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"Lithium Iron Phosphate Having Olivine Structure And Method For Analyzing The Same"
Abstract: Provided is an olivine-type lithium iron phosphate having a composition represented by Formula I, comprising 0.1 to 5% by weight of Li3PO4, and comprising no Li2CO3 or, if present, comprising Li2CO3 in an amount less than 0.25% by weight: Li1+aFe1-xMx(PO4-b)Xb (I) wherein M, X, a, x and b are as defined above. The lithium iron phosphate comprises no lithium carbonate (Li2CO3) or, if present, comprises the Li2CO3 in an extremely small amount, and comprises Li3PO4 having superior electrochemical stability, thermal stability and ionic conductivity, thus advantageously imparting high-temperature and storage stability as well as stability and rate properties to lithium secondary batteries, when used as a cathode active material for the lithium secondary batteries.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
18 April 2011
Publication Number
12/2012
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2015-08-28
Renewal Date
Applicants
LG CHEM, LTD.
20, YOIDO-DONG, YOUNGDUNGPO-GU, SEOUL 150-721, REPUBLIC OF KOREA
Inventors
1. SANGHOON CHOY
106-102, COUNTIES VILLA, 495, NOEUN-DONG, YUSEONG-GU, DAEJEON 305-325, REPUBLIC OF KOREA
2. YONG TAE LEE
126-32, GYEONGWONDONG 1-GA, WANSOAN-GU, JEONJU-SI, JEOLLABUK-DO 560-021, REPUBLIC OF KOREA
3. HONG-KYU PARK
301-1306, SONGRIMMAEUL APT., HAGI-DONG, YUSEONG-GU, DAEJEON 305-759, REPUBLIC OF KOREA
4. SOO MIN PARK
112-1001, HANMAEUL APT., SONGGANG-DONG, YUSEONG-GU, DAEJEON 305-756, REPUBLIC OF KOREA
5. HYO-SHIK KIL
204-2002, SAMSUNG RAEMIAN APT., GAJANG-DONG, SEO-GU, DAEJEON 302-182, REPUBLIC OF KOREA
6. CHEOL-HEE PARK
101-309, EXPO APT., JEONMIN-DONG, YUSEONG-GU, DAEJEON 305-761, REPUBLIC OF KOREA
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 2840-delnp-2011-GPA.pdf | 2011-12-21 |
| 1 | 2840-DELNP-2011-RELEVANT DOCUMENTS [21-08-2023(online)].pdf | 2023-08-21 |
| 2 | 2840-DELNP-2011-ASSIGNMENT WITH VERIFIED COPY [17-11-2022(online)].pdf | 2022-11-17 |
| 2 | 2840-delnp-2011-Form-5.pdf | 2011-12-21 |
| 3 | 2840-delnp-2011-Form-3.pdf | 2011-12-21 |
| 3 | 2840-DELNP-2011-FORM-16 [17-11-2022(online)].pdf | 2022-11-17 |
| 4 | 2840-DELNP-2011-POWER OF AUTHORITY [17-11-2022(online)].pdf | 2022-11-17 |
| 4 | 2840-delnp-2011-Form-2.pdf | 2011-12-21 |
| 5 | 2840-DELNP-2011-RELEVANT DOCUMENTS [15-09-2022(online)].pdf | 2022-09-15 |
| 5 | 2840-delnp-2011-Form-18.pdf | 2011-12-21 |
| 6 | 2840-DELNP-2011-RELEVANT DOCUMENTS [22-09-2021(online)].pdf | 2021-09-22 |
| 6 | 2840-delnp-2011-Form-1.pdf | 2011-12-21 |
| 7 | 2840-DELNP-2011-RELEVANT DOCUMENTS [23-08-2021(online)].pdf | 2021-08-23 |
| 7 | 2840-delnp-2011-Drawings.pdf | 2011-12-21 |
| 8 | 2840-DELNP-2011-RELEVANT DOCUMENTS [21-02-2020(online)].pdf | 2020-02-21 |
| 8 | 2840-delnp-2011-Description (Complete).pdf | 2011-12-21 |
| 9 | 2840-delnp-2011-Correspondence-others.pdf | 2011-12-21 |
| 9 | 2840-DELNP-2011-RELEVANT DOCUMENTS [28-03-2019(online)].pdf | 2019-03-28 |
| 10 | 268417-2840-DELNP-2011.pdf | 2018-12-10 |
| 10 | 2840-delnp-2011-Claims.pdf | 2011-12-21 |
| 11 | 2840-delnp-2011-Abstract.pdf | 2011-12-21 |
| 11 | 2840-DELNP-2011-RELEVANT DOCUMENTS [31-03-2018(online)].pdf | 2018-03-31 |
| 12 | 2840-del-2011-Correspondence Others-(09-04-2012).pdf | 2012-04-09 |
| 12 | Form 27 [31-03-2017(online)].pdf | 2017-03-31 |
| 13 | 2840-delnp-2011-Correspondence Others-(25-03-2015).pdf | 2015-03-25 |
| 13 | 2840-DELNP-2011_EXAMREPORT.pdf | 2016-06-30 |
| 14 | 2840-delnp-2011-Abstract-(16-07-2015).pdf | 2015-07-16 |
| 14 | Petition under rule 137.pdf | 2015-05-05 |
| 15 | 2840-delnp-2011-Claims-(16-07-2015).pdf | 2015-07-16 |
| 15 | 2840-delnp-2011-Correspondence Others-(07-05-2015).pdf | 2015-05-07 |
| 16 | 2840-delnp-2011-Assignment-(07-05-2015).pdf | 2015-05-07 |
| 16 | 2840-delnp-2011-Correspondence Other-(16-07-2015).pdf | 2015-07-16 |
| 17 | Petition Under Rule 137.pdf_4.pdf | 2015-07-14 |
| 17 | 2840-delnp-2011-Drawings-(16-07-2015).pdf | 2015-07-16 |
| 18 | 2840-delnp-2011-Form-3-(16-07-2015).pdf | 2015-07-16 |
| 18 | 2840-delnp-2011-Marked Claims-(16-07-2015).pdf | 2015-07-16 |
| 19 | 2840-delnp-2011-GPA-(16-07-2015).pdf | 2015-07-16 |
| 20 | 2840-delnp-2011-Form-3-(16-07-2015).pdf | 2015-07-16 |
| 20 | 2840-delnp-2011-Marked Claims-(16-07-2015).pdf | 2015-07-16 |
| 21 | 2840-delnp-2011-Drawings-(16-07-2015).pdf | 2015-07-16 |
| 21 | Petition Under Rule 137.pdf_4.pdf | 2015-07-14 |
| 22 | 2840-delnp-2011-Assignment-(07-05-2015).pdf | 2015-05-07 |
| 22 | 2840-delnp-2011-Correspondence Other-(16-07-2015).pdf | 2015-07-16 |
| 23 | 2840-delnp-2011-Claims-(16-07-2015).pdf | 2015-07-16 |
| 23 | 2840-delnp-2011-Correspondence Others-(07-05-2015).pdf | 2015-05-07 |
| 24 | Petition under rule 137.pdf | 2015-05-05 |
| 24 | 2840-delnp-2011-Abstract-(16-07-2015).pdf | 2015-07-16 |
| 25 | 2840-DELNP-2011_EXAMREPORT.pdf | 2016-06-30 |
| 25 | 2840-delnp-2011-Correspondence Others-(25-03-2015).pdf | 2015-03-25 |
| 26 | 2840-del-2011-Correspondence Others-(09-04-2012).pdf | 2012-04-09 |
| 26 | Form 27 [31-03-2017(online)].pdf | 2017-03-31 |
| 27 | 2840-delnp-2011-Abstract.pdf | 2011-12-21 |
| 27 | 2840-DELNP-2011-RELEVANT DOCUMENTS [31-03-2018(online)].pdf | 2018-03-31 |
| 28 | 268417-2840-DELNP-2011.pdf | 2018-12-10 |
| 28 | 2840-delnp-2011-Claims.pdf | 2011-12-21 |
| 29 | 2840-delnp-2011-Correspondence-others.pdf | 2011-12-21 |
| 29 | 2840-DELNP-2011-RELEVANT DOCUMENTS [28-03-2019(online)].pdf | 2019-03-28 |
| 30 | 2840-delnp-2011-Description (Complete).pdf | 2011-12-21 |
| 30 | 2840-DELNP-2011-RELEVANT DOCUMENTS [21-02-2020(online)].pdf | 2020-02-21 |
| 31 | 2840-DELNP-2011-RELEVANT DOCUMENTS [23-08-2021(online)].pdf | 2021-08-23 |
| 31 | 2840-delnp-2011-Drawings.pdf | 2011-12-21 |
| 32 | 2840-DELNP-2011-RELEVANT DOCUMENTS [22-09-2021(online)].pdf | 2021-09-22 |
| 32 | 2840-delnp-2011-Form-1.pdf | 2011-12-21 |
| 33 | 2840-DELNP-2011-RELEVANT DOCUMENTS [15-09-2022(online)].pdf | 2022-09-15 |
| 33 | 2840-delnp-2011-Form-18.pdf | 2011-12-21 |
| 34 | 2840-DELNP-2011-POWER OF AUTHORITY [17-11-2022(online)].pdf | 2022-11-17 |
| 34 | 2840-delnp-2011-Form-2.pdf | 2011-12-21 |
| 35 | 2840-delnp-2011-Form-3.pdf | 2011-12-21 |
| 35 | 2840-DELNP-2011-FORM-16 [17-11-2022(online)].pdf | 2022-11-17 |
| 36 | 2840-delnp-2011-Form-5.pdf | 2011-12-21 |
| 36 | 2840-DELNP-2011-ASSIGNMENT WITH VERIFIED COPY [17-11-2022(online)].pdf | 2022-11-17 |
| 37 | 2840-delnp-2011-GPA.pdf | 2011-12-21 |
| 37 | 2840-DELNP-2011-RELEVANT DOCUMENTS [21-08-2023(online)].pdf | 2023-08-21 |