BYD has outlined a battery-cooling design in a patent application published in China on October 5, 2026. The concept is aimed mainly at industrial and grid-scale energy storage: battery-cell modules are submerged in dielectric fluid, which can draw heat directly from their surfaces rather than relying on conventional indirect cooling.
New Energy
BYD patent details an immersion-cooled battery design for energy storage
The proposed cabinet keeps electrical controls in a dry upper chamber while battery cells sit in non-conductive coolant below.
Source: Quatro Rodas2026-10-091 min read
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