CN106784714A - 一种锂离子电池硅基复合负极材料及其制备方法 - Google Patents
一种锂离子电池硅基复合负极材料及其制备方法 Download PDFInfo
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- CN106784714A CN106784714A CN201611246453.8A CN201611246453A CN106784714A CN 106784714 A CN106784714 A CN 106784714A CN 201611246453 A CN201611246453 A CN 201611246453A CN 106784714 A CN106784714 A CN 106784714A
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Classifications
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- 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
- 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
- H01M4/62—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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Silicon Compounds (AREA)
Abstract
Description
项目 | 对比例 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 |
首周放电容量(mAh/g) | 3239 | 2027 | 1983 | 1859 | 1372 | 1043 |
库伦效率(%) | 41.6 | 49.9 | 51.2 | 53.7 | 63.4 | 71.4 |
100次循环后比容量(mAh/g) | 82.2 | 476.4 | 500.5 | 536.1 | 520.2 | 514.6 |
100次循环后容量保持(%) | 6.1 | 47.1 | 49.3 | 53.7 | 59.8 | 69.1 |
Claims (10)
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CN201611246453.8A CN106784714B (zh) | 2016-12-29 | 2016-12-29 | 一种锂离子电池硅基复合负极材料及其制备方法 |
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CN201611246453.8A CN106784714B (zh) | 2016-12-29 | 2016-12-29 | 一种锂离子电池硅基复合负极材料及其制备方法 |
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CN106784714A true CN106784714A (zh) | 2017-05-31 |
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Cited By (14)
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CN107482188A (zh) * | 2017-07-28 | 2017-12-15 | 深圳大学 | 一种中空核壳结构复合材料及其制备方法与应用 |
CN108054358A (zh) * | 2017-12-07 | 2018-05-18 | 湘潭大学 | 一种用于锂离子电池的复合负极材料及其制备方法 |
CN108550827A (zh) * | 2018-05-08 | 2018-09-18 | 广东迈纳科技有限公司 | 一种三维多孔状硅碳负极材料的制备方法与应用 |
CN108598388A (zh) * | 2018-03-23 | 2018-09-28 | 格林美(无锡)能源材料有限公司 | 一种C/SiO2包覆锂电三元正极材料及其制备方法 |
CN108899576A (zh) * | 2018-06-22 | 2018-11-27 | 安徽省力霸动力锂电池科技有限公司 | 一种锂离子电池 |
CN109546120A (zh) * | 2018-11-20 | 2019-03-29 | 陕西煤业化工技术研究院有限责任公司 | 一种石墨烯基硅碳复合材料及其制备方法 |
CN109638254A (zh) * | 2018-12-17 | 2019-04-16 | 宁德新能源科技有限公司 | 负极材料及使用其的电化学装置和电子装置 |
CN111477858A (zh) * | 2020-05-08 | 2020-07-31 | 广西师范大学 | 一种Si@TiO2空心核壳复合材料的制备方法 |
CN111613787A (zh) * | 2020-05-29 | 2020-09-01 | 扬州大学 | 二氧化钛包覆碳-四氧化三钴复合材料、制备方法及其应用 |
CN111646473A (zh) * | 2020-06-04 | 2020-09-11 | 松山湖材料实验室 | Si-TiO2-C复合纳米线的制备方法及其制品、应用 |
CN112086631A (zh) * | 2020-09-18 | 2020-12-15 | 合肥国轩电池材料有限公司 | 一种锂离子电池Sn基负极极片的制备方法 |
CN112366306A (zh) * | 2021-01-12 | 2021-02-12 | 拓米(成都)应用技术研究院有限公司 | 一种纳米硅复合负极材料及其制造方法 |
CN114132914A (zh) * | 2021-11-25 | 2022-03-04 | 广东凯金新能源科技股份有限公司 | 一种二氧化钛-碳双层包覆硅基复合材料、其制备方法及其应用 |
CN114566634A (zh) * | 2022-03-04 | 2022-05-31 | 深圳石墨烯创新中心有限公司 | 二氧化钛包覆硅碳纳米纤维复合材料及其制备方法与应用 |
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CN101814598A (zh) * | 2010-04-30 | 2010-08-25 | 华南师范大学 | 一种新型的动力锂离子电池二氧化钛负极材料及其制备方法 |
CN102569761A (zh) * | 2010-12-08 | 2012-07-11 | 中国科学院金属研究所 | 二氧化钛∕石墨烯纳米复合材料及其制备方法和应用 |
CN103531760A (zh) * | 2013-10-28 | 2014-01-22 | 北京化工大学 | 一种蛋黄-蛋壳结构多孔硅碳复合微球及其制备方法 |
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