Battery protection apparatus, battery, and electronic device
By designing an independent conductive path in the battery protection device and using switching and sampling components for control, the problem of overheating during battery charging was solved, achieving a more efficient charging effect.
WO2026144400A1PCT designated stage Publication Date: 2026-07-09BYD CO LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- BYD CO LTD
- Filing Date
- 2025-10-15
- Publication Date
- 2026-07-09
AI Technical Summary
Technical Problem
Battery protection devices are prone to overheating during charging, which affects charging efficiency.
Method used
The design incorporates independent first and second conductive paths, which are connected to the battery cell via first and second connection terminals to reduce path overlap. Switching and sampling components are used to control the conduction and shutdown of the paths, ensuring path independence.
Benefits of technology
This reduces overheating of the battery protection device and improves battery charging efficiency and speed.
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Smart Images
Figure CN2025127933_09072026_PF_FP_ABST
Abstract
The present application relates to the field of batteries, and provides a battery protection apparatus, a battery, and an electronic device. The battery protection apparatus comprises a first conductive path and a second conductive path, the first conductive path being adapted to a charging and discharging process of a battery cell. The first conductive path comprises a first switch assembly, a first positive terminal, a first negative terminal, and a first connection terminal. The first positive terminal and the first negative terminal are separately connected to the first connection terminal. The first positive terminal is connected to the first connection terminal by means of the first switch assembly, and the first positive terminal and the first negative terminal are adapted to be connected to the battery cell. The second conductive path is adapted to the charging and discharging process of the battery cell. The second conductive path comprises a second switch assembly, a second positive terminal, a second negative terminal, and a second connection terminal. The second positive terminal and the second negative terminal are separately connected to the second connection terminal. The second positive terminal is connected to the second connection terminal by means of the second switch assembly, and the second positive terminal and the second negative terminal are adapted to be connected to the battery cell.
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