IP Library › Granted Patent US 12,506,219
Granted Patent B2
US 12,506,219 · App. 17/419,433 · Granted Dec 23, 2025

Battery tray and power battery pack

Inventors: Zhenghua Ren (Shenzhen, CN); Zhipei Lu (Shenzhen, CN); Kun Guo (Shenzhen, CN); Qingbo Peng (Shenzhen, CN); Yan Zhu (Shenzhen, CN)
Assignee: BYD COMPANY LIMITED
H01M50/358A62C3/08A62C3/16H01M10/48H01M50/249H01M50/367H01M50/375H01M50/383H01M50/209H01M2200/20H01M2220/20
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Quick Facts
Patent No.
US 12,506,219
App. No.
17/419,433
Granted
Dec 23, 2025
Kind
B2
Abstract

Provided are a battery tray and a power battery pack. The battery tray includes a tray body. The tray body includes a base plate, a side beam, and several partition plates, the side beam is disposed around the base plate and defines, together with the base plate, an accommodating space for battery cells. The partition plates are disposed on the base plate and divide the base plate into several regions for placing the battery cells. The partition plates and the side beam are each formed therein with an air passage and are in communication with each other. The partition plates are provided with several inlet vents, and the side beam is provided with at least one exhaust vent. The inlet vent is configured to introduce a flame, smoke or gas discharged from the battery cell into the air passage.

Claims (7)

1. A battery tray, comprising a tray body, wherein the tray body comprises a base plate, a side beam, and several partition plates, the side beam is disposed around the base plate and defines, together with the base plate, an accommodating space for battery cells, the partition plates are disposed on the base plate and divide the base plate into several regions for placing the battery cells; and

the partition plates and the side beam are each formed therein with an air passage and are in communication with each other, the partition plates are provided with several inlet vents, the side beam is provided with at least one exhaust vent, the inlet vent is configured to introduce a flame, smoke or gas discharged from the battery cell into the air passage, and the exhaust vent is configured to discharge the flame, smoke or gas from inside the air passage.

2. The battery tray according to claim 1 , wherein both the partition plate and the side beam are hollow structures that define the corresponding air passage.

3. The battery tray according to claim 1 , wherein the base plate is formed therein with an air passage, the air passages in the partition plates are in communication with the air passage in the base plate, and the air passage in the base plate is in communication with the air passage in the side beam.

4. The battery tray according to claim 3 , wherein the partition plate, the side beam, and the base plate are all hollow structures that define the corresponding air passage.

5. The battery tray according to claim 1 , further comprising a battery-pack anti-explosion valve, wherein the exhaust vent is blocked by the battery-pack anti-explosion valve.

6. The battery tray according to claim 1 , further comprising at least one of a smoke sensor or a gas sensor, wherein the at least one of the smoke sensor or the gas sensor is disposed in the air passage.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 29, 2021
From: REN, ZHENGHUA; LU, ZHIPEI
To: BYD COMPANY LIMITED
Reel/Frame 056712/0572 →
Priority Claims (1)
CN 201811642602.1 · Dec 29, 2018 · national
Continuity (1)
Related Publication 20220059901A1 · Feb 24, 2022
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