WO WO2026156762A1
Embodiments of the present application provide a battery device and an electric device. The battery device comprises battery cells and a case. Each battery cell is provided with a first pressure relief mechanism; the case is provided with an accommodating space for accommodating the battery cells, wherein the case is further provided with an exhaust channel, the exhaust channel is communicated with the accommodating space, and the exhaust channel is used for guiding emissions of the battery cells out of the case when the first pressure relief mechanism is actuated, the minimum flow area of the exhaust channel is S1, and the area of an inlet of the exhaust channel is S2, satisfying 1.66≤S2/S1≤160, 10 mm2≤S1≤90 mm2, and 150 mm2≤S2≤3200 mm2. The technical solution of the present application can reduce environmental pollution of a battery device under thermal runaway conditions.
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