JPWO2023157643A5 - - Google Patents
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- Publication number
- JPWO2023157643A5 JPWO2023157643A5 JP2023543159A JP2023543159A JPWO2023157643A5 JP WO2023157643 A5 JPWO2023157643 A5 JP WO2023157643A5 JP 2023543159 A JP2023543159 A JP 2023543159A JP 2023543159 A JP2023543159 A JP 2023543159A JP WO2023157643 A5 JPWO2023157643 A5 JP WO2023157643A5
- Authority
- JP
- Japan
- Prior art keywords
- active material
- secondary battery
- battery according
- core
- band
- 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
- 239000011149 active material Substances 0.000 claims 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 4
- 239000002131 composite material Substances 0.000 claims 4
- 239000011258 core-shell material Substances 0.000 claims 4
- 239000002245 particle Substances 0.000 claims 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 3
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 3
- 238000000576 coating method Methods 0.000 claims 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- 238000010304 firing Methods 0.000 claims 2
- 239000011261 inert gas Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 239000002243 precursor Substances 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 238000001237 Raman spectrum Methods 0.000 claims 1
- 238000002441 X-ray diffraction Methods 0.000 claims 1
- 238000005229 chemical vapour deposition Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000007773 negative electrode material Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 1
- 239000002296 pyrolytic carbon Substances 0.000 claims 1
- -1 silicate compound Chemical class 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022024813 | 2022-02-21 | ||
| JP2022024813 | 2022-02-21 | ||
| PCT/JP2023/003305 WO2023157643A1 (ja) | 2022-02-21 | 2023-02-02 | 二次電池用活物質、二次電池用活物質の製造方法および二次電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2023157643A1 JPWO2023157643A1 (https=) | 2023-08-24 |
| JPWO2023157643A5 true JPWO2023157643A5 (https=) | 2024-01-24 |
| JP7491482B2 JP7491482B2 (ja) | 2024-05-28 |
Family
ID=87578524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023543159A Active JP7491482B2 (ja) | 2022-02-21 | 2023-02-02 | 二次電池用活物質、二次電池用活物質の製造方法および二次電池 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7491482B2 (https=) |
| TW (1) | TW202345439A (https=) |
| WO (1) | WO2023157643A1 (https=) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4623283B2 (ja) * | 2004-03-26 | 2011-02-02 | 信越化学工業株式会社 | 珪素複合体粒子及びその製造方法並びに非水電解質二次電池用負極材 |
| JP4207055B2 (ja) * | 2006-04-26 | 2009-01-14 | 信越化学工業株式会社 | ＳｉＯｘ（ｘ＜１）の製造方法 |
| KR20150098610A (ko) * | 2012-12-19 | 2015-08-28 | 디아이씨 가부시끼가이샤 | 비수성 이차 전지 부극용 활물질 및 비수성 이차 전지 |
| JP7098543B2 (ja) * | 2019-01-16 | 2022-07-11 | 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 |
| JP2020138895A (ja) * | 2019-03-01 | 2020-09-03 | Jnc株式会社 | シリコン系微粒子／シリコン含有ポリマー複合体、ＳｉＯＣ構造体、並びにＳｉＯＣ構造体を用いた負極用組成物、負極及び二次電池 |
| JP7606811B2 (ja) * | 2019-09-18 | 2024-12-26 | 信越化学工業株式会社 | 負極の製造方法 |
-
2023
- 2023-02-02 JP JP2023543159A patent/JP7491482B2/ja active Active
- 2023-02-02 WO PCT/JP2023/003305 patent/WO2023157643A1/ja not_active Ceased
- 2023-02-06 TW TW112104069A patent/TW202345439A/zh unknown
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