CN108574079A - A kind of polyalkene diaphragm for high polymer lithium battery - Google Patents

A kind of polyalkene diaphragm for high polymer lithium battery Download PDF

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Publication number
CN108574079A
CN108574079A CN201711422873.1A CN201711422873A CN108574079A CN 108574079 A CN108574079 A CN 108574079A CN 201711422873 A CN201711422873 A CN 201711422873A CN 108574079 A CN108574079 A CN 108574079A
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China
Prior art keywords
high polymer
polymer lithium
polyalkene diaphragm
diaphragm
polyalkene
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Pending
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CN201711422873.1A
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Chinese (zh)
Inventor
王文军
刘敏
张天芳
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Zhuzhou Smelter Group Co Ltd
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Zhuzhou Smelter Group Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D5/00—Other wind motors
    • F03D5/06—Other wind motors the wind-engaging parts swinging to-and-fro and not rotating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/32—Burning methods
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
    • H01M4/602—Polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658—Atmosphere during thermal treatment
    • C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • 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
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
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    • Y02E60/10—Energy storage using batteries
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    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Ceramic Engineering (AREA)
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  • Mechanical Engineering (AREA)
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  • Wind Motors (AREA)
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  • Physical Vapour Deposition (AREA)

Abstract

The present invention relates to a kind of polyalkene diaphragms for high polymer lithium battery, such polyalkene diaphragm is improved on the basis of original polyalkene diaphragm, improve the performance of polyalkene diaphragm by grafting fluorine atom group on polyalkene diaphragm, and it is applied to the production of high polymer lithium electricity, enhance the hardness of high polymer lithium electricity, while reducing high polymer lithium internal resistance, the cycle performance of high polymer lithium electricity is promoted.

Description

A kind of polyalkene diaphragm for high polymer lithium battery
Technical field
This patent is related to a kind of polyalkene diaphragm that high polymer lithium electricity produces and uses, and especially one kind can enhance high polymer The hardness of lithium electricity while reducing high polymer lithium internal resistance, promotes the polyalkene diaphragm material of the cycle performance of high polymer lithium electricity.
Technical background
Lithium ion battery has been widely used as a kind of high performance secondary green battery in various portable electronic products In communication tool, due to its superior performance, lithium ion battery also becomes potential power battery, is the following hybrid vehicle And the preferred power source of electric vehicle.Along with the fast development of lithium ion battery industry, related lithium ion battery is improved Also further deep, important component of the diaphragm as lithium ion battery is researched and developed, its main function is：（1）Positive and negative anodes are isolated And prevent the electronics in battery from passing freely through;（2）It can allow ion（In electrolyte solution）It is passed freely through between positive and negative anodes.Its Structure directly determines the size of lithium ion battery internal resistance, and it can significantly affect the capacity of battery, cycle performance and fill Discharging efficiency, thus it is of increasing concern to the research of membrane treatment.
Polyolefine material has that intensity is high, acid-alkali-corrosive-resisting is good, waterproof, chemical-resistant reagent, good biocompatibility, nontoxic It the advantages that property, is widely used in various fields.Currently, the liquid lithium ionic cell of commercialization is mostly poly- using micropore Alkene diaphragm, because polyolefin compound can provide good mechanical performance and chemical stabilization in rational cost-range Property, and there is the self-closing performance of high temperature, more ensure safety of the lithium rechargeable battery on routine use.Currently, It is relatively more to the research of polyalkene diaphragm material, such as doping, surface coating.Although these measures to the performance of diaphragm Improve, but complex technical process, increase manufacturing cost, and the requirement of not applicable industrialization at this stage.Pass through electron beam irradiation Or heat treatment handles diaphragm, and the thermal mechanical strength of diaphragm can be improved, it is electric caused by diaphragm retracts to prevent high temperature storage Pond internal short-circuit, this is at this stage in lithium ion battery production process to the method for membrane treatment.But to polyalkene diaphragm Material carries out that fluorination is seldom applied to the research report of lithium ion battery, and the carbon-fluorine bond bond energy that generates is larger after F atom introduces, It is firmly combined with carbon atom, and tightly packed in carbon skeleton outer layer, effectively prevents the exposure of carbon atom and carbon carbon backbone chain, Make polyolefine material that can show remarkable physicochemical properties：Surface energy is low, thermal stability, chemical-resistant, good weatherability, Meet the needs of lithium ion battery production.
Invention content
The purpose of this patent is to seriously affect the internal resistance of high polymer lithium electricity, cycle for polyalkene diaphragm currently on the market The performances such as performance, intensity are improved, and provide a kind of novel improved polyalkene diaphragm.
What the improved polyalkene diaphragm of this patent was realized in：Fluorinated modified polyolefin be by original polyolefin every It is realized on the basis of film by grafting fluorine atom group.
Preferably, the fluorinated polyolefin diaphragm type is improved on the basis of polyalkene diaphragm on existing market, It is with original polyalkene diaphragm performance.
Preferably, fluorinated polyolefin is by real by grafting fluorine atom group on the basis of original polyalkene diaphragm Existing.
The beneficial aspects of this patent are：It, which is applied to the production of high polymer lithium electricity, can reduce the same of high polymer lithium internal resistance When, promote the chemical properties such as the cycle performance of high polymer lithium electricity.
Specific implementation mode
The following detailed description of this patent.A kind of fluorinated polyolefin diaphragm, the microcellular structure, general with common polyalkene diaphragm The physicochemical property of logical polyalkene diaphragm.A kind of novel fluorinated modified polyalkene diaphragm is in the property for not changing original polyalkene diaphragm On the basis of, improve the physicochemical property of polyalkene diaphragm by grafting fluorin radical.
A kind of novel fluorinated polyolefin diaphragm can not only meet common high polymer lithium battery production, while suitable for height The production of multiplying power, high-performance high polymer lithium battery.

Claims (4)

1. a kind of polyalkene diaphragm for high polymer lithium battery, feature is：The polyalkene diaphragm is original It is improved on the basis of polyalkene diaphragm, all technical characteristics with polyalkene diaphragm.
2. being used for the polyalkene diaphragm of high polymer lithium battery as described in claim 1, it is characterised in that：The polyalkene diaphragm It is to be improved on original polyalkene diaphragm, improves the performance of polyalkene diaphragm by grafting fluorine atom group.
3. any one polyalkene diaphragm for being used for high polymer lithium battery as claimed in claim 1 or 2, it is characterised in that：Institute The polyalkene diaphragm stated is applied to the production of high polymer lithium electricity, can improve the intensity of high polymer lithium electricity.
4. any one polyalkene diaphragm for being used for high polymer lithium battery as claimed in claim 1 or 2, it is characterised in that：Institute While the production that the polyalkene diaphragm stated is applied to high polymer lithium electricity can reduce high polymer lithium internal resistance, high polymer lithium electricity is promoted Cycle performance.
CN201711422873.1A 2017-02-21 2017-12-25 A kind of polyalkene diaphragm for high polymer lithium battery Pending CN108574079A (en)

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CN201710093821 2017-02-21

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CN201711422873.1A Pending CN108574079A (en) 2017-02-21 2017-12-25 A kind of polyalkene diaphragm for high polymer lithium battery
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CN111188735A (en) * 2018-11-15 2020-05-22 北京万源工业有限公司 Blade-free wind generating set based on vortex-induced vibration principle
US10815965B2 (en) 2019-02-14 2020-10-27 King Saud University Multi-piston bladeless wind turbine
US10690114B1 (en) 2019-02-14 2020-06-23 King Saud University Bladeless wind turbine
CN109854445A (en) * 2019-02-22 2019-06-07 张志刚 A kind of power generator of no blade wind-force in conjunction with photovoltaic
US10982648B2 (en) * 2019-03-30 2021-04-20 Ehsan Azadi Yazdi Bladeless wind turbine with a telescoping natural frequency tuning mechanism
CN110640142B (en) * 2019-10-11 2022-03-04 航天材料及工艺研究所 Method for preparing TiAl-based alloy component by using carbon steel sheath
CN111058004A (en) * 2020-01-02 2020-04-24 宁波江丰电子材料股份有限公司 Chromium-silicon alloy sputtering target material and preparation method thereof
CN111647857A (en) * 2020-05-27 2020-09-11 先导薄膜材料（广东）有限公司 Method for recycling residual target of cadmium telluride thin film battery
CN112796947B (en) * 2020-12-30 2022-04-19 吉林大学 Wind power generation device
CN113121224B (en) * 2021-04-15 2022-09-06 有研资源环境技术研究院(北京)有限公司 Preparation method of annular high-density tantalum pentoxide coating material
CN113233873B (en) * 2021-05-27 2023-03-17 先导薄膜材料有限公司 ITO waste material recycling and processing method
CN117189471A (en) * 2023-09-06 2023-12-08 日照坤仑智能科技有限公司 Vaneless wind power generation device capable of actively controlling karman vortex street and control method thereof
CN117823335B (en) * 2024-03-06 2024-05-03 微澜能源(江苏)有限公司 Blade-free wind power generation device capable of lifting electric energy component
CN117823334B (en) * 2024-03-06 2024-05-14 微澜能源(江苏)有限公司 Energy capturing adjusting device for blade-free wind power generation

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