CN107681137A - 一种钠离子电池C/C70/CaS复合负极材料及其制备方法 - Google Patents
一种钠离子电池C/C70/CaS复合负极材料及其制备方法 Download PDFInfo
- Publication number
- CN107681137A CN107681137A CN201710854481.6A CN201710854481A CN107681137A CN 107681137 A CN107681137 A CN 107681137A CN 201710854481 A CN201710854481 A CN 201710854481A CN 107681137 A CN107681137 A CN 107681137A
- Authority
- CN
- China
- Prior art keywords
- cas
- negative pole
- sodium
- composite negative
- ion battery
- 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
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 45
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 229920001732 Lignosulfonate Polymers 0.000 claims abstract description 31
- 238000010335 hydrothermal treatment Methods 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 23
- 229910021385 hard carbon Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 11
- 239000013049 sediment Substances 0.000 claims description 11
- 239000002243 precursor Substances 0.000 claims description 9
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 4
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000002096 quantum dot Substances 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 238000009413 insulation Methods 0.000 description 10
- 229910001416 lithium ion Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000010405 anode material Substances 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 238000010792 warming Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000007233 catalytic pyrolysis Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000009656 pre-carbonization Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
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
-
- 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
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- 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
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
-
- 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
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710854481.6A CN107681137B (zh) | 2017-09-20 | 2017-09-20 | 一种钠离子电池C/C70/CaS复合负极材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710854481.6A CN107681137B (zh) | 2017-09-20 | 2017-09-20 | 一种钠离子电池C/C70/CaS复合负极材料及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107681137A true CN107681137A (zh) | 2018-02-09 |
CN107681137B CN107681137B (zh) | 2020-11-24 |
Family
ID=61136514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710854481.6A Expired - Fee Related CN107681137B (zh) | 2017-09-20 | 2017-09-20 | 一种钠离子电池C/C70/CaS复合负极材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107681137B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112886005A (zh) * | 2021-01-13 | 2021-06-01 | 东莞市创明电池技术有限公司 | 正极材料的制备方法、正极材料及二次电池 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008006071A3 (en) * | 2006-07-06 | 2008-08-21 | Solenne Bv | Blends of fullerene derivatives, and uses thereof in electronic devices |
CN105140494A (zh) * | 2015-07-01 | 2015-12-09 | 齐鲁工业大学 | 一种Fe3O4/Fe/C纳米复合电池电极材料的仿生合成方法 |
CN105280897A (zh) * | 2015-09-15 | 2016-01-27 | 长沙理工大学 | 一种锂离子电池负极材料C/ZnO/Cu复合材料的制备方法 |
CN106276848A (zh) * | 2016-07-19 | 2017-01-04 | 华南理工大学 | 一种以木质素为原料氮掺杂碳球及其制备方法与应用 |
CN106744798A (zh) * | 2016-12-12 | 2017-05-31 | 华中科技大学 | 一种利用含碳生物质壳制备硬碳的方法及其应用 |
CN106876687A (zh) * | 2017-04-28 | 2017-06-20 | 无锡德碳科技股份有限公司 | 一种碳包覆硅量子点复合锂离子电池负极材料的制备方法 |
CN106910880A (zh) * | 2017-03-28 | 2017-06-30 | 中南大学 | 一种钠离子电池碳球负极材料及其制备方法 |
CN106992293A (zh) * | 2017-05-22 | 2017-07-28 | 浙江大学 | 金属硫化物及碳的复合材料的制备方法及其在钠离子电池中的应用 |
CN107055516A (zh) * | 2017-04-12 | 2017-08-18 | 大连理工大学 | 一种石墨烯/二氧化锡量子点复合材料的制备方法 |
-
2017
- 2017-09-20 CN CN201710854481.6A patent/CN107681137B/zh not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008006071A3 (en) * | 2006-07-06 | 2008-08-21 | Solenne Bv | Blends of fullerene derivatives, and uses thereof in electronic devices |
CN105140494A (zh) * | 2015-07-01 | 2015-12-09 | 齐鲁工业大学 | 一种Fe3O4/Fe/C纳米复合电池电极材料的仿生合成方法 |
CN105280897A (zh) * | 2015-09-15 | 2016-01-27 | 长沙理工大学 | 一种锂离子电池负极材料C/ZnO/Cu复合材料的制备方法 |
CN106276848A (zh) * | 2016-07-19 | 2017-01-04 | 华南理工大学 | 一种以木质素为原料氮掺杂碳球及其制备方法与应用 |
CN106744798A (zh) * | 2016-12-12 | 2017-05-31 | 华中科技大学 | 一种利用含碳生物质壳制备硬碳的方法及其应用 |
CN106910880A (zh) * | 2017-03-28 | 2017-06-30 | 中南大学 | 一种钠离子电池碳球负极材料及其制备方法 |
CN107055516A (zh) * | 2017-04-12 | 2017-08-18 | 大连理工大学 | 一种石墨烯/二氧化锡量子点复合材料的制备方法 |
CN106876687A (zh) * | 2017-04-28 | 2017-06-20 | 无锡德碳科技股份有限公司 | 一种碳包覆硅量子点复合锂离子电池负极材料的制备方法 |
CN106992293A (zh) * | 2017-05-22 | 2017-07-28 | 浙江大学 | 金属硫化物及碳的复合材料的制备方法及其在钠离子电池中的应用 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112886005A (zh) * | 2021-01-13 | 2021-06-01 | 东莞市创明电池技术有限公司 | 正极材料的制备方法、正极材料及二次电池 |
Also Published As
Publication number | Publication date |
---|---|
CN107681137B (zh) | 2020-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Liu et al. | Biomass-derived porous carbon materials for advanced lithium sulfur batteries | |
CN103199254B (zh) | 一种锂离子电池石墨负极材料及其制备方法 | |
CN105236395B (zh) | 一种复合人造石墨负极材料生产方法 | |
CN112225194B (zh) | 一种硬碳材料及其制备方法和应用 | |
CN103078090B (zh) | 一种锂离子动力电池复合负极材料及其制备方法 | |
CN109599546A (zh) | 一种沥青碳包覆天然混合石墨材料及其制备锂离子电池负极的方法 | |
CN107959006A (zh) | 一种木质素基硬碳/碳纳米管复合材料及其制备方法和在锂离子电池负极材料中的应用 | |
CN107140633A (zh) | 一种生物质衍生的超高比表面积活性炭的制备方法及其应用 | |
CN112216828B (zh) | 一种碳纳米管/mof基硅碳复合材料及其制备方法和应用 | |
CN106910880A (zh) | 一种钠离子电池碳球负极材料及其制备方法 | |
CN106252628A (zh) | 一种氧化锰/石墨烯纳米复合材料的制备方法、锂离子电池负极、锂离子电池 | |
CN105870425A (zh) | 一种钠离子电池碳负极材料及其制备方法 | |
CN110190255A (zh) | 一种氮硫共掺杂VSe2/CNF钾离子电池负极材料及其制备方法 | |
CN116675213B (zh) | 一种碳材料及其制备方法和应用 | |
CN103274385B (zh) | 一种锂离子电池负极材料碳微球及其制备方法 | |
CN116314773A (zh) | 基于预氧化的沥青基钠离子电池负极材料及其制备方法和所得产品 | |
CN116344804A (zh) | 一种电池负极硬碳材料及其制备方法 | |
Lower et al. | Catalytic graphitization of biocarbon for lithium‐ion anodes: a minireview | |
CN103482606B (zh) | 一种中间相炭负极材料的生产方法 | |
CN117585665A (zh) | 一种钠离子电池硬碳负极材料及其制备方法 | |
CN109950503A (zh) | 一种CoMoOx/碳/硫复合纳米材料的制备方法、锂离子电池负极及锂离子半电池 | |
CN117342541A (zh) | 一种沥青衍生碳钠离子电池负极材料及其制备方法和应用 | |
CN109148829A (zh) | 一种生物质衍生纳米碳复合氧化镍电极及其应用 | |
Cherian et al. | Sulfur confinement into highly porous banana peduncle-derived carbon for high-rate performance lithium‑sulfur battery | |
CN117174847A (zh) | 无定形碳包覆金属掺杂硬碳复合材料及其制备方法和应用 |
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 |
Effective date of registration: 20210428 Address after: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610031 Patentee after: Chengdu yishenrui Technology Co.,Ltd. Address before: 250353 No. 3501, University Road, Ji'nan, Shandong Patentee before: Qilu University of Technology Effective date of registration: 20210428 Address after: 226600 No.162, Yong'an South Road, Hai'an hi tech Zone, Nantong City, Jiangsu Province Patentee after: JIANGSU CORE-CIRCLES AMPEREX TECHNOLOGY Co.,Ltd. Address before: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610031 Patentee before: Chengdu yishenrui Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |
|
CF01 | Termination of patent right due to non-payment of annual fee |