Positive electrode active material and method for manufacturing the same, positive electrode plate, battery and power consumption device
The positive electrode active material Na x Mn a Cu b M1 c M2 d M3 e O 2+f-g R g addresses the stability and capacity issues of sodium-ion batteries by optimizing copper distribution and valency balance, enhancing performance through improved structural stability and capacity retention.
JP2026518579APending Publication Date: 2026-06-09CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
- Filing Date
- 2024-01-31
- Publication Date
- 2026-06-09
Smart Images
Figure 2026518579000001_ABST
Abstract
A positive electrode active material, a method for producing the same, a positive electrode plate, a battery, and an electric power consumption device. This positive electrode active material contains Na x Mn a Cu b M1 c M2 d M3 e O 2+f-g R g and here, M1 contains an element capable of forming a cation with a valence of +2 or less, M2 contains an element capable of forming a cation with a valence of +3, M3 contains an element capable of forming a cation with a valence of +4 or more, R contains a Group VIIA element, 0.67 ≦ x ≦ 1.2, a + b + c + d + e = 1, a > 0, b > 0, c ≧ 0, d ≧ 0, e ≧ 0, -0.1 ≦ f ≦ 0.1, 0 ≦ g ≦ 0.05, and is TIFF2026518579000021.tif13170.
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