description 1
- AGQKYUPKNZGEQS-UHFFFAOYSA-N C(C)(=O)OC=C.C(O)(=O)Cl Chemical compound C(C)(=O)OC=C.C(O)(=O)Cl AGQKYUPKNZGEQS-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- PLUBXMRUUVWRLT-UHFFFAOYSA-N Ethyl methanesulfonate Chemical compound CCOS(C)(=O)=O PLUBXMRUUVWRLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- JGFBQFKZKSSODQ-UHFFFAOYSA-N Isothiocyanatocyclopropane Chemical compound S=C=NC1CC1 JGFBQFKZKSSODQ-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 1
- LFLBHTZRLVHUQC-UHFFFAOYSA-N butyl methanesulfonate Chemical compound CCCCOS(C)(=O)=O LFLBHTZRLVHUQC-UHFFFAOYSA-N 0.000 description 1
- PWLNAUNEAKQYLH-UHFFFAOYSA-N butyric acid octyl ester Natural products CCCCCCCCOC(=O)CCC PWLNAUNEAKQYLH-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical compound CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 description 1
- ABDBNWQRPYOPDF-UHFFFAOYSA-N carbonofluoridic acid Chemical compound OC(F)=O ABDBNWQRPYOPDF-UHFFFAOYSA-N 0.000 description 1
- 239000011246 composite particle Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- NVJBFARDFTXOTO-UHFFFAOYSA-N diethyl sulfite Chemical compound CCOS(=O)OCC NVJBFARDFTXOTO-UHFFFAOYSA-N 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- BDUPRNVPXOHWIL-UHFFFAOYSA-N dimethyl sulfite Chemical compound COS(=O)OC BDUPRNVPXOHWIL-UHFFFAOYSA-N 0.000 description 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N dimethylmethane Natural products CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- XMJHPCRAQCTCFT-UHFFFAOYSA-N methyl chloroformate Chemical compound COC(Cl)=O XMJHPCRAQCTCFT-UHFFFAOYSA-N 0.000 description 1
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- UUIQMZJEGPQKFD-UHFFFAOYSA-N n-butyric acid methyl ester Natural products CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/691—Arrangements or processes for draining liquids from casings; Cleaning battery or cell casings
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4242—Regeneration of electrolyte or reactants
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/52—Removing gases inside the secondary cell, e.g. by absorption
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The present invention provides a kind of maintenance of lithium slurry battery generating apparatus again, and generating apparatus includes again for the maintenance:Gas nozzle can be connected or disconnected with the gas port of lithium slurry battery;Liquid mouth can be connected or disconnected with the liquid mouth of lithium slurry battery;Gas concentration unit, by first gas piping connection in gas nozzle;Gas reservoir, by second gas piping connection in gas nozzle;Liquid withdrawal system is connected to liquid mouth by the first liquid line;Wet tank, by second liquid piping connection in liquid mouth;And it is set to the control valve of each gas piping and liquid line.The present invention also provides a kind of maintenance regeneration methods of lithium slurry battery.The maintenance of lithium slurry battery through the invention generating apparatus and safeguards regeneration method again, fluid injection, fluid infusion can be carried out to lithium slurry battery, change liquid, gas injection and exhaust, to improve performance, safety and the leakproofness of battery, extend battery life, realizes the maintenance and regeneration of lithium slurry battery.
Description
Technical field
The present invention relates to lithium slurry field of batteries, more particularly to a kind of maintenance of lithium slurry battery generating apparatus and dimension again
Protect regeneration method.
Background technology
Lithium slurry battery is a kind of novel high-energy battery, and the electrocondution slurry inside electrode slice contains certain proportion and is being electrolysed
The conductive particle for suspending or precipitating in liquid, when battery is by external impact or concussion, since this partially electronically conductive particle is not viscous
Fixation is connect, therefore can be moved in the electrolytic solution, and forms dynamic conductive network, conductive particle therein, which can only contain, leads
Electric agent can also be the composite particles of active material and conductive agent.Electrocondution slurry in lithium slurry battery can be to avoid traditional lithium
Battery capacity caused by battery electrode material falls off or loosens declines problem and cycle life attenuation problem.
However, lithium slurry battery is in the long-term use it is possible that following problem:(1) lithium slurry battery used
The side reaction generated in journey can cause electrolyte gradually to fail, and electrode active material even collection liquid surface is given birth to due to side reaction
At SEI films can constantly thicken, this will cause the lithium slurry internal resistance of cell increase, cycle life decline;(2) lithium slurry battery uses
The side reaction generated in the process can consume electrolyte, cause the electrolyte that inside battery participates in electrochemical reaction very few, influence lithium
The conduction of ion in the battery, and then reduce battery performance;(3) during the use of lithium slurry battery, one side over-charging of battery mistake
Battery flatulence may be led to and cause air pressure in shell higher by putting or side reaction occurring, and on the other hand may be led due to being used for a long time
Air pressure in battery case is caused to reduce and therefore can not play the role of sealing gland and the safety of battery and leakproofness is caused to decline in turn.
Based on the self-characteristic of lithium slurry battery, battery performance can be improved by safeguarding that regenerated mode extends battery life.
Invention content
For the problem present on, the present invention provides a kind of maintenance of lithium slurry battery generating apparatus and maintenance regeneration again
Method.The maintenance of lithium slurry battery through the invention generating apparatus and safeguards regeneration method again, can be carried out to lithium slurry battery
Liquid, gas injection and exhaust are changed in fluid injection, fluid infusion, to improve performance, safety and the leakproofness of battery, extend the battery longevity
Life realizes the maintenance and regeneration of lithium slurry battery.
Technical solution provided by the invention is as follows:
A kind of maintenance of lithium slurry battery generating apparatus again is provided according to the present invention, lithium slurry battery includes can be with lithium slurry
The gas port and liquid mouth of battery case internal fluid communication safeguard that again generating apparatus includes:Gas nozzle, the gas nozzle can be with lithium slurry batteries
Gas port connect or disconnect;Liquid mouth, the liquid mouth can be connected or disconnected with the liquid mouth of lithium slurry battery;Gas concentration unit, should
Gas concentration unit is connected to gas nozzle by first gas pipeline and gas main;First gas control valve, the first gas control
Valve processed is set on first gas pipeline and enables to the gas in lithium slurry battery via gas nozzle, gas main, the first gas
Body pipeline enters gas concentration unit;Gas reservoir, the gas reservoir are connected to gas by second gas pipeline and gas main
Mouth;Second gas control valve, the second gas control valve are set on second gas pipeline and enable in gas reservoir
Gas enters via second gas pipeline, gas main, gas nozzle in lithium slurry battery;Liquid withdrawal system, liquids recovery dress
It sets and liquid mouth is connected to by the first liquid line and liquid manifold;First liquid control valve, first liquid control valve are set to
On first liquid line and the liquid in lithium slurry battery is enabled to enter via liquid mouth, liquid manifold, the first liquid line
Liquid withdrawal system;Wet tank, the wet tank are connected to liquid mouth by second liquid pipeline and liquid manifold;Second liquid
Control valve, the second liquid control valve are set on second liquid pipeline and enable to the liquid in wet tank via second
Liquid line, liquid manifold, liquid mouth enter in lithium slurry battery.
It is equipped in the shell of above-mentioned lithium slurry battery in the shell of battery core or above-mentioned lithium slurry battery equipped with single or more
A Soft Roll/Hard Roll battery cell.By the gas port on shell, the inside of lithium slurry battery can be connected to extraneous gas;Pass through
The inside of liquid mouth on shell, lithium slurry battery can be connected to outside liquid.It, can be with according to the concrete structure of lithium slurry battery
So that the enclosure interior of lithium slurry battery is connected to via gas port, liquid mouth and respective line with external fluid, or it can make lithium
It is connected to external fluid via gas port, liquid mouth and respective line inside the shell monomer of slurry battery.Safeguard again the gas nozzle of generating apparatus
With liquid mouth can respectively on lithium slurry battery case gas port and liquid mouth be tightly connected.For example, gas port and liquid mouth can be circle
The opening of shape, gas nozzle and liquid mouth can be the cone that surface is covered with elastic material, and gas nozzle and liquid mouth can be inserted into gas port respectively
Be tightly engaged into and can quickly extract in liquid mouth.Such as gas port and liquid mouth can be equipped with the cylinder of through-hole centered on
Shape protrusion, gas nozzle and liquid mouth can be resilient sleeve, and gas nozzle and liquid mouth can be respectively fitted over gas port and liquid mouth tightens contiguity and merges
And it can quickly remove.Gas port, liquid mouth, gas nozzle and liquid mouth embodiment be not limited to said program, as long as maintenance device
Gas nozzle and liquid mouth are convenient for engaging and disconnecting with the gas port of lithium slurry battery and liquid mouth.
Lithium slurry the battery maintenance gas reservoir of generating apparatus, wet tank, gas concentration unit and liquid withdrawal system again
Material can be metal material or insulation electrolyte resistance material, metal material can be stainless steel, aluminium etc., and insulate electrolyte resistance
Material can be polytetrafluoroethylene (PTFE), polypropylene, polyethylene etc..Dry gas is stored in gas reservoir, dry gas can be
One or more of nitrogen, air, inert gas and sulfur hexafluoride mix, it is preferable that and the water content of dry gas≤
0.1ppm.First gas pipeline, second gas pipeline, the first liquid line, second liquid pipeline, gas main and liquid manifold
Can be rigid pipe or flexible pipe, material is such as can be stainless steel, aluminium, polytetrafluoroethylene (PTFE), polypropylene, polyethylene.The
One gas control valve, second gas control valve, the first liquid control valve and second liquid control valve can be flow control valve, excellent
The above-mentioned control valve of selection of land is check valve.
Wet tank can be only electrolyte storage tank.Alternatively, wet tank may include multiple storage tanks, such as:First electricity
Solve liquid storage tank, cleaning liquid storage tank and the second electrolyte storage tank, wherein electrolyte, cleaning solution are stored in the first electrolyte storage tank
Electrolyte of the storage containing SEI film stabilization and repair additive in cleaning solution, the second electrolyte storage tank is stored in storage tank.First electricity
Solving liquid storage tank, cleaning liquid storage tank and the second electrolyte storage tank can be by switching valve or multiple liquid control valve respectively with second
Liquid line is connected to.Electrolyte is the mixture of lithium salts and solvent, and lithium salts is lithium hexafluoro phosphate, and solvent can be ethylene carbonate
(EC), diethyl carbonate (DEC), dimethyl carbonate (DMC) or methyl ethyl carbonate (EMC) etc.;Cleaning solution can be esters and carbon
Acid esters analog derivative, ethers and ketone.In particular, esters solvent includes ethylene carbonate, propene carbonate, carbonic acid diformazan
Ester, diethyl carbonate, methyl ethyl carbonate, methyl propyl carbonate, methyl formate, Ethyl formate, methyl acetate, ethyl acetate, acetic acid
Propyl ester, ethyl propionate, methyl butyrate, ethyl butyrate, ethylene sulfite, propylene sulfite, trimethyl phosphate, tricresyl phosphate second
Ester and tributyl phosphate etc.;Carbonates derivative includes chlorocarbonic acid vinyl acetate, fluorinated ethylene carbonate, two fluoro carbonic acid third
Enester and three fluoropropylene carbonates etc.;Ether solvent includes dimethoxymethane, 1,2- dimethoxy, tetrahydrofuran, diformazan
Base tetrahydrofuran, diethylene glycol dimethyl ether, tetramethyl -1,3- dioxolanes etc.;Ketones solvent includes acetone etc..SEI films are stablized
Can be that one or more of following additive is used cooperatively with repair additive:Sulfinyl additive, such as:Sulfurous acid
Vinyl acetate, propylene sulfite, dimethyl sulfite, diethyl sulfite, dimethyl sulfoxide etc.;Sulfonic acid esters additive,
Such as 1,3- propane sultones, 1,4- butane sultones, ethylmethane sulfonate and butyl methyl sulfonate etc.;Vinylene carbonate
Ester;Methyl phenyl ethers anisole or its halo derivatives;Halogenated organic matters, such as halogenated EC, trifluoroethyl phosphonic acids, methylchloroformate, bromo fourth
Lactone and fluoroacetic base ethane etc.;Inorganic additive, such as sulfur dioxide, carbon dioxide, lithium carbonate etc..Above-mentioned additive with
Electrolyte is used cooperatively, and accounts for the 0.1~5% of electrolyte content.In addition, wet tank can further include SEI film reaction types
Disrupting agent storage tank.SEI film reaction type disrupting agents are, for example, the proton solvent containing reactive hydrogen such as acids, alcohols, amine.
Safeguard that again generating apparatus may include vacuum extractor, which is set to first gas pipeline and can be through
By gas nozzle to lithium slurry battery vacuum-pumping.When control device or manually opened first gas control valve, it can utilize and vacuumize
Device via lithium slurry battery gas port, safeguard again generating apparatus gas nozzle by the gas in lithium slurry battery be pumped to gas recycling
In device.Safeguard that again generating apparatus can also include the first liquid pump, which be set to the first liquid line and can be via
Liquid mouth extracts the liquid in lithium slurry battery.When control device or manually opened first liquid control valve, first can be utilized
Liquid pump via lithium slurry battery liquid mouth, safeguard again the liquid mouth of generating apparatus by the liquid pumping in lithium slurry battery to liquids recovery
In device.
Safeguard that again generating apparatus may include gas actuating device, which is set to second gas pipeline and passes through
By gas-powered piping connection in wet tank, gas actuating device can drive the gas in gas reservoir via gas nozzle and lithium
The gas port of slurry battery enters lithium slurry battery and the gas in gas reservoir can be driven to enter wet tank and and then driven
Liquid in dynamic wet tank enters lithium slurry battery via the liquid mouth of liquid mouth and lithium slurry battery.It opens when control device or manually
When opening second gas control valve, gas actuating device can be utilized the gas in gas reservoir via gas nozzle and lithium slurry battery
Gas port be pumped in lithium slurry battery.When control device or manually opened second liquid control valve and gas driving tube road
When control valve, the gas in gas reservoir can be pumped in wet tank using gas actuating device, and then liquid is stored up
Liquid in tank is pushed to via the liquid mouth of liquid mouth and lithium slurry battery in lithium slurry battery.That is, passing through gas-powered
Device can not only pump the gas in gas reservoir but also can pump the liquid in wet tank.In another embodiment, it ties up
Generating apparatus includes gas actuating device and the second liquid pump to shield again, and gas actuating device is set to second gas pipeline, gas-powered
Device can drive the gas in gas reservoir to enter in lithium slurry battery via the gas port of gas nozzle and lithium slurry battery, the second liquid
Pump is set to second liquid pipeline, and the second liquid pump can drive the liquid in wet tank via the liquid of liquid mouth and lithium slurry battery
Mouth enters in lithium slurry battery.When control device or manually opened second gas control valve, gas actuating device can be utilized
Gas in gas reservoir is pumped to via the gas port of gas nozzle and lithium slurry battery in lithium slurry battery.When control device or hand
When dynamic unlatching second liquid control valve, the second liquid pump can be utilized the liquid in wet tank via liquid mouth and lithium slurry battery
Liquid mouth be pumped in lithium slurry battery.That is, completing gas reservoir by gas actuating device and the second liquid pump respectively
In gas and wet tank in liquid conveying.
Safeguard that again generating apparatus may also include third gas pipeline, gas nozzle is connected to gas by third gas pipeline and gas main
Body retracting device.It can be equipped with third gas control valve on third gas pipeline, make a reservation for when the air pressure in lithium slurry battery is more than
When air pressure, gas in lithium slurry battery can via gas nozzle, gas main, third gas pipeline and third gas control valve into
Enter gas concentration unit.Third gas control valve can be air bleeding valve, be opened automatically by the gas pressure in third gas pipeline
It opens and closes;Alternatively, third gas control valve can be electronic control valve, pass through the gas in the third gas pipeline that detects
Pressure is opened and closed by control device or manually.In addition, in the case where being not provided with third gas pipeline, lithium slurry electricity
Gas recycling can also be entered by first gas pipeline and first gas control valve by being more than the gas of preset air pressure value in pond
Device.During lithium slurry battery use, due to lithium slurry battery cell super-charge super-discharge and electrolyte volatilization etc., because
This air pressure in lithium slurry battery will be risen.It, can be effective by the way that the gas in lithium slurry battery to be discharged in time
Ground prevents lithium slurry battery from the generation of the unsafe conditions such as explosion occurs because internal pressure is excessive.Predetermined gas in lithium slurry battery
Pressure range can determine, such as can be 0.15MPa~0.5Mpa according to actual needs.
Air gauge can be equipped in gas main, to the air pressure in detection gas manifold.Gas main one end is connected to
Gas nozzle, the other end can be connected by four-way connection with first gas pipeline, second gas pipeline and third gas pipeline.In liquid
Hydralic pressure gauge can be equipped in manifold, to detect the hydraulic pressure in liquid manifold.The one end liquid manifold is connected to liquid mouth, and the other end can lead to
Three-way connection is crossed with the first liquid line and second liquid pipeline to be connected.
It safeguards that again generating apparatus may also include vibration heating device, lithium slurry battery can be carried out by vibration heating device
Vibration heating to lithium slurry battery to be cleaned or removed SEI films.During the long-time service of lithium slurry battery, due to
The generation of side reaction, electrolyte can gradually fail, the electrode active material SEI films that even collection liquid surface is generated due to side reaction
It can constantly thicken, this will cause the lithium slurry internal resistance of cell to increase, cycle life declines.In order to destroy SEI films, vibration can be utilized
Heating device carries out the methods of high-temperature process, Ultrasonic Heating removal SEI films to lithium slurry battery.In addition, being changed in lithium slurry battery
During liquid, by repeatedly vacuumizing, fluid injection and drain clean lithium slurry battery.In order to enable lithium slurry battery
Cleaning is more thorough, lithium slurry battery can be vibrated and be heated using vibration heating device in cleaning process.
Safeguard that again generating apparatus may also include weighing device, it can be to the lithium slurry before fluid injection and after fluid injection by weighing device
Battery is weighed, to accurately obtain the reservoir quantity of lithium slurry battery.In addition, safeguarding that again generating apparatus can also pass through control
The modes such as reservoir quantity, sensor detection accurately grasp reservoir quantity.
Safeguard that again generating apparatus may also include formation device, the positive terminal and anode connector of formation device can be with lithium slurries
The positive terminal and negative terminal of battery are electrically connected and can be charged and discharged to lithium slurry battery.By formation device,
Lithium slurry battery can be substantially discharged before lithium slurry battery changes liquid.In addition, can also be used by formation device
Charge and discharge, large current density, high potential cross the methods of charge and discharge to lithium slurry battery removal SEI films to high temperature repeatedly.
Safeguard that again generating apparatus may also include monitoring device, to monitor lithium slurry in the maintenance regenerative process of lithium slurry battery
Expect voltage and the temperature etc. of battery.When lithium slurry battery is during the on-line maintenances such as gas injection, exhaust, fluid infusion, maintenance regeneration being set
Standby real time monitoring is maintained voltage, the state of temperature of battery, if deviation occur in the voltage or temperature of detection, alarms immediately, and
Stop battery maintenance work.
It safeguards that again generating apparatus may also include control device, first gas control valve, second can be controlled by control device
Gas control valve, third gas control valve, the first liquid control valve, second liquid control valve, vacuum extractor, gas-powered dress
It sets, the opening and closing of the first liquid pump, the second liquid pump, vibration heating device, formation device and monitoring device.In addition, safeguarding again
Control panel can be equipped on generating apparatus, operation to control device may be implemented by control panel and to each control valve and
The manual operation of device.
According to the present invention also provides a kind of maintenance regeneration method of lithium slurry battery, the dimension of above-mentioned lithium slurry battery is utilized
Shield again generating apparatus to the lithium slurry battery equipped with gas port and liquid mouth carry out the attended operations such as fluid injection, fluid infusion, gas injection and exhaust and
Lithium slurry battery is carried out changing the regenerative operations such as liquid.
In the maintenance regeneration method of lithium slurry battery, injection process may include steps of:(1) gas-liquid mouth docks:
It will safeguard that the gas nozzle of generating apparatus and liquid mouth are docked and sealed with the gas port of lithium slurry battery and liquid mouth again;(2) it vacuumizes:It opens and takes out
Vacuum plant and first gas control valve close vacuum extractor and first gas via gas nozzle to lithium slurry battery vacuum-pumping
Control valve;(3) fluid injection:It opens the liquid pump of gas actuating device/second and opens second liquid control valve, via liquid mouth to lithium slurry
Battery carries out fluid injection, and the liquid pump of gas actuating device/second is closed when electrolyte fills lithium slurry battery and closes second liquid
Control valve;(4) alternating vacuum pumping liquid injection:Repeat step (2)~(3) 3~5 times;(5) fluid injection terminates:By gas nozzle and liquid mouth from lithium
The gas port and liquid mouth of slurry battery are extracted, and the gas port and liquid mouth of lithium slurry battery are sealed.Through the above steps, it may be implemented to lithium
The initial fluid injection of slurry battery.
In addition, can weigh to lithium slurry battery in the injection process of lithium slurry battery, to realize lithium slurry
The accurate fluid injection of battery.In particular, in above-mentioned steps (1), in the gas nozzle and liquid mouth that will safeguard again generating apparatus and lithium slurry
Before gas port and liquid the mouth docking of battery, the weight m of the lithium slurry battery of non-fluid injection is recorded by weighing device1, in above-mentioned step
Suddenly it in (5), after the extraction of the gas port and liquid mouth of lithium slurry battery, is completed by weighing device record by gas nozzle and liquid mouth
The weight m of the lithium slurry battery of fluid injection2, battery liquid-filling amount is calculated by the difference of the lithium slurry battery weight before and after fluid injection.
In addition, in order to enable lithium slurry battery in or monomer in battery core can fully infiltrate, in above-mentioned steps (3),
After electrolyte fills lithium slurry battery, gas actuating device and second gas control valve can be opened in lithium slurry battery
Portion carries out supercharging and by lithium slurry battery standing.Boost pressure for example can be 0.2MPa~0.5MPa, and time of repose for example may be used
Think 3~60 seconds.
In the maintenance regeneration method of lithium slurry battery, fluid infusion process may include steps of:(1) gas-liquid mouth docks:
It will safeguard again that the gas nozzle of generating apparatus and liquid mouth are docked and sealed with the gas port of lithium slurry battery and liquid mouth, open and safeguard generating apparatus again
Monitoring device monitoring the voltage and temperature of lithium slurry battery;(2) it vacuumizes:Open vacuum extractor and first gas control
Valve processed closes vacuum extractor and first gas control valve via gas nozzle to lithium slurry battery vacuum-pumping;(3) fluid injection:Open gas
The liquid pump of body drive/second simultaneously opens second liquid control valve, carries out fluid injection to lithium slurry battery via liquid mouth, works as electrolyte
The liquid pump of gas actuating device/second is closed when filling lithium slurry battery and closes second liquid control valve;(4) alternately note is vacuumized
Liquid:Repeat step (2)~(3) 3~5 times;(5) fluid injection terminates:Monitoring device is closed, gas nozzle and liquid mouth is electric from the lithium slurry
The gas port and liquid mouth in pond are extracted, and the gas port and liquid mouth of lithium slurry battery are sealed.As can be seen that during injection process and fluid infusion
All include the steps that multiple alternately vacuum pumping liquid injection, this is because there may be bubble, bubbles in lithium slurry battery after fluid injection
Presence will influence the performance of lithium slurry battery, therefore by lithium slurry electricity by way of being vacuumized above liquid level of electrolyte
Bubble extraction in the electrolyte of pond can be conducive to make liquid be full of entire lithium slurry battery by further fluid injection.
In the maintenance regeneration method of lithium slurry battery, changes liquid process and may include steps of:(1) it discharges:Lithium is starched
Expect that battery discharge to charged capacity is zero;(2) gas-liquid mouth docks:It will safeguard the gas nozzle of generating apparatus again and liquid mouth and lithium slurry battery
Gas port and liquid mouth dock and seal;(3) drain:Simultaneously open gas actuating device, second gas control valve, the first liquid pump and
First liquid control valve makes the electrolyte in lithium slurry battery be expelled to liquid withdrawal system via liquid mouth, is closed after drain
It holds one's breath body drive, second gas control valve, the first liquid pump and the first liquid control valve;(4) fluid injection is cleaned:A, it vacuumizes:
Vacuum extractor and first gas control valve are opened, via gas nozzle to lithium slurry battery vacuum-pumping, closes vacuum extractor and the
One gas control valve;B, cleaning solution is noted:Wet tank is switched into cleaning liquid storage tank therein, opens gas actuating device/the
Two liquid pumps simultaneously open second liquid control valve, cleaning solution are injected to lithium slurry battery via liquid mouth, when cleaning solution fills lithium slurry
The liquid pump of gas actuating device/second is closed when battery and closes second liquid control valve;C, it is pressurized:Open gas actuating device and
Second gas control valve is pressurized lithium slurry inside battery;D, it cleans:Heating vibration is carried out to lithium slurry battery, to right
Lithium slurry battery is fully cleaned;(5) alternately drain and fluid injection cleaning:Repeat step (3)~(4) 1~5 time;(6) drain:
Gas actuating device, second gas control valve, the first liquid pump and the first liquid control valve are opened simultaneously, is made in lithium slurry battery
Cleaning solution is expelled to liquid withdrawal system via liquid mouth, and gas actuating device, second gas control valve, the are closed after drain
One liquid pump and the first liquid control valve;(7) fluid injection again:A, it vacuumizes:Open vacuum extractor and first gas control valve, warp
By gas nozzle to lithium slurry battery vacuum-pumping, vacuum extractor and first gas control valve are closed;B, fluid injection:Wet tank is switched
To electrolyte storage tank therein, opens the liquid pump of gas actuating device/second and open second liquid control valve, via liquid mouth to lithium
Slurry battery injects electrolyte, and the liquid pump of gas actuating device/second is closed when electrolyte fills lithium slurry battery and closes the
Two liquid control valves;C, it is pressurized:It opens gas actuating device and second gas control valve is pressurized lithium slurry inside battery;
(8) liquid is changed to terminate:Gas nozzle and liquid mouth are extracted from the gas port and liquid mouth of lithium slurry battery, seal lithium slurry battery gas port and liquid
Mouthful.Through the above steps, it may be implemented that lithium slurry battery after a period of use is carried out changing liquid.By to lithium slurry battery
It carries out changing liquid, can effectively extend battery, improve battery performance.
In addition, in lithium slurry battery the step of may include destruction SEI films during changing liquid and repair SEI films.Specifically
Ground is said, after carrying out lithium slurry battery discharge in above-mentioned steps (1), can repeatedly be filled by high-temperature process, Ultrasonic Heating, high temperature
It puts, large current density or high potential cross the methods of charge and discharge to the positive and negative pole material of lithium slurry battery and the SEI films of collection liquid surface
It is destroyed;It, can be by lithium slurry battery in the case where electrolyte storage tank further includes SEI film reaction type disrupting agent storage tanks
SEI film reaction type disrupting agents are injected to remove SEI films;It makes a return journey in addition, safeguarding that again generating apparatus can also be combined with other equipment
Except the SEI films of lithium slurry battery, such as safeguard that again generating apparatus is combined with Cryo Equipment through the side such as stand at low temperature, hot and cold alternation
Method removes SEI films.Also, wet tank is switched to therein after last time emptying cleaning solution in above-mentioned steps (5)
Stablize containing SEI films and the electrolyte storage tank of repair additive, opens the liquid pump of gas actuating device/second and open second liquid
Control valve injects the electrolyte containing SEI film stabilization and repair additive, lithium slurry battery warp via liquid mouth to lithium slurry battery
After crossing standing, chemical conversion, while gas actuating device, second gas control valve, the first liquid pump and the first liquid control valve are opened, made
Stablizing containing SEI films in lithium slurry battery and the electrolyte of repair additive are expelled to liquid withdrawal system via liquid mouth.
In addition, can weigh to lithium slurry battery during changing liquid in lithium slurry battery, to realize lithium slurry
The accurate of battery changes liquid.In particular, in above-mentioned steps (3), after lithium slurry battery drain, recorded by weighing device
The weight m of lithium slurry battery after drain3, in above-mentioned steps (7), by gas nozzle and liquid mouth from the gas port of lithium slurry battery and
After liquid mouth is extracted, the weight m of the lithium slurry battery of fluid injection is completed by weighing device record4, pass through the lithium before and after fluid injection
The difference of slurry battery weight calculates battery liquid-filling amount.
In the maintenance regeneration method of lithium slurry battery, gas injection process may include steps of:(1) it detects:When lithium is starched
When expecting that pressure is less than the lower limit of predetermined pressure range in the shell of battery, start, to lithium slurry battery gas injection, to open and safeguard regeneration
The monitoring device of equipment is monitoring the voltage and temperature of lithium slurry battery;(2) gas port docks:It will safeguard again the gas nozzle of generating apparatus
It docks and seals with the gas port of lithium slurry battery;(3) gas injection:Gas actuating device and second gas control valve are opened, gas is passed through
Mouth injects dry gas into the shell of lithium slurry battery, when detecting that gas pressure reaches predetermined pressure range in shell,
Close gas actuating device and second gas control valve;(4) gas injection terminates:Monitoring device is closed, by gas nozzle from lithium slurry battery
Gas port is extracted, and the gas port of lithium slurry battery is sealed.Predetermined pressure range can determine according to actual needs, such as can be
0.11MPa~0.8Mpa.Pressure detecting can be realized by the detection device of its own in the shell of lithium slurry battery, can also
It is realized by the way that detection device is arranged in safeguarding generating apparatus again.Single or multiple lithiums are may be provided in lithium slurry battery case
Slurry battery cell, by the way that the air pressure in lithium slurry battery case is maintained preset range so that in lithium slurry battery case
The air pressure of chamber is more than the air pressure of lithium slurry battery cell inner cavity, and its object is to make in shell inner cavity and lithium slurry battery cell
Pressure difference is formed between chamber, which contributes to the sealing between reinforcing monomer shell head cover and shell monomer lower housing.
In the maintenance regeneration method of lithium slurry battery, exhaust process may include steps of:(1) it detects:When lithium is starched
When expecting that pressure is higher than the upper limit of predetermined pressure range in the shell of battery, starts to be vented lithium slurry battery, open and safeguard regeneration
The monitoring device of equipment is monitoring the voltage and temperature of lithium slurry battery;(2) gas port docks:It will safeguard again the gas nozzle of generating apparatus
It docks and seals with the gas port of lithium slurry battery;(3) it is vented:Third gas control valve is opened to arrange gas in shell by gas nozzle
Go out to gas concentration unit, when detecting that gas pressure reaches predetermined pressure range in shell, closes third gas control valve;
(4) exhaust terminates:Monitoring device is closed, gas nozzle is extracted from lithium slurry battery gas port, seals the gas port of lithium slurry battery.It is predetermined
Pressure limit can determine, such as can be 0.11MPa~0.8Mpa according to actual needs.The shell internal pressure of lithium slurry battery
Power is detected and can be realized by the detection device of its own, can also be by the way that detection device is arranged in safeguarding generating apparatus again come real
It is existing.The gas in lithium slurry battery is discharged in gas concentration unit by third gas control valve, can effectively be prevented in this way
Only because internal pressure is excessive the generation of the unsafe conditions such as explosion occurs for lithium slurry battery.
Advantage of the invention is that:
(1) generating apparatus has fluid injection, fluid infusion, changes liquid, gas injection, exhaust, chemical conversion etc. lithium slurry battery maintenance of the invention again
Function, each function module is integrated, modularized design, is conducive to the one-stop maintenance and regeneration that carry out lithium slurry battery, and
It can neatly be made according to the demand of lithium slurry battery and targetedly safeguard and regenerate;
(2) generating apparatus can have flexible operating mode and higher automation to lithium slurry battery maintenance of the invention again
Degree.Both at lithium slurry battery applications scene maintenance regeneration can be carried out, such as lithium slurry battery can be with when on electric vehicle
In the case where not dismantling battery using safeguarding that regenerating equipment carries out maintenance regeneration, it can also will safeguard again that generating apparatus is placed on dimension
Maintenance regeneration is carried out to lithium slurry battery in shield regeneration site;
(3) lithium slurry battery maintenance regeneration device efficiency is high, occupy little space, low energy consumption, at low cost.
Description of the drawings
Fig. 1 is the lithium slurry battery maintenance schematic diagram of generating apparatus and lithium slurry battery again according to the present invention;
Fig. 2 is the structural schematic diagram according to the lithium slurry battery maintenance of first embodiment of the invention generating apparatus again;
Fig. 3 is the structural schematic diagram according to the lithium slurry battery maintenance of second embodiment of the invention generating apparatus again;
Fig. 4 is the fluid injection flow chart in the lithium slurry battery maintenance regeneration method according to the present invention;
Fig. 5 is to change effluogram in the lithium slurry battery maintenance regeneration method according to the present invention;
Fig. 6 is the gas injection flow chart in the lithium slurry battery maintenance regeneration method according to the present invention;
Fig. 7 is the exhaust flow path figure in the lithium slurry battery maintenance regeneration method according to the present invention.
Reference numerals list
1 --- safeguard generating apparatus again
101 --- positive terminal
102 --- anode connector
103 --- gas nozzle
104 --- liquid mouth
105 --- gas concentration unit
106 --- gas reservoir
107 --- liquid withdrawal system
108 --- wet tank
109 --- gas main
110 --- first gas pipeline
111 --- first gas control valve
112 --- vacuum extractor
113 --- second gas pipeline
114 --- second gas control valve
115 --- gas actuating device
116 --- third gas pipeline
117 --- third gas control valve
118 --- liquid manifold
119 --- the first liquid line
120 --- the first liquid control valve
121 --- the first liquid pump
122 --- second liquid pipeline
123 --- second liquid control valve
124 --- the second liquid pump
125 --- gas-powered pipeline
126 --- air gauge
127 --- hydralic pressure gauge
128 --- control device
2 --- lithium slurry battery
201 --- positive terminal
202 --- negative terminal
203 --- gas port
204 --- liquid mouth
Specific implementation mode
Below in conjunction with attached drawing, by embodiment, the present invention will be further described.
Fig. 1 is the lithium slurry battery maintenance schematic diagram of generating apparatus and lithium slurry battery again according to the present invention.It safeguards again
The positive terminal 101 and anode connector 102 of generating apparatus 1 can respectively with the positive terminal 201 and negative terminal of lithium slurry battery 2
202 electrical connections, to be charged and discharged to lithium slurry battery 2.The gas nozzle 103 and liquid mouth 104 for safeguarding regeneration equipment 1 can be with
Connect respectively with the gas port 203 of lithium slurry battery 2 and liquid mouth 204, to realize to lithium slurry battery include fluid injection, fluid infusion,
Change the maintenance works such as liquid, gas injection and exhaust.
Fig. 2 is the structural schematic diagram according to the lithium slurry battery maintenance of first embodiment of the invention generating apparatus again.Lithium is starched
Expect that generating apparatus includes gas nozzle 103, vacuum extractor 112, gas actuating device 115, third gas control valve to battery maintenance again
117, gas concentration unit 105, gas reservoir 106, liquid mouth 104, the first liquid pump 121, liquid withdrawal system 107 and wet tank
108.Gas nozzle 103 is connected to gas concentration unit 105 via gas main 109 and first gas pipeline 110, in first gas pipe
Road 110 is equipped with first gas control valve 111 and vacuum extractor 112;Gas nozzle 103 is via gas main 109 and second gas
Pipeline 113 is connected to gas reservoir 106, and second gas control valve 114 is equipped on second gas pipeline 113 and gas-powered fills
Set 115;Gas nozzle 103 is connected to gas concentration unit 105 via gas main 109 and third gas pipeline 116, in third gas
Pipeline 116 is equipped with third gas control valve 117.Liquid mouth 104 is connected to via liquid manifold 118 and the first liquid line 119
Liquid withdrawal system 107 is equipped with the first liquid control valve 120 and the first liquid pump 121 on the first liquid line 119;Liquid mouth 104
It is connected to wet tank 108 via liquid manifold 118 and second liquid pipeline 122, second is equipped on second liquid pipeline 122
Liquid control valve 123;Wet tank 108 is connected to gas actuating device 115 via gas-powered pipeline 125.In gas main
It is equipped with air gauge 126 in 109, hydralic pressure gauge 127 is equipped in liquid manifold 118.It can be to above-mentioned control by control device 128
Valve, vacuum extractor, gas actuating device and liquid pump are controlled.
Fig. 3 is the structural schematic diagram according to the lithium slurry battery maintenance of second embodiment of the invention generating apparatus again.This
Two embodiments are with above-mentioned first embodiment the difference is that liquid mouth 104 is via liquid manifold 118 and second liquid pipe
Road 122 is connected to wet tank 108, and the second liquid pump 124 and second liquid control valve 123 are equipped in second liquid pipeline 122.
That is, driving the liquid in wet tank 108 by the second liquid pump 124, rather than pass through 115 He of gas actuating device
Gas in gas reservoir 106 drives the liquid in wet tank 108.
Fig. 4 is the fluid injection flow chart in the lithium slurry battery maintenance regeneration method according to the present invention.First, pass through dress of weighing
Set the weight m for the lithium slurry battery for recording non-fluid injection1, will safeguard the gas nozzle 103 of generating apparatus again and liquid mouth 104 and lithium slurry battery
Gas port 203 and liquid mouth 204 dock and seal.Then, vacuum extractor 112 and first gas control valve 111 are opened, via gas
Mouth 103 is to lithium slurry battery vacuum-pumping.Vacuum extractor 112 and first gas control are closed when vacuum degree reaches -60KPa or less
Valve 111 processed opens 115/ second liquid pump 124 of gas actuating device and opens second liquid control valve 123, right via liquid mouth 104
Lithium slurry battery carries out fluid injection.Next, opening gas actuating device 115 and second gas control valve 114 to lithium slurry battery
Inside carries out supercharging and by lithium slurry battery standing.Repetition vacuumizes and the step 3 of fluid injection~5 time.It is closed after fluid injection
115/ second liquid pump 124 of gas actuating device simultaneously closes second liquid control valve 123, by gas nozzle 103 and liquid mouth 104 from lithium slurry
The gas port 203 and liquid mouth 204 of battery are extracted, and the gas port and liquid mouth of lithium slurry battery are sealed, and are completed by weighing device record
The weight m of the lithium slurry battery of fluid injection2, battery liquid-filling amount is calculated by the difference of the lithium slurry battery weight before and after fluid injection.
Fig. 5 is to change effluogram in the lithium slurry battery maintenance regeneration method according to the present invention.First, by lithium slurry electricity
Tank discharge to charged capacity is zero, by safeguard again the gas nozzle 103 of generating apparatus and liquid mouth 104 and lithium slurry battery gas port 203 and
Liquid mouth 204 is docked and is sealed, and is carried out to the positive and negative pole material of lithium slurry battery and the SEI films of collection liquid surface by Ultrasonic Heating
It destroys.Then, while gas actuating device 115, second gas control valve 114, the first liquid pump 121 and the control of the first liquid being opened
Valve 120 makes the electrolyte in lithium slurry battery be expelled to liquid withdrawal system 107 via liquid mouth 104.Gas is closed after drain
Body drive 115, second gas control valve 114, the first liquid pump 121 and the first liquid control valve 120, are remembered by weighing device
Record the weight m of the lithium slurry battery after drain3, vacuum extractor 112 and first gas control valve 111 are opened, via gas nozzle 103
To lithium slurry battery vacuum-pumping, vacuum extractor 112 and first gas control valve are closed when vacuum degree reaches -60KPa or less
111.Next, opening 115/ second liquid pump 124 of gas actuating device and opening second liquid control valve 123, via liquid mouth 104
Cleaning solution is injected to lithium slurry battery, 115/ second liquid pump of gas actuating device is closed when cleaning solution fills lithium slurry battery
124 and second liquid control valve 123 is closed, opens gas actuating device 115 and second gas control valve 114 to lithium slurry battery
Inside is pressurized, and is opened vibration heating device and is carried out heating vibration to lithium slurry battery, to be filled to lithium slurry battery
It distinguishes and washes.It repeats drain, vacuumize, cleaning step 1~5 time, the cleaning solution in lithium slurry battery is discharged later.Open gas
115/ second liquid pump 124 of driving device simultaneously opens second liquid control valve 123, contains to the injection of lithium slurry battery via liquid mouth 104
There are SEI films to stablize to lithium slurry battery drain and to vacuumize after standing, being melted into the electrolyte of repair additive.It
Afterwards, it opens 115/ second liquid pump 124 of gas actuating device and opens second liquid control valve 123, via liquid mouth 104 to lithium slurry
Battery injects electrolyte, and 115/ second liquid pump 124 of gas actuating device is closed when electrolyte fills lithium slurry battery and is closed
Second liquid control valve 123 is opened gas actuating device 115 and second gas control valve 114 and is carried out to lithium slurry inside battery
Supercharging.Finally, gas nozzle 103 and liquid mouth 104 are extracted from the gas port and liquid mouth of lithium slurry battery, sealing lithium slurry battery gas port and
The weight m of the lithium slurry battery of fluid injection is completed by weighing device record for liquid mouth4, by changing the lithium slurry battery before and after liquid
The difference of weight calculates battery liquid-filling amount.
Fig. 6 is the gas injection flow chart in the lithium slurry battery maintenance regeneration method according to the present invention.First, when lithium slurry electricity
Pond itself detects that pressure is less than the lower limit of predetermined pressure range in shell --- when such as 0.15MPa, starts to lithium slurry electricity
Pond gas injection opens and safeguards again the monitoring device of generating apparatus to monitor the voltage and temperature of lithium slurry battery in entire gas injection process
Degree will safeguard again that the gas nozzle 103 of generating apparatus is docked and sealed with the gas port 203 of lithium slurry battery.Then, gas-powered dress is opened
115 and second gas control valve 114 are set, dry gas is injected into the shell of lithium slurry battery by gas nozzle 103.In gas injection
The gas pressure in lithium slurry battery case is detected in journey.When detecting that gas pressure reaches predetermined pressure range in shell,
Gas actuating device 115 and second gas control valve 114 are closed, monitoring device is closed, by gas nozzle 103 from lithium slurry battery gas port
It extracts, seals the gas port of lithium slurry battery.
Fig. 7 is the exhaust flow path figure in the lithium slurry battery maintenance regeneration method according to the present invention.First, when lithium slurry electricity
Pond itself detects that pressure is higher than the upper limit of predetermined pressure range in shell --- when such as 0.5MPa, starts to lithium slurry battery
Exhaust opens and safeguards again the monitoring device of generating apparatus to monitor the voltage and temperature of lithium slurry battery in entire exhaust process
Degree will safeguard again that the gas nozzle 103 of generating apparatus is docked and sealed with the gas port 203 of lithium slurry battery.Next, opening third gas
Control valve 117 is so that the gas in lithium slurry battery is expelled to gas concentration unit 105 by gas nozzle 103.In exhaust process
Detect the gas pressure in lithium slurry battery case.When detecting that gas pressure reaches predetermined pressure range in shell, close
Third gas control valve 117 closes monitoring device, and gas nozzle 103 is extracted from lithium slurry battery gas port, sealing lithium slurry battery
Gas port.
The specific embodiment of the invention is not limited to the present invention.Any technical person familiar with the field is not departing from
Under technical solution of the present invention ambit, all technical solution of the present invention is made using the methods and technical content of the disclosure above
Many possible changes and modifications, or it is revised as the equivalent embodiment of equivalent variations.Therefore, every without departing from the technology of the present invention side
The content of case, any simple modifications, equivalents, and modifications made to the above embodiment according to the technical essence of the invention,
Still fall within technical solution of the present invention protection in the range of.
Claims (19)
1. a kind of maintenance of lithium slurry battery generating apparatus again, the lithium slurry battery include can with inside lithium slurry battery case
The gas port and liquid mouth of fluid communication, which is characterized in that generating apparatus includes again for the maintenance:Gas nozzle, the gas nozzle can with it is described
The gas port of lithium slurry battery connects or disconnects;Liquid mouth, the liquid mouth can be connected or disconnected with the liquid mouth of the lithium slurry battery;
Gas concentration unit, the gas concentration unit are connected to the gas nozzle by first gas pipeline and gas main;First gas
Body control valve, the first gas control valve are set on the first gas pipeline and enable in the lithium slurry battery
Gas via the gas nozzle, the gas main, the first gas pipeline enter the gas concentration unit;Gas stores up
Tank, the gas reservoir are connected to the gas nozzle by second gas pipeline and the gas main;Second gas control valve, institute
Second gas control valve is stated to be set on the second gas pipeline and enable to the gas in the gas reservoir via institute
State second gas pipeline, the gas main, the gas nozzle enter the lithium slurry battery in;Liquid withdrawal system, the liquid
Body retracting device is connected to the liquid mouth by the first liquid line and liquid manifold;First liquid control valve, first liquid
Body control valve be set on first liquid line and enable to liquid in the lithium slurry battery via the liquid mouth,
The liquid manifold, first liquid line enter the liquid withdrawal system;Wet tank, the wet tank pass through
Two liquid lines and the liquid manifold are connected to the liquid mouth;Second liquid control valve, the second liquid control valve setting
In on the second liquid pipeline and enabling to the liquid in the wet tank via the second liquid pipeline, the liquid
Body manifold, the liquid mouth enter in the lithium slurry battery.
2. the maintenance of lithium slurry battery according to claim 1 generating apparatus again, wherein the wet tank includes the first electricity
Liquid storage tank, cleaning liquid storage tank and the second electrolyte storage tank are solved, electrolyte, the cleaning are stored in first electrolyte storage tank
Electrolysis of the storage containing SEI films stabilization and repair additive in cleaning solution and second electrolyte storage tank is stored in liquid storage tank
Liquid, first electrolyte storage tank, cleaning liquid storage tank and the second electrolyte storage tank can pass through switching valve or liquid control valve
Respectively with the second liquid pipeline connection, electrolyte is the mixture of lithium salts and solvent;Cleaning solution is esters and carbonates
Derivative cleaning agent, ethers cleaning agent or ketone cleaning agent;SEI films are stablized and repair additive is one kind in following additive
Or it several is used cooperatively:Sulfinyl additive, sulfonic acid esters additive, vinylene carbonate, methyl phenyl ethers anisole or its halogenated derivative
Object, halogenated organic matters and inorganic additive, the inorganic additive are sulfur dioxide, carbon dioxide or lithium carbonate;
Wherein, dry gas is stored in the gas reservoir, the dry gas is nitrogen, air, inert gas and hexafluoro
Change the mixing of one or more of sulphur, water content≤0.1ppm of the dry gas.
3. the maintenance of lithium slurry battery according to claim 1 generating apparatus again, wherein generating apparatus further includes again for the maintenance
Vacuum extractor, the vacuum extractor are set to the first gas pipeline and can be via the gas nozzles to the lithium slurry
Battery vacuum-pumping;Generating apparatus further includes the first liquid pump again for the maintenance, and first liquid pump is set to first liquid line
And the liquid in the lithium slurry battery can be extracted via the liquid mouth.
4. the maintenance of lithium slurry battery according to claim 3 generating apparatus again, wherein generating apparatus further includes again for the maintenance
Gas actuating device, the gas actuating device are set to the second gas pipeline and via gas-powered piping connection in institute
Wet tank is stated, the gas actuating device can drive the gas in the gas reservoir to be starched via the gas nozzle and the lithium
The gas port of material battery enters the lithium slurry battery and the gas in the gas reservoir can be driven to be stored up into the liquid
Tank simultaneously and then drives the liquid in the wet tank to enter the lithium via the liquid mouth of the liquid mouth and the lithium slurry battery
Slurry battery.
5. the maintenance of lithium slurry battery according to claim 3 generating apparatus again, wherein generating apparatus further includes again for the maintenance
Gas actuating device, the gas actuating device are set to the second gas pipeline, and the gas actuating device can drive
Gas in the gas reservoir enters the lithium slurry battery via the gas port of the gas nozzle and the lithium slurry battery;It is described
Safeguard that again generating apparatus further includes the second liquid pump, second liquid pump is set to the second liquid pipeline, the second liquid pump energy
The liquid in the wet tank is enough driven to enter lithium slurry electricity via the liquid mouth of the liquid mouth and the lithium slurry battery
Pond.
6. the maintenance of lithium slurry battery according to claim 1 generating apparatus again, wherein generating apparatus further includes again for the maintenance
The gas nozzle is connected to the gas concentration unit by third gas pipeline, the third gas pipeline and the gas main,
Third gas control valve is equipped on the third gas pipeline, when the air pressure in the lithium slurry battery is more than preset air pressure
When, gas in the lithium slurry battery can be via the gas nozzle, the gas main, the third gas pipeline and described
Third gas control valve enters the gas concentration unit.
7. the maintenance of lithium slurry battery according to claim 1 generating apparatus again, wherein be equipped with gas in the gas main
Table is pressed, to detect the air pressure in the gas main;Hydralic pressure gauge is equipped in the liquid manifold, to detect the liquid
Hydraulic pressure in manifold.
8. the maintenance of lithium slurry battery according to claim 1 generating apparatus again, wherein generating apparatus includes shaking again for the maintenance
Dynamic heating device can carry out vibration heating by the vibration heating device to the lithium slurry battery.
9. the maintenance of lithium slurry battery according to claim 1 generating apparatus again, wherein generating apparatus includes changing again for the maintenance
At device, the positive terminal and anode connector of the formation device can respectively with the positive terminal of the lithium slurry battery and negative
Extreme son is electrically connected and can be charged and discharged to the lithium slurry battery.
10. the maintenance of lithium slurry battery according to claim 1 generating apparatus again, wherein generating apparatus includes again for the maintenance
Monitoring device, to monitor the voltage and temperature of the lithium slurry battery in regenerative process in safeguarding for lithium slurry battery.
11. the maintenance of lithium slurry battery according to any one of claim 1 to 10 generating apparatus again, wherein the maintenance
Generating apparatus includes control device again, can be controlled by the control device and safeguard the gas control valve of generating apparatus, liquid control again
Valve processed, switching valve, vacuum extractor, gas actuating device, liquid pump, vibration heating device, formation device and monitoring device are opened
It opens and closes.
12. a kind of maintenance regeneration method of lithium slurry battery, which is characterized in that described in any one of claim 1 to 11
Lithium slurry battery maintenance again generating apparatus to equipped with gas port and liquid mouth lithium slurry battery carry out fluid injection, fluid infusion, change liquid, gas injection
Or exhaust.
13. the maintenance regeneration method of lithium slurry battery according to claim 12, wherein in injection process include as follows
Step:
(1) gas-liquid mouth docks:By the maintenance again the gas nozzle of generating apparatus and liquid mouth respectively with the gas port of the lithium slurry battery and
Liquid mouth is docked and is sealed;
(2) it vacuumizes:The vacuum extractor and the first gas control valve are opened, via the gas nozzle to the lithium slurry
Battery vacuum-pumping closes the vacuum extractor and the first gas control valve;
(3) fluid injection:It opens the gas actuating device/second liquid pump and opens the second liquid control valve, via institute
It states liquid mouth and fluid injection is carried out to the lithium slurry battery, the gas-powered dress is closed when electrolyte fills the lithium slurry battery
Set/second liquid pump and close the second liquid control valve;
(4) alternating vacuum pumping liquid injection:Repeat step (2)~(3) 3~5 times;
(5) fluid injection terminates:The gas nozzle and the liquid mouth are extracted from the gas port and liquid mouth of the lithium slurry battery, described in sealing
The gas port and liquid mouth of lithium slurry battery.
14. the maintenance regeneration method of lithium slurry battery according to claim 13, wherein in the step (3), in electricity
After solution liquid fills the lithium slurry battery, opens the gas actuating device and the second gas control valve starches the lithium
Material inside battery carries out supercharging and by the lithium slurry battery standing.
15. the maintenance regeneration method of lithium slurry battery according to claim 12, wherein including as follows during fluid infusion
Step:
(1) gas-liquid mouth docks:By the maintenance again the gas nozzle of generating apparatus and liquid mouth respectively with the gas port of the lithium slurry battery and
Liquid mouth is docked and is sealed, and opens the monitoring device for safeguarding again generating apparatus to monitor the voltage and temperature of the lithium slurry battery
Degree;
(2) it vacuumizes:The vacuum extractor and the first gas control valve are opened, via the gas nozzle to the lithium slurry
Battery vacuum-pumping closes the vacuum extractor and the first gas control valve;
(3) fluid injection:It opens the gas actuating device/second liquid pump and opens the second liquid control valve, via institute
It states liquid mouth and fluid injection is carried out to the lithium slurry battery, the gas-powered dress is closed when electrolyte fills the lithium slurry battery
Set/second liquid pump and close the second liquid control valve;
(4) alternating vacuum pumping liquid injection:Repeat step (2)~(3) 3~5 times;
(5) fluid injection terminates:Close the monitoring device, by the gas nozzle and the liquid mouth from the gas port of the lithium slurry battery and
Liquid mouth is extracted, and the gas port and liquid mouth of the lithium slurry battery are sealed.
16. the maintenance regeneration method of lithium slurry battery according to claim 12, wherein including as follows during changing liquid
Step:
(1) it discharges:It is zero by the lithium slurry battery discharge to charged capacity;
(2) gas-liquid mouth docks:By the maintenance again the gas nozzle of generating apparatus and liquid mouth respectively with the gas port of the lithium slurry battery and
Liquid mouth is docked and is sealed;
(3) drain:The gas actuating device, the second gas control valve, first liquid pump and described the are opened simultaneously
One liquid control valve makes the electrolyte in the lithium slurry battery be expelled to the liquid withdrawal system via the liquid mouth, row
The gas actuating device, the second gas control valve, first liquid pump and the first liquid control are closed after liquid
Valve processed;
(4) fluid injection is cleaned:A, it vacuumizes:The vacuum extractor and the first gas control valve are opened, via the gas nozzle
To the lithium slurry battery vacuum-pumping, the vacuum extractor and the first gas control valve are closed;B, cleaning solution is noted:It opens
The gas actuating device/second liquid pump simultaneously opens the second liquid control valve, is starched the lithium via the liquid mouth
Expect that battery injects cleaning solution, the gas actuating device/second liquid is closed when cleaning solution fills the lithium slurry battery
It pumps and closes the second liquid control valve;C, it is pressurized:Open the gas actuating device and the second gas control valve pair
The lithium slurry inside battery is pressurized;D, it cleans:Heating vibration is carried out to the lithium slurry battery, to starch the lithium
Material battery is fully cleaned;
(5) alternately drain and fluid injection cleaning:Repeat step (3)~(4) 1~5 time;
(6) drain:The gas actuating device, the second gas control valve, first liquid pump and described the are opened simultaneously
One liquid control valve makes the cleaning solution in the lithium slurry battery be expelled to the liquid withdrawal system via the liquid mouth, row
The gas actuating device, the second gas control valve, first liquid pump and the first liquid control are closed after liquid
Valve processed;
(7) fluid injection again:A, it vacuumizes:The vacuum extractor and the first gas control valve are opened, via the gas nozzle
To the lithium slurry battery vacuum-pumping, the vacuum extractor and the first gas control valve are closed;B, fluid injection:Described in unlatching
Gas actuating device/second liquid pump simultaneously opens the second liquid control valve, via the liquid mouth to lithium slurry electricity
Electrolyte is injected in pond, and the gas actuating device/second liquid pump is closed when electrolyte fills the lithium slurry battery simultaneously
Close the second liquid control valve;C, it is pressurized:The gas actuating device and the second gas control valve are opened to described
Lithium slurry inside battery is pressurized;
(8) liquid is changed to terminate:The gas nozzle and the liquid mouth are extracted from the gas port and liquid mouth of the lithium slurry battery, described in sealing
Lithium slurry battery gas port and liquid mouth.
17. the maintenance regeneration method of lithium slurry battery according to claim 16, wherein carried out in the step (1)
After lithium slurry battery discharge, by high-temperature process, Ultrasonic Heating, high temperature, charge and discharge, large current density or high potential overcharge repeatedly
The method put destroys the positive and negative pole material of the lithium slurry battery and the SEI films of collection liquid surface;Also, in the step
Suddenly it opens the gas actuating device/second liquid pump after last time emptying cleaning solution in (5) and opens described second
Liquid control valve injects the electrolyte containing SEI film stabilization and repair additive via the liquid mouth to the lithium slurry battery,
The lithium slurry battery opens the gas actuating device, the second gas control valve, institute after standing, being melted into
The first liquid pump and first liquid control valve are stated, makes to contain SEI films stabilization and repair additive in the lithium slurry battery
Electrolyte be expelled to the liquid withdrawal system via the liquid mouth.
18. the maintenance regeneration method of lithium slurry battery according to claim 12, wherein in gas injection process include as follows
Step:
(1) it detects:When pressure is less than predetermined pressure range in the shell of the lithium slurry battery, start to lithium slurry electricity
Pond gas injection opens the monitoring device for safeguarding again generating apparatus to monitor the voltage and temperature of the lithium slurry battery;
(2) gas port docks:By the maintenance, the gas nozzle of generating apparatus is docked and is sealed with the gas port of the lithium slurry battery again;
(3) gas injection:The gas actuating device and the second gas control valve are opened, by the gas nozzle to the lithium slurry
Dry gas is injected in the shell of battery, when detecting that gas pressure reaches the predetermined pressure range in shell, closes institute
State gas actuating device and the second gas control valve;
(4) gas injection terminates:The monitoring device is closed, the gas nozzle is extracted from lithium slurry battery gas port, seals the lithium slurry
Expect the gas port of battery.
19. the maintenance regeneration method of lithium slurry battery according to claim 12, wherein in exhaust process include as follows
Step:
(1) it detects:When pressure is higher than predetermined pressure range in the shell of the lithium slurry battery, start to lithium slurry electricity
Pond is vented, and opens the monitoring device for safeguarding again generating apparatus to monitor the voltage and temperature of the lithium slurry battery;
(2) gas port docks:By the maintenance, the gas nozzle of generating apparatus is docked and is sealed with the gas port of the lithium slurry battery again;
(3) it is vented:The third gas control valve is opened to arrange gas in the shell of the lithium slurry battery by the gas nozzle
Go out to the gas concentration unit, when detecting that gas pressure reaches the predetermined pressure range in shell, closes described the
Three gas control valves;
(4) exhaust terminates:The monitoring device is closed, the gas nozzle is extracted from lithium slurry battery gas port, seals the lithium slurry
Expect the gas port of battery.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224927.7A CN108695485B (en) | 2017-04-07 | 2017-04-07 | Maintenance regeneration equipment and method for lithium slurry battery |
| PCT/CN2018/081917 WO2018184566A1 (en) | 2017-04-07 | 2018-04-04 | Lithium slurry battery system |
| US16/496,584 US11233276B2 (en) | 2017-04-07 | 2018-04-04 | Lithium slurry battery system |
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|---|---|---|---|
| CN201710224927.7A CN108695485B (en) | 2017-04-07 | 2017-04-07 | Maintenance regeneration equipment and method for lithium slurry battery |
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| CN108695485B CN108695485B (en) | 2020-02-07 |
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