CN115191043A - 负极活性材料及使用其的电化学装置和电子装置 - Google Patents
负极活性材料及使用其的电化学装置和电子装置 Download PDFInfo
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- CN115191043A CN115191043A CN202080097769.3A CN202080097769A CN115191043A CN 115191043 A CN115191043 A CN 115191043A CN 202080097769 A CN202080097769 A CN 202080097769A CN 115191043 A CN115191043 A CN 115191043A
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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
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- 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 Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
本申请涉及一种负极活性材料及使用其的电化学装置和电子装置。具体而言，本申请提供一种负极活性材料，其包括负极活性物质和在所述负极活性物质的表面的保护层，其中根据飞行时间二次离子质谱测试，所述保护层包括以下带电基团中的至少一种：C2H3 +、Si+、C2H5 +、C3H3 +、C3H5 +、C3H7 +、C4H5 +、C4H7 +、C4H9 +、C5H7 +、SiC3H9 +、C6H5 +、C6H7 +、C6H9 +、C6H11 +、C6H13 +、C7H7 +、C7H11 +、C7H13 +、C8H13 +、C8H11N2 +、Si2OC5H15 +、Si3O2C5H15 +、Si3O3C5H15 +、Si3O2C7H21 +、Si4O4C7H21 +、CH‑、O‑、CN‑、C3H2 ‑、C2HO‑、C4H‑、C2H3O2 ‑、SiO2 ‑、PO2 ‑、C4H7O‑、C3H9N2 ‑、SiO2CH3 ‑、PO3 ‑、C5H7N‑、Si2O3C3H9 ‑、C14H21O‑或Si3O4C5H15 ‑。本申请的负极活性材料有助于改善电化学装置的循环性能和安全性能。
Description
PCT国内申请，说明书已公开。
Claims (11)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/081609 WO2021189407A1 (zh) | 2020-03-27 | 2020-03-27 | 负极活性材料及使用其的电化学装置和电子装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115191043A true CN115191043A (zh) | 2022-10-14 |
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ID=77889835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080097769.3A Pending CN115191043A (zh) | 2020-03-27 | 2020-03-27 | 负极活性材料及使用其的电化学装置和电子装置 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115191043A (zh) |
| WO (1) | WO2021189407A1 (zh) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4296427B2 (ja) * | 2004-11-10 | 2009-07-15 | ソニー株式会社 | 負極および電池 |
| JP6208957B2 (ja) * | 2013-03-06 | 2017-10-04 | ソニー株式会社 | 二次電池用活物質、二次電池用電極、二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
| JP2015201409A (ja) * | 2014-04-10 | 2015-11-12 | トヨタ自動車株式会社 | 正極ペースト、正極ペーストの製造方法、及び正極の製造方法 |
| CN103996835A (zh) * | 2014-06-14 | 2014-08-20 | 哈尔滨工业大学 | 一种具有硅烷偶联剂包覆层结构的硅基负极材料及其制备方法与应用 |
| JP6268049B2 (ja) * | 2014-06-23 | 2018-01-24 | 信越化学工業株式会社 | 非水電解質二次電池用負極材及び非水電解質二次電池並びに負極活物質粒子の製造方法 |
| JP2016164837A (ja) * | 2015-03-06 | 2016-09-08 | トヨタ自動車株式会社 | 正極の製造方法及び正極 |
| DE102016202459A1 (de) * | 2016-02-17 | 2017-08-17 | Wacker Chemie Ag | Kern-Schale-Kompositpartikel |
| CN110121803A (zh) * | 2016-12-29 | 2019-08-13 | 株式会社村田制作所 | 负极活性物质、负极、电池、电池组、电子设备、电动车辆、蓄电装置以及电力系统 |
| KR102556592B1 (ko) * | 2017-04-28 | 2023-07-18 | 세키스이가가쿠 고교가부시키가이샤 | 리튬 이온 전지용 부극 활물질 |
| JP6802111B2 (ja) * | 2017-06-02 | 2020-12-16 | 信越化学工業株式会社 | 非水電解質二次電池用負極活物質及び非水電解質二次電池、並びに非水電解質二次電池用負極材の製造方法 |
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2020
- 2020-03-27 WO PCT/CN2020/081609 patent/WO2021189407A1/zh active Application Filing
- 2020-03-27 CN CN202080097769.3A patent/CN115191043A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021189407A1 (zh) | 2021-09-30 |
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