CN102903921B - A kind of take fluorocarbons as the water system battery of positive pole - Google Patents
A kind of take fluorocarbons as the water system battery of positive pole Download PDFInfo
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- CN102903921B CN102903921B CN201210434000.3A CN201210434000A CN102903921B CN 102903921 B CN102903921 B CN 102903921B CN 201210434000 A CN201210434000 A CN 201210434000A CN 102903921 B CN102903921 B CN 102903921B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000003792 electrolyte Substances 0.000 claims abstract description 36
- 230000004888 barrier function Effects 0.000 claims abstract description 28
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 19
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 239000011149 active material Substances 0.000 claims abstract description 6
- 230000010148 water-pollination Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000011777 magnesium Substances 0.000 claims description 7
- -1 TPO compound Chemical class 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000004627 regenerated cellulose Substances 0.000 claims description 6
- 239000012266 salt solution Substances 0.000 claims description 6
- 229920002397 thermoplastic olefin Polymers 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 6
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 159000000003 magnesium salts Chemical class 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- MPCRDALPQLDDFX-UHFFFAOYSA-L Magnesium perchlorate Chemical compound [Mg+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O MPCRDALPQLDDFX-UHFFFAOYSA-L 0.000 claims description 3
- 239000002006 petroleum coke Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 229910021555 Chromium Chloride Inorganic materials 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 21
- 239000002184 metal Substances 0.000 abstract description 21
- 239000007774 positive electrode material Substances 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 24
- 239000011701 zinc Substances 0.000 description 17
- 229910052744 lithium Inorganic materials 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- 238000011161 development Methods 0.000 description 6
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 239000002071 nanotube Substances 0.000 description 5
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical group Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229940105847 calamine Drugs 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- JQVALDCWTQRVQE-UHFFFAOYSA-N dilithium;dioxido(dioxo)chromium Chemical compound [Li+].[Li+].[O-][Cr]([O-])(=O)=O JQVALDCWTQRVQE-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052864 hemimorphite Inorganic materials 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- CPYIZQLXMGRKSW-UHFFFAOYSA-N zinc;iron(3+);oxygen(2-) Chemical group [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Zn+2] CPYIZQLXMGRKSW-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
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- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
Abstract
Take fluorocarbons as a water system battery for positive pole, relate to a kind of water system battery.Be provided with positive pole, negative pole and electrolyte system, described positive pole adopts containing fluorinated carbon material as active material, described negative pole adopts modification, the doping product of metal or metal, and described electrolyte system employing take water as the electrolyte system of solvent main body, and the barrier film of battery adopts hydrophily barrier film.Adopting take water as the electrolyte system of solvent, adopts fluorinated carbon material as the positive active material of battery, the feature such as using metal material as the negative pole of battery, have that discharge capacity is high, good rate capability, fail safe are good.
Description
Technical field
The present invention relates to a kind of water system battery, especially relating to a kind of take fluorocarbons as the water system battery of positive pole.
Background technology
The energy is the material base of social and economic development.Along with the fast development of Chinese national economy, energy demand is increased fast.Energy problem receives the concern of people day by day, and long-term fossil energy problem constrains the sustainable development in the whole world, becomes the bottleneck of sustained economic development.Research and development novel battery, an urgent demand in these energy epoch current just of tapping a new source of energy.Therefore, research and development have high-energy-density, high power, the novel battery of high security and critical material thereof, have become the common recognition of countries in the world development.
Solid fluorinated material with carbon element is the graphite intercalation compound directly being reacted by fluorine and carbon and generated, and having surface energy and interlayer can the physical and chemical performance of low and electroactive high a series of uniqueness.In the later stage sixties 20th century, find that the interlayer of fluorographite can be little many than the interlayer of graphite, thus recognize the feature of its solid lubricity, in kollag, obtain extensive utilization.After this, to the research of fluorographite as kollag and high-energy-density non-aqueous system lithium primary cell positive electrode, the development of this new function material of fluorographite is used and has pushed climax to, make it use more and more wider.
The utilization of solid fluorinated material with carbon element in primary cell, lithium/fluorocarbons (fluorographite) non-water system (organic electrolyte) primary cell is only had from the report of existing document and commercial prod, fluorocarbons Theoretical Mass specific energy is about 2180Wh/kg, the highest in solid positive pole series, operating voltage is about 2.5 ~ 2.7V, in small-sized lithium primary cell, actual specific energy is 250Wh/kg and 635Wh/L; In large-scale lithium primary cell, its actual specific energy is 590Wh/kg and 1050Wh/L.
Although Chinese patent CN101927981A, CN101486454A, CN1887832A disclose several manufacture method about fluorinated carbon material, do not relate to and implement concrete battery.Chinese patent CN102361084A discloses and adopts the mixture of fluorographite and carbon fluoride nano-tube as a kind of anode material of lithium battery, and this patent is only described as the positive electrode of lithium battery and the manufacture method of positive pole it.It is generally acknowledged, fluorocarbons (CF
x) material has hydrophobicity, be not suitable for water be solvent battery system in.Therefore, electrolyte is metal (Metal)/fluorocarbons (CF of water system
x) battery do not have relevant report.
Summary of the invention
The object of the present invention is to provide a kind of take fluorocarbons as the water system battery of positive pole.
The present invention is provided with positive pole, negative pole and electrolyte system, described positive pole adopts containing fluorinated carbon material as active material, described negative pole adopts modification, the doping product of metal or metal, described electrolyte system employing take water as the electrolyte system of solvent main body, and the barrier film of battery adopts hydrophily barrier film.
Described metal can be selected from the one in zinc, aluminium, magnesium, lithium etc.
Described fluorinated carbon material can be selected from the fluorinated carbon material of the different degree of fluorination that the material with carbon elements such as graphite, petroleum coke, carbon nano-tube, carbon fiber obtain after fluoridizing, or fluorinated carbon material prepared by other method, and the main body of described fluorinated carbon material is (CF
x)
n, x=0.1 ~ 1.1; In described active material, the content of fluorocarbons can be 20% ~ 100% by mass percentage.
Described barrier film can adopt regenerated cellulose, polyvinyl, TPO compound to be barrier film prepared by main body, and described barrier film also can adopt the paper substrate barrier film etc. of absorbency.
When described negative pole adopts zinc, described electrolyte can adopt alkaline aqueous solution etc.
When described negative pole adopts magnesium or magnesium alloy, described electrolyte can adopt magnesium salt solution, and described magnesium salt solution can be selected from the magnesium perchlorate aqueous solution etc.
When described negative pole adopts aluminium, described electrolyte can adopt aluminum salt solution, and described aluminum salt solution can be selected from liquor alumini chloridi or chromium chloride solution etc.
When described negative pole adopts lithium, described electrolyte can adopt that lithium salts is electrolyte, water is the electrolyte of solvent composition, and described lithium salts can be selected from lithium hydroxide or lithium chloride etc.; Described barrier film can adopt regenerated cellulose, polyvinyl, TPO compound to be barrier film prepared by main body, or the paper substrate barrier film of absorbency, or through PP barrier film, PE barrier film, the PP/PE/PP composite membrane of hydrophilic treated.
The present invention is by business fluorocarbons, comprises the fluorocarbonss such as fluorographite, fluorinated carbon fiber, carbon fluoride nano-tube, fluorizated petroleum coke as metal (Metal)/fluorocarbons (CF
x) the subject active material of water system anode; With the lithium metal of metallic zinc, magnesium metal, metallic aluminium or special processing for negative pole; And aqueous systems electrolyte and barrier film form primary cell system accordingly.
Use the fluorinated carbon material positive electrode of the present invention in aqueous systems battery, discharge with 800mA/g electric current, its specific capacity can reach more than 500mAh/g.Discharge capacity is high, good rate capability to use the battery system of the present invention's making to have, and the feature that battery security is good.
Due to metal of the present invention (Metal)/fluorocarbons (CF
x) battery adopts take water as the electrolyte system of solvent, adopt fluorinated carbon material as the positive active material of battery, using metal material (comprising metallic zinc, metallic aluminium, magnesium metal, lithium metal etc.) as the negative pole of battery, the feature such as therefore battery system of the present invention has that discharge capacity is high, good rate capability, fail safe are good.
Accompanying drawing explanation
Fig. 1 is that the present invention adopts fluorinated carbon fiber as positive electrode, and the 1mol/L LiOH aqueous solution, as electrolyte, adopts the discharge curve of galvanostatic pulse method follow-on test fluorinated carbon fiber positive electrode.In FIG, abscissa is test duration Testtime/s, and ordinate is current potential Potential/V (vs Zn
2+/ Zn).
Fig. 2 is that the present invention adopts fluorinated carbon fiber as positive electrode, the 1mol/L LiOH aqueous solution as electrolyte, at 100mAh/cm
2current density under discharge curve.In fig. 2, abscissa is specific capacity Specific capacity/mAh g
-1, ordinate is current potential Potential/V (vs Zn
2+/ Zn).
Fig. 3 is that the present invention adopts fluorinated carbon fiber as positive electrode, the 1mol/L LiOH aqueous solution as electrolyte, the discharge curve under different current density.In figure 3, abscissa is specific capacity Specific capacity/mAh g
-1, ordinate is current potential Potential/V (vs Li
+/ Li).
Fig. 4 is that the present invention adopts carbon fluoride nano-tube as positive electrode, and the 1mol/L LiOH aqueous solution is as electrolyte, and (ordinate is with Zn for the discharge curve under different current density
2+/ Zn is comparative electrode current potential).In the diagram, abscissa is specific capacity Specific capacity/mAh g
-1, ordinate is current potential Potential/V (vs Zn
2+/ Zn).
Fig. 5 is that the present invention adopts carbon fluoride nano-tube as positive electrode, and the 1mol/L LiOH aqueous solution is as electrolyte, and (ordinate is with Li for the discharge curve under different current density
+/ Li is comparative electrode current potential).In Figure 5, abscissa is specific capacity Specific capacity/mAh g
-1, ordinate is current potential Potential/V (vs Li
+/ Li).
Fig. 6 provides the present invention and adopts fluorocarbons as the water system battery structure schematic diagram of positive active material.In figure 6, be respectively labeled as: 1-positive pole; 2-positive active material; 3-battery case; 4-electrolyte; 5-barrier film; 6-negative electrode active material; 7-negative pole.
Embodiment
Below with reference to embodiment, the present invention is further illustrated.
Embodiment 1
Adopt three-electrode system to metal of the present invention (Metal)/fluorocarbons (CF
x) chemical property of fluorinated carbon material of water system battery tests.Be to electrode (negative pole) with nickel foam, zinc paper tinsel is reference electrode, and Electrode (positive pole) material is fluorinated carbon fiber CF
x, and the material ratio of conductive agent, adhesive: 80:10:10(mass ratio), collector is nickel foam, and the preparation of electrode adopts coating method, 120 DEG C of vacuum dryings, compressing under 10MPa.Electrode area is 1cm × 1cm, and thickness is 160 μm.Electrolyte: 1mol/L LiOH.
Adopt galvanostatic pulse method follow-on test.The OCP(Open Circuit Potential of testing research electrode (electrode temperature 65 ~ 70 DEG C) under the high temperature conditions), test 30s; With 40mA/cm
2current discharge 90s; Again with 60mA/cm
2current discharge 90s; Again with 80mA/cm
2current discharge 90s; Again with 100mA/cm
2current discharge 90s; Change in voltage during test constant current discharge.Test result as shown in Figure 1.Recording open circuit voltage is 1.48V.Experiment proves, this battery system has higher power-performance.
Embodiment 2
Adopt electrode material in the same manner as in Example 1, in the same way making and research electrode.Adopt three-electrode system (nickel foam is to electrode, and zinc paper tinsel is reference electrode), electrolyte: 1mol/L LiOH.With 100mAh/cm
2electric current discharge.Test metal (Metal)/fluorocarbons (CF
x) heavy-current discharge performance of water system battery, result is as shown in Figure 2.
Embodiment 3
Adopt electrode material in the same manner as in Example 1, make multiple Electrode in the same way.Adopt three-electrode system (nickel foam is to electrode, and zinc paper tinsel is reference electrode), electrolyte: 1mol/L LiOH.Discharge with the electric current that 800mAh/g, 4000mA/g, 8000mA/g are different respectively, research metal (Metal)/fluorocarbons (CF
x) discharge performance of water system battery.As shown in Figure 3, in figure, ordinate is with Li to result
+/ Li is comparative electrode current potential, shows that the lithium metal that positive electrode of the present invention can be used in protection is in the water system battery system of negative pole.Result shows, adopts the battery that method of the present invention makes, and under heavy-current discharge condition, can reach very high specific capacity.
Embodiment 4
Adopt carbon fluoride nano-tube CF
x(x=0.8 ~ 0.9) as positive electrode, method making and research electrode in the same manner as in Example 1.Adopt two electrode systems (metal zinc metal sheet is as negative pole), electrolyte: 1mol/L LiOH.Discharge with the electric current of 80mAh/g, 800mA/g, 4000mA/g respectively, research metal (Metal)/fluorocarbons (CF
x) discharge performance of water system battery.Result shows (as shown in Figure 4), adopts the battery that method of the present invention makes, and under heavy-current discharge condition, can reach very high specific capacity.Fig. 5 is same electrode discharge curve, and ordinate is with Li
+/ Li is comparative electrode current potential, shows that the lithium metal that positive electrode of the present invention can be used in protection is in the water system battery system of negative pole.
Embodiment 5
Adopt fluorinated carbon material as positive pole subject active, method in the same manner as in Example 1 makes positive pole, negative pole is calamine cream (Zn content is greater than 50%), electrolyte: the KOH aqueous solution of 35% ~ 60%, diaphragm material is regenerated cellulose, polyvinyl, TPO compound are the barrier film of main body.The battery structure provided according to Fig. 6 makes metallic zinc (Zn)/fluorocarbons (CF
x) water system battery.In figure 6, be respectively labeled as: 1-positive pole; 2-positive active material; 3-battery case; 4-electrolyte; 5-barrier film; 6-negative electrode active material; 7-negative pole.
Embodiment 6
Adopt fluorinated carbon material as positive pole subject active, method in the same manner as in Example 1 makes positive pole, the magnesium alloy (content of magnesium is greater than 50%) of negative pole to be high-purity magnesium be matrix, electrolyte: containing the magnesium perchlorate aqueous solution of lithium chromate, diaphragm material such as is at Methyl cellulose and the carboxymethyl cellulose of weight ratio.The battery structure provided according to Fig. 6 makes magnesium metal (Mg)/fluorocarbons (CF
x) water system battery.
Embodiment 7
Adopt fluorinated carbon material as positive pole subject active, method in the same manner as in Example 1 makes positive pole, the aluminium alloy (aluminium content is greater than 50%) of negative pole to be raffinal be matrix, electrolyte is aluminum chloride aqueous solution, and diaphragm material is regenerated cellulose, polyvinyl, TPO compound are barrier film prepared by main body.The battery structure provided according to Fig. 6 makes metallic aluminium (Al)/fluorocarbons (CF
x) water system battery.
Embodiment 8
Adopt fluorinated carbon material as positive pole subject active, method in the same manner as in Example 1 makes positive pole, negative pole is the lithium metal through special processing, electrolyte is lithium hydroxide aqueous solution, barrier film is the PP barrier film through hydrophilic treated, and the battery structure provided according to Fig. 6 makes lithium metal (Li)/fluorocarbons (CF
x) water system battery.
Claims (5)
1. one kind take fluorocarbons as the water system battery of positive pole, it is characterized in that being provided with positive pole, negative pole and electrolyte system, described positive pole adopts containing fluorinated carbon material as active material, described negative pole adopts the one in described negative pole employing aluminium, magnesium, magnesium alloy, described electrolyte system employing take water as the electrolyte system of solvent main body, and the barrier film of battery adopts hydrophily barrier film;
Described fluorinated carbon material is selected from the fluorinated carbon material that material with carbon element obtains after fluoridizing;
The main body of described fluorinated carbon material is (CF
x)
n, x=0.1 ~ 1.1;
In described active material, the content of fluorocarbons is 20% ~ 100% by mass percentage;
When described negative pole adopts magnesium or magnesium alloy, described electrolyte adopts magnesium salt solution, and described magnesium salt solution is selected from the magnesium perchlorate aqueous solution.
2. a kind of as claimed in claim 1 take fluorocarbons as the water system battery of positive pole, it is characterized in that described material with carbon element is selected from the one in graphite, petroleum coke, carbon nano-tube, carbon fiber.
3. a kind of as claimed in claim 1 take fluorocarbons as the water system battery of positive pole, it is characterized in that described barrier film adopts regenerated cellulose, polyvinyl, TPO compound to be barrier film prepared by main body, or adopts the paper substrate barrier film of absorbency.
4. a kind of as claimed in claim 1 take fluorocarbons as the water system battery of positive pole, it is characterized in that described electrolyte adopts liquor alumini chloridi or chromium chloride solution when described negative pole adopts aluminium.
5. a kind of as claimed in claim 1 take fluorocarbons as the water system battery of positive pole, it is characterized in that described barrier film adopts regenerated cellulose, polyvinyl, TPO compound to be barrier film prepared by main body, or the paper substrate barrier film of absorbency, or through PP barrier film, PE barrier film, the PP/PE/PP composite membrane of hydrophilic treated.
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| CN103594687B (en) * | 2013-11-29 | 2015-12-02 | 贵州梅岭电源有限公司 | The preparation method of lithium fluorocarbon cell positive electrode |
| CN104716296B (en) * | 2013-12-11 | 2017-04-19 | 上海空间电源研究所 | Sulfur-containing composite anode, preparation method thereof and lithium-sulfur battery using sulfur-containing composite anode as anode |
| CN104766974B (en) * | 2014-01-02 | 2018-05-08 | 苏州宝时得电动工具有限公司 | A kind of preprocess method of conductive agent, water system battery |
| CN104577196B (en) * | 2015-01-09 | 2017-03-08 | 厦门大学 | High voltage sodium perfluorocarbon secondary cell |
| CN107403968A (en) * | 2016-05-20 | 2017-11-28 | 苏州宝时得电动工具有限公司 | Aqoue seconary battery |
| CN109309244B (en) * | 2017-07-27 | 2021-08-24 | 南京工业大学 | Hybrid water-based rechargeable battery |
| CN107959026A (en) * | 2017-11-15 | 2018-04-24 | 上海空间电源研究所 | A kind of modified fluorinated carbon battery and its preparation method of anode pole piece and positive electrode |
| WO2021152999A1 (en) * | 2020-01-30 | 2021-08-05 | パナソニックＩｐマネジメント株式会社 | Negative electrode active material for aqueous secondary batteries, negative electrode for aqueous secondary batteries, and aqueous secondary battery |
| CN115053372B (en) * | 2020-01-31 | 2023-09-15 | 松下知识产权经营株式会社 | Negative electrode active material for aqueous secondary battery, negative electrode for aqueous secondary battery, and aqueous secondary battery |
| CN112510264B (en) * | 2020-12-02 | 2022-08-02 | 电子科技大学 | Lithium-carbon fluoride battery with ultralow-concentration electrolyte and preparation method thereof |
| CN114583128B (en) * | 2022-03-07 | 2023-09-19 | 湘潭大学 | Controllable preparation method of surface highly conductive carbon fluoride |
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| JP5768629B2 (en) * | 2010-09-28 | 2015-08-26 | ダイキン工業株式会社 | Cathode active material for lithium primary battery |
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| CN102903921A (en) | 2013-01-30 |
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