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Is the AC heating method feasible for large laminated lithium-ion batteries?

The detailed experiments which include the AC pulse heating thermal tests under different parameters, the AC pulse heating cycle tests corresponding to battery SoH, and the low temperature charge tests are conducted to validate the feasibility of the AC heating method for the large laminated lithium-ion battery.

Can alternating current heat lithium-ion batteries at low temperatures?

This article has not yet been cited by other publications. In this paper, a heating strategy using high-frequency alternating current (AC) is proposed to internally heat lithium-ion batteries (LIB) at low temperatures. The strategy aims to strike a good ba...

What is the ac pulse heating method for high power Li-ion batteries?

The AC pulse heating method is improved for a high power Li-ion battery. It shows good heating results with the temperature homogeneity for large cells. Hundreds AC heating cycles are conducted to validate the cell SoH performance. The heating method does not aggravate degradation under normal voltage limitation. Abstract

Can a multi-stage AC preheating strategy be used for lithium-ion batteries?

Comprehensive EIS tests are conducted under different temperatures. A multi-stage AC preheating strategy is proposed for Li-ion batteries. It can effectively shorten the heating time without harming battery health. This paper presents a multi-stage alternative current (AC) strategy for internally hearting lithium-ion batteries.

How to preheat lithium-ion batteries at low temperature?

The preheating current parameters are adaptive with the cell temperature to achieve a higher heat generation rate with lithium deposition prevention. The proposed AC internal preheating method can be used to preheat lithium-ion batteries at low temperatures with high energy efficiency and uniform temperature distribution.

What is alternating current (AC) in a lithium ion battery?

Soc.163 A290DOI 10.1149/2.0961602jes Alternating current (AC) is capable of heating up a lithium-ion battery efficiently before charging at low temperature. Generally, the lower the frequency of the AC current, the higher the heat generation rate.

A non-destructive heating method for lithium-ion batteries at …

Thermal characteristics investigation of lithium-ion battery under high-frequency AC excitation in low-temperature environment. IEEE Trans Transp Electrification, 8 (2022), pp. …

Experimental investigations of an AC pulse heating method for …

Effect of the AC (alternating current) pulse heating method on battery SoH (state of health) for large laminated power lithium-ion batteries at low temperature is investigated …

High-Frequency AC Heating Strategy of Electric Vehicle Power Battery …

In this paper, a heating strategy using high-frequency alternating current (AC) is proposed to internally heat lithium-ion batteries (LIB) at low temperatures. The strategy aims to …

High-Frequency AC Heating Strategy of Electric Vehicle Power …

In this paper, a heating strategy using high-frequency alternating current (AC) is proposed to internally heat lithium-ion batteries (LIB) at low temperatures. The strategy aims to …

Multi-stage AC Low-Temperature Heating Strategy for Lithium-Ion Battery

Under the multi-stage AC heating method, the battery quickly heats up without lithium evolution, which solves the problem that the battery cannot be charged or operated in a …

Multi-stage AC Low-Temperature Heating Strategy for Lithium-Ion …

Under the multi-stage AC heating method, the battery quickly heats up without lithium evolution, which solves the problem that the battery cannot be charged or operated in a …

DC-AC hybrid rapid heating method for lithium-ion batteries …

Alternating current (AC) preheating strategy for lithium ion batteries (LiBs) at high state of charge (SOC) is prone to exceeding their voltage limit and risking their health. To …

Low temperature preheating techniques for Lithium-ion batteries…

However, the impact of quantified AC on battery health remains unclear. Most importantly, the undeniable need for an external power source during the AC heating process …

Measuring ACIR of Lithium-Ion Cells

Shown is a Nyquist plot from data collected using EIS on a lithium-ion battery pack. The battery pack''s temperature was changed, and the Nyquist plot generated at each …

A Review of AC Heating Technique for Lithium-Ion Batteries

The Alternating Current (AC) heating technique can heat the battery quickly and uniformly, and has advantages in terms of energy consumption, efficiency, and additional components. This …

DC-AC hybrid rapid heating method for lithium-ion batteries at …

Effect of the AC (alternating current) pulse heating method on battery SoH (state of health) for large laminated power lithium-ion batteries at low temperature is investigated …

Battery Test Methods

From 2013 to 2020, experts predict a 3.7 fold increase in the demand of lithium-ion batteries. This growing dependency on batteries requires advancements in diagnostics to …

(PDF) A Novel Optimal Charging Algorithm for Lithium-Ion Batteries ...

This study utilized AC Impedance analysis (ACZ) to obtain the internal parameter ... Actively temperature controlled health-aware fast charging method for lithium-ion …

An alternating current heating method for lithium‐ion …

An alternating current (AC) heating method for lithium-ion batteries is proposed in the paper. Effects of current frequency, amplitudes and waveforms on the temperature evolution and battery performance degradation …

Battery heating for lithium-ion batteries based on multi-stage ...

This paper presents an experimental study on the alternative current (AC) heating for lithium-ion batteries. A specialized test rig and a detailed test schedule are set up. …

An alternating current heating method for lithium‐ion batteries …

An alternating current (AC) heating method for lithium-ion batteries is proposed in the paper. Effects of current frequency, amplitudes and waveforms on the temperature …

Heating Lithium-Ion Batteries at Low Temperatures for Onboard ...

The AC heating method applies AC to the battery and generates heat through the internal impedance of the battery . Sinusoidal AC is a commonly used signal for AC …

Lithium battery AC vs DC measure method | All About Circuits

As said, my application is an Lithium battery. Now the main method is loading the battery with a resistor, and measuring current and voltage etc. Another method is using ac …