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rory lee
Oct 13, 20241 min read
Causes of electric vehicle fires during charging and parking, and prevention methods
I created a PowerPoint animation about the causes of electric vehicle fires during charging and parking, and prevention methods, making...
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rory lee
Oct 11, 20241 min read
Optimal Cell Balancing Method for LFP
If you follow the steps below, cell balancing will be maximized, and the SOC algorithm will be accurately calibrated. Prepare to charge...
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rory lee
Oct 11, 20241 min read
Optimal Cell Balancing Method for NCM
Prepare to charge at a 20% level. Wait for 2 hours. Set the charging current to 5A. Charge up to 90%. Wait for 2 hours.
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rory lee
Sep 16, 20242 min read
the reasons behind the sudden changes in battery charge and driving range
There seem to be many people curious about the reasons behind the sudden changes in battery charge and driving range, so I would like to...
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rory lee
Aug 26, 20241 min read
Ranking BMS Technology in EVs: Analyzing Fire Incidents Across Top Brands in South Korea (2018-2024)
This study analyzes fire incident data from electric vehicles (EVs) in South Korea over a six-year period, focusing on the technological...
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rory lee
Aug 18, 20240 min read
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rory lee
Aug 15, 20241 min read
The Reasons Behind the South Korea Government's Push for Limiting Charging to 90%
There are YouTube videos and articles claiming that limiting charging to 90% is ineffective and unnecessary. While it might seem...
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rory lee
Aug 9, 20242 min read
Exploring Common Factors Behind Electric Vehicle Charging Fires: Understanding the Risks
Due to the recent news about fires caused by slow charging of the EV6, let's try to understand the root causes of these fires. Typically,...
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rory lee
Aug 8, 20241 min read
Recent fire incidents involving Mercedes Benz EQE and Hyundai EV6 have raised concerns about parking electric vehicles (EVs) in underground parking lots.
Recent fire incidents involving Mercedes Benz EQE and Hyundai EV6 have raised concerns about parking electric vehicles (EVs) in...
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rory lee
Jul 23, 20242 min read
Calculating Equivalent Full Cycles in Lithium-Ion Batteries Considering Capacity Degradation
1. Introduction Understanding the calculation of equivalent full cycles in lithium-ion batteries is essential for accurate monitoring and...
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rory lee
Jul 21, 20242 min read
LFP vs NMC for EV users.
The presentation aims to explain why manufacturers recommend charging LFP batteries to 100% and to highlight the key differences between...
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rory lee
May 25, 20241 min read
three major companies—Tesla, BYD, and Hyundai—that provide vehicle data via open API.
The APIs show that each company's strategy for collaborating with third-party companies varies. Some may actively collaborate, while...
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rory lee
May 15, 20242 min read
Common Sense Guide to EV Cell Balancing
Q1: Does cell balancing move energy between cells? A1:  Cell balancing includes Active cell balancing and Passive cell balancing. The...
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rory lee
Jan 7, 20241 min read
Research Direction for Company Operation: BYD Sodium-Ion Batteries but Still Uncertain
https://electrek.co/2024/01/05/byd-breaks-ground-first-sodium-ion-ev-battery-plant/?utm_source=dlvr.it&utm_medium=linkedin The...
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rory lee
Dec 27, 20233 min read
Electrochemical Impedance Spectroscopy (EIS) for battery state prediction
Using Electrochemical Impedance Spectroscopy (EIS) for battery state prediction, particularly in the context of lithium-ion batteries, is...
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rory lee
Dec 26, 20230 min read
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