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一种动力电池分段变流末端均衡诱导养护方法及系统

InventionUnknown
10Claims · 2 independent
§ Ⅰ

Dossier Overview

Inventor

田印鹏; 蒋康

Filing Date

Jun 30, 2026

Publication Date

Oct 27, 2026

IPC Classification

H02J 7/00 (2026.01)H01M 10/42 (2006.01)H01M 10/48 (2006.01)H02J 7/52 (2026.01)H02J 7/90 (2026.01)

本发明公开了一种动力电池分段变流末端均衡诱导养护方法及系统,通过监测静默时长和平均荷电状态触发中段诱导养护模式,利用双向变流装置向电池组施加包含至少两个扰动频点的变流扰动,同步获取各单体电芯的动态响应信息并构建阻抗特征;将各单体电芯的阻抗特征与预设参考阻抗模型比较,根据偏离度确定待养护单体电芯,以降低偏离度为目标生成修复性微电流波形并作用于电池组,使待养护单体产生阻抗收敛响应;当偏离度满足预设退出条件时停止养护。本发明不依赖满充高压区间,不依赖静态电压差判据,在中段SOC区间即可实现在线诱导养护,适用于储能、备电等长期部分荷电状态运行的电池系统。

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