Secondary batteries and electrical equipment

DE202023003124U1Active Publication Date: 2026-05-21CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Filing Date
2023-09-15
Publication Date
2026-05-21

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Abstract

Secondary battery, wherein the secondary battery comprises a cathode electrode and an anode electrode, wherein the anode electrode comprises a negative active material layer, wherein the negative active material layer contains a negative active material; wherein, in one and the same charge and discharge cycle, the volume ratio of the anode electrode during charging and discharging of the secondary battery is referred to as R, wherein R ≤ 1.5, and wherein the volume ratio of the cathode electrode during charging and discharging of the secondary battery is referred to as Y, wherein Y ≤ 0.98.
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