Positive electrode material of lithium-ion battery and preparation method therefor
US11996560B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2023 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Oct 25, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present disclosure relates to a positive electrode material for a lithium ion battery and its preparation. The positive electrode material in accordance with the present disclosure has an intrinsic specific surface area of 5-13 m2/g. The positive electrode material in accordance with the present disclosure has an intrinsic specific surface area and an intrinsic pore size within the required ranges. In this regard, the positive electrode material in accordance with the present disclosure has excellent particle strength, excellent Li ion transference ability, and good resistance to electrolyte erosion. When used in lithium batteries, it may impart the batteries with excellent rate performance and cycle performance. The present disclosure also relates to a method for preparing the positive electrode material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.