CN112687852A - 硅氧锂颗粒及其制备方法、负极材料、极片和电池 - Google Patents
硅氧锂颗粒及其制备方法、负极材料、极片和电池 Download PDFInfo
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- CN112687852A CN112687852A CN202011438904.4A CN202011438904A CN112687852A CN 112687852 A CN112687852 A CN 112687852A CN 202011438904 A CN202011438904 A CN 202011438904A CN 112687852 A CN112687852 A CN 112687852A
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- Prior art keywords
- lithium
- silicon
- particles
- particle
- oxygen
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- 239000002245 particle Substances 0.000 title claims abstract description 195
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 124
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000002360 preparation method Methods 0.000 title claims description 21
- 239000007773 negative electrode material Substances 0.000 title claims description 11
- 239000000377 silicon dioxide Substances 0.000 title abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 87
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000007771 core particle Substances 0.000 claims abstract description 33
- RXBBZJPEEIUBJG-UHFFFAOYSA-N [O].[Si].[Li] Chemical compound [O].[Si].[Li] RXBBZJPEEIUBJG-UHFFFAOYSA-N 0.000 claims abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000001301 oxygen Substances 0.000 claims abstract description 27
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
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- 238000005229 chemical vapour deposition Methods 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
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JP2023528730A JP7575600B2 (ja) | 2020-12-10 | 2021-12-10 | コアシェル構造を有するシリコン基粒子およびその製造方法、負極材料、極片と電池 |
KR1020237017384A KR20230093031A (ko) | 2020-12-10 | 2021-12-10 | 코어-셀 구조를 갖는 규소기 과립 및 그 제조 방법, 음극 재료, 극편과 전지 |
PCT/CN2021/137149 WO2022122023A1 (zh) | 2020-12-10 | 2021-12-10 | 具有核壳结构的硅基颗粒及其制备方法、负极材料、极片和电池 |
US18/253,456 US20240002239A1 (en) | 2020-12-10 | 2021-12-10 | Silicon-based particle with core-shell structure, method for preparing the same, anode material, electrode and battery |
EP21902728.1A EP4220764A1 (en) | 2020-12-10 | 2021-12-10 | Silicon-based particle having core-shell structure and preparation method therefor, negative electrode material, electrode plate, and battery |
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Cited By (7)
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CN113184827A (zh) * | 2021-04-27 | 2021-07-30 | 昆山宝创新能源科技有限公司 | 硬碳负极复合材料及其制备方法和应用 |
CN113948688A (zh) * | 2021-09-30 | 2022-01-18 | 浙江锂宸新材料科技有限公司 | 一种改性预锂化硅氧复合材料及其制备方法和应用 |
WO2022122023A1 (zh) * | 2020-12-10 | 2022-06-16 | 安普瑞斯(南京)有限公司 | 具有核壳结构的硅基颗粒及其制备方法、负极材料、极片和电池 |
WO2023165415A1 (zh) * | 2022-03-02 | 2023-09-07 | 博赛利斯(南京)有限公司 | 一种负极活性材料及其制备方法和应用 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1407641A (zh) * | 2001-09-05 | 2003-04-02 | 信越化学工业株式会社 | 含锂氧化硅粉末及其制造方法 |
CN101047234A (zh) * | 2006-03-27 | 2007-10-03 | 信越化学工业株式会社 | 硅-氧化硅-锂复合材料,制备方法和非水电解质二次电池负电极材料 |
CN102214824A (zh) * | 2010-04-05 | 2011-10-12 | 信越化学工业株式会社 | 非水电解质二次电池用负极材料及其制造方法以及锂离子二次电池 |
CN108390049A (zh) * | 2018-04-16 | 2018-08-10 | 清华大学 | 一种硅@碳化硅@碳核壳结构复合材料及其制备方法 |
CN110165188A (zh) * | 2019-06-05 | 2019-08-23 | 上海纳米技术及应用国家工程研究中心有限公司 | 一种“硅/碳化硅/碳”三层结构材料的制备方法 |
-
2020
- 2020-12-10 CN CN202011438904.4A patent/CN112687852B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1407641A (zh) * | 2001-09-05 | 2003-04-02 | 信越化学工业株式会社 | 含锂氧化硅粉末及其制造方法 |
CN101047234A (zh) * | 2006-03-27 | 2007-10-03 | 信越化学工业株式会社 | 硅-氧化硅-锂复合材料,制备方法和非水电解质二次电池负电极材料 |
CN102214824A (zh) * | 2010-04-05 | 2011-10-12 | 信越化学工业株式会社 | 非水电解质二次电池用负极材料及其制造方法以及锂离子二次电池 |
CN108390049A (zh) * | 2018-04-16 | 2018-08-10 | 清华大学 | 一种硅@碳化硅@碳核壳结构复合材料及其制备方法 |
CN110165188A (zh) * | 2019-06-05 | 2019-08-23 | 上海纳米技术及应用国家工程研究中心有限公司 | 一种“硅/碳化硅/碳”三层结构材料的制备方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022122023A1 (zh) * | 2020-12-10 | 2022-06-16 | 安普瑞斯(南京)有限公司 | 具有核壳结构的硅基颗粒及其制备方法、负极材料、极片和电池 |
CN113184827A (zh) * | 2021-04-27 | 2021-07-30 | 昆山宝创新能源科技有限公司 | 硬碳负极复合材料及其制备方法和应用 |
CN113948688A (zh) * | 2021-09-30 | 2022-01-18 | 浙江锂宸新材料科技有限公司 | 一种改性预锂化硅氧复合材料及其制备方法和应用 |
WO2023165415A1 (zh) * | 2022-03-02 | 2023-09-07 | 博赛利斯(南京)有限公司 | 一种负极活性材料及其制备方法和应用 |
WO2024086962A1 (zh) * | 2022-10-24 | 2024-05-02 | 宁德新能源科技有限公司 | 一种负极极片、电化学装置和电子装置 |
CN117174882A (zh) * | 2023-11-02 | 2023-12-05 | 宁德时代新能源科技股份有限公司 | 硅碳复合材料及其制备方法、负极极片、二次电池和用电装置 |
CN118666287A (zh) * | 2024-08-23 | 2024-09-20 | 四川金汇能新材料股份有限公司 | 纳米硅晶簇原位负载硅酸锂负极材料及其制备方法和电池 |
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