Scholarlink

<p>Individual cell surveillance in lithium-ion battery systems has not yet been widely adopted in the industry due to the increased cost of the final product. Thereby, the limited number of temperature sensors in a battery pack endangers system safety. This paper proposes talkative power conversion for collecting the temperature data from the sensors of a large-format battery cell, utilizing the high-frequency signal induced by the power converter modulation. Such a battery is called talkative battery in this paper. The principle of load shift keying (LSK) is utilized to establish a communication link between the sensor and the power converter (e.g., a battery charger) via the wire line. The concept of talkative battery is theoretically analyzed and experimentally validated with two different lithium iron phosphate (LFP) battery cells. The findings indicate that low-cost individual cell thermal sensing is viable with minimal hardware requirements.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Talkative battery: super-safe batteries with power-modulation based internal and external sensor data collection

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月1日

查看全文
  • Johannes Diers,
  • Hamzeh Beiranvand

摘要

Individual cell surveillance in lithium-ion battery systems has not yet been widely adopted in the industry due to the increased cost of the final product. Thereby, the limited number of temperature sensors in a battery pack endangers system safety. This paper proposes talkative power conversion for collecting the temperature data from the sensors of a large-format battery cell, utilizing the high-frequency signal induced by the power converter modulation. Such a battery is called talkative battery in this paper. The principle of load shift keying (LSK) is utilized to establish a communication link between the sensor and the power converter (e.g., a battery charger) via the wire line. The concept of talkative battery is theoretically analyzed and experimentally validated with two different lithium iron phosphate (LFP) battery cells. The findings indicate that low-cost individual cell thermal sensing is viable with minimal hardware requirements.