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Is Fast Charging Bad For Your Electric Car's Battery?

Best Practices For LFP Electric Cars - https://youtu.be/w1zKfIQUQ-s

Best Practices For NMC Electric Cars - https://youtu.be/w4lvDGtfI9U

Does fast charging your electric car ruin the battery? It’s obvious that for convenience, and for those that can’t charge at home, the ability to fast charge a battery is critical for electric cars to be widely viable. But, studies repeatedly show that the faster your charging rate, the more degradation a battery has, which naturally raises the following questions that we’ll break down:

1. Does a faster charging rate degrade a battery faster?

2. Why does faster charging degrade a battery faster?

3. What practical solutions exist to prevent battery degradation from fast charging?

4. Do you need to actually think about it, or is it fine to regularly use fast chargers?

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Video Cited References:

C-Rate vs Cycle Life - https://doi.org/10.1109/ACCESS.2023.3271287

Battery Illustration - https://pubs.rsc.org/en/content/articlehtml/2021/cp/d1cp00359c

C-Rate vs SOC Graph - https://doi.org/10.1149/1945-7111/abace9

Temperature Effects - https://doi.org/10.1016/j.jpowsour.2018.09.069

RecurrentAuto - https://www.recurrentauto.com/research/impacts-of-fast-charging

US DOE Nissan Leaf Study - https://avt.inl.gov/vehicle-nav/fast-charge-effects-on-battery-life-and-vehicle-performance-study.html

GeoTab - https://www.geotab.com/blog/ev-battery-health/

Fast Charge Low Deg - http://dx.doi.org/10.1016/j.est.2017.07.004

Ford LFP Batteries - https://media.ford.com/content/fordmedia/fna/us/en/news/2023/02/13/ford-taps-michigan-for-new-lfp-battery-plant--new-battery-chemis.html

Other References:

LFP vs NMC - https://doi.org/10.1016/j.apenergy.2020.116344

Li-Plating Solution - https://www.pnas.org/doi/epdf/10.1073/pnas.1807115115

Fast Charging Strategies - https://doi.org/10.1016/j.est.2022.105507

Fast Charge Challenges - https://doi.org/10.1002/celc.202000650

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