CN106654154A - Water-based ion battery plate manufacturing process - Google Patents
Water-based ion battery plate manufacturing process Download PDFInfo
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- CN106654154A CN106654154A CN201611218117.2A CN201611218117A CN106654154A CN 106654154 A CN106654154 A CN 106654154A CN 201611218117 A CN201611218117 A CN 201611218117A CN 106654154 A CN106654154 A CN 106654154A
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- Prior art keywords
- roll
- ion battery
- battery pole
- water system
- pole plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000006258 conductive agent Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 5
- 150000002500 ions Chemical class 0.000 claims description 17
- 239000011149 active material Substances 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- MJEPCYMIBBLUCJ-UHFFFAOYSA-K sodium titanium(4+) phosphate Chemical compound P(=O)([O-])([O-])[O-].[Ti+4].[Na+] MJEPCYMIBBLUCJ-UHFFFAOYSA-K 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- LLYXJBROWQDVMI-UHFFFAOYSA-N 2-chloro-4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1Cl LLYXJBROWQDVMI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- ZMVMBTZRIMAUPN-UHFFFAOYSA-H [Na+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Na+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O ZMVMBTZRIMAUPN-UHFFFAOYSA-H 0.000 claims description 2
- 239000006230 acetylene black Substances 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000011889 copper foil Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- BNBLBRISEAQIHU-UHFFFAOYSA-N disodium dioxido(dioxo)manganese Chemical compound [Na+].[Na+].[O-][Mn]([O-])(=O)=O BNBLBRISEAQIHU-UHFFFAOYSA-N 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 239000003273 ketjen black Substances 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000011877 solvent mixture Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000013543 active substance Substances 0.000 abstract 1
- 239000007767 bonding agent Substances 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910018502 Ni—H Inorganic materials 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a battery plate manufacturing process, in particular to a water-based ion battery plate manufacturing process. The water-based ion battery plate manufacturing process comprises the following steps: tableting a mixture of active substances, a conductive agent, a bonding agent and a solvent; then, laminating with a current collector to form a battery plate which is 0.1mm-100mm in thickness. The water-based ion battery plate manufacturing process has the advantages of less production equipment, simple process, high production efficiency, high material utilization rate, easiness in plate molding, and easiness in control of the surface density and the thickness, and the service life of a battery is prolonged effectively.
Description
Technical field
The present invention relates to battery pole plates manufacturing process, more particularly to a kind of water system ion battery pole plate manufacture craft.
Background technology
With the development of society, exploitation of the people to new forms of energy is increasingly paid attention to, solar energy, wind energy, water energy, tide energy etc.
With pollution-free, the characteristics of inexhaustible.These energy major part will be converted into electric energy that people commonly use to use,
Extensive research and development has been obtained as the battery of energy-storage travelling wave tube.The battery of commercialization at present has lead-acid battery, hydrogen nickel
Battery, Hawkins cell, ickel-cadmium cell, lithium ion battery etc..Lithium ion battery has specific energy high, and voltage is high, long service life
The characteristics of, but its high cost, security is poor, blast, phenomenon on fire easily occurs.Lead-acid battery and ickel-cadmium cell specific energy
Low, service life is short, and environmental pollution is serious.Ni-H cell and Hawkins cell is environmentally friendly but service life is shorter.Therefore
Develop and meet high safety, low cost, long-life and the large-scale energy storage technology of extensive stored energy application and become world's model
Enclose interior study hotspot.Water system ion battery using water as solvent because having safe, low cost, free of contamination feature, mesh
Front water system sodium-ion battery, aquo-lithium ion battery, water system lithium sodium hybrid ionic battery have obtained widely studied.Water system ion-conductance
Pond is a kind of brand-new battery system, the shaping of its electrode, the selection of collector, exploitation of electrolyte functional additive etc.
A technology difficult problem for series also needs to constantly be hacked, and battery performance still has greatly improved space.Battery pole plates are general
Including the several parts of active material, conductive agent, binding agent, solvent and collector.Active material provides capacity, conductive agent offer and leads
Electric network, binding agent provide coherent network, solvent can make each material be uniformly dispersed, and collector plays a part of to gather electronics.
Coating type being adopted the mixture of active material, conductive agent, binding agent and solvent formation at present and the mode of collector set, i.e., more
Mixture is first coated on collector, be dried after roll-in be punched to required size, using the method make electrode thickness not
1mm can be more than, more than will appear from serious dropping off and crack after 1mm；It is only capable of adopting when in addition this kind of mode makes pole plate
The collector of foil-like, will produce substantial amounts of waste material during pole plate machine-shaping, these waste materials can not be reused, stock utilization
It is low.
The content of the invention
The purpose of the present invention discloses a kind of reasonable in design, and implementation is simple, can effectively the surface density of controlling plate with
The coating uniformity of pole plate, improves the water system ion battery pole plate manufacture craft of battery.
Above-mentioned purpose is realized, the technical solution used in the present invention is：A kind of water system ion battery pole plate manufacture craft, first
The mixture of active material, conductive agent, binding agent and solvent is made into sheet, is then pressed with collector, form thickness
Battery pole plates between 0.1mm -100mm.
Preferably, water system ion battery pole plate manufacture craft includes successively selected step：（1）Batch mixing, by active material,
Conductive agent, binding agent are added in agitator, active material 50-98% in mass ratio, conductive agent 1-40%, binding agent 1-20%, so
The deionized water of active material, conductive agent and binding agent gross mass 5%-100% is added afterwards, is uniformly mixed；（2）Roller
Pressure, by the raw material being well mixed by roll squeezer roll-in slabbing, roll-in thickness is between 0.1mm -100mm；（3）It is dried, will
Tablet dried process, 30-200 DEG C of baking temperature, 0.1-24h of drying time；（4）Secondary roll-in, by dried tablet
Roll-in again, roll-in thickness is between 0.1mm -100mm；（5）Punching, the tablet after secondary roll-in is punched out；（6）
Pressing, the tablet being punched and collector are pressed on roll squeezer, and thickness is between 0.1mm -100mm.
Preferably, institute's active material is LiMn2O4, LiFePO4, nickle cobalt lithium manganate, lithium nickelate, titanium phosphate sodium, mangaic acid
One kind in sodium, vanadium phosphate sodium.
Preferably, conductive agent is in acetylene black, SP, KS-6, Ketjen black, CNT, nickel powder, cobalt powder, Graphene
One or more.
Preferably, binding agent is one or more in PTFE, SBR, LA133.
Preferably, collector is nickel screen, copper mesh, titanium net, stainless (steel) wire, nickel foil, Copper Foil, aluminium foil, titanium foil, stainless steel band
In one kind.
Using a kind of water system ion battery pole plate manufacture craft of above-mentioned technical proposal, by active material, conductive agent, bonding
The mixture of agent and solvent makes sheet, then carries out pressing with collector and forms battery pole plates, effectively solve electrode into
The low problem of type, quality control, stock utilization, its advantage is few production equipment, process is simple, production efficiency height, material profit
Easy to control with rate height, pole plate easy-formation, surface density and thickness, the service life for making battery is effectively lifted.
Figure of description
Fig. 1 is the battery first charge-discharge curve being assembled into；
Fig. 2 is the battery 0.5C charge and discharge circulation life curves being assembled into.
Specific embodiment
This patent is described further with reference to the accompanying drawings and examples.
Embodiment 1
A kind of water system ion battery pole plate manufacture craft, successively including selected step：（1）Batch mixing, by 3.5g LiMn2O4s, 1g
SP, 0.5g PTFE is added in agitator, is subsequently adding 3g deionized waters, is uniformly mixed；（2）Roll-in, will be mixed
Close uniform material powder and go to roll squeezer, roll-in slabbing, roll-in thickness 2mm；（3）It is dried, tablet is gone to into drying box
Middle drying, 100 DEG C of baking temperature, the h of drying time 6；Dry purpose is to remove the moisture in tablet, can improve tablet
Compacting, it is to avoid roll banding when tablet processing is very thin;（4）Secondary roll-in, by the roll-in again of dried tablet, roll-in thickness
0.1mm；Secondary roll-in is exactly the thickness and surface density needed for tablet is made;（5）Punching, by the good tablet punching of roll-in
Into the disk of a diameter of 16mm；（6）Pressing, the disk of a diameter of 16mm being punched is existed with a diameter of 16mm stainless steels mesh sheet
Press on roll squeezer, adjustment thickness is 0.1mm.
Embodiment 2
A kind of water system ion battery pole plate manufacture craft, successively including selected step：（1）Batch mixing, by 7g LiFePO4s, 1g
SP, 1g KS-6,1g PTFE is added in agitator, and then 8g deionized waters, are uniformly mixed；（2）Roll-in, will be mixed
Close uniform material powder and go to roll squeezer, roll-in slabbing, roll-in thickness 10mm；（3）It is dried, tablet is gone to into drying
It is dried in case, 100 DEG C of baking temperature, the h of drying time 8；（4）Secondary roll-in, by the roll-in again of dried tablet, roll-in
Thickness 9mm；（5）Punching, by the good tablet of roll-in the square sheets of length of side 40mm are punched into；（6）Pressing, by the side being punched
The square sheets of long 40mm are pressed with the square stainless steel band of length of side 40mm on roll squeezer, and adjustment thickness is 9mm.
Embodiment 3
A kind of water system ion battery pole plate manufacture craft, successively including selected step：（1）Batch mixing, by 6g titanium phosphate sodium, 2g
SP, 1.5g PTFE, 0.5g SBR is added in agitator, and then 3g deionized waters, are uniformly mixed；（2）Roll-in,
The material powder being well mixed is gone to into roll squeezer, roll-in slabbing, roll-in thickness 4mm；（3）It is dried, tablet is gone to dry
It is dried in dry case, 80 DEG C of baking temperature, the h of drying time 8；（4）Secondary roll-in, by the roll-in again of dried tablet, roll-in
Thickness 0.5mm；（5）Punching, by the good tablet of roll-in the disk of diameter 18mm is punched into；（6）Pressing, by the diameter being punched
The disk of 18mm is pressed with the titanium net of diameter 18mm on roll squeezer, and adjustment thickness is 0.5mm.
Embodiment 4
A kind of water system ion battery pole plate manufacture craft, successively including selected step：（1）Batch mixing, by 8g sodium manganates, 0.5g sections
Qin is black, 0.5g CNTs, the PTFE of 0.5g SBR, 0.5g are added in agitator, then 2g deionized waters, stirring mixing
Uniformly；（2）Roll-in, by the material powder being well mixed roll squeezer, roll-in slabbing, roll-in thickness 15mm are gone to；（3）It is dry
It is dry, tablet is gone in drying box and is dried, 80 DEG C of baking temperature, drying time 2h；（4）Secondary roll-in, by dried
The roll-in again of shape thing, roll-in thickness 9mm；（5）Punching, by the good tablet of roll-in the rectangle of the long 80mm of wide 30mm is punched to
Piece；（6）Pressing, the rectangular pieces of the long 80mm of wide 30mm being punched and the long 80mm titanium foils of width 30mm are pressed on roll squeezer,
Adjustment thickness is 9mm.
Using the pole piece of diameter 16mm in embodiment 1 as positive pole, using the pole piece of diameter 18mm in embodiment 3 as negative pole,
Non-woven fabrics with a diameter of 19mm thickness as 200um injects the Na of 1mol/L as barrier film2SO4With the Li of 1mol/L2SO4Electrolysis
Liquid, is assembled into CR2025 batteries, and the CR2025 battery first charge-discharge curves being assembled into are as shown in figure 1, the CR2025 being assembled into
Battery 0.5C charge and discharge circulation life curves are as shown in Figure 2.
Claims (6)
1. a kind of water system ion battery pole plate manufacture craft, it is characterised in that first by active material, conductive agent, binding agent and solvent
Mixture make sheet, then pressed with collector, form battery pole plates of the thickness between 0.1mm -100mm.
2. a kind of water system ion battery pole plate manufacture craft according to claim 1, it is characterised in that successively including selected
Step：（1）Batch mixing, active material, conductive agent, binding agent are added in agitator, active material 50-98% in mass ratio, are led
Electric agent 1-40%, binding agent 1-20%, are subsequently adding the deionized water of active material, conductive agent and binding agent gross mass 5%-100%,
It is uniformly mixed；（2）Roll-in, by the raw material being well mixed by roll squeezer roll-in slabbing, roll-in thickness exists
Between 0.1mm -100mm；（3）It is dried, by tablet dried process, 30-200 DEG C of baking temperature, 0.1-24h of drying time；
（4）Secondary roll-in, by the roll-in again of dried tablet, roll-in thickness is between 0.1mm -100mm；（5）Punching, by two
Tablet after secondary roll-in is punched out；（6）Pressing, the tablet being punched and collector is pressed on roll squeezer, thickness
Between 0.1mm -100mm.
3. a kind of water system ion battery pole plate manufacture craft according to claim 1 and 2, it is characterised in that institute's active material
For the one kind in LiMn2O4, LiFePO4, nickle cobalt lithium manganate, lithium nickelate, titanium phosphate sodium, sodium manganate, vanadium phosphate sodium.
4. a kind of water system ion battery pole plate manufacture craft according to claim 1 and 2, it is characterised in that conductive agent is second
One or more in acetylene black, SP, KS-6, Ketjen black, CNT, nickel powder, cobalt powder, Graphene.
5. a kind of water system ion battery pole plate manufacture craft according to claim 1 and 2, it is characterised in that binding agent is
One or more in PTFE, SBR, LA133.
6. a kind of water system ion battery pole plate manufacture craft according to claim 1 and 2, it is characterised in that collector is nickel
One kind in net, copper mesh, titanium net, stainless (steel) wire, nickel foil, Copper Foil, aluminium foil, titanium foil, stainless steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218117.2A CN106654154A (en) | 2016-12-26 | 2016-12-26 | Water-based ion battery plate manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218117.2A CN106654154A (en) | 2016-12-26 | 2016-12-26 | Water-based ion battery plate manufacturing process |
Publications (1)
| Publication Number | Publication Date |
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| CN106654154A true CN106654154A (en) | 2017-05-10 |
Family
ID=58827449
Family Applications (1)
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| CN201611218117.2A Pending CN106654154A (en) | 2016-12-26 | 2016-12-26 | Water-based ion battery plate manufacturing process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134563A (en) * | 2017-06-13 | 2017-09-05 | 中国电子新能源（武汉）研究院有限责任公司 | Sodium-ion battery positive plate and preparation method thereof |
| CN107359351A (en) * | 2017-06-29 | 2017-11-17 | 郑州大学 | A kind of method that lithium ion battery prepares electrode slice with humic acid base water-based binder and using the binding agent |
| CN108091822A (en) * | 2017-11-15 | 2018-05-29 | 深圳海能动力控股有限公司 | The anode preparation method of magnesium stannous chloride battery and gained battery |
| CN109244359A (en) * | 2018-11-06 | 2019-01-18 | 南京径祥新材料科技有限公司 | A kind of high capacity Magnesium sea water battery stannous chloride anode pole piece moulding process and gained battery |
| CN109428048A (en) * | 2017-09-04 | 2019-03-05 | 丰田自动车株式会社 | The manufacturing method of aquo-lithium ion secondary battery cathode and the manufacturing method of aquo-lithium ion secondary cell |
| CN110391392A (en) * | 2018-04-19 | 2019-10-29 | 北京金羽新能科技有限公司 | Water system ion battery flexible electrode and preparation method thereof and water system ion battery |
| CN111477853A (en) * | 2020-04-17 | 2020-07-31 | 恩力能源科技(安徽)有限公司 | Aqueous sodium-based mixed ion secondary battery |
| CN114039024A (en) * | 2021-11-08 | 2022-02-11 | 上海联净电子科技有限公司 | Method and device for producing graphite electrode material of aqueous battery |
| CN114388741A (en) * | 2022-02-25 | 2022-04-22 | 电子科技大学 | Sodium titanium phosphate electrode and preparation method thereof |
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