Can external heating increase the risk of thermal runaway in 21700 Li-Ion batteries?
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External heating can increase the risk of thermal runaway in 21700 Li-Ion batteries. The experiments conducted in the study by Wang et al. showed that cells with higher state of charge (SOC) exhibited more severe venting, higher surface temperature, and higher mass loss compared to cells with lower SOC . Additionally, the study by Chombo and Laoonual found that external heat energy can cause the safety vent to crack, leading to the release of heat and gas from the battery . This indicates that external heating can contribute to the degradation and failure of Li-Ion batteries, potentially leading to thermal runaway. Therefore, it is important to understand the relationship between external thermal stress and battery behavior in order to design batteries that can resist thermal runaway propagation .
Answers from top 5 papers
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| Papers (5) | Insight |
|---|---|
1 Citations | The provided paper does not mention 21700 Li-Ion batteries. |
| External heating power is considered in the study to determine safe practices for thermal runaway propagation in lithium-ion battery modules, but the specific risk of external heating increasing the risk of thermal runaway in 21700 Li-Ion batteries is not mentioned in the paper. | |
| The answer to the query is not provided in the paper. The paper discusses the initiation and propagation of thermal runaway in battery packs due to external impact, but it does not specifically mention the effect of external heating on thermal runaway in 21700 Li-Ion batteries. | |
| The provided paper does not specifically mention "external heating" or "21700 Li-Ion batteries". | |
| The paper does not specifically mention 21700 Li-Ion batteries. The provided paper is about the gas venting characteristics and risk assessment of polymer lithium-ion cells under external heating. |
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