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US 12,686,015 B2Granted
Battery pack with structure for suppressing entry of charged particles
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTaro Matsushita
Life of this patent
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Abstract
A battery pack according to the present disclosure includes a battery cell, a case for storing the battery cell, a smoke exhaust port provided in the case, a smoke exhaust port provided outside the smoke exhaust port to form an electric field or a magnetic field outside the smoke exhaust port, and a trap device that traps charged particles by trapping the charged particles.
Claims2
A battery pack comprising:
- a battery cell;
- a case for housing the battery cell;
- a smoke exhaust port provided on a side surface of if the case, an eave being provided outside the smoke exhaust port;
- and
- a trap device that is provided outside the smoke exhaust port and traps a charged particle by making an electric field outside the smoke exhaust port, the trap device including:
- a first electrode;
- and
- a second electrode that is disposed to face the first electrode and has a potential different from the first electrode;
- wherein
- a late with a plurality of holes is provided in the smoke exhaust port the date extending from an inner side of the case to an outer side of the smoke exhaust port:
- the plate constitutes the first electrode by being electrically connected to one terminal of the battery cell;
- the eave constitutes the second electrode by being electrically;
- connected to another terminal of the battery cell;
- and
- an electric field in a vertical direction is made between the first electrode and the second electrode.
12 more elements
A battery pack comprising:
- a battery cell;
- a case for housing the battery cell;
- a smoke exhaust port provided in the case;
- and
- a trap device that is provided outside the smoke exhaust port and traps a charged particle by making an electric field outside the smoke exhaust port, the trap device including:
- a first electrode;
- and
- a second electrode that is disposed to face the first electrode and has a potential different from the first electrode,
- wherein:
- the smoke exhaust port is provided on a side surface of the case;
- the smoke exhaust port is provided with a lid having a plurality of holes;
- a plate with a plurality of holes is disposed in front of the lid, the plate hanging down in a vertical direction;
- the plate constitutes the first electrode by being electrically connected to one terminal of the battery cell;
- the lid constitutes the second electrode by being electrically connected to another terminal of the battery cell;
- and
- an electric field in a horizontal direction is made between the first electrode and the second electrode.
13 more elements
Dependencies are inferred from the claim text.