CN106784597A - A kind of preparation method of lithium ion cell electrode piece - Google Patents

A kind of preparation method of lithium ion cell electrode piece Download PDF

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Publication number
CN106784597A
CN106784597A CN201611174388.2A CN201611174388A CN106784597A CN 106784597 A CN106784597 A CN 106784597A CN 201611174388 A CN201611174388 A CN 201611174388A CN 106784597 A CN106784597 A CN 106784597A
Authority
CN
China
Prior art keywords
parts
electrode piece
lithium ion
preparation
ion cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611174388.2A
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Chinese (zh)
Inventor
王海波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Gerui Dynamic Power Technology Co Ltd
Original Assignee
Suzhou Gerui Dynamic Power Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Gerui Dynamic Power Technology Co Ltd filed Critical Suzhou Gerui Dynamic Power Technology Co Ltd
Priority to CN201611174388.2A priority Critical patent/CN106784597A/en
Publication of CN106784597A publication Critical patent/CN106784597A/en
Priority to PCT/CN2017/110311 priority patent/WO2018113438A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • 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

Abstract

The invention discloses a kind of preparation method of lithium ion cell electrode piece, it is characterised in that comprise the following steps：1）By weight, slurry uniformly will be mixed to get in 10 ~ 20 parts of lithium dihydrogen phosphate, 5 ~ 7 parts of vanadium trioxide, 30 ~ 50 parts of ammonium dihydrogen phosphate, 50 ~ 100 parts of glucose, 20 ~ 30 parts of ECP600 and 100 ~ 200 parts of addition ball mills of absolute ethyl alcohol；2）Above-mentioned slurry is spray-dried, powder is obtained；3）Powder is tabletted, obtain compressing tablet；4）Compressing tablet is carried out into high temperature baking, 1000 ~ 1500 DEG C of temperature, roasting time is 6 ~ 12h, obtains product.Battery electrode piece performance prepared by a kind of preparation method of lithium ion cell electrode piece of the present invention is excellent, and preparation process is simple, low cost.

Description

A kind of preparation method of lithium ion cell electrode piece
Technical field
The present invention relates to a kind of preparation method of lithium ion cell electrode piece.
Background technology
The energy-storage battery traditional with other is compared, lithium ion battery have high-energy/power density, environmental pollution it is small, The advantages of long service life, compact power has been widely used as it.With the further investigation to these materials and technique increasingly Maturation, the application field of lithium ion battery is more broad, has been not content with and has been applied to small electronic product such as notebook computer etc., Their superior performances are also gradually shown on the large-scale power supply such as power vehicle.With large-sized power lithium battery key technology not Disconnected to solve, the application field of lithium ion battery will also be widened further.
Usually, lithium ion battery electrode material is lithium ferrum sulfide, and the lithium ion cell electrode piece for preparing is present Cyclical stability difference and the low defect of charge/discharge capacity.
The content of the invention
It is an object of the invention to provide a kind of preparation method of lithium ion cell electrode piece, it is intended to solve the above problems.
To achieve these goals, the technical scheme is that designing a kind of preparation side of lithium ion cell electrode piece Method, it is characterised in that comprise the following steps：
1）By weight, by 10 ~ 20 parts of lithium dihydrogen phosphate, 5 ~ 7 parts of vanadium trioxide, 30 ~ 50 parts of ammonium dihydrogen phosphate, glucose 50 Uniformly slurry is mixed to get in ~ 100 parts, 20 ~ 30 parts of ECP600 and 100 ~ 200 parts of addition ball mills of absolute ethyl alcohol；
2）Above-mentioned slurry is spray-dried, powder is obtained；
3）Powder is tabletted, obtain compressing tablet；
4）Compressing tablet is carried out into high temperature baking, 1000 ~ 1500 DEG C of temperature, roasting time is 6 ~ 12h, obtains product.
The advantages of the present invention are：Carbon amounts of the invention is few.Organic carbon source is in vanadium phosphate in preparation process " original position " cracking during lithium nucleating growth, it is suppressed that the undue growth of particle, while the carbon bag formed on material granule surface Coating, obtains more preferable covered effect.What the present invention was used is organic dispersing agent, while cost is considered, what the present invention was selected Dispersant is absolute ethyl alcohol.
Specific embodiment
With reference to embodiment, specific embodiment of the invention is further described.Following examples are only used for more Plus technical scheme is clearly demonstrated, and can not be limited the scope of the invention with this.
Embodiment：
A kind of lithium ion cell electrode piece, it is characterised in that comprise the following steps：
1）By weight, by 20 parts of lithium dihydrogen phosphate, 7 parts of vanadium trioxide, 50 parts of ammonium dihydrogen phosphate, 50 parts of glucose, Uniformly slurry is mixed to get in 30 parts of ECP600 and 100 parts of addition ball mills of absolute ethyl alcohol；
2）Above-mentioned slurry is spray-dried, powder is obtained；
3）Powder is tabletted, obtain compressing tablet；
4）Compressing tablet is carried out into high temperature baking, 1000 DEG C of temperature, roasting time is 10h, obtains product.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, on the premise of the technology of the present invention principle is not departed from, some improvements and modifications can also be made, these improvements and modifications Also should be regarded as protection scope of the present invention.

Claims (2)

1. a kind of preparation method of lithium ion cell electrode piece, it is characterised in that comprise the following steps：
1）By weight, by 10 ~ 20 parts of lithium dihydrogen phosphate, 5 ~ 7 parts of vanadium trioxide, 30 ~ 50 parts of ammonium dihydrogen phosphate, glucose 50 Uniformly slurry is mixed to get in ~ 100 parts, 20 ~ 30 parts of ECP600 and 100 ~ 200 parts of addition ball mills of absolute ethyl alcohol；
2）Above-mentioned slurry is spray-dried, powder is obtained；
3）Powder is tabletted, obtain compressing tablet；
4）Compressing tablet is carried out into high temperature baking, 1000 ~ 1500 DEG C of temperature, roasting time is 6 ~ 12h, obtains product.
2. a kind of lithium ion cell electrode piece according to claim 1, it is characterised in that comprise the following steps：
1）By weight, by 20 parts of lithium dihydrogen phosphate, 7 parts of vanadium trioxide, 50 parts of ammonium dihydrogen phosphate, 50 parts of glucose, Uniformly slurry is mixed to get in 30 parts of ECP600 and 100 parts of addition ball mills of absolute ethyl alcohol；
2）Above-mentioned slurry is spray-dried, powder is obtained；
3）Powder is tabletted, obtain compressing tablet；
4）Compressing tablet is carried out into high temperature baking, 1000 DEG C of temperature, roasting time is 10h, obtains product.
CN201611174388.2A 2016-12-19 2016-12-19 A kind of preparation method of lithium ion cell electrode piece Pending CN106784597A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201611174388.2A CN106784597A (en) 2016-12-19 2016-12-19 A kind of preparation method of lithium ion cell electrode piece
PCT/CN2017/110311 WO2018113438A1 (en) 2016-12-19 2017-11-10 Preparation method for electrode slice of lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611174388.2A CN106784597A (en) 2016-12-19 2016-12-19 A kind of preparation method of lithium ion cell electrode piece

Publications (1)

Publication Number Publication Date
CN106784597A true CN106784597A (en) 2017-05-31

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Family Applications (1)

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CN201611174388.2A Pending CN106784597A (en) 2016-12-19 2016-12-19 A kind of preparation method of lithium ion cell electrode piece

Country Status (2)

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CN (1) CN106784597A (en)
WO (1) WO2018113438A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018113438A1 (en) * 2016-12-19 2018-06-28 苏州格瑞动力电源科技有限公司 Preparation method for electrode slice of lithium ion battery
CN108987666A (en) * 2018-06-29 2018-12-11 成都三乙医疗科技有限公司 A kind of battery electrode piece preparation method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105789597A (en) * 2016-05-05 2016-07-20 天津巴莫科技股份有限公司 Preparation method of lithium vanadium phosphate cathode material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009043729A2 (en) * 2007-10-01 2009-04-09 Basf Se Process for the preparation of porous lithium-, vanadium and phosphate-comprising materials
EP2212247B1 (en) * 2007-10-01 2013-07-17 Basf Se Process for the preparation of crystalline lithium-, vanadium- and phosphate-comprising materials
WO2012051280A2 (en) * 2010-10-12 2012-04-19 The Research Foundation Of State University Of New York Composite electrodes, methods of making, and uses thereof
CN104134779A (en) * 2014-03-27 2014-11-05 合肥国轩高科动力能源股份公司 High voltage lithium ion battery positive pole piece and preparation method thereof
CN105449164A (en) * 2014-09-24 2016-03-30 中国科学院大连化学物理研究所 Cathode material for lithium vanadium phosphate battery and preparation and application thereof
CN106784597A (en) * 2016-12-19 2017-05-31 苏州格瑞动力电源科技有限公司 A kind of preparation method of lithium ion cell electrode piece

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105789597A (en) * 2016-05-05 2016-07-20 天津巴莫科技股份有限公司 Preparation method of lithium vanadium phosphate cathode material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018113438A1 (en) * 2016-12-19 2018-06-28 苏州格瑞动力电源科技有限公司 Preparation method for electrode slice of lithium ion battery
CN108987666A (en) * 2018-06-29 2018-12-11 成都三乙医疗科技有限公司 A kind of battery electrode piece preparation method

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Publication number Publication date
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Application publication date: 20170531

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