JPWO2023100548A5 - - Google Patents
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- Publication number
- JPWO2023100548A5 JPWO2023100548A5 JP2023521877A JP2023521877A JPWO2023100548A5 JP WO2023100548 A5 JPWO2023100548 A5 JP WO2023100548A5 JP 2023521877 A JP2023521877 A JP 2023521877A JP 2023521877 A JP2023521877 A JP 2023521877A JP WO2023100548 A5 JPWO2023100548 A5 JP WO2023100548A5
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- active material
- electrode active
- material according
- mass
- 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
- 239000007773 negative electrode material Substances 0.000 claims 18
- 239000002344 surface layer Substances 0.000 claims 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 6
- 239000011856 silicon-based particle Substances 0.000 claims 5
- 239000002245 particle Substances 0.000 claims 4
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 229910002804 graphite Inorganic materials 0.000 claims 3
- 239000010439 graphite Substances 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000010304 firing Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000035515 penetration Effects 0.000 claims 2
- 239000011148 porous material Substances 0.000 claims 2
- 239000002243 precursor Substances 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000002441 X-ray diffraction Methods 0.000 claims 1
- 229910003481 amorphous carbon Inorganic materials 0.000 claims 1
- 229910021383 artificial graphite Inorganic materials 0.000 claims 1
- 238000005229 chemical vapour deposition Methods 0.000 claims 1
- 230000001186 cumulative effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 229910021382 natural graphite Inorganic materials 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000002296 pyrolytic carbon Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023111321A JP7552803B2 (ja) | 2021-12-03 | 2023-07-06 | 負極活物質、二次電池および負極活物質の製造方法 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021197251 | 2021-12-03 | ||
| JP2021197251 | 2021-12-03 | ||
| PCT/JP2022/040066 WO2023100548A1 (ja) | 2021-12-03 | 2022-10-27 | 負極活物質、二次電池および負極活物質の製造方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023111321A Division JP7552803B2 (ja) | 2021-12-03 | 2023-07-06 | 負極活物質、二次電池および負極活物質の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2023100548A1 JPWO2023100548A1 (https=) | 2023-06-08 |
| JP7323089B1 JP7323089B1 (ja) | 2023-08-08 |
| JPWO2023100548A5 true JPWO2023100548A5 (https=) | 2023-11-02 |
Family
ID=86611832
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023521877A Active JP7323089B1 (ja) | 2021-12-03 | 2022-10-27 | 負極活物質、二次電池および負極活物質の製造方法 |
| JP2023111321A Active JP7552803B2 (ja) | 2021-12-03 | 2023-07-06 | 負極活物質、二次電池および負極活物質の製造方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023111321A Active JP7552803B2 (ja) | 2021-12-03 | 2023-07-06 | 負極活物質、二次電池および負極活物質の製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250112237A1 (https=) |
| JP (2) | JP7323089B1 (https=) |
| CN (1) | CN118266103A (https=) |
| TW (1) | TW202418626A (https=) |
| WO (1) | WO2023100548A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250006899A1 (en) * | 2023-06-28 | 2025-01-02 | GM Global Technology Operations LLC | Anode void space burnout for high-content silicon carbon anodes for lithium-ion batteries |
| KR20250031334A (ko) * | 2023-08-28 | 2025-03-07 | 주식회사 에코프로비엠 | 이차전지용 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
| WO2025135798A1 (ko) * | 2023-12-21 | 2025-06-26 | 주식회사 엘지에너지솔루션 | 음극 활물질, 이를 포함하는 음극 및 이차전지 |
| KR20250152366A (ko) * | 2024-04-16 | 2025-10-23 | 삼성에스디아이 주식회사 | 전고체 전지용 음극 및 이를 포함하는 전고체 전지 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5143437B2 (ja) * | 2007-01-30 | 2013-02-13 | 日本カーボン株式会社 | リチウムイオン二次電池用負極活物質の製造方法、負極活物質及び負極 |
| KR101002539B1 (ko) * | 2008-04-29 | 2010-12-17 | 삼성에스디아이 주식회사 | 리튬이차전지용 음극활물질 및 이를 포함하는 리튬이차전지 |
| US10516153B2 (en) * | 2015-01-28 | 2019-12-24 | Sanyo Electric Co., Ltd. | Negative-electrode active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery |
-
2022
- 2022-10-27 US US18/715,930 patent/US20250112237A1/en active Pending
- 2022-10-27 CN CN202280076915.3A patent/CN118266103A/zh active Pending
- 2022-10-27 JP JP2023521877A patent/JP7323089B1/ja active Active
- 2022-10-27 WO PCT/JP2022/040066 patent/WO2023100548A1/ja not_active Ceased
-
2023
- 2023-03-03 TW TW112107824A patent/TW202418626A/zh unknown
- 2023-07-06 JP JP2023111321A patent/JP7552803B2/ja active Active
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