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Battery pack with low-temperature heating function and communication standby power system

A battery pack and functional technology, applied in the direction of secondary batteries, battery pack parts, circuits, etc., can solve the problems of affecting battery life, slow heating of lithium battery packs, low cell temperature, etc., to improve charge and discharge performance and Service life, improvement of charging and discharging performance and its service life, effect of small heating temperature difference

Pending Publication Date: 2020-04-14
SHANGHAI PYLON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this low-temperature heating system are that the internal heating of the lithium battery pack is relatively slow; Larger, uneven heating, seriously affecting the service life of the battery

Method used

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  • Battery pack with low-temperature heating function and communication standby power system
  • Battery pack with low-temperature heating function and communication standby power system
  • Battery pack with low-temperature heating function and communication standby power system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0037] Such as figure 1 with figure 2 shown. A battery pack with a low-temperature heating function provided by the present invention includes a battery pack 1, a heating film 2 and a circuit board 3. The battery pack 1 is formed by stacking a plurality of battery cells 11 in sequence; At least one outer surface of the core 11 perpendicular to the stacking direction is attached with a heating film 2 to ensure that each battery cell 11 in the battery pack 1 can be heated with a small heating temperature difference and improve the heating uniformity of the battery cells 11 . On the one hand, the setting of the heating film 2 perpendicular to the stacking direction of the battery cells 11 will not affect the lateral heat dissipation of the battery pack 1 under high temperature conditions, and improv...

Embodiment 2

[0049] The structure of this embodiment is similar to that of Embodiment 1, except that: one of the outer surfaces of each cell 11 perpendicular to the stacking direction is attached with a heating film 2 to heat one side of each cell 11 , Preferably, the heating film 2 is arranged at equal intervals along the stacking direction of the battery cells 11 , that is, on the two outermost surfaces of the stacked battery pack 1 , only one of the outer surfaces is attached with the heating film 2 . The heating requirement of the battery cell 11 can be met by heating one side of the battery cell 11 through the heating film 2 .

[0050] The rest of the structure of this embodiment is the same as that of Embodiment 1 and will not be repeated here.

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Abstract

The invention discloses a battery pack with a low-temperature heating function and a communication standby power system, and relates to the field of communication standby power equipment. The batterypack comprises a battery group, heating films and a circuit board. The battery group is formed by stacking a plurality of battery cells in sequence; the plurality of heating films are arranged, the heating films are attached to at least one outer surface, vertical to a stacking direction, of each battery cell, and the heating films extend to form first pins; and the circuit board is connected withthe first pins. The heating films are attached to at least one outer surface, vertical to the stacking direction, of each battery cell of the battery group. The heating films are controlled through the circuit board to heat the battery cells so that each battery cell can be heated by the heating films, internal heating uniformity of the battery group is improved, heating time of the battery groupis shortened, charging and discharging performance of the battery group is improved, and a service life is prolonged.

Description

technical field [0001] The invention relates to the field of communication power backup equipment, in particular to a battery pack with a low-temperature heating function and a communication power backup system. Background technique [0002] In the field of communication backup power, soft-pack lithium-ion batteries are widely used in energy storage and outdoor equipment, and more and more attention has been paid to their work efficiency and service life. In view of its own performance characteristics, lithium-ion batteries generally have the best charge and discharge performance and life span when they are in the ambient temperature range of 20-45°C. However, under low temperature conditions, especially when charging at low temperatures, due to the lack of time for lithium ions to intercalate In the graphite negative electrode, metal lithium dendrites are precipitated on the surface of the negative electrode. This reaction will consume lithium ions in the battery that can b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M10/615H01M10/635H01M10/6551H01M10/6571
CPCH01M10/615H01M10/635H01M10/6551H01M10/6571H01M50/20Y02E60/10
Inventor 刘超进李番军施璐王宏凯
Owner SHANGHAI PYLON TECH CO LTD
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