CN110112370A - A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing - Google Patents

A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing Download PDF

Info

Publication number
CN110112370A
CN110112370A CN201910532902.2A CN201910532902A CN110112370A CN 110112370 A CN110112370 A CN 110112370A CN 201910532902 A CN201910532902 A CN 201910532902A CN 110112370 A CN110112370 A CN 110112370A
Authority
CN
China
Prior art keywords
combination electrode
printing
self
graphene
silicon
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
CN201910532902.2A
Other languages
Chinese (zh)
Inventor
尹鸽平
木天胜
左朋建
娄帅锋
马玉林
杜春雨
程新群
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.)
Harbin Institute of Technology
Original Assignee
Harbin Institute of Technology
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 Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201910532902.2A priority Critical patent/CN110112370A/en
Publication of CN110112370A publication Critical patent/CN110112370A/en
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • H01M4/134—Electrodes based on metals, Si or alloys
    • 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
    • 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
    • H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
    • 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
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • 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
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Self-supporting silicon-graphene combination electrode preparation method based on 3D printing that the invention discloses a kind of, described method includes following steps: (1) based on silica-base material and graphene oxide, binder is added, prepares uniformly printable ink；(2) combination electrode is printed using squash type 3D printer；(3) combination electrode is dried and reduction treatment, obtains self-supporting silicon-graphene combination electrode.Silicon-graphene combination electrode prepared by the present invention possesses a large amount of graded porous structure, can effectively buffer the volume expansion of silica-base material, while improving lithium ion and electronics transmission rate in the electrodes.The preparation method has the characteristics that preparation simple, structure-controllable, low in cost, has broad application prospects.

Description

A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing
Technical field
The invention belongs to field of lithium ion battery, are related to a kind of preparation method of self-supporting silicon-graphene combination electrode, tool Body is related to a kind of compound based on squash type 3D printing technique preparation high conductivity, porous self-supporting graphene-silicon of stable structure The method of electrode.
Background technique
Continuous with New-energy electric vehicle is popularized, and people propose higher want to the energy density of lithium ion battery It asks.For lithium ion battery negative material, the energy density of commercialized graphite material has been difficult to meet the requirements, development The negative electrode material of novel high-energy metric density is extremely urgent.Silica-base material is a kind of cathode material of ideal alternative graphite Material, high, cheap, the highly-safe, advantages of environment protection with theoretical capacity.However, silica-base material is in charge and discharge Serious volume change is faced, electrode dusting is caused and is detached from collector, at the same time, unstable SEI film will be repeatedly It is formed and consumes a large amount of active lithium-ion.In addition, the electron conduction of silicon is excessively poor.These problems result in silica-base material difference Chemical property.
In recent years, 3D printing technique is as a kind of emerging material and device technology of preparing, because it is in electronics, aviation, doctor The potential application in etc. fields, and be concerned.It is applied currently, 3D printing has begun in new energy field.Based on crowded The 3D printing technique of pressure type provides technical support to design pole piece structure on electrode dimensions.For silica-base material, rationally Electrode structural designs can be effectively improved its chemical property, the features such as the simple of 3D printing, controllable precise is it in silicon substrate Huge application prospect is shown in terms of the electrode design of material.
Summary of the invention
Self-supporting silicon-graphene combination electrode preparation method based on 3D printing that the object of the present invention is to provide a kind of, Self-supporting electrode prepared by this method has porous structure and excellent electric conductivity, and preparation method is simple, controllability is high, Have great importance to the industrial application of silica-base material.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing, the method is with silica-base material, oxidation Graphene and binder are the ink that raw material preparation is suitble to printing, and then making to computerized control prints answering for porous structure Pole piece is closed, reduction treatment is finally carried out.Specific implementation step is as follows:
(1) based on silica-base material and graphene oxide, binder is added, prepares uniformly printable ink, in which: silicon substrate The mass ratio of material and graphene oxide is between 1 ~ 10:1 ~ 10, and the mass ratio of binder and silicon materials is between 1:1 ~ 5；
(2) squash type 3D printer is utilized, the high carrying capacity combination electrode of certain structure is printed；
(3) combination electrode is dried and reduction treatment, the self-supporting silicon-graphene compound electric being had excellent performance Pole.
In the present invention, the silica-base material includes elementary silicon material or silica material.
In the present invention, the concentration of the graphene oxide is between 20 ~ 100mg/ml.
In the present invention, the binder includes polyacrylic acid, sodium carboxymethylcellulose, sodium alginate, polyvinyl alcohol, the third three One of alcohol, ethylene glycol, PEDOS, PSS.
In the present invention, certain structure is the structure of stacked in multi-layers printing.
In the present invention, the diameter of the pressure type 3D printing syringe needle is between 100 ~ 400 μm.
In the present invention, the high carrying capacity of silica-base material is in 1 ~ 15mg/cm in the high carrying capacity combination electrode2Between.
In the present invention, described be dried includes that heat treatment is dried and frozen dry two kinds of processing modes.
In the present invention, the reduction treatment includes thermal reduction processing and chemical method reduction treatment two ways.
In the present invention, the temperature of the thermal reduction processing is between 500 ~ 900 DEG C, and the recovery time is between 2 ~ 5 hours.
Compared with the prior art, the present invention has the advantage that
1, silicon-graphene combination electrode prepared by the present invention possesses a large amount of graded porous structure, can effectively buffer silicon The volume expansion of sill, while improving lithium ion and electronics transmission rate in the electrodes；
2, it using graphene as framework material in silicon-graphene combination electrode prepared by the present invention, can effectively improve entire The electric conductivity of electrode；The pyrolytic carbon that binder is formed, which is coated on silica-base material surface, can further buffer the volume change of silicon, Contact of the silica-base material with electrolyte can be also reduced simultaneously, advantageously forms stable SEI film；
3, the present invention prepares self-supporting silicon-graphene combination electrode of high-energy density, the preparation method using 3D printing technique Have the characteristics that preparation simple, structure-controllable, low in cost, has broad application prospects.
Detailed description of the invention
Fig. 1 is unreduced pole piece photo after printing；
Fig. 2 is self-supporting silicon-graphene pole piece after thermal reduction；
Fig. 3 is the SEM picture in pole piece section after thermal reduction；
Fig. 4 is first charge-discharge curve of the obtained pole piece of embodiment 1 at 100mA/g.
Specific embodiment
Below with reference to embodiment, further description of the technical solution of the present invention, and however, it is not limited to this, all right Technical solution of the present invention is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be contained Lid is within the protection scope of the present invention.
Embodiment 1
In the present embodiment, self-supporting silicon-graphene combination electrode based on 3D printing is prepared via a method which:
(1) choosing median particle diameter is the nano silicon particles of 50 ~ 80 nm as silicon source, and the 1g nano-silicon is taken to be scattered in 20ml concentration In graphene oxide water solution for 50 mg/ml, ultrasonic disperse 2 hours, 1g polyacrylic acid is then added, slurry is placed on and is stirred It mixes and is stirred 10 hours on device, obtain finely dispersed ink.
(2) ink of above-mentioned preparation is added in the cavity of squash type 3D printer, adjusts pressure, until reaching suitable Discharging speed different layers of electrodes are printed on the substrate of glass using 200 μm of printing syringe needle.
(3) printed electrode is put into freeze drier to 24 hours dry pole piece digital photograph such as Fig. 1 after freezing It is shown, it is then placed in tube furnace and heats, 600 DEG C/2h, use Ar as protection gas, after temperature drops to room temperature, can be obtained certainly Silicon-graphene combination electrode of support, as shown in Figure 2.
The filament that the macroporous structure and printer head that pole piece printing can be clearly visible from Fig. 1 and Fig. 2 squeeze out.Figure 3 be the cross-section diagram of pole piece after reduction, can will become apparent from stacked in multi-layers structure from Fig. 3, electrode shares four layers in figure.Fig. 4 be First charge-discharge curve under 100 mA/g current densities, coulombic efficiency is 70% or so for the first time.
Embodiment 2
In the present embodiment, self-supporting silicon-graphene combination electrode based on 3D printing is prepared via a method which:
(1) silicon monoxide of the median particle diameter between 800nm ~ 1 μm is chosen as silicon source, and the 1g silicon monoxide is taken to be scattered in 20ml Concentration is ultrasonic disperse 5 hours in the graphene oxide water solution of 40mg/ml, and 0.5g sodium carboxymethylcellulose, machine is then added Tool stirs 12 hours, obtains uniform ink.
(2) ink obtained above is added in the cavity of squash type 3D printer, using 300 μm of diameter of syringe needles into Then pole piece is put into freeze drier 24 hours dry by row printing.
(3) pole piece after drying process is put into tube furnace and is heat-treated, 800 DEG C of reduction temperature, the recovery time 1 is small When.After dropping to room temperature, silicon-graphene combination electrode of self-supporting can be obtained.

Claims (10)

1. a kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing, it is characterised in that the method packet Include following steps:
(1) based on silica-base material and graphene oxide, binder is added, prepares uniformly printable ink, in which: silicon substrate The mass ratio of material and graphene oxide is between 1 ~ 10:1 ~ 10, and the mass ratio of binder and silicon materials is between 1:1 ~ 5；
(2) combination electrode is printed using squash type 3D printer；
(3) combination electrode is dried and reduction treatment, obtains self-supporting silicon-graphene combination electrode.
2. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature It is that the silica-base material is elementary silicon material or silica material.
3. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature It is the concentration of the graphene oxide between 20 ~ 100mg/ml.
4. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature Be the binder include polyacrylic acid, sodium carboxymethylcellulose, sodium alginate, polyvinyl alcohol, glycerine, ethylene glycol, One of PEDOS, PSS.
5. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature It is that the combination electrode has the structure of stacked in multi-layers printing.
6. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature It is the diameter of the squash type 3D printing syringe needle between 100 ~ 400 μm.
7. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature It is the carrying capacity of silica-base material in the combination electrode in 1 ~ 15mg/cm2Between.
8. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature It is described be dried as heat treatment drying or freeze-drying.
9. self-supporting silicon-graphene combination electrode preparation method according to claim 1 based on 3D printing, feature It is the reduction treatment for thermal reduction processing or chemical method reduction treatment.
10. self-supporting silicon-graphene combination electrode preparation method according to claim 9 based on 3D printing, special Sign is the temperature of the thermal reduction processing between 500 ~ 900 DEG C, and the recovery time is between 2 ~ 5 hours.
CN201910532902.2A 2019-06-19 2019-06-19 A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing Pending CN110112370A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910532902.2A CN110112370A (en) 2019-06-19 2019-06-19 A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910532902.2A CN110112370A (en) 2019-06-19 2019-06-19 A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing

Publications (1)

Publication Number Publication Date
CN110112370A true CN110112370A (en) 2019-08-09

Family

ID=67495503

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910532902.2A Pending CN110112370A (en) 2019-06-19 2019-06-19 A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing

Country Status (1)

Country Link
CN (1) CN110112370A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111477843A (en) * 2020-04-14 2020-07-31 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 3D printing positive electrode material, and preparation method and application thereof
CN111525094A (en) * 2020-04-29 2020-08-11 武汉理工大学 Method for preparing self-supporting high-load carbon-based material/sulfur composite lithium-sulfur battery positive electrode through 3D printing
CN114023947A (en) * 2021-11-05 2022-02-08 四川大学 3D printing three-dimensional zinc cathode and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105200261A (en) * 2015-10-26 2015-12-30 三峡大学 There-dimensional spatial ordered-structure graphite/aluminum composite material and preparation method thereof
CN106099128A (en) * 2016-07-05 2016-11-09 深圳大学 A kind of three-dimensional lithium battery manufacture method
CN106751587A (en) * 2016-12-28 2017-05-31 深圳市明鑫高分子技术有限公司 Graphene 3D printing material and preparation method thereof
CN106783231A (en) * 2016-12-30 2017-05-31 尹宗杰 3D printing Graphene nonmetallic composite, preparation method and application
CN107204438A (en) * 2016-03-17 2017-09-26 国家纳米科学中心 A kind of carbon-silicon composite material and its production and use
CN109285995A (en) * 2017-07-21 2019-01-29 北京碳极极电科技有限公司 A kind of preparation method of graphene lithium ion battery anode material
US20190103600A1 (en) * 2017-10-03 2019-04-04 California Institute Of Technology Three-Dimensional Architected Pyrolyzed Electrodes for Use in Secondary Batteries and Methods of Making Three-Dimensional Architected Electrodes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105200261A (en) * 2015-10-26 2015-12-30 三峡大学 There-dimensional spatial ordered-structure graphite/aluminum composite material and preparation method thereof
CN107204438A (en) * 2016-03-17 2017-09-26 国家纳米科学中心 A kind of carbon-silicon composite material and its production and use
CN106099128A (en) * 2016-07-05 2016-11-09 深圳大学 A kind of three-dimensional lithium battery manufacture method
CN106751587A (en) * 2016-12-28 2017-05-31 深圳市明鑫高分子技术有限公司 Graphene 3D printing material and preparation method thereof
CN106783231A (en) * 2016-12-30 2017-05-31 尹宗杰 3D printing Graphene nonmetallic composite, preparation method and application
CN109285995A (en) * 2017-07-21 2019-01-29 北京碳极极电科技有限公司 A kind of preparation method of graphene lithium ion battery anode material
US20190103600A1 (en) * 2017-10-03 2019-04-04 California Institute Of Technology Three-Dimensional Architected Pyrolyzed Electrodes for Use in Secondary Batteries and Methods of Making Three-Dimensional Architected Electrodes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王印成: "《我国智慧城市建设和人工智能的发展》", 31 May 2018, 北京：经济日报出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111477843A (en) * 2020-04-14 2020-07-31 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 3D printing positive electrode material, and preparation method and application thereof
CN111477843B (en) * 2020-04-14 2022-09-20 江西省纳米技术研究院 3D printing positive electrode material, and preparation method and application thereof
CN111525094A (en) * 2020-04-29 2020-08-11 武汉理工大学 Method for preparing self-supporting high-load carbon-based material/sulfur composite lithium-sulfur battery positive electrode through 3D printing
CN114023947A (en) * 2021-11-05 2022-02-08 四川大学 3D printing three-dimensional zinc cathode and preparation method thereof

Similar Documents

Publication Publication Date Title
CN109273680B (en) Porous silicon-carbon negative electrode material, preparation method thereof and lithium ion battery
CN109524648B (en) Porous carbon nanofiber flexible battery material containing nano-silicon and preparation method thereof
CN103346304B (en) Tin-carbon composite material for lithium secondary battery negative electrode and preparation method thereof
CN108281634A (en) A kind of method and its application of graphene coated graphite negative material of lithium ion battery
CN103346303A (en) Silicon-carbon composite material and preparation method thereof, and lithium ion battery
CN103531760A (en) Porous silicon carbon composite microsphere with yolk-eggshell structure and preparation method therefor
CN110224125A (en) A kind of porous carbon-nanometer silico-carbo Core-shell structure material and preparation method thereof
CN110112370A (en) A kind of self-supporting silicon-graphene combination electrode preparation method based on 3D printing
CN102694155A (en) Silicon-carbon composite material, preparation method thereof and lithium ion battery employing same
CN106654272A (en) Method for preparing three-dimensional porous nanostructured carbon material
CN102800851A (en) Silicon carbon composite material and preparation method thereof, lithium ion battery containing same
CN103165862A (en) High-performance negative material of lithium ion cell and preparation method of material
CN108183200A (en) A kind of preparation method of the sub- silicon based anode material of oxidation for lithium ion battery
CN103367726A (en) Silicon-carbon composite material and preparation method thereof as well as lithium ion battery
CN110042503B (en) MoSe2@ C electrospun hollow nanofiber and preparation method and application thereof
CN107317011A (en) A kind of preparation method of the ordered porous carbon coating silicon nano composite material of N doping
CN109473658A (en) A kind of its lithium ion battery of the preparation method and application of lithium ion battery negative material
CN104091952A (en) Novel negative electrode material for lithium ion battery and preparation method of negative electrode material
CN109378457A (en) A kind of high compacted density porous silicon chip/carbon compound cathode materials and preparation method
CN114447291B (en) Self-supporting ferric trifluoride-carbon nanofiber anode material and preparation method thereof
CN112768672A (en) Method for preparing graphite-based Si @ C negative electrode material by taking micro silicon powder as Si source
Liu et al. High-performance LiFePO4 and SiO@ C/graphite interdigitated full lithium-ion battery fabricated via low temperature direct write 3D printing
CN112038630A (en) Multi-channel carbon-based electrode of sodium ion battery and preparation method thereof
CN109817952B (en) Lithium ion battery cathode and preparation method thereof
CN109786681A (en) A kind of anode material for lithium-ion batteries and preparation method thereof of conductive compound coating layer

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20190809

RJ01 Rejection of invention patent application after publication