CN105336978A - LiMn2O4 and LiNixCoyMn(1-x-y)O2 nanobattery - Google Patents
LiMn2O4 and LiNixCoyMn(1-x-y)O2 nanobattery Download PDFInfo
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- CN105336978A CN105336978A CN201510822102.6A CN201510822102A CN105336978A CN 105336978 A CN105336978 A CN 105336978A CN 201510822102 A CN201510822102 A CN 201510822102A CN 105336978 A CN105336978 A CN 105336978A
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- limn2o4
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M4/48—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
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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
- H01M4/48—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
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M2010/0495—Nanobatteries
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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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- 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)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses an LiMn2O4 and LiNixCoyMn(1-x-y)O2 nanobattery. The nanobattery comprises a positive pole, a negative pole, multiple diaphragms, a polymer gel electrolyte and a battery shell, and is characterized in that the positive pole comprises a positive active material, a binder, a conductive agent and a positive pole current collector, and the positive active material adopts an LiMn2O4 and LiNixCoyMn(1-x-y)O2 material; the binder adopts PVDF (polyvinylidene fluoride); the conductive agent adopts one or more of conductive carbon black, conductive graphite, crystalline flake graphite, nanocarbon and fiber powder; the positive pole current collector adopts aluminum foil; the positive pole comprises the components as follows: 30%-40% of LiNixCoyMn(1-x-y)O2, 40%-50% of LiMn2O4, 3%-6% of nanocarbon and the fiber powder, 2%-4% of the conductive carbon black, 1%-4% of the crystalline flake graphite, 4%-7% of PVDF and the balance of the aluminum foil. The specific energy, the power, the capacity, the discharging efficiency, the safety performance and the structural stability of the LiMn2O4 and LiNixCoyMn(1-x-y)O2 power battery are improved, and the service life of the LiMn2O4 and LiNixCoyMn(1-x-y)O2 power battery is prolonged.
Description
Technical field
Electrokinetic cell of the present invention and preparation method thereof, particularly a kind of LiMn2O4 and nickle cobalt lithium manganate nano cell.
Background technology
At present, existing multiple battery on market, once battery and secondary rechargeable battery, there is plumbic acid, ni-mh, NI-G, lithium battery (cobalt acid lithium, LiMn2O4, LiFePO4) be applied in electric tool, electric bicycle, battery-operated motor cycle, electric automobile, battery in energy storage, due to low capacity, power is low, efficiency is low, polylith cell parallel need be adopted and be together in series and increase power and capacity to improve the service time of electronic product, because each battery exists certain difference, the combination of multiple battery produces considerable influence to battery performance, reduce the useful life of battery, and affect use safety.
In prior art, simple lithium manganate battery and nickle cobalt lithium manganate move battery and other lithium ion batteries when being applied in electric motor car, energy-storage battery, and voltage is low, specific energy is little, discharging efficiency is low, useful life is short and poor stability, battery structure can be unstable.
Summary of the invention
The present invention proposes a kind of LiMn2O4 and nickle cobalt lithium manganate nano cell, is to overcome simple lithium manganate battery and nickle cobalt lithium manganate and moves battery and other lithium ion battery applications voltage is low when electric motor car, energy-storage battery, specific energy is little, discharging efficiency is low, useful life is short and poor stability, battery structure can be unstable.
For achieving the above object, the present invention proposes a kind of LiMn2O4 and nickle cobalt lithium manganate nano cell, comprise positive pole, negative pole, multiple barrier film, gel-form solid polymer electrolyte, battery container, it is characterized in that, comprise: positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body, positive active material adopts LiMn2O4, nickel-cobalt lithium manganate material; Binding agent adopts Kynoar; Conductive agent adopts conductive black, electrically conductive graphite, crystalline flake graphite, nano-sized carbon, one or more in fiber powder; Plus plate current-collecting body adopts aluminium foil;
Negative pole is made up of negative material, conductive agent, thickener, binding agent and negative current collector;
Negative material adopt in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material one or more; Conductive agent adopts conductive carbon black, one or more in electrically conductive graphite; Thickener adopts sodium carboxymethylcellulose; Binding agent adopts butadiene-styrene rubber; Negative current collector adopts Copper Foil;
Wherein, the barrier film composition battery core between positive pole, negative pole and both positive and negative polarity, battery core adopts the laminated structure be connected by the first barrier film be arranged in order, negative pole, the second barrier film, positive pole; The component of described positive pole and percentage by weight are: nickel cobalt mangaic acid aluminium 30%-40%; LiMn2O4 40%-50%; Nano-sized carbon, fiber powder 3%-6%; Conductive black 2%-4%; Crystalline flake graphite 1%-4%; Kynoar 4%-7%; Surplus is aluminium foil.
The component of described positive pole and percentage by weight are: nickel cobalt mangaic acid aluminium 35%; LiMn2O4 45%; Nano-sized carbon, fiber powder 5%; Conductive black 3%; Crystalline flake graphite 3%; Kynoar 5%; Surplus is aluminium foil.
The present invention has following beneficial effect:
Be different from prior art and adopt simple lithium manganate battery and nickle cobalt lithium manganate to move battery and other lithium ion batteries are being applied in electric motor car, energy-storage battery voltage is low, specific energy is little, discharging efficiency is low, useful life short and poor stability, the problem that battery structure energy is unstable, the technical program positive electrode adopts LiMn2O4 and nickel cobalt mangaic acid to be main interpolation electrically conductive graphite, crystalline flake graphite, nano-sized carbon, one or more materials of fiber powder, improve LiMn2O4 and nickel cobalt mangaic acid electrokinetic cell specific energy, power, capacity, discharging efficiency, useful life, fail safe and structural stability.
Embodiment
The present invention proposes a kind of lithium manganate battery electrolyte, comprise positive pole, negative pole, multiple barrier film, gel-form solid polymer electrolyte, battery container, it is characterized in that, comprise: positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body, positive active material adopts LiMn2O4, nickel-cobalt lithium manganate material; Binding agent adopts Kynoar; Conductive agent adopts conductive black, electrically conductive graphite, crystalline flake graphite, nano-sized carbon, one or more in fiber powder; Plus plate current-collecting body adopts aluminium foil;
Negative pole is made up of negative material, conductive agent, thickener, binding agent and negative current collector;
Negative material adopt in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material one or more; Conductive agent adopts conductive carbon black, one or more in electrically conductive graphite; Thickener adopts sodium carboxymethylcellulose; Binding agent adopts butadiene-styrene rubber; Negative current collector adopts Copper Foil;
Wherein, the barrier film composition battery core between positive pole, negative pole and both positive and negative polarity, battery core adopts the laminated structure be connected by the first barrier film be arranged in order, negative pole, the second barrier film, positive pole; The component of described positive pole and percentage by weight are: nickel cobalt mangaic acid aluminium 30%-40%; LiMn2O4 40%-50%; Nano-sized carbon, fiber powder 3%-6%; Conductive black 2%-4%; Crystalline flake graphite 1%-4%; Kynoar 4%-7%; Surplus is aluminium foil.
The component of described positive pole and percentage by weight are: nickel cobalt mangaic acid aluminium 35%; LiMn2O4 45%; Nano-sized carbon, fiber powder 5%; Conductive black 3%; Crystalline flake graphite 3%; Kynoar 5%; Surplus is aluminium foil.
Be different from prior art and adopt simple lithium manganate battery and nickle cobalt lithium manganate to move battery and other lithium ion batteries are being applied in electric motor car, energy-storage battery voltage is low, specific energy is little, discharging efficiency is low, useful life short and poor stability, the problem that battery structure energy is unstable, the technical program positive electrode adopts LiMn2O4 and nickel cobalt mangaic acid to be main interpolation electrically conductive graphite, crystalline flake graphite, nano-sized carbon, one or more materials of fiber powder, improve LiMn2O4 and nickel cobalt mangaic acid electrokinetic cell specific energy, power, capacity, discharging efficiency, useful life, fail safe and structural stability.
Claims (2)
1. a LiMn2O4 and nickle cobalt lithium manganate nano cell, comprise positive pole, negative pole, multiple barrier film, gel-form solid polymer electrolyte, battery container, it is characterized in that, comprise: positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body, positive active material adopts LiMn2O4, nickel-cobalt lithium manganate material; Binding agent adopts Kynoar; Conductive agent adopts conductive black, electrically conductive graphite, crystalline flake graphite, nano-sized carbon, one or more in fiber powder; Plus plate current-collecting body adopts aluminium foil;
Negative pole is made up of negative material, conductive agent, thickener, binding agent and negative current collector;
Negative material adopt in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material one or more; Conductive agent adopts conductive carbon black, one or more in electrically conductive graphite; Thickener adopts sodium carboxymethylcellulose; Binding agent adopts butadiene-styrene rubber; Negative current collector adopts Copper Foil;
Wherein, the barrier film composition battery core between positive pole, negative pole and both positive and negative polarity, battery core adopts the laminated structure be connected by the first barrier film be arranged in order, negative pole, the second barrier film, positive pole; The component of described positive pole and percentage by weight are: nickel cobalt mangaic acid aluminium 30%-40%; LiMn2O4 40%-50%; Nano-sized carbon, fiber powder 3%-6%; Conductive black 2%-4%; Crystalline flake graphite 1%-4%; Kynoar 4%-7%; Surplus is aluminium foil.
2. LiMn2O4 according to claim 1 and nickle cobalt lithium manganate nano cell, is characterized in that: the component of described positive pole and percentage by weight are: nickel cobalt mangaic acid aluminium 35%; LiMn2O4 45%; Nano-sized carbon, fiber powder 5%; Conductive black 3%; Crystalline flake graphite 3%; Kynoar 5%; Surplus is aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510822102.6A CN105336978A (en) | 2015-11-24 | 2015-11-24 | LiMn2O4 and LiNixCoyMn(1-x-y)O2 nanobattery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510822102.6A CN105336978A (en) | 2015-11-24 | 2015-11-24 | LiMn2O4 and LiNixCoyMn(1-x-y)O2 nanobattery |
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| Publication Number | Publication Date |
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| CN105336978A true CN105336978A (en) | 2016-02-17 |
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| CN201510822102.6A Pending CN105336978A (en) | 2015-11-24 | 2015-11-24 | LiMn2O4 and LiNixCoyMn(1-x-y)O2 nanobattery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834062A (en) * | 2017-11-20 | 2018-03-23 | 中山市电赢科技有限公司 | A kind of anode constituents of rate battery |
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- 2015-11-24 CN CN201510822102.6A patent/CN105336978A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834062A (en) * | 2017-11-20 | 2018-03-23 | 中山市电赢科技有限公司 | A kind of anode constituents of rate battery |
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Application publication date: 20160217 |