CN104882610A - Li-Ni-Mn-O lithium ion battery pole piece and battery - Google Patents
Li-Ni-Mn-O lithium ion battery pole piece and battery Download PDFInfo
- Publication number
- CN104882610A CN104882610A CN201410069176.2A CN201410069176A CN104882610A CN 104882610 A CN104882610 A CN 104882610A CN 201410069176 A CN201410069176 A CN 201410069176A CN 104882610 A CN104882610 A CN 104882610A
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- China
- Prior art keywords
- pole piece
- lithium
- ion battery
- lithium ion
- manganese
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Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 103
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 25
- 229910006703 Li—Ni—Mn—O Inorganic materials 0.000 title abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 24
- 229910001512 metal fluoride Inorganic materials 0.000 claims abstract description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 16
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- HLVYJPIRLJGENQ-UHFFFAOYSA-N [Li].[O].[Mn].[Ni].[Li] Chemical compound [Li].[O].[Mn].[Ni].[Li] HLVYJPIRLJGENQ-UHFFFAOYSA-N 0.000 claims description 77
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 36
- 239000007767 bonding agent Substances 0.000 claims description 26
- 239000006258 conductive agent Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 21
- -1 calcirm-fluoride Chemical compound 0.000 claims description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 239000006230 acetylene black Substances 0.000 claims description 14
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 239000002041 carbon nanotube Substances 0.000 claims description 7
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 6
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims description 4
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 4
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 4
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 4
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 claims description 4
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 4
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 4
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
- QWJYDTCSUDMGSU-UHFFFAOYSA-N [Sn].[C] Chemical compound [Sn].[C] QWJYDTCSUDMGSU-UHFFFAOYSA-N 0.000 claims description 3
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims description 3
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 3
- 229910000464 lead oxide Inorganic materials 0.000 claims description 3
- YAFKGUAJYKXPDI-UHFFFAOYSA-J lead tetrafluoride Chemical compound F[Pb](F)(F)F YAFKGUAJYKXPDI-UHFFFAOYSA-J 0.000 claims description 3
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 239000000661 sodium alginate Substances 0.000 claims description 3
- 229940005550 sodium alginate Drugs 0.000 claims description 3
- FVRNDBHWWSPNOM-UHFFFAOYSA-L strontium fluoride Chemical compound [F-].[F-].[Sr+2] FVRNDBHWWSPNOM-UHFFFAOYSA-L 0.000 claims description 3
- 229910001637 strontium fluoride Inorganic materials 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract description 34
- 239000003792 electrolyte Substances 0.000 abstract description 30
- 239000012528 membrane Substances 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 8
- 239000007784 solid electrolyte Substances 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract description 4
- 239000010405 anode material Substances 0.000 abstract description 3
- 239000010406 cathode material Substances 0.000 abstract description 3
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000009830 intercalation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 18
- 238000000576 coating method Methods 0.000 description 18
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 18
- 238000001035 drying Methods 0.000 description 18
- 238000002156 mixing Methods 0.000 description 18
- 239000002002 slurry Substances 0.000 description 18
- 239000002904 solvent Substances 0.000 description 18
- 238000003756 stirring Methods 0.000 description 18
- 238000007599 discharging Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 229910013872 LiPF Inorganic materials 0.000 description 9
- 101150058243 Lipf gene Proteins 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 9
- 238000011049 filling Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000012946 outsourcing Methods 0.000 description 9
- 239000002985 plastic film Substances 0.000 description 9
- 229920006255 plastic film Polymers 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 6
- 229910013870 LiPF 6 Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009831 deintercalation Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 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 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000002134 carbon nanofiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910002099 LiNi0.5Mn1.5O4 Inorganic materials 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a Li-Ni-Mn-O lithium ion battery pole piece and a battery. The battery pole piece includes an anode pole piece and a cathode pole piece. The anode pole piece is provided with a first solid substance and the cathode pole piece is provided with a second solid substance. The first solid substance on the anode pole piece and/or the second solid substance on the cathode pole piece includes one or more of metal oxides and/or metal fluorides which are slightly soluble or indisslovable in water. The metal oxides on the battery pole piece can reduce the amount of hydrofluoric acid in an electrolyte. The metal fluorides on the battery pole piece can inhibit the increase of the hydrofluoric acid amount in the electrolyte, further the stability of the electrolyte is enhanced, the dissolution of the hydrofluoric acid in the electrolyte to Li-Ni-Mn-O anode materials, relieve the deposition of the anode materials on cathode materials, alleviate the blockage in a Li+ de-intercalation channel, and relieve damage of the hydrofluoric acid to a solid electrolyte membrane on surface of the cathode materials.
Description
Technical field
The invention belongs to technical field of lithium ion, be specifically related to a kind of lithium-nickel-manganese-oxygen-lithium ion battery pole piece and battery.
Background technology
Lithium ion battery due to advantages such as its energy density is high, operating voltage is high, good cycle, and is widely used in the fields such as mobile phone, notebook computer, electric automobile.Along with lithium ion battery applications field expands, higher requirement be it is also proposed to anode material for lithium-ion batteries, as higher energy density, cheap price, excellent cycle life, higher high rate performance etc.Spinelle Li-Ni-Mn-O (LiNi
0.5mn
1.5o
4) positive electrode has the platform, the theoretical specific capacity that mainly there is 4.7V and can reach 146.7mAh/g, and the advantage such as cheap, nontoxic pollution-free, be hopeful the positive electrode as electrokinetic cell of new generation.
The widely used electrolyte of electrolyte of current lithium ion battery is lithium hexafluoro phosphate (LiPF
6), lithium hexafluoro phosphate is also unstable, and meeting water can react: LiPF
6+ H
2o → POF
3+ 2HF+LiF; POF
3+ H
2o → PO
2f
2 -+ HF; PO
2f
2 -+ H
2o → PO
3f
2-+ HF; PO
3f
2-+ H
2o → PO
4 3-+ HF; And LiPF
6at high temperature also decomposition reaction can be there is: LiPF
6→ LiF+PF
5, PF
5chance water reacts: PF
5+ H
2o → PO
3f+2HF.The HF produced in above-mentioned course of reaction can dissolve Li-Ni-Mn-O positive electrode by burn into, and makes Li-Ni-Mn-O positive electrode be deposited on negative terminal surface, plugs Li
+deintercalation passage.Negative material graphite can generate solid electrolyte film (SEI film) by interfacial reaction on the interface of electrolyte, and its composition mainly contains various inorganic constituents (as Li
2cO
3, LiF, Li
2o, LiOH etc.) and various organic principle (as ROCO
2li, ROLi, (ROCO
2li)
2deng), HF can react with some compositions wherein, thus destroys SEI film, causes battery performance to decay suddenly.
Summary of the invention
Technical problem to be solved by this invention is for above shortcomings in prior art, a kind of lithium-nickel-manganese-oxygen-lithium ion battery pole piece and battery are provided, battery pole piece there is metal oxide, its can in and battery in electrolyte in hydrofluoric acid, the increase of the amount of the hydrofluoric acid in electrolyte battery pole piece also having metal fluoride can suppress in battery, thus enhance the stability of electrolyte.
The technical scheme that solution the technology of the present invention problem adopts is to provide a kind of lithium-nickel-manganese-oxygen-lithium ion battery pole piece, comprise anode pole piece and cathode pole piece, described anode pole piece there is the first solid matter, described cathode pole piece there is the second solid matter, the first solid matter on described anode pole piece and/or the second solid matter on described cathode pole piece comprise one or more in metal oxide and/or metal fluoride, described metal oxide, described metal fluoride slightly soluble or be insoluble in water.
In terms of existing technologies, in battery pole piece, add the impedance that metal oxide or metal fluoride do not increase positive electrode or negative material surface.
Preferably, the described metal oxide in the first solid matter on described anode pole piece and/or the quality of described metal fluoride and account for 0.2 ~ 3% of the first solid matter mass on described anode pole piece.
Preferably, the described metal oxide in the second solid matter on described cathode pole piece and/or the quality of described metal fluoride and account for 0.2 ~ 3% of the second solid matter mass on described cathode pole piece.
Preferably, described metal oxide is one or more in aluminium oxide, barium monoxide, calcium oxide, magnesium oxide, lead oxide, strontium oxide strontia.
Preferably, described metal fluoride is one or more in lithium fluoride, aluminum fluoride, barium fluoride, calcirm-fluoride, magnesium fluoride, lead fluoride, strontium fluoride.
Preferably, the first solid matter on described anode pole piece also comprises positive electrode, positive conductive agent, positive pole bonding agent,
The second solid matter on described cathode pole piece also comprises negative material, cathode conductive agent, negative pole bonding agent.
Preferably, described positive conductive agent comprises one or more in acetylene black, Ks-6, ECP, gas-phase growth of carbon fibre (VGCF), carbon nano-tube;
Described positive pole bonding agent comprises Kynoar and/or polytetrafluoroethylene;
Described cathode conductive agent comprises one or more in acetylene black, Ks-6, ECP, gas-phase growth of carbon fibre (VGCF), carbon nano-tube, carbon black;
Described negative pole bonding agent comprises one or more in LA133, LA132, sodium alginate, polyacrylic acid, sodium carboxymethylcellulose (CMC) and butadiene-styrene rubber (SBR).
The present invention also provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, comprises above-mentioned lithium-nickel-manganese-oxygen-lithium ion battery pole piece.
Preferably, the negative material of described lithium-nickel-manganese-oxygen-lithium ion battery is any one in graphite, silicon-carbon, tin carbon, lithium titanate.
Metal oxide on lithium-nickel-manganese-oxygen-lithium ion battery pole piece in the present invention can in and battery in electrolyte in hydrofluoric acid, metal fluoride on battery pole piece can suppress the increase of the amount of the hydrofluoric acid in electrolyte, further enhancing the stability of electrolyte, thus hydrofluoric acid in alleviation electrolyte is for the dissolving of Li-Ni-Mn-O positive electrode, and alleviate the deposition of Li-Ni-Mn-O positive electrode on negative material further, alleviate for Li
+the blocking of deintercalation passage, alleviate the destruction of hydrofluoric acid for the solid electrolyte film on negative material surface simultaneously, improve the chemical property of lithium-nickel-manganese-oxygen-lithium ion battery, the cycle performance of battery, high rate performance, electric conductivity are excellent.And lithium-nickel-manganese-oxygen-lithium ion battery pole piece preparation technology in the present invention is simple, is easy to suitability for industrialized production.In terms of existing technologies, in battery pole piece, add the impedance that metal oxide or metal fluoride do not increase positive electrode or negative material surface.
Accompanying drawing explanation
The discharge cycles performance curve of the lithium-nickel-manganese-oxygen-lithium ion battery of Fig. 1 prepared by comparative example of the present invention;
The discharge cycles performance curve of the lithium-nickel-manganese-oxygen-lithium ion battery of Fig. 2 prepared by the embodiment of the present invention 1.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Comparative example
This comparative example provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: Li-Ni-Mn-O positive electrode, positive conductive agent acetylene black, positive pole bonding agent Kynoar are carried out batch mixing according to the ratio that mass ratio is 93:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: negative material graphite, cathode conductive agent acetylene black, negative pole bonding agent LA132 are carried out batch mixing according to the ratio that mass ratio is 93.5:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
As shown in Figure 1, lithium-nickel-manganese-oxygen-lithium ion battery cycle performance is tested: charging/discharging voltage scope is 4.9V ~ 3.5V, and charging and discharging currents is that 0.5C(1C is battery design capacity), discharge capacity is 906mAh first, the discharge capacity after 100 times that circulates is 801.3mAh, and capability retention is 88.4%.
Embodiment 1
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: Li-Ni-Mn-O positive electrode, aluminum fluoride, positive conductive agent acetylene black, positive pole bonding agent Kynoar are carried out batch mixing according to the ratio that mass ratio is 93:0.5:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: negative material graphite, cathode conductive agent acetylene black, negative pole bonding agent LA132 are carried out batch mixing according to the ratio that mass ratio is 93.5:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
As shown in Figure 2, lithium-nickel-manganese-oxygen-lithium ion battery cycle performance is tested: charging/discharging voltage scope is 4.9V ~ 3.5V, charging and discharging currents is that 0.5C(1C is battery design capacity), discharge capacity is 908.2mAh first, the discharge capacity after 100 times that circulates is 861.4mAh, and capability retention is 94.8%.Compared with comparative example 1, the cycle performance of the battery in the present embodiment is better.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Aluminum fluoride on lithium-nickel-manganese-oxygen-lithium ion battery pole piece in the present embodiment can suppress the increase of the amount of the hydrofluoric acid in electrolyte, further enhancing the stability of electrolyte, thus hydrofluoric acid in alleviation electrolyte is for the dissolving of Li-Ni-Mn-O positive electrode, and alleviate the upper deposition of Li-Ni-Mn-O positive electrode at negative material further, alleviate for Li
+the blocking of deintercalation passage, alleviate the destruction of hydrofluoric acid for the solid electrolyte film on negative material surface simultaneously, improve the chemical property of lithium-nickel-manganese-oxygen-lithium ion battery, the cycle performance of battery, high rate performance, electric conductivity are excellent.And lithium-nickel-manganese-oxygen-lithium ion battery pole piece preparation technology in the present invention is simple, is easy to suitability for industrialized production.
Embodiment 2
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: the mixture (wherein the mass ratio of magnesium oxide and magnesium fluoride is 1:2) of Li-Ni-Mn-O positive electrode, magnesium oxide and magnesium fluoride, positive conductive agent acetylene black, positive pole bonding agent polytetrafluoroethylene are carried out batch mixing according to the ratio that mass ratio is 93:0.5:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: negative material graphite, aluminium oxide, cathode conductive agent acetylene black, negative pole bonding agent LA132 are carried out batch mixing according to the ratio that mass ratio is 93.5:0.2:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
Lithium-nickel-manganese-oxygen-lithium ion battery cycle performance is tested: charging/discharging voltage scope is 4.9V ~ 3.5V, charging and discharging currents is that 0.5C(1C is battery design capacity), as shown in Figure 2, discharge capacity is 910.6mAh first, the discharge capacity after 100 times that circulates is 842.3mAh, capability retention is 92.5%, good cycling stability.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Magnesium oxide on lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece in the present embodiment and the aluminium oxide on cathode pole piece can in and hydrofluoric acid in electrolyte in battery, magnesium fluoride on anode pole piece can suppress the increase of the amount of the hydrofluoric acid in the electrolyte in battery, further enhancing the stability of electrolyte, thus hydrofluoric acid in alleviation electrolyte is for the dissolving of Li-Ni-Mn-O positive electrode, and alleviate the upper deposition of Li-Ni-Mn-O positive electrode at negative material further, alleviate for Li
+the blocking of deintercalation passage, alleviate the destruction of hydrofluoric acid for the solid electrolyte film on negative material surface simultaneously, improve the chemical property of lithium-nickel-manganese-oxygen-lithium ion battery, the cycle performance of battery, high rate performance, electric conductivity are excellent.And lithium-nickel-manganese-oxygen-lithium ion battery pole piece preparation technology in the present invention is simple, is easy to suitability for industrialized production.
Embodiment 3
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: Li-Ni-Mn-O positive electrode, positive conductive agent Ks-6, positive pole bonding agent Kynoar are carried out batch mixing according to the ratio that mass ratio is 93:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: the mixture (wherein the mass ratio of barium monoxide and calcium oxide is 1:1) of negative material graphite, barium monoxide and calcium oxide, cathode conductive agent Ks-6, negative pole bonding agent sodium alginate are carried out batch mixing according to the ratio that mass ratio is 93.5:0.7:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
Lithium-nickel-manganese-oxygen-lithium ion battery cycle performance is tested: charging/discharging voltage scope is 4.9V ~ 3.5V, charging and discharging currents is that 0.5C(1C is battery design capacity), as shown in Figure 2, discharge capacity is 902.6mAh first, the discharge capacity after 100 times that circulates is 822.3mAh, capability retention is 91.1%, good cycling stability.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Embodiment 4
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: the mixture (mass ratio of Kynoar and polytetrafluoroethylene is 1:2) of Li-Ni-Mn-O positive electrode, aluminium oxide, positive conductive agent ECP, positive pole bonding agent Kynoar and polytetrafluoroethylene is carried out batch mixing according to the ratio that mass ratio is 93:0.8:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: negative material graphite, lead oxide, cathode conductive agent ECP, negative pole bonding agent polyacrylic acid are carried out batch mixing according to the ratio that mass ratio is 93.5:0.2:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
Lithium-nickel-manganese-oxygen-lithium ion battery cycle performance is tested: charging/discharging voltage scope is 4.9V ~ 3.5V, charging and discharging currents is 0.5C (1C is battery design capacity), discharge capacity is 897.2mAh first, the discharge capacity after 100 times that circulates is 836.2mAh, capability retention is 93.2%, good cycling stability.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Embodiment 5
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: Li-Ni-Mn-O positive electrode, lithium fluoride, positive conductive agent gas-phase growth of carbon fibre, positive pole bonding agent polytetrafluoroethylene are carried out batch mixing according to the ratio that mass ratio is 93:3:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: the mixture (mass ratio of sodium carboxymethylcellulose and butadiene-styrene rubber is 2:1) of negative material graphite, cathode conductive agent gas-phase growth of carbon fibre, negative pole bonding agent sodium carboxymethylcellulose and butadiene-styrene rubber is carried out batch mixing according to the ratio that mass ratio is 93.5:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
Lithium-nickel-manganese-oxygen-lithium ion battery cycle performance is tested: charging/discharging voltage scope is 4.9V ~ 3.5V, charging and discharging currents is that 0.5C(1C is battery design capacity), discharge capacity is 885.6mAh first, and the discharge capacity after 100 times that circulates is 828.9mAh, and capability retention is 93.6%.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Embodiment 6
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: Li-Ni-Mn-O positive electrode, strontium oxide strontia, positive conductive agent carbon nano-tube, positive pole bonding agent Kynoar are carried out batch mixing according to the ratio that mass ratio is 93:0.2:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: silicon-carbon cathode material, barium fluoride, cathode conductive agent carbon nano-tube, negative pole bonding agent LA133 are carried out batch mixing according to the ratio that mass ratio is 93.5:3:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Embodiment 7
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: the mixture (mass ratio 2:3) of Li-Ni-Mn-O positive electrode, strontium fluoride and magnesium fluoride, positive conductive agent acetylene black, positive pole bonding agent Kynoar are carried out batch mixing according to the ratio that mass ratio is 93:1:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: the mixture of tin carbon negative pole material, magnesium oxide, cathode conductive agent acetylene black and carbon nano-tube, negative pole bonding agent LA132 are carried out batch mixing according to the ratio that mass ratio is 93.5:2:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Embodiment 8
The present embodiment provides a kind of preparation method of lithium-nickel-manganese-oxygen-lithium ion battery, comprises the following steps:
(1) anode pole piece makes: Li-Ni-Mn-O positive electrode, lead fluoride, positive conductive agent acetylene black, positive pole bonding agent Kynoar are carried out batch mixing according to the ratio that mass ratio is 93:1.5:3:4, do stirring solvent with 1-Methyl-2-Pyrrolidone and be modulated into slurry, make anode slice of lithium ion battery through coating, drying, roll-in, cut-parts.
(2) cathode pole piece makes: lithium titanate of negative pole material, cathode conductive agent acetylene black, negative pole bonding agent LA133 are carried out batch mixing according to the ratio that mass ratio is 93.5:1.5:5, do stirring solvent with distilled water and be modulated into slurry, make lithium ion battery negative electrode through coating, drying, roll-in, cut-parts.
(3) adopt above-mentioned anode pole piece, cathode pole piece, celgard2400 membrane coil to be coiled into battery, outsourcing aluminum plastic film, carry out closedtop, side seal.Electrolyte is the LiPF of 1.2mol/L
6eC(ethyl carbonate ester)+DMC(dimethyl carbonate) (volume ratio 1:1) solution, in the glove box being full of argon gas atmosphere, carry out fluid injection.Carry out preliminary filling again, change into after obtain lithium-nickel-manganese-oxygen-lithium ion battery product.The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery anode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery cathode pole piece, is prepared by said method.
The present embodiment provides a kind of lithium-nickel-manganese-oxygen-lithium ion battery, is prepared by said method.
Be understandable that, the illustrative embodiments that above execution mode is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (9)
1. a lithium-nickel-manganese-oxygen-lithium ion battery pole piece, comprise anode pole piece and cathode pole piece, described anode pole piece there is the first solid matter, described cathode pole piece there is the second solid matter, it is characterized in that, the first solid matter on described anode pole piece and/or the second solid matter on described cathode pole piece comprise one or more in metal oxide and/or metal fluoride, described metal oxide, described metal fluoride slightly soluble or be insoluble in water.
2. lithium-nickel-manganese-oxygen-lithium ion battery pole piece according to claim 1, it is characterized in that, the described metal oxide in the first solid matter on described anode pole piece and/or the quality of described metal fluoride and account for 0.2 ~ 3% of the first solid matter mass on described anode pole piece.
3. lithium-nickel-manganese-oxygen-lithium ion battery pole piece according to claim 1, it is characterized in that, the described metal oxide in the second solid matter on described cathode pole piece and/or the quality of described metal fluoride and account for 0.2 ~ 3% of the second solid matter mass on described cathode pole piece.
4. lithium-nickel-manganese-oxygen-lithium ion battery pole piece according to claim 1, is characterized in that, described metal oxide is one or more in aluminium oxide, barium monoxide, calcium oxide, magnesium oxide, lead oxide, strontium oxide strontia.
5. lithium-nickel-manganese-oxygen-lithium ion battery pole piece according to claim 1, is characterized in that, described metal fluoride is one or more in lithium fluoride, aluminum fluoride, barium fluoride, calcirm-fluoride, magnesium fluoride, lead fluoride, strontium fluoride.
6. lithium-nickel-manganese-oxygen-lithium ion battery pole piece according to claim 1, is characterized in that, the first solid matter on described anode pole piece also comprises positive electrode, positive conductive agent, positive pole bonding agent,
The second solid matter on described cathode pole piece also comprises negative material, cathode conductive agent, negative pole bonding agent.
7. lithium-nickel-manganese-oxygen-lithium ion battery pole piece according to claim 1, is characterized in that, described positive conductive agent comprises one or more in acetylene black, Ks-6, ECP, gas-phase growth of carbon fibre, carbon nano-tube;
Described positive pole bonding agent comprises Kynoar and/or polytetrafluoroethylene;
Described cathode conductive agent comprises one or more in acetylene black, Ks-6, ECP, gas-phase growth of carbon fibre, carbon nano-tube, carbon black;
Described negative pole bonding agent comprises one or more in LA133, LA132, sodium alginate, polyacrylic acid, sodium carboxymethylcellulose and butadiene-styrene rubber.
8. a lithium-nickel-manganese-oxygen-lithium ion battery, is characterized in that, comprises the lithium-nickel-manganese-oxygen-lithium ion battery pole piece described in claim 1 ~ 7 any one.
9. lithium-nickel-manganese-oxygen-lithium ion battery according to claim 8, is characterized in that, the negative material of this battery is any one in graphite, silicon-carbon, tin carbon, lithium titanate.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524671A (en) * | 2018-11-16 | 2019-03-26 | 河南科隆新能源股份有限公司 | A kind of nickelic composite oxide particle powder of mixed aid class and preparation method thereof |
| CN109742403A (en) * | 2019-01-16 | 2019-05-10 | 欣旺达电子股份有限公司 | Capture the slurry preparation method and lithium ion battery of hydrofluoric acid |
| CN110957492A (en) * | 2018-09-26 | 2020-04-03 | 中国科学院宁波材料技术与工程研究所 | Lithium metal interface protection, preparation method thereof and battery containing lithium metal interface protection |
| CN110970668A (en) * | 2019-12-23 | 2020-04-07 | 中国科学院过程工程研究所 | All-solid-state battery composite structure, preparation method and application thereof |
| WO2022156706A1 (en) * | 2021-01-21 | 2022-07-28 | 宁德新能源科技有限公司 | Positive electrode plate and electrochemical device and electronic device comprising positive electrode plate |
| TWI826549B (en) * | 2018-10-15 | 2023-12-21 | 日商日本化學工業股份有限公司 | Cathode active material for lithium secondary batteries, manufacturing method thereof and lithium secondary battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320285A (en) * | 1998-08-31 | 2001-10-31 | 株式会社日立制作所 | Lithium secondary cell and device |
| CN101373828A (en) * | 2008-09-10 | 2009-02-25 | 中南大学 | Anode material capable of reducing capacity attenuation after storing lithium manganate battery |
| CN102280641A (en) * | 2011-06-27 | 2011-12-14 | 东莞新能源科技有限公司 | Secondary lithium battery and cathode sheet thereof |
| CN102496722A (en) * | 2011-12-22 | 2012-06-13 | 南开大学 | Layered lithium-rich anode material clad by metal fluoride, and preparation method thereof |
| CN103094553A (en) * | 2013-01-12 | 2013-05-08 | 上海大学 | Method for modifying surface of anode material for lithium ion battery |
-
2014
- 2014-02-27 CN CN201410069176.2A patent/CN104882610A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320285A (en) * | 1998-08-31 | 2001-10-31 | 株式会社日立制作所 | Lithium secondary cell and device |
| CN101373828A (en) * | 2008-09-10 | 2009-02-25 | 中南大学 | Anode material capable of reducing capacity attenuation after storing lithium manganate battery |
| CN102280641A (en) * | 2011-06-27 | 2011-12-14 | 东莞新能源科技有限公司 | Secondary lithium battery and cathode sheet thereof |
| CN102496722A (en) * | 2011-12-22 | 2012-06-13 | 南开大学 | Layered lithium-rich anode material clad by metal fluoride, and preparation method thereof |
| CN103094553A (en) * | 2013-01-12 | 2013-05-08 | 上海大学 | Method for modifying surface of anode material for lithium ion battery |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957492A (en) * | 2018-09-26 | 2020-04-03 | 中国科学院宁波材料技术与工程研究所 | Lithium metal interface protection, preparation method thereof and battery containing lithium metal interface protection |
| TWI826549B (en) * | 2018-10-15 | 2023-12-21 | 日商日本化學工業股份有限公司 | Cathode active material for lithium secondary batteries, manufacturing method thereof and lithium secondary battery |
| CN109524671A (en) * | 2018-11-16 | 2019-03-26 | 河南科隆新能源股份有限公司 | A kind of nickelic composite oxide particle powder of mixed aid class and preparation method thereof |
| CN109742403A (en) * | 2019-01-16 | 2019-05-10 | 欣旺达电子股份有限公司 | Capture the slurry preparation method and lithium ion battery of hydrofluoric acid |
| CN110970668A (en) * | 2019-12-23 | 2020-04-07 | 中国科学院过程工程研究所 | All-solid-state battery composite structure, preparation method and application thereof |
| WO2022156706A1 (en) * | 2021-01-21 | 2022-07-28 | 宁德新能源科技有限公司 | Positive electrode plate and electrochemical device and electronic device comprising positive electrode plate |
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