New Invention Profile
| Publication No: | CN120642057 [China] | Application No: | CN202480010437 |
| Title: | Air and moisture stable high-capacity positive electrode materials for sodium-ion battery | ||
| Publication Date: | 12-09-2025 | File Date: | 17-01-2024 |
| Inventor(s): | Prakash, Annigere Sannalingegowda; Kumar, Gogula Sudheer; Gangadharappa, Vasantha Annigere | ||
| IPC Classification: | H01M000404, H01M000448, H01M0004485, H01M0004505, H01M0004525, H01M0010054 | ||
| Abstract: | The present invention relates to a sodium ion battery comprising a positive electrode composition having improved battery performance and moisture and air stability. The positive electrode composition has a general formula Na xAzNiiMyMnjTikSbfO2, wherein A is an alkali metal or alkaline earth metal selected from Ca and Li, M is a divalent element or trivalent element selected from Fe, mg, zn, cu, al, co, ni is a divalent element, mn and Ti are tetravalent elements, and Sb is a pentavalent/trivalent element, wherein (i+j+k+f+y=1), x is 0.7-1, z is 0-0.2,0.1-i-0.6,0-y is 0.5, j is 0.1-0.5,0.05-k is 0.4, and f is 0-0.2. The invention is suitable for energy storage application. |
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Industrial Applications
Chemistry, Chemical Processes Polymers [Chemistry, Chemical Processes]