Positive electrode active material and lithium ion secondary battery
US-2026100364-A1 · Apr 9, 2026 · US
Li Mn-RICH CATHODE FOR HIGH ENERGY Li-ION BATTERY
US2026011723A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2026011723-A1 |
| Application number | US-202519086864-A |
| Country | US |
| Kind code | A1 |
| Filing date | Mar 21, 2025 |
| Priority date | Jul 8, 2024 |
| Publication date | Jan 8, 2026 |
| Grant date | — |
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Abstract
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A compound for use in a lithium, manganese-rich cathode for a Li-ion battery is doped Li1.2Ni0.2Mn0.6O2 including Li1.2Ni0.2Mn0.6O2 doped with Na+, Li1.2Ni0.2Mn0.6O2 doped with Co3+, or Li1.2Ni0.2Mn0.6O2 dual doped with Na+ and Co3+. A lithium, manganese-rich cathode for an Li-ion battery includes the aforementioned compound. A lithium-ion battery includes an anode, a cathode, and an electrolyte, wherein the cathode is the aforementioned lithium, manganese-rich cathode.
First claim
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1 .- 18 . (canceled) 19 . A lithium-ion battery comprising an anode, a cathode, and an electrolyte, wherein the cathode comprises Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Na + , Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Co 3+ , or Li 1.2 Ni 0.2 Mn 0.6 O 2 dual doped with Na + and Co 3+ . 20 . The lithium-ion battery of claim 19 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Na + . 21 . The lithium-ion battery of claim 20 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.175 Na 0.025 Ni 0.2 Mn 0.6 O 2 . 22 . The lithium-ion battery of claim 20 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.15 Na 0.05 Ni 0.2 Mn 0.6 O 2 . 23 . The lithium-ion battery of claim 19 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Co 3+ . 24 . The lithium-ion battery of claim 23 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.195 Co 0.025 Ni 0.195 Mn 0.585 O 2 . 25 . The lithium-ion battery of claim 23 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.19 Co 0.05 Ni 0.19 Mn 0.57 O 2 . 26 . The lithium-ion battery of claim 19 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is dual doped with Na + and Co 3+ . 27 . The lithium-ion battery of claim 26 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.17 Na 0.025 Co 0.025 Ni 0.195 Mn 0.585 O 2 . 28 . The lithium-ion battery of claim 26 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.155 Na 0.0375 Co 0.0375 Ni 0.1925 Mn 0.5775 O 2 . 29 . Doped Li 1.2 Ni 0.2 Mn 0.6 O 2 , comprising Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Na + , Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Co 3+ , or Li 1.2 Ni 0.2 Mn 0.6 O 2 dual doped with Na + and Co 3+ . 30 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 29 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Na + . 31 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 30 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.175 Na 0.025 Ni 0.2 Mn 0.6 O 2 . 32 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 30 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.15 Na 0.05 Ni 0.2 Mn 0.6 O 2 33 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 29 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.2 Ni 0.2 Mn 0.6 O 2 doped with Co 3+ . 34 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 33 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.195 Co 0.025 Ni 0.195 Mn 0.585 O 2 . 35 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 33 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.19 Co 0.05 Ni 0.19 Mn 0.57 O 2 . 36 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 29 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is dual doped with Na + and Co 3+ . 37 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 36 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.17 Na 0.025 Co 0.025 Ni 0.195 Mn 0.585 O 2 . 38 . The doped Li 1.2 Ni 0.2 Mn 0.6 O 2 of claim 36 , wherein the doped Li 1.2 Ni 0.2 Mn 0.6 O 2 is Li 1.155 Na 0.0375 Co 0.0375 Ni 0.1925 Mn 0.5775 O 2 .
Assignees
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Classifications
- C01G53/502Primary
containing lithium and cobalt · CPC title
containing elements as dopants · CPC title
one element only · CPC title
Electric properties · CPC title
by d-values or two theta-values, e.g. as X-ray diagram · CPC title
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- What does patent US2026011723A1 cover?
- A compound for use in a lithium, manganese-rich cathode for a Li-ion battery is doped Li1.2Ni0.2Mn0.6O2 including Li1.2Ni0.2Mn0.6O2 doped with Na+, Li1.2Ni0.2Mn0.6O2 doped with Co3+, or Li1.2Ni0.2Mn0.6O2 dual doped with Na+ and Co3+. A lithium, manganese-rich cathode for an Li-ion battery includes the aforementioned compound. A lithium-ion battery includes an anode, a cathode, and an electrolyt…
- Who is the assignee on this patent?
- Samsung Sdi Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C01G53/502. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Jan 08 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).