CN106410100A - Production method of electrode for three-dimensional porous polymer lithium ion battery, and battery structure design - Google Patents

Production method of electrode for three-dimensional porous polymer lithium ion battery, and battery structure design Download PDF

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CN106410100A
CN106410100A CN201611005180.8A CN201611005180A CN106410100A CN 106410100 A CN106410100 A CN 106410100A CN 201611005180 A CN201611005180 A CN 201611005180A CN 106410100 A CN106410100 A CN 106410100A
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dimensional porous
negative
negative electrode
polymer
plate
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王庆生
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Yingnawei (Zhejiang) Amperex Technology Limited
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Zhejiang Changxin Sino Russian New Energy Material Technology Research Institute Co Ltd
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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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/80—Porous plates, e.g. sintered carriers
    • 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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to an electrode for a three-dimensional porous polymer lithium ion battery. The electrode comprises a plurality of units, every unit comprises a positive electrode plate, a negative electrode plate and an isolation film, the positive electrode plate comprises a netted aluminum positive electrode current collector and positive electrode active substances compounded to one side or two sides of the netted aluminum positive electrode current collector, the positive electrode active substances are lithium oxide, nickel oxide, cobalt oxide and manganese oxide respectively, a positive electrode film is produced from the positive electrode active substances, a conductive agent, an additive and a binder according to a required ratio, the negative electrode plate comprises a netted copper negative electrode current collector and negative electrode active substances, the netted copper negative electrode current collector is embedded in the negative electrode active substances, the negative electrode active substances are graphite and MCMB respectively, and a negative film is produced from the negative electrode active substances, the additive and the binder in proportion. The quantity of ion migration cannels is increased, the ion exchange distance and the ion exchange time are shortened, the heat production problem caused by various polarizations is eliminated, the rate performance of the battery is improved, and the service life of the battery is prolonged.

Description

The preparation of three-dimensional porous polymer Li-ion battery electrode and battery structure design
Technical field：
The present invention relates to the structure design of the preparation of polymer Li-ion battery electrode and battery, particularly to a kind of three-dimensional many The preparation of pore polymer lithium ion battery electrode and battery structure design.
Background technology：
Compared with other types battery, lithium ion battery has more preferable energy storage effect, and lightweight is little, thus extensive It is applied in mobile phone and other portable electric appts.Traditional lithium ion battery is usually used inflammable liquid organic carbonate Ester, as the primary solvent of electrolyte, has leakage, bulging, heating are smoldered the even potential safety hazard such as Fire explosion.For understanding Determine this problem, researcher proposes polymer Li-ion battery, and it adopts polymer gel electrolyte, is allowed to be dispersed in high score In sub- membrane for polymer, thus do not allow to be also easy to produce the situation of leakage and bulging, with respect to liquid electrolyte, there is more preferable safety Property, it is the first-selected battery that the fields such as current electric automobile and energy-accumulating power station use.
Polymer Li-ion battery includes housing and is encapsulated in the battery core in housing and electrolyte, and wherein battery core includes Isolating device between positive and negative pole plate and positive and negative pole plate, positive and negative pole plate scribbles Active substance, and inside battery is full of Electrolyte.The heat resistance of existing polymer ions battery, charging and discharging capabilities and service life etc. all exist and are lifted further Space.
Content of the invention：
The present invention is directed to the shortcoming and defect that existing lithium ion battery exists, and it is resistance to that proposition one kind can be effectively improved lithium ion battery Hot, improve charging and discharging capabilities and the preparation of porous polymer lithium ion cell electrode that increases the service life and battery structure Optimization Design.
A kind of three-dimensional porous electrodes for polymer Li-ion batteries, including multiple units, each unit described just all includes Pole plate, negative plate and barrier film, described positive plate by reticulated aluminum plus plate current-collecting body and is compounded in reticulated aluminum plus plate current-collecting body one side Or two-sided positive active material composition, positive active material is lithium, nickel, cobalt, Mn oxide, and cathode film is by positive electrode active material Matter, conductive agent, additive and binding agent are formulated by required ratio, and described negative plate is by netted copper negative current collector and negative pole Active material forms, and wherein netted copper negative current collector is embedded in negative electrode active material, negative electrode active material is graphite, MCMB, negative electrode film is formed by proportionings such as negative electrode active material, additive, binding agents.
Reticulated aluminum plus plate current-collecting body and netted copper negative current collector are the network structure with diamond-mesh, and reticulated aluminum is just Pole collector and netted copper negative current collector are both needed to process through oil removing cleaning and surface conductance.
Positive plate, barrier film and negative plate are three-dimensional porous structure, and aperture is between 0.2～10 μm.
Three-dimensional porous structure is obtained by extraction and separation technology, and extractant adopts methyl alcohol or ethanol, and extraction process is Three-level ladder extraction, obtains three-dimensional porous structure through from top to bottom three extraction processes, extractant concentration is：Primary solvent chamber Extractant concentration 90%～93%, secondary solvent room extractant concentration 94%～97%, three-level solvent compartment extractant concentration 95%～ 99.5%, extraction liquid temp is 30～40 DEG C, extraction cell vacuum～0.06Mpa, and microwave vibrations frequency is 30～40HZ.
Barrier film is by scratching framework material, filler, plasticizer, fire retardant, the uniform back roller of coupling agent vacuum stirring Deposited film forming, wherein framework material adopt Kynoar, filler to adopt silica or alundum (Al2O3), plasticizer using adjacent benzene Dibutyl carboxylic acid or dioctyl phthalate, coupling agent adopt vinyl tris silane, polysiloxanes, dimethyl silicone polymer One of or two kinds, each constituent mass percentage is：Kynoar 70%～80%, filler 15%～17%, plasticizer 4%～ 6%th, coupling agent 1%～3%, fire retardant 0.01%～1%.
Each cellular construction is divided into：Negative plate/barrier film/positive plate, negative plate/barrier film/positive plate/barrier film/negative Pole plate, positive plate/barrier film/negative plate/different layer structure of three kinds of barrier film/positive plate, each cell is by some The unit of individual basic model composes in parallel.
The active material of two side electrodes of each elementary cell is mounted to the one side of collector through hot pressing, is connect with reducing Get an electric shock and hinder, the metal collector side of inactive material outwardly, is beneficial to radiating, and the active material of target is inlayed through hot pressing Two-sided to collector.
Each unit is all stacked up using lamination process, and the high warm through 100～150 DEG C, pressure 0.2～0.5Mpa Close the battery core unit processing or being integrally formed through binding agent normal temperature Combined Processing.
The cell of random capacity between 0.2Ah～100Ah, its thickness can be produced after 1～20 blade unit parallel connection Between 0.4～10mm.
Above-mentioned porous lithium ion polymer battery is also designed to the battery of various different shapes and structure, such as permissible Design square, the various different shape such as triangle, circle, semicircle, ellipse, can be devised by one positive one negative, one Just two is negative or the battery of two positive minus structures, to meet the demand of different clients.
The series-parallel system of unit can manufacture power type battery or high voltage type battery.
The beneficial effects of the present invention is：
The pore volume of porous lithium ion polymer battery electrode proposed by the present invention is not less than 80%, porosity >=45%, aperture 0.2-10 μ M, makes the loose structure of whole electrode have three-dimensional, high curvature, high winding degree, the feature such as penetrating, and then effectively improves surface area, increase Plus ionic transport passages, shorten ion exchange away from discrete time, eliminate the heat production problem that various polarization cause, and improve Battery high rate performance extends battery.
Brief description：
Accompanying drawing 1 is showing of the various different structure battery core unit in the present invention for three-dimensional porous polymer Li-ion battery manufacture It is intended to；
In figure 1- negative lug；2- positive pole ear；3- netted copper negative current collector；4- reticulated aluminum plus plate current-collecting body；5- negative electrode film； 6- cathode film；7- barrier film.
Specific embodiment：
Embodiment：In figure A, B, C represent negative plate/barrier film 7/ positive plate respectively（One negative one is just）, negative plate/barrier film 7/ just Pole plate/barrier film 7/ negative plate（Two negative ones are just）, positive plate/barrier film 7/ negative plate/barrier film 7/ positive plate（One minus two just）3 The battery core unit of middle different structure, if an above-mentioned battery core unit is directly packed with plastic-aluminum packaging film, you can obtain a kind of Ultra-thin battery, its thickness can be arbitrarily devised between 0.4 ~ 1mm.
A kind of three-dimensional porous electrodes for polymer Li-ion batteries, including multiple units, each unit described just all includes Pole plate, negative plate and barrier film 7, positive plate by reticulated aluminum plus plate current-collecting body 4 and is compounded in aluminium base reticulated collectors 4 one side or double Face positive active material composition, positive active material be lithium, nickel, cobalt, Mn oxide, cathode film 6 by positive active material, lead Electric agent, additive and binding agent are formulated by required ratio, and negative plate is by netted copper negative current collector 3 and negative electrode active material Composition, wherein netted copper negative current collector 3 is embedded in negative electrode active material, and negative electrode active material is graphite, MCMB, negative electrode film 5 are formed by proportionings such as negative electrode active material, additive, binding agents.
Reticulated aluminum plus plate current-collecting body 5 and netted copper negative current collector 3 are the network structure with diamond-mesh, reticulated aluminum Plus plate current-collecting body 4 and netted copper negative current collector 3 are both needed to process through oil removing cleaning and surface conductance.
Positive plate, barrier film 7 and negative plate are three-dimensional porous structure, and aperture is between 0.2～10 μm.
Three-dimensional porous structure is obtained by extraction and separation technology, and extractant adopts methyl alcohol or ethanol, and extraction process is Three-level ladder extraction, obtains three-dimensional porous structure through from top to bottom three extraction processes, extractant concentration is：Primary solvent chamber Extractant concentration 90%～93%, secondary solvent room extractant concentration 94%～97%, three-level solvent compartment extractant concentration 95%～ 99.5%, extraction liquid temp is 30～40 DEG C, extraction cell vacuum～0.06Mpa, and microwave vibrations frequency is 30～40HZ.
Barrier film 7 is by scratching framework material, filler, plasticizer, fire retardant, the uniform back roller of coupling agent vacuum stirring Deposited film forming, wherein framework material adopt Kynoar, filler to adopt silica or alundum (Al2O3), plasticizer using adjacent benzene Dibutyl carboxylic acid or dioctyl phthalate, coupling agent adopt vinyl tris silane, polysiloxanes, dimethyl silicone polymer One of or two kinds, each constituent mass percentage is：Kynoar 70%～80%, filler 15%～17%, plasticizer 4%～ 6%th, coupling agent 1%～3%, fire retardant 0.01%～1%.
The positive active material of two side electrodes of each elementary cell or negative electrode active material are mounted to net through hot pressing The one side of shape aluminium plus plate current-collecting body 4 or netted copper negative current collector 3, to reduce contact resistance, the reticulated aluminum of inactive material is just Pole collector 4 or netted copper negative current collector 3 side outwardly, are beneficial to radiating, the active material of target is inlayed through hot pressing Two-sided to collector.
Each unit is all stacked up using lamination process, and the high warm through 100～150 DEG C, pressure 0.2～0.5Mpa Close the battery core unit processing or being integrally formed through binding agent normal temperature Combined Processing.
The cell of random capacity between 0.2Ah～100Ah, its thickness can be produced after 1～20 blade unit parallel connection Between 0.4～10mm.
Above-mentioned porous lithium ion polymer battery is also designed to the battery of various different shapes and structure, such as permissible Design square, the various different shape such as triangle, circle, semicircle, ellipse, can be devised by one positive one negative, one Just two is negative or the battery of two positive minus structures, to meet the demand of different clients.
The series-parallel system of unit can manufacture power type battery or high voltage type battery.
The foregoing is only presently preferred embodiments of the present invention, those of ordinary skill in the art are not making creative work Under the premise of the every other embodiment that obtained, all should belong to the scope of protection of the invention.

Claims (10)

1. a kind of three-dimensional porous electrodes for polymer Li-ion batteries it is characterised in that：Including multiple units, each unit described is equal Include positive plate, negative plate and barrier film, described positive plate by reticulated aluminum plus plate current-collecting body and is compounded in reticulated aluminum positive pole collection The positive active material composition of fluid single or double, positive active material is lithium, nickel, cobalt, Mn oxide, and cathode film is by positive pole Active material, conductive agent, additive and binding agent are formulated by required ratio, and described negative plate is by netted copper negative current collector And negative electrode active material forms, wherein netted copper negative current collector is embedded in negative electrode active material, and negative electrode active material is stone Ink, MCMB, negative electrode film is formed by proportionings such as negative electrode active material, additive, binding agents.
2. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 1 it is characterised in that：Described reticulated aluminum positive pole collection Fluid and netted copper negative current collector are the network structure with diamond-mesh, reticulated aluminum plus plate current-collecting body and netted copper negative pole Collector is both needed to process through oil removing cleaning and surface conductance.
3. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 1 it is characterised in that：Described positive plate, isolation Film and negative plate are three-dimensional porous structure, and aperture is between 0.2～10 μm.
4. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 3 it is characterised in that：Described three-dimensional porous structure Obtained by extraction and separation technology, extractant adopts methyl alcohol or ethanol, extraction process is three-level ladder extraction, through from upper And lower three extraction processes obtain three-dimensional porous structure, extractant concentration is：Primary solvent chamber extractant concentration 90%～93%, two Level solvent compartment extractant concentration 94%～97%, three-level solvent compartment extractant concentration 95%～99.5%, extraction liquid temp is 30～40 DEG C, extraction cell vacuum～0.06Mpa, microwave vibrations frequency is 30～40HZ.
5. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 1 it is characterised in that：Described barrier film is to pass through Framework material, filler, plasticizer, fire retardant, the uniform back roller of coupling agent vacuum stirring are scraped coating filmform, wherein framework material is adopted Silica or alundum (Al2O3), plasticizer is adopted to adopt dibutyl phthalate or adjacent benzene two with Kynoar, filler Formic acid dioctyl ester, coupling agent adopt one of vinyl tris silane, polysiloxanes, dimethyl silicone polymer or two kinds, each group Point mass percent is：Kynoar 70%～80%, filler 15%～17%, plasticizer 4%～6%, coupling agent 1%～3%, fire-retardant Agent 0.01%～1%.
6. according to claim 5 three-dimensional porous electrodes for polymer Li-ion batteries it is characterised in that：Each cellular construction described divides For：Negative plate/barrier film/positive plate, negative plate/barrier film/positive plate/barrier film/negative plate, positive plate/barrier film/negative pole Plate/different the layer structure of three kinds of barrier film/positive plate, each cell is by the unit of several basic models and joint group Become.
7. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 5 it is characterised in that：Each elementary cell described The active material of two side electrodes be mounted to the one side of collector through hot pressing, to reduce contact resistance, inactive material Metal collector side outwardly, is beneficial to radiating, and the active material of target is mounted to the two-sided of collector through hot pressing.
8. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 5 it is characterised in that：Each unit described is all adopted It is stacked up with lamination process, and the high temperature heat through 100～150 DEG C, pressure 0.2～0.5Mpa is processed or through binding agent normal temperature Combined Processing and the battery core unit that is integrally formed.
9. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 5 it is characterised in that：Described 1～20 blade unit The cell of random capacity between 0.2Ah～100Ah can be produced, its thickness is between 0.4～10mm after parallel connection.
10. three-dimensional porous electrodes for polymer Li-ion batteries according to claim 5 it is characterised in that：The string of described unit is simultaneously Connection mode can manufacture power type battery or high voltage type battery.
CN201611005180.8A 2016-11-16 2016-11-16 Production method of electrode for three-dimensional porous polymer lithium ion battery, and battery structure design Pending CN106410100A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108878768A (en) * 2017-05-08 2018-11-23 清华大学 Negative electrode of lithium ion battery and lithium ion battery
CN109390643A (en) * 2018-10-11 2019-02-26 南京宁智高新材料研究院有限公司 A kind of three-diemsnional electrode heating means being cold-started at low temperature for battery
CN111864158A (en) * 2019-04-30 2020-10-30 河北金力新能源科技股份有限公司 Coating method of lithium battery diaphragm, lithium battery diaphragm and lithium battery
CN113451586A (en) * 2021-05-27 2021-09-28 天津国安盟固利新材料科技股份有限公司 Electrode plate of secondary battery, secondary battery and preparation method of secondary battery

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047266A (en) * 2006-03-31 2007-10-03 王庆生 Extraction method and special equipment for lithium polymer cell
CN103928687A (en) * 2014-05-08 2014-07-16 威海东生能源科技有限公司 Porous polymer lithium ion power battery and manufacturing method
CN103996859A (en) * 2014-06-17 2014-08-20 威海东生能源科技有限公司 Three-dimensional porous polymer lithium-ion battery cell unit as well as preparation method thereof and battery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047266A (en) * 2006-03-31 2007-10-03 王庆生 Extraction method and special equipment for lithium polymer cell
CN103928687A (en) * 2014-05-08 2014-07-16 威海东生能源科技有限公司 Porous polymer lithium ion power battery and manufacturing method
CN103996859A (en) * 2014-06-17 2014-08-20 威海东生能源科技有限公司 Three-dimensional porous polymer lithium-ion battery cell unit as well as preparation method thereof and battery

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108878768A (en) * 2017-05-08 2018-11-23 清华大学 Negative electrode of lithium ion battery and lithium ion battery
CN109390643A (en) * 2018-10-11 2019-02-26 南京宁智高新材料研究院有限公司 A kind of three-diemsnional electrode heating means being cold-started at low temperature for battery
CN111864158A (en) * 2019-04-30 2020-10-30 河北金力新能源科技股份有限公司 Coating method of lithium battery diaphragm, lithium battery diaphragm and lithium battery
CN113451586A (en) * 2021-05-27 2021-09-28 天津国安盟固利新材料科技股份有限公司 Electrode plate of secondary battery, secondary battery and preparation method of secondary battery

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