Foreign research on micro short circuit of energy storage battery

What happens if a micro-short circuit fails in a battery?

If a micro-short circuit failure occurs in one of the battery cells, it may cause a serious internal short circuit or even thermal runaway. Consequently, it is extremely important to detect micro-short circuit faults in batteries.

Is micro-short-circuit (MSc) a latent risk in lithium-ion batteries?

Abstract: Micro-short-circuit (MSC) is a latent risk in power batteries, which may give rise to thermal runaway and even catastrophic safety hazards. The motivation of this paper is to quantitatively analyze MSC in an initial stage, particularly for lithium-ion batteries.

How to diagnose micro-short circuit fault of lithium-ion batteries?

A quantitative diagnosis method for the micro-short circuit fault of lithium-ion batteries is proposed. The remaining charging capacity is estimated using the charging cell voltage curve transformation. Estimated the leakage current and micro-short circuit resistance with low computational complexity.

Is micro-short circuit a safety hazard for lithium-ion battery packs?

Micro-short circuit (MSC) of a lithium-ion battery cell is a potential safety hazard for battery packs. How to identify the cell with MSC in the latent phase before a thermal runaway becomes a difficult problem to solve. We propose a diagnosis method to detect the MSC according to the remaining charging capacity (RCC) variations between cells.

Is there a short circuit fault diagnosis method for Li-ion (LiFePo 4) batteries?

This study investigated the internal short circuit (ISC) fault diagnosis method for Li-ion (LiFePO 4) batteries in energy storage devices. A short-circuit fault diagnosis method for battery module components based on voltage cosine similarity is proposed based on the characteristics extracted from the ISC fault battery.

What is ISC & external short-circuit fault in battery systems?

Internal short-circuit (ISC) fault in battery systems is considered one of the most severe problems that can result in thermal runaway and fire [4, 5]. Therefore, studying detection methods of ISC and external short-circuit faults of batteries is very important to ensure safety in the lives of people and to avoid major accidents.