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Negative Electrode Active Material, Negative Electrode Comprising Same Negative Electrode Active Material, And Secondary Battery Comprising Same Negative Electrode
Abstract: The present invention relates to a negative electrode active material, which comprises: a spherical carbon-based particle; and a carbon layer disposed on the spherical carbon-based particle and comprising a nanoparticle, wherein the nanoparticle includes: a silicon core; an oxide film layer disposed on the silicon core and comprising SiOx (0
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
05 May 2020
Publication Number
32/2020
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
mahua.ray@remfry.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-06-26
Renewal Date
Applicants
LG CHEM, LTD.
128, Yeoui-daero,
Yeongdeungpo-gu,
Seoul 07336
Inventors
1. CHOI, Jung Hyun
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
2. LEE, Yong Ju
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
3. KIM, Eun Kyung
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
4. JO, Rae Hwan
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
5. LEE, Su Min
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
6. KIM, Dong Hyuk
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
7. PARK, Se Mi
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
8. OH, Il Geun
LG Chem Research Park, 188, Munji-ro,
Yuseong-gu,
Daejeon 34122
Specification
Technology field
[One]
Mutual citations with related applications
[2]
This application claims the benefit of priority based on Korean Patent Application No. 10-2017-0148837 filed on November 9, 2017, and all contents disclosed in the literature of the Korean patent application are incorporated as part of this specification.
[3]
[4]
Technology field
[5]
The present invention relates to a negative electrode active material, a negative electrode comprising the negative electrode active material, and a secondary battery including the negative electrode, specifically, the negative electrode active material includes spherical carbon-based particles; And a carbon layer disposed on the spherical carbon-based particle and including a nanoparticle, wherein the nanoparticle comprises: a silicon core; An oxide layer disposed on the silicon core and including SiO x (0
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202017019080-IntimationOfGrant26-06-2023.pdf | 2023-06-26 |
| 1 | 202017019080-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [05-05-2020(online)].pdf | 2020-05-05 |
| 2 | 202017019080-PatentCertificate26-06-2023.pdf | 2023-06-26 |
| 2 | 202017019080-STATEMENT OF UNDERTAKING (FORM 3) [05-05-2020(online)].pdf | 2020-05-05 |
| 3 | 202017019080-Response to office action [04-05-2023(online)].pdf | 2023-05-04 |
| 3 | 202017019080-PRIORITY DOCUMENTS [05-05-2020(online)].pdf | 2020-05-05 |
| 4 | 202017019080-FORM 3 [21-04-2023(online)].pdf | 2023-04-21 |
| 4 | 202017019080-FORM 1 [05-05-2020(online)].pdf | 2020-05-05 |
| 5 | 202017019080-FORM 3 [02-02-2023(online)].pdf | 2023-02-02 |
| 5 | 202017019080-DRAWINGS [05-05-2020(online)].pdf | 2020-05-05 |
| 6 | 202017019080-Response to office action [22-12-2022(online)].pdf | 2022-12-22 |
| 6 | 202017019080-DECLARATION OF INVENTORSHIP (FORM 5) [05-05-2020(online)].pdf | 2020-05-05 |
| 7 | 202017019080-COMPLETE SPECIFICATION [05-05-2020(online)].pdf | 2020-05-05 |
| 7 | 202017019080-8(i)-Substitution-Change Of Applicant - Form 6 [23-11-2022(online)].pdf | 2022-11-23 |
| 8 | 202017019080-FORM-26 [29-08-2020(online)].pdf | 2020-08-29 |
| 8 | 202017019080-ASSIGNMENT DOCUMENTS [23-11-2022(online)].pdf | 2022-11-23 |
| 9 | 202017019080-PA [23-11-2022(online)].pdf | 2022-11-23 |
| 9 | 202017019080-Verified English translation [04-09-2020(online)].pdf | 2020-09-04 |
| 10 | 202017019080-Proof of Right [04-09-2020(online)].pdf | 2020-09-04 |
| 10 | 202017019080-Response to office action [03-11-2022(online)].pdf | 2022-11-03 |
| 11 | 202017019080-ABSTRACT [08-02-2022(online)].pdf | 2022-02-08 |
| 11 | 202017019080-FORM 3 [07-10-2020(online)].pdf | 2020-10-07 |
| 12 | 202017019080-AMMENDED DOCUMENTS [08-02-2022(online)].pdf | 2022-02-08 |
| 12 | 202017019080-FORM 18 [04-05-2021(online)].pdf | 2021-05-04 |
| 13 | 202017019080-CLAIMS [08-02-2022(online)].pdf | 2022-02-08 |
| 13 | 202017019080.pdf | 2021-10-19 |
| 14 | 202017019080-COMPLETE SPECIFICATION [08-02-2022(online)].pdf | 2022-02-08 |
| 14 | 202017019080-FER.pdf | 2021-10-19 |
| 15 | 202017019080-FER_SER_REPLY [08-02-2022(online)].pdf | 2022-02-08 |
| 15 | 202017019080-OTHERS [08-02-2022(online)].pdf | 2022-02-08 |
| 16 | 202017019080-FORM 13 [08-02-2022(online)].pdf | 2022-02-08 |
| 16 | 202017019080-MARKED COPIES OF AMENDEMENTS [08-02-2022(online)].pdf | 2022-02-08 |
| 17 | 202017019080-MARKED COPIES OF AMENDEMENTS [08-02-2022(online)].pdf | 2022-02-08 |
| 17 | 202017019080-FORM 13 [08-02-2022(online)].pdf | 2022-02-08 |
| 18 | 202017019080-FER_SER_REPLY [08-02-2022(online)].pdf | 2022-02-08 |
| 18 | 202017019080-OTHERS [08-02-2022(online)].pdf | 2022-02-08 |
| 19 | 202017019080-COMPLETE SPECIFICATION [08-02-2022(online)].pdf | 2022-02-08 |
| 19 | 202017019080-FER.pdf | 2021-10-19 |
| 20 | 202017019080-CLAIMS [08-02-2022(online)].pdf | 2022-02-08 |
| 20 | 202017019080.pdf | 2021-10-19 |
| 21 | 202017019080-AMMENDED DOCUMENTS [08-02-2022(online)].pdf | 2022-02-08 |
| 21 | 202017019080-FORM 18 [04-05-2021(online)].pdf | 2021-05-04 |
| 22 | 202017019080-ABSTRACT [08-02-2022(online)].pdf | 2022-02-08 |
| 22 | 202017019080-FORM 3 [07-10-2020(online)].pdf | 2020-10-07 |
| 23 | 202017019080-Proof of Right [04-09-2020(online)].pdf | 2020-09-04 |
| 23 | 202017019080-Response to office action [03-11-2022(online)].pdf | 2022-11-03 |
| 24 | 202017019080-Verified English translation [04-09-2020(online)].pdf | 2020-09-04 |
| 24 | 202017019080-PA [23-11-2022(online)].pdf | 2022-11-23 |
| 25 | 202017019080-FORM-26 [29-08-2020(online)].pdf | 2020-08-29 |
| 25 | 202017019080-ASSIGNMENT DOCUMENTS [23-11-2022(online)].pdf | 2022-11-23 |
| 26 | 202017019080-COMPLETE SPECIFICATION [05-05-2020(online)].pdf | 2020-05-05 |
| 26 | 202017019080-8(i)-Substitution-Change Of Applicant - Form 6 [23-11-2022(online)].pdf | 2022-11-23 |
| 27 | 202017019080-Response to office action [22-12-2022(online)].pdf | 2022-12-22 |
| 27 | 202017019080-DECLARATION OF INVENTORSHIP (FORM 5) [05-05-2020(online)].pdf | 2020-05-05 |
| 28 | 202017019080-FORM 3 [02-02-2023(online)].pdf | 2023-02-02 |
| 28 | 202017019080-DRAWINGS [05-05-2020(online)].pdf | 2020-05-05 |
| 29 | 202017019080-FORM 3 [21-04-2023(online)].pdf | 2023-04-21 |
| 29 | 202017019080-FORM 1 [05-05-2020(online)].pdf | 2020-05-05 |
| 30 | 202017019080-Response to office action [04-05-2023(online)].pdf | 2023-05-04 |
| 30 | 202017019080-PRIORITY DOCUMENTS [05-05-2020(online)].pdf | 2020-05-05 |
| 31 | 202017019080-PatentCertificate26-06-2023.pdf | 2023-06-26 |
| 31 | 202017019080-STATEMENT OF UNDERTAKING (FORM 3) [05-05-2020(online)].pdf | 2020-05-05 |
| 32 | 202017019080-IntimationOfGrant26-06-2023.pdf | 2023-06-26 |
| 32 | 202017019080-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [05-05-2020(online)].pdf | 2020-05-05 |
Search Strategy
| 1 | SearchHistory202017019080amendedAE_14-09-2022.pdf |
| 1 | searchstretagy202017019080E_06-08-2021.pdf |
| 2 | SearchHistory202017019080amendedAE_14-09-2022.pdf |
| 2 | searchstretagy202017019080E_06-08-2021.pdf |