Battery cell, battery device and power-consuming device

The battery cell design with controlled porosity and one-dimensional conductive medium addresses the challenge of maintaining high energy density and performance during charge-discharge cycles by enhancing conductivity and stability through a persistent conductive network.

DE212025000144U1Undetermined Publication Date: 2026-07-02CONTEMPORARY 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
2025-03-18
Publication Date
2026-07-02

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Abstract

Battery cell comprising a positive electrode foil, wherein the positive electrode foil comprises a positive electrode collector and a positive electrode film layer arranged on at least one side of the positive electrode collector, wherein the porosity of the positive electrode film layer is between 10% and 25%; wherein the positive electrode film layer comprises positive electrode active material particles and a conductive medium; wherein the conductive medium comprises a one-dimensional conductive medium, wherein in the cross-section of the positive electrode film layer along the thickness direction of the positive electrode foil, the proportion of positive electrode active material particles connected by the one-dimensional conductive medium in the total positive electrode active material particles is between 20% and 100%.
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