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Comparative study of EV-HEV-PHEV batteries

    A very interesting comparative study conducted by the SRA on the repairability of batteries🔋 for electric and hybrid vehicles. It rediscovers the significant cost of high-voltage batteries ⚡compared to the price of an electric car. But above all, the study highlights the repairability strategies specific to each manufacturer: 💭 An essential reading for understanding the challenges of battery life cycles… Read More »Comparative study of EV-HEV-PHEV batteries

    Water and Humidity Issues in Batteries

      High-voltage batteries in electric and hybrid vehicles must be able to resist water and humidity. Unlike conventional electronic equipment, these systems combine high energy concentration with sensitive chemical materials, amplifying the risks related to water exposure. This issue is all the more critical as these batteries are often installed under the vehicle floor, directly exposing them to road spray and… Read More »Water and Humidity Issues in Batteries

      Effects of storage on Li-ion batteries

        Lithium-ion (Li-ion) batteries, composed of electrochemical cells, undergo calendar aging even when not in use. These degradation mechanisms must be carefully managed during storage to preserve battery health and safety. This post examines these phenomena and their implications for storage protocols. We propose optimized storage strategies that balance operational costs with battery preservation. We focus on the two most prevalent… Read More »Effects of storage on Li-ion batteries

        Which data are available inside BMS ?

          The BMS (Battery Management System) is the electronic system found inside battery packs and modules. What data is available in this equipment? Here, we will focus on the six vehicles that are statistically the most commonly found in repair or dismantling in France, due to their market launch date and production volume. Voltage, temperature, SOC (State of Charge), SOH (State… Read More »Which data are available inside BMS ?

          European research on battery security

            The topic of Lithium battery safety concerns us all today. Being a complex subject, it requires research that leads to patents. This article analyzes the status of patents filed on this topic. Primarily integrating battery cells designed and manufactured in Asia, European companies logically focus on the safety of battery modules and packs.The Holy Grail of advanced research is being… Read More »European research on battery security

            Why Electric Car Batteries Outlast Vehicles, But Not in Trucks

              As the electric vehicle (EV) industry continues to evolve, there is growing evidence that high-voltage battery packs in electric cars often outlast the vehicles themselves. According to research highlighted in Electrek, many EV batteries maintain a substantial portion of their original capacity, even after the car has reached the end of its functional life. This extended battery life is primarily… Read More »Why Electric Car Batteries Outlast Vehicles, But Not in Trucks

              Highlight about battery safety risk due to counterfeiting

                The article from batterytechonline.com opens with a rather dramatic take, but it’s relevant to later event which is beeper explosion in Lebanon.In this case, the supply chain was compromised, replacing legitimate batteries with explosive devices.The article emphasizes the ongoing safety concerns surrounding counterfeit batteries. Let’s focus on the automotive sector. Make no mistake: the supply chain is meticulously managed by… Read More »Highlight about battery safety risk due to counterfeiting