CN109524639B - 利用静电纺丝制备锂离子电池g-C3N4/硅碳负极材料的方法及其应用 - Google Patents
利用静电纺丝制备锂离子电池g-C3N4/硅碳负极材料的方法及其应用 Download PDFInfo
- Publication number
- CN109524639B CN109524639B CN201811201354.7A CN201811201354A CN109524639B CN 109524639 B CN109524639 B CN 109524639B CN 201811201354 A CN201811201354 A CN 201811201354A CN 109524639 B CN109524639 B CN 109524639B
- Authority
- CN
- China
- Prior art keywords
- silicon
- lithium ion
- ion battery
- electrostatic spinning
- preparing
- 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.)
- Active
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 50
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 66
- 239000010703 silicon Substances 0.000 claims abstract description 66
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 46
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000011259 mixed solution Substances 0.000 claims abstract description 32
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 26
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 26
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 22
- 239000010406 cathode material Substances 0.000 claims abstract description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 18
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004202 carbamide Substances 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000011261 inert gas Substances 0.000 claims abstract description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 20
- 229910052744 lithium Inorganic materials 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 239000011889 copper foil Substances 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 10
- 239000007772 electrode material Substances 0.000 claims description 9
- 239000011863 silicon-based powder Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000002309 gasification Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 239000010405 anode material Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000001523 electrospinning Methods 0.000 claims description 2
- 239000002153 silicon-carbon composite material Substances 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 6
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910003481 amorphous carbon Inorganic materials 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000840 electrochemical analysis Methods 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 229910001290 LiPF6 Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012983 electrochemical energy storage Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002070 nanowire Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 239000011856 silicon-based particle Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- H01M4/362—Composites
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
- D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
-
- 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
- H01M4/38—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
- H01M4/58—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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811201354.7A CN109524639B (zh) | 2018-10-16 | 2018-10-16 | 利用静电纺丝制备锂离子电池g-C3N4/硅碳负极材料的方法及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811201354.7A CN109524639B (zh) | 2018-10-16 | 2018-10-16 | 利用静电纺丝制备锂离子电池g-C3N4/硅碳负极材料的方法及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109524639A CN109524639A (zh) | 2019-03-26 |
CN109524639B true CN109524639B (zh) | 2020-05-19 |
Family
ID=65770543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811201354.7A Active CN109524639B (zh) | 2018-10-16 | 2018-10-16 | 利用静电纺丝制备锂离子电池g-C3N4/硅碳负极材料的方法及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109524639B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110112405B (zh) * | 2019-05-29 | 2021-05-18 | 哈尔滨理工大学 | 一种核壳结构硅/碳纤维柔性复合电极材料及其制备方法与应用 |
CN110828805B (zh) * | 2019-11-14 | 2021-06-04 | 郑州中科新兴产业技术研究院 | 一种氮化物掺杂的硅基复合材料及制备方法 |
CN110707317B (zh) * | 2019-11-20 | 2022-03-25 | 长园泽晖新能源材料研究院(珠海)有限公司 | 一种硅碳负极材料制备装置 |
CN111584859B (zh) * | 2020-05-22 | 2022-05-27 | 合肥国轩高科动力能源有限公司 | 中空硅微球-氮掺杂碳纳米线硅负极材料及其制法和应用 |
CN112803005B (zh) * | 2021-03-04 | 2022-05-13 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池硅碳负极材料的制备方法及其应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103985875A (zh) * | 2014-05-21 | 2014-08-13 | 南京理工大学 | 一种石墨烯-氮化碳复合材料的应用 |
CN105789588A (zh) * | 2016-04-06 | 2016-07-20 | 苏州思创源博电子科技有限公司 | 一种含c3n4复合材料的多层结构电池负极材料的制备方法 |
CN106602023A (zh) * | 2016-12-26 | 2017-04-26 | 武汉理工大学 | 一种原位合成石墨相氮化碳‑氧化铜复合材料的方法 |
CN107634207A (zh) * | 2017-09-19 | 2018-01-26 | 大连海事大学 | 一种硅镶嵌氧化还原石墨烯/石墨相氮化碳复合材料及其制备和应用 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10263246B2 (en) * | 2014-11-20 | 2019-04-16 | Ut-Battelle, Llc | Lithiated and passivated lithium ion battery anodes |
-
2018
- 2018-10-16 CN CN201811201354.7A patent/CN109524639B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103985875A (zh) * | 2014-05-21 | 2014-08-13 | 南京理工大学 | 一种石墨烯-氮化碳复合材料的应用 |
CN105789588A (zh) * | 2016-04-06 | 2016-07-20 | 苏州思创源博电子科技有限公司 | 一种含c3n4复合材料的多层结构电池负极材料的制备方法 |
CN106602023A (zh) * | 2016-12-26 | 2017-04-26 | 武汉理工大学 | 一种原位合成石墨相氮化碳‑氧化铜复合材料的方法 |
CN107634207A (zh) * | 2017-09-19 | 2018-01-26 | 大连海事大学 | 一种硅镶嵌氧化还原石墨烯/石墨相氮化碳复合材料及其制备和应用 |
Also Published As
Publication number | Publication date |
---|---|
CN109524639A (zh) | 2019-03-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109524639B (zh) | 利用静电纺丝制备锂离子电池g-C3N4/硅碳负极材料的方法及其应用 | |
US11757089B2 (en) | Carbon matrix composite material, preparation method therefor and lithium ion battery comprising same | |
US10522834B2 (en) | Multiple-element composite material for anodes, preparation method therefor, and lithium-ion battery having same | |
CN108448080B (zh) | 一种石墨烯包覆硅/金属复合负极材料及其制备方法 | |
CN109686952B (zh) | 一种硅碳负极材料及包覆制备方法 | |
CN107026262B (zh) | 表面石墨烯包覆的高容量球形硬炭负极材料 | |
CN108598389B (zh) | 一种锂离子电池硅碳负极材料及其制备方法与应用 | |
CN112652758B (zh) | 用于锂离子电池的硅氧化物/碳微球复合负极材料及其制备方法 | |
WO2022236985A1 (zh) | 一种均匀改性的氧化亚硅负极材料及其制备方法和应用 | |
CN112110448A (zh) | 一种氮掺杂碳与纳米硅复合负极材料及其制备方法 | |
CN106941171B (zh) | 一种基于纳米硅碳的锂电池负极复合材料及其制备方法 | |
EP4340066A1 (en) | Uniformly modified cathode material for silicon-based lithium ion battery, preparation method therefor and application thereof | |
CN104229894B (zh) | 一种锂离子电池钼酸锂负极材料的溶胶-凝胶制备方法 | |
CN112670459B (zh) | 一种石墨负极材料及其制备和应用 | |
CN112421049A (zh) | 一种球磨制备锂电池硅碳负极材料的方法、硅碳负极材料 | |
CN116387447A (zh) | 一种锂离子电池快充负极片、电化学装置及电子装置 | |
CN108288705B (zh) | 一种锂离子电池用硅碳负极材料及其制备方法 | |
CN110797517A (zh) | 一种掺杂镍银合金颗粒硅碳负极材料的制备方法 | |
CN112421002B (zh) | 一种高容量的硅碳材料及其制备方法 | |
CN109879286B (zh) | 一种锂电池硅碳负极复合材料的制备方法 | |
CN111029538B (zh) | 一种碳包覆硅复合硅酸盐材料及其制备方法和应用 | |
CN109560280B (zh) | 一种纳米锡-二硫化钼复合物负极材料及其制备方法和应用 | |
CN110739445A (zh) | 一种氮掺杂碳/石墨烯/硅自支撑体复合电极的制备方法 | |
CN115893400B (zh) | 一种长循环锂离子电池所用负极材料的制备方法 | |
CN116154141B (zh) | 一种类西瓜状结构的硅碳负极材料及其制备方法 |
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 | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240118 Address after: 518057 B1001, Shenzhen industry university research building, Wuhan University, No. 6, Yuexing Second Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Soft Silicon Material Technology Co.,Ltd. Address before: School of physics and telecommunication engineering, South China Normal University, No. 378, Waihuan West Road, Panyu District, Guangzhou City, Guangdong Province, 510006 Patentee before: SOUTH CHINA NORMAL University |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240229 Address after: 518057 B1001, Shenzhen industry university research building, Wuhan University, No. 6, Yuexing Second Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Ningshi Material Technology Co.,Ltd. Country or region after: China Address before: 518057 B1001, Shenzhen industry university research building, Wuhan University, No. 6, Yuexing Second Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: Shenzhen Soft Silicon Material Technology Co.,Ltd. Country or region before: China |