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公开(公告)号：US20250033526A1
公开(公告)日：2025-01-30
申请号：US18917397
申请日：2024-10-16
Applicant: BYD Company Ltd.
Inventor： Shi Xiong , Tianyu Feng , Linwang Deng
Abstract: A battery circuit, comprising a power supply terminal, a first battery pack, a second battery pack, a voltage transformation unit, a first switch, a second switch and a grounding terminal, wherein a positive electrode of the first battery pack is connected to the power supply terminal, and a negative electrode thereof is connected to a positive electrode of the second battery pack; a negative electrode of the second battery pack is connected to the grounding terminal; a first terminal of the first switch is connected to the power supply terminal, and a second terminal thereof is connected to a first terminal of the second switch; a second terminal of the second switch is connected to the grounding terminal; the voltage transformation unit is connected between the first battery pack and the first switch. Also disclosed is a vehicle comprising the battery circuit.
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公开(公告)号：US20250065774A1
公开(公告)日：2025-02-27
申请号：US18941097
申请日：2024-11-08
Applicant: BYD Company Ltd.
Inventor： Shi Xiong , Tianyu Feng , Linwang Deng
Abstract: A battery circuit and a vehicle are disclosed. The battery circuit comprises a power supply terminal, a first battery pack, a second battery pack, a voltage transformation unit, a first switch, a second switch, a grounding terminal, and a control unit. A positive electrode of the first battery pack is coupled to the power supply terminal, and a negative electrode of the first battery pack is coupled to a positive electrode of the second battery pack; a negative electrode of the second battery pack is coupled to the grounding terminal; the voltage transformation unit is coupled between the negative electrode of the first battery pack and the second terminal of the first switch, and controls the first switch and the second switch to be connected or disconnected according to at least one of the temperature of the first battery pack, and the temperature of the second battery pack.
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公开(公告)号：US20250046928A1
公开(公告)日：2025-02-06
申请号：US18918680
申请日：2024-10-17
Applicant: byd cOMPANY lTD.
Inventor： Shichao Hu , Jianen Chen , Yaosheng Zhang , Jian Gao
IPC: H01M50/209 , G01R31/364 , H01M50/249
Abstract: An adapter module, a battery module, a battery pack, and a vehicle. The adapter module comprises a support member, a low-voltage plug member, a sampling assembly, and an electrode lead-out piece. The low-voltage plug member is provided on the support member. One end of the sampling assembly is provided on the support member; the described end of the sampling assembly is electrically connected to the low-voltage plug member; and the sampling assembly, is used for voltage sampling and/or temperature sampling. The electrode lead-out piece is provided on the support member, is spaced apart from the low-voltage plug member, and is electrically connected to the described end of the sampling assembly.
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公开(公告)号：US20250023146A1
公开(公告)日：2025-01-16
申请号：US18901636
申请日：2024-09-30
Applicant: BYD Company Ltd.
Inventor： Liwei Liang , Guosheng Tang , Chenchong Ma , Jian Zhang , Jinzhong Ouyang
IPC: H01M50/103 , H01M50/133 , H01M50/169 , H01M50/627
Abstract: A battery casing and a battery are disclosed. The battery casing comprises a casing body, an accommodating space being defined in the casing body, the casing body being provided with two open ends, and each open end being in communication with the accommodating space; a lower cover, the lower cover being coupled to one end of the casing body for closing one open end; an upper cover, the upper cover being coupled to the other end of the casing body for closing the other open end, the lower cover and/or the upper cover being a plate-shaped member(s), and side walls of the casing body being perpendicular to the plate-shaped member(s).
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Patent Agency Ranking
公开(公告)号：US20250023043A1
公开(公告)日：2025-01-16
申请号：US18902094
申请日：2024-09-30
Applicant: BYD Company Ltd.
Inventor： Yecheng Tian , Rong Hao , Minghao Zhuang , Liping Ge , Bizhe Su
IPC: H01M4/525 , H01M4/02 , H01M4/04 , H01M4/505 , H01M10/052 , H01M50/474
Abstract: A positive electrode material and an application thereof are provided. The positive electrode material comprises a secondary particle formed by stacking a plurality of primary particles. The positive electrode material further comprises a rock-salt phase cladding layer disposed on a surface of the secondary particle. A ratio of a particle size of the secondary particle to an average particle size of the primary particles is greater than or equal to 1.5; and the primary particles and the rock-salt phase cladding layer respectively comprise a nickel-based active material.
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公开(公告)号：US20250046907A1
公开(公告)日：2025-02-06
申请号：US18927015
申请日：2024-10-25
Applicant: BYD Company Ltd.
Inventor： Xiaolin Xiao , Rijun Zhong , Yaomin Cai , Qingbo Peng
IPC: H01M10/6551 , B60H1/00 , H01M10/613 , H01M10/625 , H01M10/6569 , H01M10/663 , H01M50/209
Abstract: A vehicle is provided with a battery pack comprising a heat radiator assembly. The heat radiator assembly comprises a first heat radiator, a second heat radiator, a third heat radiator, and at least one fourth heat radiator. The third heat radiator is coupled between the first heat radiator and the second heat radiator. The third heat radiator is separately communicated with the first heat radiator and the second heat radiator; the at least one fourth heat radiator is coupled between the first heat radiator and the second heat radiator; the at least one fourth heat radiator and the third heat radiator are arranged side by side between the first heat radiator and the second heat radiator; the first heat radiator and the second heat radiator are both stamping plate-type heat radiators; and the fourth heat radiator is a harmonica tube-type heat radiator.
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公开(公告)号：US20250020840A1
公开(公告)日：2025-01-16
申请号：US18899380
申请日：2024-09-27
Applicant: BYD Company Ltd.
Inventor： Qiyu Zhu , Lihong Zhao , Wenhai Luo , Feifei Duan , Aodong Zhang
Abstract: A texture structure, a cover plate, a mobile terminal, and a preparation method for the cover plate are disclosed. The texture structure includes a substrate, and a plurality of groups of gratings provided on one side of the substrate. The plurality of groups of gratings are arranged on the surface of the substrate in a crisscross pattern. Each group of gratings includes a plurality of grating units arranged side by side and extending in the same direction, and each grating unit is configured to have a grating surface inclined to the substrate.
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公开(公告)号：US20250042296A1
公开(公告)日：2025-02-06
申请号：US18918523
申请日：2024-10-17
Applicant: BYD Company Ltd.
Inventor： Linwang Deng , Tianyu Feng , Shi Xiong
Abstract: A battery circuit (e.g., in a vehicle) comprises a power supply terminal, a first battery pack, a second battery pack, a voltage transformation unit, a first switch, a second switch, a grounding terminal, and a control unit. A positive electrode of a first battery pack is coupled to the power supply terminal, and a negative electrode of the first battery pack is coupled to a positive electrode of a second battery pack; a negative electrode of the second battery pack is coupled to the grounding terminal; the first switch is coupled to the power supply terminal, the second switch is coupled to the grounding terminal; the voltage transformation unit is coupled between the first battery pack and the first switch and is configured to control an opening or closing of the first switch and the second switch according an output power and a power threshold of the battery circuit.
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公开(公告)号：US20250030138A1
公开(公告)日：2025-01-23
申请号：US18910739
申请日：2024-10-09
Applicant: BYD Company Ltd.
Inventor： Shichao Hu
IPC: H01M50/583 , H01M50/211 , H01M50/249
Abstract: A battery module, a nail penetration protection method for a battery module, and a vehicle are disclosed. The battery module comprises: multiple battery cores connected in series and comprising a first battery core group and a second battery core group, each including at least one battery core; a guard assembly comprising a first metal member, a first insulating member, and a second metal member; and a protection component being capable of cutting off a circuit. When a test steel nail sequentially penetrates through the battery core corresponding to the first metal member in the first battery core group, the first metal member, the first insulating member, and the second metal member, the battery module forms a loop; and when the test steel nail penetrates the battery core corresponding to the second metal member in the second battery core group, a short circuit loop is added in the battery module.
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