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Paralleling network, battery module, battery pack heating system and battery module heating method

A battery module and heating system technology, which is applied to battery pack components, secondary batteries, secondary battery repair/maintenance, etc., can solve problems such as increased power supply costs, reduced volume utilization, and reduced energy density. The effect of effectively maintaining energy density, increasing volume utilization, and increasing cruising range

Pending Publication Date: 2018-10-16
SUZHOU ANKAO ENERGY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0007] 1. The cost of power supply increases;
[0008] 2. The control strategy is more complicated;
[0009] 3. Increase the weight and reduce the energy density;
[0010] 4. Occupies a certain amount of space, and the volume utilization rate is reduced;
[0011] 5. Low heat transfer efficiency and poor temperature uniformity

Method used

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  • Paralleling network, battery module, battery pack heating system and battery module heating method
  • Paralleling network, battery module, battery pack heating system and battery module heating method
  • Paralleling network, battery module, battery pack heating system and battery module heating method

Examples

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Embodiment Construction

[0048] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present application and not limit the scope of the present application. The implementation conditions adopted in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.

[0049] Figure 1 to Figure 3 A specific embodiment of the application is shown, where figure 1 is the structure diagram of a single battery module, figure 2 to contain multiple figure 1 The battery pack structure of this battery module, image 3 for figure 1 The structure diagram of the parallel network in this battery module, Figure 4 for figure 2 The connection diagram of the heating power supply circuit between each parallel network in the battery pack shown.

[0050] figure 1 The battery modul...

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Abstract

The application discloses a novel structure of a paralleling network, a battery module used for configuring the paralleling network, a battery pack heating system for the battery module, and a heatingmethod for the battery module. The paralleling network is used for assembling in the battery module to connect a plurality of battery cells in parallel, the network is a conductive material that heats up after being energized, and the paralleling network comprises at least one positive connection terminal and at least one negative connection terminal. According to the paralleling network, batterymodule, battery pack heating system and battery module heating method, the battery module is directly heated by the parallel network of the battery module itself without the need of special heating component required for the battery module. The scheme is ingenious and straightforward, the structure is simple, the implementation is convenient, the module weight is not increased, and the overall cost is reduced.

Description

technical field [0001] The present application relates to a parallel network, a battery module configured with such a parallel network, a battery pack heating system for the aforementioned battery module, and a heating method for the aforementioned battery module. Background technique [0002] Lithium-ion batteries have become the focus of research due to their advantages such as high specific power, high energy density, long life, low self-discharge rate and long storage time, and gradually replace traditional lead-acid, nickel-metal hydride, nickel-cadmium and other batteries to the power battery market . As a new energy battery, lithium-ion power batteries are facing unlimited opportunities and challenges on the way to the power market. The charge and discharge capacity of lithium-ion batteries at low temperatures is attenuated, and the power performance is reduced. Below 0°C, the output performance of the lithium-ion battery is affected, and the performance of the batt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/20H01M2/22H01M10/615H01M10/617H01M10/6571H01M10/42H01M50/521H01M50/528
CPCH01M10/425H01M10/615H01M10/617H01M10/6571H01M50/502H01M50/528Y02E60/10
Inventor 顾江娜许玉林王爱淑魏辉岳帅
Owner SUZHOU ANKAO ENERGY
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