<ul><li>A team of researchers took apart Tesla and BYD electric vehicle batteries to analyze their structures and performance.</li><li>The study revealed key differences between Tesla's 4680 battery cell and BYD's Blade battery cell. Tesla focuses on high energy storage and performance, while BYD focuses on space efficiency and cost reduction.</li><li>BYD's battery was found to be more efficient in managing heat, which is crucial for safety and long-term use.</li><li>Both companies use laser welding to connect their electrode foils, and despite their differences, they have similar percentages of passive components.</li></ul>

Tesla vs. BYD: Engineers take apart EV batteries to see what’s inside

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