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Positive Electrode Material For Rechargeable Lithium Ion Batteries

Abstract: a first lithium transition metal oxide based powder, comprising a material A having a layered crystal structure consisting of the elements Li, a transition metal based composition M and oxygen, the first powder having a particle size distribution with a span <1.0; and a second lithium transition metal oxide based powder having a monolithic morphology and a general formula Li1+bN"1-bO2, wherein -0.03=b=0.10, and N"=NixM"yCozEd, wherein 0.30=x=0.92 0.05=y=0.40, 0.05=z=0.40 and 0=d=0.10, with M" being either one or both of Mn or Al, and with E being a dopant different from M", the first powder having an average particle size D50 between 10 and 40 µ??, the second powder having an average particle size D50 between 2 and 4 µ??; and wherein the weight ratio of the second powder in the bimodal mixture is between 20 and 60 wt%.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
25 September 2020
Publication Number
41/2020
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
patent@depenning.com
Parent Application

Applicants

UMICORE
Rue du Marais 31 1000 Brussels
UMICORE KOREA LTD.
71, 3gongdan 2-ro Seobuk-gu, Chungcheongnam-do Cheonan-si Cheonan-si 330-200

Inventors

1. KIM, Dae-Hyun
71, 3gongdan 2-ro Seobuk-gu Chungcheongnam-do Cheonan-si Cheonan-si 331-200
2. PAULSEN, Jens
71, 3gongdan 2-ro Seobuk-gu Chungcheongnam-do Cheonan-si Cheonan-si 331-200
3. KUMAKURA, Shinichi
71, 3gongdan 2-ro Seobuk-gu Chungcheongnam-do Cheonan-si Cheonan-si 331-200
4. LEE, YuRi
71, 3gongdan 2-ro Seobuk-gu Chungcheongnam-do Cheonan-si Cheonan-si 331-200
5. ZHU, Liang
71, 3 gongdan 2-ro Seobuk-gu Chungcheongnam-do Cheonan-si Cheonan-si 331-200
6. YANG, TaeHyeon
71, 3gongdan 2-ro Seobuk-gu Chungcheongnam-do Cheonan-si Cheonan-si 331-200

Specification

Documents

Application Documents

# Name Date
1 202047041640-FER.pdf 2021-10-18
1 202047041640-STATEMENT OF UNDERTAKING (FORM 3) [25-09-2020(online)].pdf 2020-09-25
2 202047041640.pdf 2021-10-18
2 202047041640-REQUEST FOR EXAMINATION (FORM-18) [25-09-2020(online)].pdf 2020-09-25
3 Abstract 202047041640.jpg 2021-10-18
3 202047041640-PRIORITY DOCUMENTS [25-09-2020(online)].pdf 2020-09-25
4 202047041640-FORM 3 [01-03-2021(online)].pdf 2021-03-01
4 202047041640-FORM 18 [25-09-2020(online)].pdf 2020-09-25
5 202047041640-FORM 1 [25-09-2020(online)].pdf 2020-09-25
5 202047041640-Correspondence, Form-1 And POA _01-02-2021.pdf 2021-02-01
6 202047041640-FORM-26 [13-10-2020(online)].pdf 2020-10-13
6 202047041640-DRAWINGS [25-09-2020(online)].pdf 2020-09-25
7 202047041640-Proof of Right [13-10-2020(online)].pdf 2020-10-13
7 202047041640-DECLARATION OF INVENTORSHIP (FORM 5) [25-09-2020(online)].pdf 2020-09-25
8 202047041640-COMPLETE SPECIFICATION [25-09-2020(online)].pdf 2020-09-25
9 202047041640-Proof of Right [13-10-2020(online)].pdf 2020-10-13
9 202047041640-DECLARATION OF INVENTORSHIP (FORM 5) [25-09-2020(online)].pdf 2020-09-25
10 202047041640-DRAWINGS [25-09-2020(online)].pdf 2020-09-25
10 202047041640-FORM-26 [13-10-2020(online)].pdf 2020-10-13
11 202047041640-FORM 1 [25-09-2020(online)].pdf 2020-09-25
11 202047041640-Correspondence, Form-1 And POA _01-02-2021.pdf 2021-02-01
12 202047041640-FORM 3 [01-03-2021(online)].pdf 2021-03-01
12 202047041640-FORM 18 [25-09-2020(online)].pdf 2020-09-25
13 Abstract 202047041640.jpg 2021-10-18
13 202047041640-PRIORITY DOCUMENTS [25-09-2020(online)].pdf 2020-09-25
14 202047041640.pdf 2021-10-18
14 202047041640-REQUEST FOR EXAMINATION (FORM-18) [25-09-2020(online)].pdf 2020-09-25
15 202047041640-STATEMENT OF UNDERTAKING (FORM 3) [25-09-2020(online)].pdf 2020-09-25
15 202047041640-FER.pdf 2021-10-18

Search Strategy

1 2021-03-0213-03-17E_02-03-2021.pdf
1 Document4E_02-03-2021.pdf
2 2021-03-0213-03-17E_02-03-2021.pdf
2 Document4E_02-03-2021.pdf