Low-temperature self-heating high-temperature heat dissipation anti-overcharge and over-discharge winding lithium battery and control method
A self-heating, lithium battery technology, used in battery temperature control, secondary batteries, battery circuit devices, etc., can solve problems such as single structure and function, poor temperature adaptability, etc., to protect performance, prevent overcharge and overdischarge, The effect of improving the service life
Active Publication Date: 2018-05-08
广东耀邦新能源股份有限公司
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Problems solved by technology
Traditional lithium batteries have poor temperature adaptability, and there is no overcharge protection device, and the structure and function are relatively simple
Method used
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[0023] Such as figure 1 It is a structural schematic diagram of the present invention, figure 2 It is a sectional view of A-A in the present invention, image 3 is the control circuit of the control block of the present invention, Figure 4 It is a schematic diagram of the structure of the battery case and the phase change layer, a low-temperature self-heating high-temperature heat dissipation anti-overcharge and over-discharge winding lithium battery, including positive electrode 1, negative electrode 11 and liquid injection hole 12, and also includes heat dissipation window 2 and status display. 3. The battery case 4, the phase change layer 5, the control block 6, the hub 7, the heating cylinder 8, the winding group 9 and the fan 10, the heat dissipation window 2 and the status display instrument 3 are all arranged on the side wall of the battery case 4, and The status indicator 3 is located directly below the cooling window 2, the cooling window 2 is provided with a temp...
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Abstract
The invention relates to the technical field of lithium batteries, in particular to a low-temperature self-heating, high-temperature heat dissipation, anti-overcharge and over-discharge winding lithium battery, which includes a positive electrode, a negative electrode and a liquid injection hole, and also includes a heat dissipation window, a status display, a battery case, The phase change layer, control block, hub, heating cylinder, winding group and fan, heat dissipation window and status display are all set on the side wall of the battery case, the heat dissipation window is equipped with a temperature sensor, and the status display is equipped with a red alarm Light and green alarm light, SOC sensor is installed at the lower end of the hub, winding group is installed inside the heating cylinder, fans are installed at both ends of the heating cylinder, hubs are installed at both ends of the fan, and a phase change layer is installed between the fan and the battery case . The lithium battery can adapt to various temperature conditions. It can self-heat at low temperature and self-radiate heat at high temperature. At the same time, it can prevent the battery from overcharging and overdischarging, protect the performance of the battery, and improve the service life. It is a powerful lithium-ion battery. .
Description
technical field [0001] The invention relates to the technical field of lithium batteries, in particular to a low-temperature self-heating, high-temperature heat dissipation, anti-overcharge and over-discharge wound lithium battery and a control method. Background technique [0002] With the development of science and technology, electric vehicles are becoming more and more popular, and the state also has various preferential policies for this. As the core key component of electric vehicles, batteries have a decisive impact on the driving performance of electric vehicles. The traditional lithium battery has poor temperature adaptability, and there is no overcharge protection device, and its structure and function are relatively simple. Contents of the invention [0003] In order to overcome the existing deficiencies, the present invention provides a low-temperature self-heating high-temperature heat dissipation anti-overcharge and overdischarge wound lithium battery and a ...
Claims
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IPC IPC(8): H01M10/0587H01M10/61H01M10/613H01M10/615H01M10/625H01M10/6563H01M10/42H01M10/44H02J7/00
CPCH01M10/0587H01M10/42H01M10/44H02J7/00H01M10/61H01M10/613H01M10/615H01M10/625H01M10/6563Y02E60/10Y02P70/50
Inventor 贝绍轶李波戴笠岳亮亮朱燕燕
Owner 广东耀邦新能源股份有限公司