CN105895873B - 一种锂离子电池硅碳复合负极材料及其制备方法与应用 - Google Patents
一种锂离子电池硅碳复合负极材料及其制备方法与应用 Download PDFInfo
- Publication number
- CN105895873B CN105895873B CN201610236047.7A CN201610236047A CN105895873B CN 105895873 B CN105895873 B CN 105895873B CN 201610236047 A CN201610236047 A CN 201610236047A CN 105895873 B CN105895873 B CN 105895873B
- Authority
- CN
- China
- Prior art keywords
- silicon
- nano
- lithium ion
- ion battery
- cathode material
- 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
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 39
- 239000002153 silicon-carbon composite material Substances 0.000 title claims abstract description 39
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000010406 cathode material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 55
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 33
- 239000010439 graphite Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000725 suspension Substances 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 238000000498 ball milling Methods 0.000 claims description 36
- 238000001816 cooling Methods 0.000 claims description 29
- 229910052710 silicon Inorganic materials 0.000 claims description 29
- 239000010703 silicon Substances 0.000 claims description 29
- 235000013312 flour Nutrition 0.000 claims description 19
- 239000000377 silicon dioxide Substances 0.000 claims description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 18
- 229910052744 lithium Inorganic materials 0.000 claims description 18
- 230000001939 inductive effect Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 12
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 239000007772 electrode material Substances 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 239000008103 glucose Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 25
- 230000008901 benefit Effects 0.000 abstract description 13
- 239000000126 substance Substances 0.000 abstract description 5
- 238000001238 wet grinding Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000003763 carbonization Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000011258 core-shell material Substances 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 abstract description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 abstract description 2
- 230000001351 cycling effect Effects 0.000 abstract description 2
- 238000009616 inductively coupled plasma Methods 0.000 abstract description 2
- 239000011164 primary particle Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 abstract description 2
- 238000000137 annealing Methods 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 20
- 239000007787 solid Substances 0.000 description 19
- 239000011805 ball Substances 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 239000011230 binding agent Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 235000013339 cereals Nutrition 0.000 description 9
- 239000008367 deionised water Substances 0.000 description 9
- 229910021641 deionized water Inorganic materials 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000006245 Carbon black Super-P Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 239000011863 silicon-based powder Substances 0.000 description 3
- 238000001694 spray drying Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000011366 tin-based material Substances 0.000 description 1
- 238000001291 vacuum drying Methods 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
- H01M4/366—Composites as layered products
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
-
- 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)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610236047.7A CN105895873B (zh) | 2016-04-15 | 2016-04-15 | 一种锂离子电池硅碳复合负极材料及其制备方法与应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610236047.7A CN105895873B (zh) | 2016-04-15 | 2016-04-15 | 一种锂离子电池硅碳复合负极材料及其制备方法与应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105895873A CN105895873A (zh) | 2016-08-24 |
CN105895873B true CN105895873B (zh) | 2018-04-03 |
Family
ID=56704914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610236047.7A Active CN105895873B (zh) | 2016-04-15 | 2016-04-15 | 一种锂离子电池硅碳复合负极材料及其制备方法与应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105895873B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018068035A1 (en) * | 2016-10-07 | 2018-04-12 | Kratos LLC | Graphite and group iva composite particles and methods of making |
CN106654241A (zh) * | 2016-11-17 | 2017-05-10 | 涵谷新能源科技(上海)有限公司 | 动力锂离子电池用硅碳负极材料结构及其制备方法 |
CN107068996B (zh) * | 2017-02-27 | 2019-10-25 | 陕西六元碳晶股份有限公司 | 一种硅碳氮复合材料的连续制备方法 |
CN109873132A (zh) * | 2017-12-05 | 2019-06-11 | 北京交通大学 | 一种制备致密包覆的硅碳纳米复合材料的方法 |
CN108598389B (zh) * | 2018-03-28 | 2020-10-27 | 华南师范大学 | 一种锂离子电池硅碳负极材料及其制备方法与应用 |
CN108565431B (zh) * | 2018-04-24 | 2021-08-20 | 中国矿业大学 | 一种以魔芋粉为碳源制备锂离子电池硅-碳复合负极材料的方法 |
CN108736006B (zh) * | 2018-07-26 | 2021-06-22 | 福州大学 | 一种制备硅-碳复合材料的方法 |
CN111785937B (zh) * | 2019-04-04 | 2023-06-30 | 贝特瑞新材料集团股份有限公司 | 一种碳基复合负极材料及其制备方法和锂离子电池 |
CN110364703B (zh) * | 2019-06-11 | 2021-02-26 | 浙江吉利控股集团有限公司 | 一种复合材料制备方法、电池正极、电池及其制备方法 |
KR102136820B1 (ko) * | 2020-04-03 | 2020-07-23 | 한국메탈실리콘 주식회사 | 비결정질 실리콘 복합체의 제조방법 및 비결정질 실리콘 복합체의 제조장치 |
CN112520741A (zh) * | 2020-11-26 | 2021-03-19 | 宁波广新纳米材料有限公司 | 一种锂电池负极材料用碳包硅粉生产方法 |
CN117174841A (zh) * | 2022-05-27 | 2023-12-05 | 溧阳天目先导电池材料科技有限公司 | 一种用于锂离子电池的复合储锂材料及制备方法和应用 |
CN116111078B (zh) * | 2023-04-12 | 2023-11-10 | 贝特瑞新材料集团股份有限公司 | 负极材料及其制备方法、锂离子电池 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103295886A (zh) * | 2013-05-23 | 2013-09-11 | 刘国钧 | 一种磷组合物包覆纳米硅浆料的制备方法及其应用 |
CN103904307A (zh) * | 2012-12-24 | 2014-07-02 | 宁波杉杉新材料科技有限公司 | 硅碳复合材料及其制备方法和应用 |
-
2016
- 2016-04-15 CN CN201610236047.7A patent/CN105895873B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103904307A (zh) * | 2012-12-24 | 2014-07-02 | 宁波杉杉新材料科技有限公司 | 硅碳复合材料及其制备方法和应用 |
CN103295886A (zh) * | 2013-05-23 | 2013-09-11 | 刘国钧 | 一种磷组合物包覆纳米硅浆料的制备方法及其应用 |
Non-Patent Citations (2)
Title |
---|
以石墨为母体的硅碳核壳复合负极材料的制备及性能研究;李敏等;《功能材料》;20131017;第44卷(第19期);第2828-2832页 * |
高容量型锂离子电池硅基负极材料的研究;胡社军等;《华南师范大学学报(自然科学版)》;20131130;第45卷(第6期);第68-74页 * |
Also Published As
Publication number | Publication date |
---|---|
CN105895873A (zh) | 2016-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105895873B (zh) | 一种锂离子电池硅碳复合负极材料及其制备方法与应用 | |
CN103346305B (zh) | 人造石墨为载体的锂电池硅碳复合负极材料的制备和应用 | |
CN106784640B (zh) | 锂离子电池用硅基复合负极材料、其制备方法及包含该材料的锂离子电池负极 | |
CN103474631B (zh) | 一种锂离子电池用氧化亚硅复合负极材料、制备方法及锂离子电池 | |
CN103708437B (zh) | 一种锂离子电池软碳负极材料、其制备方法及锂离子电池 | |
CN108598389B (zh) | 一种锂离子电池硅碳负极材料及其制备方法与应用 | |
CN103840161B (zh) | 一种制备锂电池负极材料的方法及锂电池负极片 | |
CN101339987A (zh) | 一种锂离子电池硅碳复合负极材料及其制备方法 | |
CN102659091A (zh) | 一种高容量的石墨材料及其制备方法和其应用 | |
CN112467067B (zh) | 提纯光伏硅泥制备的三维多孔硅碳材料及制备方法 | |
CN106784741B (zh) | 一种碳硅复合材料、其制备方法及包含该复合材料的锂离子电池 | |
CN103165862A (zh) | 一种高性能锂离子电池负极材料及其制备方法 | |
CN108682787B (zh) | 一种锂离子电池极片及其制备方法 | |
CN101728517A (zh) | 一种表面自生长氮化钛导电膜修饰钛酸锂的制备方法 | |
CN103219168A (zh) | 一种Li4Ti5O12/石墨烯复合电极材料及其制备方法 | |
CN109686960A (zh) | 一种碳包覆硅纳米片和硅基复合材料及其制备方法 | |
CN102347481A (zh) | 超细球形石墨及其制备方法和应用 | |
WO2017024897A1 (zh) | 一种改性锂电池负极材料的制备方法 | |
CN103259005A (zh) | 一种高容量高倍率锂离子电池负极材料的制备方法 | |
CN107275571A (zh) | 一种硫化锂/纳米硅碳全电池及其制备方法与应用 | |
Liu et al. | Blended spherical lithium iron phosphate cathodes for high energy density lithium–ion batteries | |
Yu et al. | Rice husk lignin-based porous carbon and ZnO composite as an anode for high-performance lithium-ion batteries | |
CN103022494B (zh) | 一种人造石墨的制备方法及其应用 | |
CN112736233A (zh) | 一种锂离子电池电极活性物质、制备方法及其电极和电池 | |
CN114171717B (zh) | 一种锂离子电池用硅烯复合材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into 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: 20240205 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. Country or region after: China Address before: 510006 607, Science Building 5, South China Normal University, 378 Waihuan West Road, University City, Panyu District, Guangzhou, Guangdong Province Patentee before: SOUTH CHINA NORMAL University Country or region before: China |
|
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 |