Air-cooled energy storage battery
An energy storage battery, air-cooled technology, applied in the direction of secondary batteries, battery components, circuits, etc., can solve the problem of affecting the performance and cycle life of energy storage modules, uneven heat dissipation of square battery modules, and energy storage modules. Poor internal ventilation and other problems, to avoid excessive battery temperature, improve thermal management safety, and improve charge and discharge efficiency
Pending Publication Date: 2021-07-30
ALPHA ESS CO LTD
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Problems solved by technology
[0003] Energy storage batteries are mainly placed in energy storage containers. Energy storage modules are the core components of energy storage containers. At present, most energy storage modules rely on self-cooling for heat dissipation. They use square iron-lithium batteries as energy units, based on square battery structures. Characteristics, square battery modules generally have defects such as uneven heat dissipation and unsmooth heat conduction paths, which lead to problems such as poor internal ventilation of the energy storage module and uneven cell temperature, which in turn affects the performance and cycle life of the energy storage module.
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[0026] The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.
[0027] If the present invention involves directions (for example, up, down, left, right, front, back, outside, inside, etc.) For the position and direction of description, refer to the operator of the equipment, the end close to the operator is the proximal end, and the end far away from the operator is the distal end." Or use the paper as a reference, the refrigerator depth direction as a reference, etc. to define. Of course, if the positional relationship between the two is defined by cross-referencing in subsequent descriptions, it may not be defined here.
[0028] Part of the existing energy stora...
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The invention discloses an air-cooled energy storage battery which comprises a battery cell, a box body, a fan and a heat dissipation plate. The box body comprises a box plate, and heat dissipation holes are formed in the box plate; the fan is arranged on the box plate, and the aperture ratio of the heat dissipation holes of the box plate far away from the fan is higher than that of the heat dissipation holes of the box plate close to the fan; the heat dissipation plate is arranged between the battery cell and the bottom of the box body, a main heat dissipation air channel is formed between the heat dissipation plate and the bottom of the box body, and the heat dissipation plate comprises a heat dissipation plate main body, heat dissipation plate fins and a limiting structure for limiting the position of the battery cell. The air-cooled energy storage battery further comprises a heat conduction pad, and the heat conduction pad is arranged between the heat dissipation plate and the battery cell. According to the air-cooled energy storage battery provided by the invention, different box plate aperture ratios and fan positions are set according to different heating values of the battery cells, and the structure of the heat dissipation plate is optimized, so that the working temperature of the battery cells is more balanced, the heat management safety of the energy storage battery is improved, and the charging and discharging efficiency and the service life of the energy storage battery are improved.
Description
technical field [0001] The invention relates to the technical field of energy storage batteries, in particular to an air-cooled energy storage battery. Background technique [0002] In today's society, with the development of science and technology, the new energy industry is also gradually developing, and the demand for energy storage containers and energy storage batteries is also increasing. To develop the new energy industry, we must vigorously develop energy storage with high safety, long life, and high energy density. Battery. [0003] Energy storage batteries are mainly placed in energy storage containers. Energy storage modules are the core components of energy storage containers. At present, most energy storage modules rely on self-cooling for heat dissipation. They use square iron-lithium batteries as energy units, based on square battery structures. Characteristics, square battery modules generally have defects such as uneven heat dissipation and unsmooth heat co...
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Login to View More IPC IPC(8): H01M10/613H01M10/617H01M10/6563H01M10/6554H01M50/204
CPCH01M10/613H01M10/617H01M10/6563H01M10/6554Y02E60/10
Inventor 张聪聪袁宏亮王珺林栋张新艳
Owner ALPHA ESS CO LTD