CN105826558A - Flexible wearable water system lithium ion battery - Google Patents

Flexible wearable water system lithium ion battery Download PDF

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Publication number
CN105826558A
CN105826558A CN201610298227.8A CN201610298227A CN105826558A CN 105826558 A CN105826558 A CN 105826558A CN 201610298227 A CN201610298227 A CN 201610298227A CN 105826558 A CN105826558 A CN 105826558A
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lithium ion
battery
ion battery
flexible
flexible wearable
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王永刚
夏永姚
董晓丽
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Fudan University
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Fudan University
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    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0563—Liquid materials, e.g. for Li-SOCl2 cells
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5805—Phosphides
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/581—Chalcogenides or intercalation compounds thereof
    • H01M4/5815—Sulfides
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/582—Halogenides
    • 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
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • H01M4/745—Expanded metal
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Cell Electrode Carriers And Collectors (AREA)

Abstract

The invention belongs to the technical field of electrochemistry and particularly relates to a flexible wearable water system lithium ion battery which is high in performance and safety. The flexible wearable water system lithium ion battery specifically comprises aqueous solution electrolyte containing lithium ions, positive and negative electrode materials which can disembed lithium ions reversely and are embedded into compound materials, a porous partition membrane used for the water system battery and a current collector made of a flexible conductive netlike material, and the one-dimensional flexible wearable water system lithium ion battery is assembled. A traditional low-cost membrane production process can be used, and the electrode materials of the battery have high loading capacity, so that the battery presents excellent volumetric specific energy. The battery is good in bendability and flexibility and can still maintain performance unchanged after being subjected to hundreds of cycles of bending at different angles. The flexible battery has the advantages of being good in rate capability, high in specific energy, low in weight, low in cost, high in safety, environmentally friendly and the like, is further good in bending property and flexibility and is particularly suitable for being applied to the field of wearable electronic equipment.

Description

A kind of flexible wearable aquo-lithium ion battery
Technical field
The invention belongs to technical field of electrochemistry, be specifically related to a kind of flexible wearable aquo-lithium ion battery.
Background technology
Growing to miniaturization of electronic products, multiformity and variable demand in order to meet, the portable type electronic product of flexible wearable becomes the trend of future development.In recent years, can the appearance of takeup type display screen, electronics shirt and the fast development of the volume proposition of flexible electronic product concept, wearable electronic such as Googleglass, Applewatch, the Samsunggear etc. such as screen mobile phone, not only cause the great interest of consumers in general and expectation, more cause the researcher research boom to flexible electronic technology.But flexible electronic product to be used, has been necessary for corresponding collapsible energy storage device.Lithium ion battery is as high performance electrochmical power source, there is because of it many merits such as energy density high (for 2-3 times of traditional secondary battery), length in service life (discharge and recharge number of times is more than 1,000 times), operating temperature range width, already taken up the Battery Market of most consumption electronic product.Develop frivolous and that there is good pliability and bending stability high-performance high security lithium ion battery and become the focus of current battery area research.But, current flexible lithium ion battery is mainly based upon high toxicity and highly flammable organic system electrolyte.The potential safety hazard such as fire that lithium ion battery based on organic system electrolyte causes and explosion accident prevents it in the application in wearable device field.It is therefore desirable to use aqueous electrolyte to replace organic system electrolyte to carry out the research and development of flexible lithium ion battery.
On the other hand, it is the most bent that the coating of lithium ion battery and packaging technology determine traditional lithium ion battery, affects battery performance because bending process electrode material can be caused to come off from collector, in some instances it may even be possible to can be pierced through by barrier film, cause battery short circuit.The preparation method of flexible electrode is mainly direct rubbing method, spurt method, weave etc. in material with carbon element substrate, this method can effectively utilize the pore structure of material with carbon element substrate, flexible and high electronic conductivity, to ensure in the chemical property of differently curved state bottom electrode and mechanical performance.But, the electrode active material load capacity prepared by these methods is the lowest, which greatly limits the energy density that battery is actual, especially volume energy density.And, the battery with material with carbon element as substrate is difficult to carry out in series or in parallel by traditional welding procedure.
For problem above, the present invention develops the flexible wearable aquo-lithium ion battery system of a kind of high-performance high security.This battery system uses the aqueous solution containing lithium ion as electrolyte, with flexible stainless (steel) wire as collector, positive and negative pole material is prepared film forming by the membrane process of rolling of traditional low cost and is pressed on flexible current-collecting body increase active substance and the adhesion of collector, porous septum is used to be separated by both positive and negative polarity, finally packaging, vacuum seal, obtains flexible aquo-lithium ion battery.The flexible battery being assembled into accordingly ensure that the highest active substance load capacity and the high security of battery system, there is good high rate performance and high power density and the bending property of excellence and pliability, and light weight, low cost, safety height, environmental friendliness, it is particularly suitable for applications in wearable electronic field.
Summary of the invention
It is an object of the invention to provide a kind of high security, specific energy height, light weight, with low cost and there is good bending property and flexible flexible wearable aquo-lithium ion battery.
The flexible wearable aquo-lithium ion battery that the present invention provides, is a kind of aquo-lithium ion battery with excellent bending performance, and its structure is as it is shown in figure 1, this battery is with compliant conductive Web materials as collector, and particular make-up includes:
Aqueous electrolyte, for the aqueous solution containing lithium ion, is specifically as follows Li2SO4, LiNO3, a kind of solution in LiOH, LiCl, LiTFSI, or the most several mixed solutions；
Positive pole, its active substance be can reversible deintercalate lithium ions intercalation compound, including the oxide of transition metal, sulfide, phosphide or chloride, such as: LiMn2O4、LiCoO2、LiCo1/3Ni1/3Mn1/3O2、LiNiO2、LiFePO4、LiMnPO4、LiCoPO4Or conducting polymer, and the material of above-mentioned intercalation compound doping vario-property；
Negative pole, its active substance is that ion is intercalation compound, including NASICON structural compounds, or transition metal oxide, pyrophosphorylation compound, sulfide or lamellar structure compound, and the Surface coating shell of this kind of material or the material of doping vario-property；
For separating the porous septum of positive pole and negative pole, such as fibreglass diaphragm, porous polyphenyl alkene barrier film or filter paper.
In the present invention, using compliant conductive Web materials is collector, and this collector has certain flexibility and flexible, such as foam nickel screen, stainless (steel) wire, titanium net, conductive carbon material and conductive carbon material and the composite of above-mentioned wire netting.
In the present invention, positive electrode used is intercalation compound, and such as oxide, sulfide, phosphide or the chloride of transition metal, described transition metal is Mn, Ni, Co, Fe, V or Ti.Including LiMn2O4、LiCoO2、LiCo1/3Ni1/3Mn1/3O2、LiNiO2、LiFePO4、LiMnPO4、LiCoPO4Or conducting polymer；Or the material of above-mentioned intercalation compound metallic element M doping, doped metallic elements M is one or more in Li, Mg, Cr, Al, Co, Ni, Mn, Zn, Cu, La ion.
In the present invention, ion as negative electrode active material material is intercalation compound, including NASICON structural compounds, or transition metal oxide, pyrophosphorylation compound, sulfide or lamellar structure compound, and the Surface coating shell of this kind of material or the material of doping vario-property；Described transition metal is Mn, Ni, Co, Fe, V or Ti.LiTi including nucleocapsid structure2(PO4)3；Or the material of other metallic elements M doping of above-claimed cpd, doped metallic elements M is one or more in Li, Mg, Cr, Al, Co, Ni, Mn, Zn, Cu, La ion.
In the present invention, described positive pole and negative pole, its particular make-up includes: ion is intercalation compound, carbon-based conductive additive and binding agent.Described carbon-based conductive additive includes: one or several in activated carbon, porous carbon, Graphene, CNT, mesoporous carbon, acetylene black, white carbon black etc..The preparation of described electrode is: by intercalation compound for described ion and conductive carbon material and binding agent mixing, make electrode film by the way of roll-in, this electrode film is finally pressed on flexible netted collector composition electrode.
The flexible wearable aquo-lithium ion battery that the present invention provides, its charge and discharge process pertains only to a kind of ion in two interelectrode transfers, the feature of holding rocking chair type lithium ion battery.
Experiment shows, the flexible wearable aquo-lithium ion battery that the present invention provides, its maximum operating voltage reaches 2.0V, and average working voltage is 1.8V, and when in 0 ~ 2.0V discharge and recharge, battery has preferable high rate performance.At 0.2Ag-1Under electric current density, battery capacity (gross mass based on positive active material calculating) is up to 40mAhg-1, power density is 320Wkg-1, energy density is 63Whkg-1, in bigger electric current density 2Ag-1Under, battery capacity reaches 25mAhg-1, power density is 3275Wkg-1, energy density is 28Whkg-1.Maximum volume energy density and power density are respectively 124mWhcm-3And 11.1Wcm-3, more seven times higher than the maximum of report at present.After circulating 100 times, this system capability retention is 72%, it is shown that good chemical property.And, two these flexible wearable batteries to be connected, battery maximum operating voltage is up to 4.0V, average working voltage 3.6V, and this can match in excellence or beauty with conventional use of lithium ion battery.The set of cells of series connection shows good electrical property too.This flexible wearable battery uses aqueous electrolyte, compared with traditional lithium ion battery using organic electrolyte, has the highest safety.
Accompanying drawing explanation
Fig. 1 is based on the intercalation compound positive electrode of ion and the structural representation of the flexible wearable lithium ion battery of negative material.
Fig. 2 is based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The charge and discharge electrograph of the flexible wearable lithium ion battery of negative pole.
Fig. 3 is based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The flexible wearable lithium ion battery of negative pole charge and discharge electrograph under different bending angles.
Fig. 4 is based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The flexible wearable lithium ion battery of negative pole charge and discharge electrograph before and after bending certain number of times (1,000 times).
Fig. 5 is based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The flexible wearable lithium ion battery two battery series connection performance of negative pole.
Fig. 6 is the aquo-lithium ion battery picture of flexible wearable.
Detailed description of the invention
Below by embodiment, the present invention is further illustrated.
Embodiment 1: based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The flexible wearable lithium ion battery of negative pole.
First, with intercalation compound LiMn2O4 LiMn2O4For positive active material.Preparing of cathode film is as follows: according to active substance (LiMn2O4): conductive agent (acetylene black): the ratio mixed slurry of binding agent (polytetrafluoroethylene PTFE)=80:10:10, it is prepared as membrane electrode, then the membrane electrode with certain mass is cut into the band electrode of 1*6cm, is uniformly pressed on flexible rustless steel collector, constitutes positive electrical pole piece.In this embodiment, the coating weight of positive pole is 15mgcm-2.Secondly, with NASICON structural compounds LiTi2(PO4)3For negative electrode active material.Preparing of negative electrode film is as follows: according to active substance (LiTi2(PO4)3): conductive agent (acetylene black): the ratio mixed slurry of binding agent (polytetrafluoroethylene PTFE)=80:10:10, it is prepared as membrane electrode, then the membrane electrode with certain mass is cut into the band electrode sheet of 1*6cm, is uniformly pressed on flexible rustless steel collector, constitutes negative electricity pole piece.In this embodiment, the coating weight of negative pole is 20mgcm-2.Then, with nickel sheet as lug, both positive and negative polarity is separated with porous papery barrier film for battery diaphragm, with a little electrolyte 2MLiNO3By barrier film moistening, it is assembled into aquo-lithium ion battery system.The battery organic plastics assembled is shell, vacuum-pumping and sealing, obtains strip-shaped flexible aquo-lithium ion battery system.This banding aquo-lithium ion battery carries out charge-discharge test on the Japan's Big Dipper (HUKUTODENKO) battery charging and discharging instrument.The operation interval of battery is 0-2.0V.Battery is with 1Ag-1Electric current density when carrying out discharge and recharge, capacity reaches 40mAhg-1(see figure 2).After circulation 100 circle, capability retention reaches 72%.
Embodiment 2: based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The flexible wearable lithium ion battery of negative pole performance comparison under different bending angles.
The flexible wearable lithium ion battery prepared according to the method in embodiment 1 carries out under six kinds of states such as different bending angles 0 °, 45 °, 90 °, 135 °, 180 ° and bending cyclization the test of charge-discharge performance, and the operation interval of battery is 0-2.0V.Battery is with 1Ag-1Electric current density carry out discharge and recharge.Battery charge-discharge performance under differently curved state keeps constant (see figure 3), indicates the bending property that battery is good.
Embodiment 3: based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The flexible wearable lithium ion battery of negative pole performance comparison before and after bending certain number of times (1,000 times).
The flexible wearable lithium ion battery bending 1 the most continuously under six kinds of states such as different bending angles 0 °, 45 °, 90 °, 135 °, 180 ° and bending cyclization that will prepare according to the method in embodiment 1,000 time, carry out test and the contrast of charge-discharge performance.The operation interval of battery is 0-2.0V.Battery is with 1Ag-1Electric current density carry out discharge and recharge.Battery charge-discharge performance under differently curved state keeps constant, indicates the bend resistance performance that battery is excellent.
Embodiment 4: based on intercalation compound LiMn2O4 LiMn2O4Positive pole and LiTi2(PO4)3The flexible wearable lithium ion battery two battery series connection performance of negative pole.
The flexible wearable lithium ion battery two battery strings joint group prepared according to the method in embodiment 1 is become series battery, and carries out the test of charge-discharge performance.The operation interval of battery is 0-4.0V.Battery is with 1Ag-1Electric current density carry out discharge and recharge (see figure 5).

Claims (8)

1. a flexible wearable aquo-lithium ion battery, it is characterised in that with compliant conductive Web materials as collector, particular make-up includes:
Aqueous electrolyte, for the aqueous solution containing lithium ion；
Positive pole, its active substance is can reversible deintercalate lithium ions intercalation compound；
Negative pole, its active substance is that ion is intercalation compound；
For separating the porous septum of positive pole and negative pole.
Flexible wearable aquo-lithium ion battery the most according to claim 1, it is characterised in that described aqueous electrolyte is Li2SO4、LiNO3, a kind of solution in LiOH, LiCl, LiTFSI, or the most several mixed solution.
Flexible wearable aquo-lithium ion battery the most according to claim 1, it is characterized in that described can reversible deintercalate lithium ions intercalation compound, including: the oxide of transition metal, sulfide, phosphide or chloride, described transition metal is Mn, Ni, Co, Fe, V or Ti；Or the material of above-mentioned intercalation compound metallic element M doping, doped metallic elements M is one or more in Li, Mg, Cr, Al, Co, Ni, Mn, Zn, Cu, La ion.
Flexible wearable aquo-lithium ion battery the most according to claim 1, it is characterized in that as negative electrode active material to adopt ion intercalation compound, including NASICON structural compounds, or transition metal oxide, pyrophosphorylation compound, sulfide, or lamellar structure compound, described transition metal is Mn, Ni, Co, Fe, V or Ti, and the material of other metallic elements M doping of the Surface coating shell of this kind of material or above-claimed cpd, doped metallic elements M is Li, Mg, Cr, Al, Co, Ni, Mn, Zn, Zn, Cu, one or more in La ion.
5. according to the flexible wearable aquo-lithium ion battery one of claim 1-4 Suo Shu, it is characterized in that described compliant conductive reticulated collectors for flexible stainless (steel) wire, foam nickel screen, titanium net or conductive carbon material, or conductive carbon material and the composite of above-mentioned wire netting.
6. according to the flexible wearable aquo-lithium ion battery one of claim 1-4 Suo Shu, it is characterised in that described porous septum is water system battery diaphragm, including fibreglass diaphragm, porous polyolefin barrier film or filter paper.
7., according to the flexible wearable aquo-lithium ion battery described in claim 1-4, it is characterised in that described positive pole and negative pole, its composition includes intercalation compound, carbon-based conductive additive and binding agent.
Flexible wearable aquo-lithium ion battery the most according to claim 7, it is characterised in that described carbon-based conductive additive is one or several in activated carbon, porous carbon, Graphene, CNT, mesoporous carbon, acetylene black, white carbon black.
CN201610298227.8A 2016-05-09 2016-05-09 Flexible wearable water system lithium ion battery Pending CN105826558A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
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CN106356505A (en) * 2016-09-27 2017-01-25 柔电（武汉）科技有限公司 Flexible pole piece, preparation method of flexible pole piece, flexible battery and flexible mobile phone
CN106374147A (en) * 2016-12-08 2017-02-01 复旦大学 Flexible water-based sodium-ion batteries and preparation method thereof
CN106953101A (en) * 2017-03-22 2017-07-14 中国科学院长春应用化学研究所 A kind of lithia gas anode of secondary battery and preparation method thereof, lithia gas secondary cell
CN108172911A (en) * 2018-01-11 2018-06-15 武汉大学 A kind of full vanadium Water-soluble lithium ion battery
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
CN110600722A (en) * 2019-09-24 2019-12-20 吉林大学 Water system lithium-nickel double-salt mixed ion battery
CN110707326A (en) * 2019-04-10 2020-01-17 中南大学 Water-system battery current collector, positive electrode, flexible battery, preparation and application thereof
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