CN107195896A - A kind of preparation method that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle - Google Patents

A kind of preparation method that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle Download PDF

Info

Publication number
CN107195896A
CN107195896A CN201710222528.7A CN201710222528A CN107195896A CN 107195896 A CN107195896 A CN 107195896A CN 201710222528 A CN201710222528 A CN 201710222528A CN 107195896 A CN107195896 A CN 107195896A
Authority
CN
China
Prior art keywords
metal
silicon
nanometer
cathode material
conducting metal
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.)
Granted
Application number
CN201710222528.7A
Other languages
Chinese (zh)
Other versions
CN107195896B (en
Inventor
李婷
骆海立
范美强
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.)
China Jiliang University
Original Assignee
China Jiliang University
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 China Jiliang University filed Critical China Jiliang University
Priority to CN201710222528.7A priority Critical patent/CN107195896B/en
Publication of CN107195896A publication Critical patent/CN107195896A/en
Application granted granted Critical
Publication of CN107195896B publication Critical patent/CN107195896B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • H01M4/362—Composites
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The present invention relates to a kind of preparation method that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle, it is characterised in that：Using conducting metal nano particle as carrier, organosilicon hydrolyzation deposition silica, then mix with metal, low melting point salt, thermal reduction, coated polymer, washing and drying, acquisition silicium cathode material；Conducting metal nano particle is Nanometer Copper, Nano Silver, Nanoscale Iron, nanometer bismuth, nanometer tin, nano nickel, nanometer cobalt, nanometer indium, the one or more of nano-titanium；Reducing metal is the one or more in the alloy of lithium, potassium, calcium, rubidium, sodium, strontium, barium, lanthanum and above-mentioned metal；Low melting point salt is the one or more in gallium, germanium, tin, aluminium, the villaumite of magnesium, bromide and villiaumite；Polymer is the one or more in the derivative of polyaniline, polypyrrole, polythiophene and above-mentioned polymer；The mol ratio (1~5) of silicon and conducting metal: 1；Silicon：Reducing metal：The mol ratio of low melting point salt is 1: (2~5): (1~20)；The mol ratio of silicon and polymer precursor is (5~30): 1.The negative material has good chemical property, has good application prospect in field of lithium ion battery.

Description

A kind of preparation that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle Method
Technical field
The invention belongs to field of lithium ion battery material, and in particular to one kind is using conducting metal nano particle as carrier low temperature Synthesize the preparation method of silicium cathode material.
Background technology
The advantages of elemental silicon has storage lithium energy density height (theoretical capacity is up to 3580mA h/g), rich reserves, right and wrong Often there is the lithium ion battery negative material of application prospect.But Volume Changes are big during silicon has simple substance poorly conductive, removal lithium embedded Etc. defect, cause silicon can not extensive use because of chemical property difference.At present, scientific research personnel uses nano material, loose structure Alleviate alleviations Volume Changes, the conduction of increase silicon materials of the silicon in charge and discharge process with the method such as the carbon for being introduced into high conductivity Property, so as to improve the cycle performance of silicon materials.But nanosizing and loose structure result in the reduction of material volume specific energy density, and Its preparation method is generally complicated, and cost is high, limits its commercial applications.
SiOx materials are a kind of silicium cathode materials of better performances, are also a kind of current most widely used silicon materials.Reason Found by research, Li is embedded into SiOx, can form multiple compounds, these lithium silicon compounds turn into Si negative electrode volume expansions Buffer strip, suppresses the volumetric expansion of silicium cathode, so as to improve the cycle performance of SiOx materials.Patent 1 (CN105789577A, A kind of preparation method of lithium ion battery silicium cathode material and the silicium cathode material) to aoxidize sub- silicon as raw material, hydroxylating, mixed Close graphite, high-temperature calcination and obtain silicium cathode material, effectively increase the chemical property of silicium cathode material.Patent 2 (CN105406050A, one kind meets silicium cathode material, preparation method and purposes), using nano-silicon as raw material, passes through high temperature coated Si Oxide and metal composite layer, again high temperature coated with conductive carbon-coating；The silicium cathode material capacity is higher than 1500mAh/g, 300 circulations Capacity is maintained at more than 90% afterwards.
Obviously, the electrochemistry capacitance and cycle performance for improving SiOx are the passes for realizing SiOx electrode material commercial applications Key, current research also obtains gratifying achievement.But high-temperature calcination energy consumption is big and produces large quantity of exhaust gas pollution environment, virtually Add the preparation cost of SiOx electrode materials.
The content of the invention
Present invention aims at provide a kind of system that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle Preparation Method, overcomes the defect of existing technology of preparing, improves the chemical property of silicium cathode material.For achieving the above object, The technical scheme is that：A kind of preparation method that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle, It is characterized in that：Using conducting metal nano particle as carrier, organosilicon hydrolyzation deposition silica, then with metal, low melting point salt Mixing, thermal reduction, coated polymer, washing and drying obtain silicium cathode material；Conducting metal nano particle is Nanometer Copper, nanometer Silver, Nanoscale Iron, nanometer bismuth, nanometer tin, nano nickel, nanometer cobalt, nanometer indium, the one or more of nano-titanium；Reducing metal be lithium, One or more in potassium, calcium, rubidium, sodium, strontium, barium, the alloy of lanthanum and above-mentioned metal；Low melting point salt is gallium, germanium, tin, aluminium, magnesium Villaumite, bromide and villiaumite in one or more；Polymer is polyaniline, polypyrrole, polythiophene and above-mentioned polymer One or more in derivative；The mol ratio (1~5) of silicon and conducting metal: 1；Silicon: reducing metal: mole of low melting point salt Than for 1: (2~5): (1~20)；The mol ratio of silicon and polymer is (5~20): 1；One kind is using conducting metal nano particle as load The preparation method of body hypothermia synthesis silicium cathode material includes：
1) conductive nano-particles for weighing certain mass are dispersed in aqueous solutions of organic solvent, add surfactant, are surpassed 1~20h of sound；
Wherein, one kind or several of aldehydes, carboxylic acids, alcohols and above-mentioned organic matter derivative that organic solvent is C1~C8 Kind；The volume ratio of organic matter and water is (0.1~10): 1；
2) ethanol solution of organosilicon is instilled into step 1) product, stir 1~40h；Temperature control is at 10~100 DEG C；
Wherein, organosilicon is the one or more of esters of silicon acis, silane, silicon chloride, silicon bromide and above-mentioned organic matter derivative；
3) by step 2) product separation, drying, mixed with metal and low melting point salt, be put into container, vacuumize, close, 2~40h is placed at 200~500 DEG C；
4) by step 3) product input hydrochloric acid solution, impregnate 5~60h；Separation, deionized water washing, drying；
5) by step 4) product input alcohol water blend, add a certain amount of polymeric precursor, at the uniform velocity stir 2~5h； Then initiator is added, stirring, standing, filtering, vacuum drying obtain silicium cathode material.
Compared with other silicium cathode materials, patent of the present invention has the following advantages that：
1) silicium cathode material technology of the present invention is simple and convenient to operate, and is conducive to industrialized production.
2) silicium cathode material preparation condition of the present invention is gentle, and energy consumption is low.
3) present invention uses metal nanoparticle for carrier deposit Si oxide, improves the electric conductivity of silicon, network-like to lead Electric polymer provides enough spaces for silicium cathode expansion, so silicium cathode material prepared by the present invention has good electrochemistry Performance, 50mA electric currents, the charge/discharge capacity of material is more than 700mAh/g.
Embodiment
In order to further understand the content, features and effects of the present invention, it is as follows hereby to lift following examples detailed description：
Embodiment 1
A kind of composition design of silicium cathode material：
1) Nanometer Copper, 0.01mol；Tetraethyl orthosilicate, 0.02mol；Lithium metal, 0.04mol；Aluminium chloride, 0.04mol；Benzene Amine, 0.002mol；
2) Nano Silver, 0.01mol；Silicon tetrachloride, 0.02mol；Magnesium metal, 0.04mol；Lithium chloride, 0.06mol；Pyrroles, 0.003mol；
3) nanometer tin, 0.01mol；Dichlorosilane, 0.02mol；Metallic aluminium, 0.04mol；Calcirm-fluoride, 0.06mol；Pyrroles, 0.003mol；
A kind of preparation method that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle：
1) nano-metal particle for weighing certain mass is dispersed in ethanol water, adds Surfactant CTAB, is surpassed Sound 5h；The volume ratio of ethanol and water is 9: 1；
2) ethanol solution of organosilicon is instilled into step 1) product, stir 10h；Temperature control is at 40 DEG C；
3) by step 2) product separation, drying, mixed with metal and low melting point salt, be put into container, vacuumize, close, 15h is placed at 250 DEG C；
4) by step 3) product input hydrochloric acid solution, impregnate 5h；Separation, deionized water washing, drying, obtain SiOx/ Nano metal negative material；
5) by step 4) product input alcohol water blend, add a certain amount of polymeric precursor, at the uniform velocity stir 2~5h； Then initiator is added, stirring, standing, filtering, vacuum drying obtain silicium cathode material.
The silica-base material particle size is tiny, and loose structure is presented；During for negative electrode of lithium ion battery；After 100 circulations, 50mA discharge capacities are more than 700mAh/g.
Embodiment 2
A kind of composition design of silicium cathode material：
4) Nanometer Copper, 0.01mol；Silicon tetrachloride, 0.01mol；Lithium metal, 0.02mol；Aluminium chloride, 0.04mol；Aniline, 0.001mol；
5) Nanometer Copper, 0.01mol；Silicon tetrachloride, 0.03mol；Magnesium metal, 0.07mol；Lithium chloride, 0.06mol；Pyrroles, 0.002mol；
6) Nanometer Copper, 0.01mol；Silicon tetrachloride, 0.04mol；Metallic aluminium, 0.12mol；Magnesium bromide, 0.06mol；Aniline, 0.0015mol；
A kind of preparation method that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle：
1) nano-metal particle for weighing certain mass is dispersed in ethanol water, adds Surfactant CTAB, is surpassed Sound 10h；The volume ratio of ethanol and water is 5: 1；
2) ethanol solution of organosilicon is instilled into step 1) product, stir 5h；Temperature control is at 60 DEG C；
3) by step 2) product separation, drying, mixed with metal and low melting point salt, be put into container, vacuumize, close, 5h is placed at 300 DEG C；
4) by step 3) product input hydrochloric acid solution, impregnate 10h；Separation, deionized water washing, drying, obtain SiOx/ Nano metal negative material；
5) by step 4) product input alcohol water blend, add a certain amount of polymeric precursor, at the uniform velocity stir 2~5h； Then initiator is added, stirring, standing, filtering, vacuum drying obtain silicium cathode material.
The silica-base material particle size is tiny, and loose structure is presented；During for negative electrode of lithium ion battery；After 100 circulations, 50mA discharge capacities are more than 700mAh/g.
Embodiment 3
Be the same as Example 1 operates
A kind of composition design of silicium cathode material：
7) Nanoscale Iron, 0.01mol；Silicon tetrachloride, 0.01mol；Lithium metal, 0.02mol；Aluminium chloride, 0.04mol；Aniline, 0.001mol；
8) nano-titanium, 0.01mol；Silicon tetrachloride, 0.03mol；Magnesium metal, 0.07mol；Lithium chloride, 0.06mol；Pyrroles, 0.001mol；
9) Nanometer Copper, 0.01mol；Silicon tetrachloride, 0.04mol；Metal rubidium, 0.12mol；Magnesium bromide, 0.06mol；Poly- pair Chloroaniline, 0.001mol；
10) nano nickel, 0.01mol；Silicon tetrachloride, 0.01mol；Lithium metal, 0.02mol；Aluminium chloride, 0.04mol；Poly- neighbour Methylaniline, 0.001mol；
11) nanometer cobalt, 0.01mol；Silicon tetrachloride, 0.03mol；Magnesium metal, 0.07mol；Lithium chloride, 0.06mol；Between poly- 5-trifluoromethylaniline, 0.002mol；
12) nanometer indium, 0.01mol；Silicon tetrachloride, 0.04mol；Lanthanoid metal, 0.12mol；Magnesium bromide, 0.06mol；It is poly- (1- methylene -2- methyl naphthalenes)-N- pyrroles, 0.0015mol；
13) nanometer bismuth, 0.01mol；Silicon tetrachloride, 0.04mol；Metal rubidium, 0.12mol；Magnesium bromide, 0.06mol；Poly- 4- (N- ethyls -1,8- naphthalimide) N- pyrroles,
The silica-base material particle size is tiny, and loose structure is presented；During for negative electrode of lithium ion battery；After 100 circulations, 50mA discharge capacities are more than 700mAh/g.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (1)

1. a kind of preparation method that silicium cathode material is synthesized by carrier low temperature of conducting metal nano particle, it is characterised in that：With Conducting metal nano particle is carrier, organosilicon hydrolyzation deposition silica, then mix with metal, low melting point salt, thermal reduction, wrap Polymer is covered, washing and drying obtains silicium cathode material；Conducting metal nano particle is Nanometer Copper, Nano Silver, Nanoscale Iron, nanometer Bismuth, nanometer tin, nano nickel, nanometer cobalt, nanometer indium, the one or more of nano-titanium；Reducing metal be lithium, potassium, calcium, rubidium, sodium, One or more in strontium, barium, the alloy of lanthanum and above-mentioned metal；Low melting point salt is gallium, germanium, tin, aluminium, the villaumite of magnesium, bromide With the one or more in villiaumite；Polymer is one in the derivative of polyaniline, polypyrrole, polythiophene and above-mentioned polymer Plant or a variety of；The mol ratio (1~5) of silicon and conducting metal: 1；Silicon: reducing metal: the mol ratio of low melting point salt is 1: (2~5): (1~20)；The mol ratio of silicon and polymer precursor is (5~30): 1；One kind is using conducting metal nano particle as carrier low temperature The preparation method of synthesis silicium cathode material includes：
1) conductive nano-particles for weighing certain mass are dispersed in aqueous solutions of organic solvent, addition surfactant, and ultrasound 1~ 20h；Wherein, the one or more of aldehydes, carboxylic acids, alcohols and above-mentioned organic matter derivative that organic solvent is C1~C8；Have The volume ratio of machine thing and water is (0.1~10): 1；
2) ethanol solution of organosilicon is instilled into step 1) product, stir 1~40h；Temperature control is at 10~100 DEG C；Wherein, Organosilicon is the one or more of esters of silicon acis, silane, silicon chloride, silicon bromide and above-mentioned organic matter derivative；
3) by step 2) product separation, drying, mixed with metal and low melting point salt, be put into container, vacuumize, close, 200 ~500 DEG C of 2~40h of placement；
4) by step 3) product input hydrochloric acid solution, impregnate 5~60h；Separation, deionized water washing, drying；
5) by step 4) product input alcohol water blend, add a certain amount of polymeric precursor, at the uniform velocity stir 2~5h；Then Initiator is added, stirring, standing, filtering, vacuum drying obtain silicium cathode material.
CN201710222528.7A 2017-04-06 2017-04-06 A kind of preparation method synthesizing silicium cathode material using conductive metal nano particle as carrier low temperature Expired - Fee Related CN107195896B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710222528.7A CN107195896B (en) 2017-04-06 2017-04-06 A kind of preparation method synthesizing silicium cathode material using conductive metal nano particle as carrier low temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710222528.7A CN107195896B (en) 2017-04-06 2017-04-06 A kind of preparation method synthesizing silicium cathode material using conductive metal nano particle as carrier low temperature

Publications (2)

Publication Number Publication Date
CN107195896A true CN107195896A (en) 2017-09-22
CN107195896B CN107195896B (en) 2019-09-17

Family

ID=59871417

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710222528.7A Expired - Fee Related CN107195896B (en) 2017-04-06 2017-04-06 A kind of preparation method synthesizing silicium cathode material using conductive metal nano particle as carrier low temperature

Country Status (1)

Country Link
CN (1) CN107195896B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321368A (en) * 2017-12-28 2018-07-24 合肥国轩高科动力能源有限公司 A kind of polymer overmold silicon/lithium metasilicate negative material and preparation method thereof
CN108847478A (en) * 2018-06-04 2018-11-20 安徽潜川动力锂电科技有限公司 A kind of lithium battery silicon-carbon nano composite anode material and preparation method thereof
CN109817925A (en) * 2019-01-24 2019-05-28 广东凯金新能源科技股份有限公司 Lithium ion secondary battery Si oxide composite negative pole material and preparation method
CN109860507A (en) * 2018-12-03 2019-06-07 中国计量大学 A kind of foam conductive net/silica preparation facilities and control method
CN111085186A (en) * 2018-10-23 2020-05-01 中国石油化工股份有限公司 Regular carrier catalyst with desulfurization effect and preparation and application thereof
CN111085197A (en) * 2018-10-23 2020-05-01 中国石油化工股份有限公司 Regular carrier catalyst with desulfurization effect and preparation and application thereof
CN111085256A (en) * 2018-10-24 2020-05-01 中国石油化工股份有限公司 Regular carrier catalyst with desulfurization effect and preparation and application thereof
CN111952591A (en) * 2018-05-04 2020-11-17 纪田贤慧 Aerogel doped polythiophene battery additive and preparation method thereof
CN112234183A (en) * 2020-10-14 2021-01-15 中国计量大学 Preparation method for in-situ synthesis of conductive metal/silicon/polymer-based negative electrode material
CN115863660A (en) * 2022-12-09 2023-03-28 江苏正力新能电池技术有限公司 Negative current collector of negative-electrode-free lithium battery and preparation method and application thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1765024A (en) * 2003-03-26 2006-04-26 佳能株式会社 Electrode material for lithium secondary battery and electrode structure having the electrode material
CN1903793A (en) * 2005-07-26 2007-01-31 中国科学院物理研究所 Carbon silicon composite material, its preparation method and use
CN102616785A (en) * 2011-10-27 2012-08-01 内蒙古神舟硅业有限责任公司 Method for preparing nano-silicon powder particles by reducing silicon tetrachloride with zinc
CN103367726A (en) * 2013-07-10 2013-10-23 奇瑞汽车股份有限公司 Silicon-carbon composite material and preparation method thereof as well as lithium ion battery
CN105084365A (en) * 2015-07-17 2015-11-25 中国科学技术大学 Preparation method for silicon nano material and application
CN105244509A (en) * 2015-11-17 2016-01-13 天津市捷威动力工业有限公司 Metal conductive agent and lithium ion battery using conductive agent
CN105336934A (en) * 2015-11-21 2016-02-17 中国计量学院 Preparation method of silicon electrode composite material

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1765024A (en) * 2003-03-26 2006-04-26 佳能株式会社 Electrode material for lithium secondary battery and electrode structure having the electrode material
CN1903793A (en) * 2005-07-26 2007-01-31 中国科学院物理研究所 Carbon silicon composite material, its preparation method and use
CN102616785A (en) * 2011-10-27 2012-08-01 内蒙古神舟硅业有限责任公司 Method for preparing nano-silicon powder particles by reducing silicon tetrachloride with zinc
CN103367726A (en) * 2013-07-10 2013-10-23 奇瑞汽车股份有限公司 Silicon-carbon composite material and preparation method thereof as well as lithium ion battery
CN105084365A (en) * 2015-07-17 2015-11-25 中国科学技术大学 Preparation method for silicon nano material and application
CN105244509A (en) * 2015-11-17 2016-01-13 天津市捷威动力工业有限公司 Metal conductive agent and lithium ion battery using conductive agent
CN105336934A (en) * 2015-11-21 2016-02-17 中国计量学院 Preparation method of silicon electrode composite material

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321368A (en) * 2017-12-28 2018-07-24 合肥国轩高科动力能源有限公司 A kind of polymer overmold silicon/lithium metasilicate negative material and preparation method thereof
CN108321368B (en) * 2017-12-28 2020-07-17 合肥国轩高科动力能源有限公司 Polymer-coated silicon/lithium metasilicate negative electrode material and preparation method thereof
CN111952591A (en) * 2018-05-04 2020-11-17 纪田贤慧 Aerogel doped polythiophene battery additive and preparation method thereof
CN111952591B (en) * 2018-05-04 2023-08-29 浙理氢能(杭州)科技有限公司 Aerogel doped polythiophene battery additive and preparation method thereof
CN108847478A (en) * 2018-06-04 2018-11-20 安徽潜川动力锂电科技有限公司 A kind of lithium battery silicon-carbon nano composite anode material and preparation method thereof
CN111085186A (en) * 2018-10-23 2020-05-01 中国石油化工股份有限公司 Regular carrier catalyst with desulfurization effect and preparation and application thereof
CN111085197A (en) * 2018-10-23 2020-05-01 中国石油化工股份有限公司 Regular carrier catalyst with desulfurization effect and preparation and application thereof
CN111085256A (en) * 2018-10-24 2020-05-01 中国石油化工股份有限公司 Regular carrier catalyst with desulfurization effect and preparation and application thereof
CN109860507A (en) * 2018-12-03 2019-06-07 中国计量大学 A kind of foam conductive net/silica preparation facilities and control method
CN109860507B (en) * 2018-12-03 2022-01-28 中国计量大学 Foam conductive net/silicon dioxide preparation device and control method
CN109817925A (en) * 2019-01-24 2019-05-28 广东凯金新能源科技股份有限公司 Lithium ion secondary battery Si oxide composite negative pole material and preparation method
CN112234183A (en) * 2020-10-14 2021-01-15 中国计量大学 Preparation method for in-situ synthesis of conductive metal/silicon/polymer-based negative electrode material
CN115863660A (en) * 2022-12-09 2023-03-28 江苏正力新能电池技术有限公司 Negative current collector of negative-electrode-free lithium battery and preparation method and application thereof
CN115863660B (en) * 2022-12-09 2024-05-17 江苏正力新能电池技术有限公司 Negative electrode current collector of non-negative electrode lithium battery and preparation method and application thereof

Also Published As

Publication number Publication date
CN107195896B (en) 2019-09-17

Similar Documents

Publication Publication Date Title
CN107195896B (en) A kind of preparation method synthesizing silicium cathode material using conductive metal nano particle as carrier low temperature
Sun et al. Controllable one step electrochemical synthesis of PANI encapsulating 3d-4f bimetal MOFs heterostructures as electrode materials for high-performance supercapacitors
CN107195904B (en) A kind of silicon electrode material preparation method of core-shell structure
CN102044666B (en) Method for preparing lithium iron phosphate composite material for lithium cells
CN107195871A (en) A kind of preparation method that SiOx/C negative materials are synthesized by carrier low temperature of carbon material
CN109244427B (en) Preparation method of carbon-coated zinc sulfide loaded graphene as potassium ion battery cathode
CN107180964A (en) A kind of microwave method prepares method and the application of blended metal oxide/graphene composite nano material
CN105883940B (en) Preparation method of block NiS2 and application of block NiS2 to sodium-ion battery
CN108054020B (en) Preparation method and application of nitrogen-doped carbon particle/graphitized carbon-nitrogen composite material
CN109301204B (en) Preparation method of hollow sphere structure tin sulfide/tin oxide lithium ion battery anode material
CN107230558B (en) Fe3O4Preparation method of/graphene composite material
CN103130276B (en) Preparation method of cadmium vanadate nanorods
CN105206815B (en) A kind of carbon coating Li4Ti5O12‑TiO2/ Sn nano composite materials and its preparation and application
CN105047919B (en) Preparation method of lithium iron phosphate battery positive electrode material
CN105552336A (en) Hydrothermal method synthesized MnO2/NCNTs nanocomposite and preparation method thereof
CN1649189A (en) Method for preparing carbon coated lithium ferrous phosphate composite material including metal conductive agent
CN1822415A (en) Nano composite lithium ion cell cathode material and its preparing method
CN105406071A (en) High-rate lithium vanadium phosphate positive electrode material, and preparation method and application thereof
CN105098152B (en) A kind of preparation method of lithium iron phosphate battery positive material
CN109671952B (en) Microcrystalline graphene-based composite conductive slurry for lithium battery and preparation method thereof
CN105590756B (en) A kind of preparation method of micro/nano-scale graphene/lithium titanate composite anode material
CN102208605B (en) Method for preparing tin-carbon nano composite electrode material
CN105948108B (en) A kind of sodium lithium titanate nano wire and preparation method thereof
CN106449181B (en) A kind of preparation method of polypyrrole/graphene/tin dioxide composite material
CN106449182B (en) A kind of preparation method of polyaniline/graphene/tin dioxide composite material

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190917

Termination date: 20200406