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Cathode active material for secondary battery, cathode for secondary battery including the same, secondary battery including the cathode for secondary battery, and manufacturing methods thereof
US11837726B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11837726-B2 |
| Application number | US-202016829689-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 25, 2020 |
| Priority date | Nov 19, 2019 |
| Publication date | Dec 5, 2023 |
| Grant date | Dec 5, 2023 |
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Abstract
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The present disclosure relates to a cathode active material for a secondary battery, a cathode for a secondary battery including the same, a secondary battery including the cathode for a secondary battery and manufacturing methods thereof. More particularly, it is possible to obtain a secondary battery having excellent electrochemical characteristics by electrochemically inducing a structural phase change in the cathode active material of a secondary battery including NaCl as a cathode active material.
First claim
Opening claim text (preview).
What is claimed is: 1. A cathode for a secondary battery, comprising a cathode active material including NaCl in B2 phase. 2. The cathode for a secondary battery according to claim 1 , wherein said NaCl has a crystal structure of cubic system, belongs to a space group of Pm-3m, and has lattice parameters of a=2.8600-2.8630 Å, b=2.8600-2.8630 Å and c=2.8600-2.8630 Å. 3. The cathode for a secondary battery according to claim 1 , wherein said NaCl has a (100) B2 peak at a 2theta between 31.25° and 31.70° in X-ray diffractometry. 4. A secondary battery comprising the cathode for a secondary battery as defined in claim 1 . 5. An electrical device comprising the secondary battery as defined in claim 4 .
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- What does patent US11837726B2 cover?
- The present disclosure relates to a cathode active material for a secondary battery, a cathode for a secondary battery including the same, a secondary battery including the cathode for a secondary battery and manufacturing methods thereof. More particularly, it is possible to obtain a secondary battery having excellent electrochemical characteristics by electrochemically inducing a structural p…
- Who is the assignee on this patent?
- Korea Inst Sci & Tech
- What technology area does this patent fall under?
- Primary CPC classification H01M4/582. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Dec 05 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).