2019 Hyundai Kona

Hyundai Kona

The 2019 Hyundai Kona is an electric vehicle produced from 2018 to 2021. This is the long range 64kWh usable pack. The 64kWh pack has five modules that are located under the floor in the main cabin with two stacked modules under the rear seats. There are 294 cells total configured as 98s 3p. Note … Read more

Battery Pack Density Fundamental Limit

fundamental pack to cell density ratio

There is a battery pack density fundamental limit and that is the cell density. Obviously, but how close can we get to that limit? The following plot shows the pack gravimetric energy density plotted versus the cell gravimetric density. Added to this dataset is the fundamental limit. If we calculate the ratio of this we … Read more

Fire Mitigation Strategies

options for thermal barriers

Author: Nrusimhan Seshadri, Balance Batteries Having looked at the challenges and regulatory standards relating to fire hazards posed by Li-ion batteries in the previous article, in this article we will have a look at some of the fire mitigation strategies deployed across 10 BEVs in the current market. The choice of thermal barrier materials (TBMs) for a … Read more

2022 BTCC Hybrid Battery

BTCC hybrid battery pack in the vehicle footwell

The 2022 BTCC hybrid battery as designed and manufactured by Delta-Cosworth. This is an extreme version of a Mild Hybrid Electric Vehicle (MHEV), thus has a small energy storage capacity that is designed to fill in the engine power. Specifications The nominal capacity was estimated based on nominal voltage and total capacity. This is a … Read more

2021 BMW iX3

BMW iX3 vehicle in CAD

The 2021 BMW iX3 was the first electric vehicle off the BMW Gen5 battery system. We see 10 modules with double stacking under the 2nd row seats. The HV distribution and BMS are all located on top of the rear modules. Cooling pipes run through the centre between the modules and all of the HV … Read more