CN111204754A - 一种氧化石墨烯硅碳复合负极材料制备方法 - Google Patents
一种氧化石墨烯硅碳复合负极材料制备方法 Download PDFInfo
- Publication number
- CN111204754A CN111204754A CN202010035369.1A CN202010035369A CN111204754A CN 111204754 A CN111204754 A CN 111204754A CN 202010035369 A CN202010035369 A CN 202010035369A CN 111204754 A CN111204754 A CN 111204754A
- Authority
- CN
- China
- Prior art keywords
- powder
- temperature
- graphene oxide
- carbon composite
- negative electrode
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000011868 silicon-carbon composite negative electrode material Substances 0.000 title claims abstract description 17
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000005406 washing Methods 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims abstract description 14
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000003763 carbonization Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005056 compaction Methods 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 22
- 238000005087 graphitization Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 17
- 238000009830 intercalation Methods 0.000 claims description 16
- 230000002687 intercalation Effects 0.000 claims description 16
- 239000010426 asphalt Substances 0.000 claims description 14
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical group O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000011812 mixed powder Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 239000011870 silicon-carbon composite anode material Substances 0.000 claims description 8
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003929 acidic solution Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 239000007770 graphite material Substances 0.000 claims description 4
- 239000011295 pitch Substances 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011294 coal tar pitch Substances 0.000 claims description 3
- 238000004939 coking Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000010297 mechanical methods and process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000013014 purified material Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 239000011280 coal tar Substances 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- 239000007773 negative electrode material Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract description 3
- 239000004482 other powder Substances 0.000 abstract description 2
- 239000010406 cathode material Substances 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000002210 silicon-based material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011300 coal pitch Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000006253 pitch coke Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/198—Graphene oxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/21—After-treatment
- C01B32/215—Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
-
- 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
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Environmental & Geological Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010035369.1A CN111204754B (zh) | 2020-01-14 | 2020-01-14 | 一种氧化石墨烯硅碳复合负极材料制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010035369.1A CN111204754B (zh) | 2020-01-14 | 2020-01-14 | 一种氧化石墨烯硅碳复合负极材料制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111204754A true CN111204754A (zh) | 2020-05-29 |
CN111204754B CN111204754B (zh) | 2021-11-09 |
Family
ID=70783677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010035369.1A Active CN111204754B (zh) | 2020-01-14 | 2020-01-14 | 一种氧化石墨烯硅碳复合负极材料制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111204754B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111977658A (zh) * | 2020-08-26 | 2020-11-24 | 成都新柯力化工科技有限公司 | 一种锂电池硅碳负极材料连续化生产的方法 |
CN114883658A (zh) * | 2022-06-09 | 2022-08-09 | 江苏正力新能电池技术有限公司 | 一种可充电电池及可充电电池模组 |
CN114890793A (zh) * | 2022-05-20 | 2022-08-12 | 中钢天源股份有限公司 | 一种高纯高密石墨材料的制备方法 |
CN116639685A (zh) * | 2023-06-19 | 2023-08-25 | 深圳光风新能源科技创新中心有限公司 | 一种废锂电石墨负极循环利用方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108807942A (zh) * | 2018-07-19 | 2018-11-13 | 大同新成新材料股份有限公司 | 一种利用氧化石墨烯制备锂离子负极材料的方法 |
CN108862272A (zh) * | 2018-08-21 | 2018-11-23 | 大同新成新材料股份有限公司 | 一种利用氧化石墨烯、纳米碳粉制备膨胀石墨的方法 |
CN109133923A (zh) * | 2018-08-21 | 2019-01-04 | 大同新成新材料股份有限公司 | 一种氧化石墨烯-特种石墨粉制备特种石墨纸的方法 |
CN109244389A (zh) * | 2018-08-21 | 2019-01-18 | 大同新成新材料股份有限公司 | 一种利用硒石墨烯复合材料制备锂离子负极材料的方法 |
-
2020
- 2020-01-14 CN CN202010035369.1A patent/CN111204754B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108807942A (zh) * | 2018-07-19 | 2018-11-13 | 大同新成新材料股份有限公司 | 一种利用氧化石墨烯制备锂离子负极材料的方法 |
CN108862272A (zh) * | 2018-08-21 | 2018-11-23 | 大同新成新材料股份有限公司 | 一种利用氧化石墨烯、纳米碳粉制备膨胀石墨的方法 |
CN109133923A (zh) * | 2018-08-21 | 2019-01-04 | 大同新成新材料股份有限公司 | 一种氧化石墨烯-特种石墨粉制备特种石墨纸的方法 |
CN109244389A (zh) * | 2018-08-21 | 2019-01-18 | 大同新成新材料股份有限公司 | 一种利用硒石墨烯复合材料制备锂离子负极材料的方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111977658A (zh) * | 2020-08-26 | 2020-11-24 | 成都新柯力化工科技有限公司 | 一种锂电池硅碳负极材料连续化生产的方法 |
CN111977658B (zh) * | 2020-08-26 | 2021-03-02 | 成都新柯力化工科技有限公司 | 一种锂电池硅碳负极材料连续化生产的方法 |
CN114890793A (zh) * | 2022-05-20 | 2022-08-12 | 中钢天源股份有限公司 | 一种高纯高密石墨材料的制备方法 |
CN114883658A (zh) * | 2022-06-09 | 2022-08-09 | 江苏正力新能电池技术有限公司 | 一种可充电电池及可充电电池模组 |
CN114883658B (zh) * | 2022-06-09 | 2023-09-26 | 江苏正力新能电池技术有限公司 | 一种可充电电池及可充电电池模组 |
CN116639685A (zh) * | 2023-06-19 | 2023-08-25 | 深圳光风新能源科技创新中心有限公司 | 一种废锂电石墨负极循环利用方法 |
CN116639685B (zh) * | 2023-06-19 | 2023-12-22 | 深圳光风新能源科技创新中心有限公司 | 一种废锂电石墨负极循环利用方法 |
Also Published As
Publication number | Publication date |
---|---|
CN111204754B (zh) | 2021-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111204754B (zh) | 一种氧化石墨烯硅碳复合负极材料制备方法 | |
CN110620223B (zh) | 锂离子电池预锂化硅碳多层复合负极材料及其制备方法 | |
CN102231434A (zh) | 一种锂离子电池改性天然石墨负极材料及其制备方法 | |
CN101924211A (zh) | 一种石墨烯/硅锂离子电池负极材料及制备方法 | |
CN106602067B (zh) | 一种石墨基复合材料、其制备方法及包含该复合材料的锂离子电池 | |
CN111146427A (zh) | 一种以聚苯胺为碳源制备中空核壳结构纳米硅碳复合材料的方法及应用该材料的二次电池 | |
CN107946568B (zh) | 一种高性能氧化亚硅/硬碳/石墨复合材料及其制备方法与应用 | |
CN104638240A (zh) | 一种锂离子电池硅碳复合负极材料的制备方法及其产品 | |
CN106784807B (zh) | 一种复合碳材料铅酸蓄电池负极铅膏及其制备方法 | |
CN103560233A (zh) | 一种锂离子电池负极材料碳包覆的硅石墨及其制备方法 | |
CN113889605B (zh) | 一种硬碳-掺杂剂包覆无烟煤复合负极材料及其制备方法、锂离子电池 | |
CN101197442A (zh) | 一种磷酸铁锂锂离子电池 | |
CN102130322A (zh) | 一种锂离子电池正负极双层结构极板及其制造方法 | |
CN111029546A (zh) | 一种锂离子电池用改性膨胀微粉石墨负极材料的制备方法 | |
CN111916735A (zh) | 一种无定形碳材料及其制备方法和锂离子电池 | |
CN111354937A (zh) | 一种锂离子电池用核壳结构高容量硅碳复合负极材料的制备方法 | |
CN113644243A (zh) | 氮掺杂中空结构石墨微球、复合负极材料及其制备方法 | |
CN111215633A (zh) | 一种利用锡石墨烯复合材料制备锂离子负极材料的方法 | |
CN116741972A (zh) | 钠离子电池正极材料用碳复合的混合聚阴离子型化合物及其制备方法 | |
CN111313004A (zh) | 一种锂离子电池用氧化亚硅-钛酸锂基复合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 | |
CN113697804B (zh) | 一种快充高首效硬碳/人造石墨负极材料及其制备方法 | |
CN113659117A (zh) | 一种碳掺杂三明治结构锂离子电池负极材料的制备方法 | |
CN109004188B (zh) | 一种多孔碳硅复合材料的绿色制备方法 | |
CN107959007B (zh) | 一种包覆石墨烯-硅锂离子电池负极材料的制备方法 |
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: 20230206 Address after: 518000 Taoxian Jinhua Building, Taoyuan Community, Dalang Street, Longhua District, Shenzhen, Guangdong Province Patentee after: Wang Yunfei Address before: 037002 Garden Village, Xinrong District, Datong, Shanxi Patentee before: DATONG XINCHENG NEW MATERIAL Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230602 Address after: No. 56 Yezhi Road, Quzhou City, Zhejiang Province, 324000 Patentee after: Quzhou Qufarui New Energy Materials Co.,Ltd. Address before: 518000 Taoxian Jinhua Building, Taoyuan Community, Dalang Street, Longhua District, Shenzhen, Guangdong Province Patentee before: Wang Yunfei |