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Device for heating a traction battery and method for operating a traction battery

A battery and traction motor technology, applied in the field of heating equipment for traction batteries and operating traction batteries, can solve problems such as battery performance limitation and battery performance degradation, and achieve extended durability, reduced balance requirements, and smooth heating. Effect

Pending Publication Date: 2018-08-31
ROBERT BOSCH GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the temperature of the battery is low, the performance of the battery is limited
Specifically, the performance of the battery declines as the temperature of the battery decreases

Method used

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  • Device for heating a traction battery and method for operating a traction battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] figure 1 A schematic view of an embodiment of a supply device 1 according to the invention for supplying at least one traction motor (not shown) of a vehicle with electrical energy is shown.

[0034] The supply device 1 includes a traction battery 2 connectable to the traction motor. The traction battery 2 comprises n strings S1 to Sn, each string having three battery modules 3 connected in series. Each battery module 3 includes three battery cells 4 connected in series. The traction battery 2 is a solid-state lithium-ion traction battery.

[0035] Furthermore, the supply device 1 includes a device 5 for heating the traction battery 2 . The device 5 includes a rechargeable battery 6 in the form of a starter battery. Furthermore, the device 5 includes three heating units 7 to 9 , each of which is arranged on a battery module 3 of the traction battery 2 . Alternatively, the device 5 may also include a heating unit (not shown) for further heating the battery modules 3...

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PUM

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Abstract

The invention provides a device for heating a traction battery and a method for operating a traction battery. The invention relates to a device (5) for heating a traction battery (2) of a vehicle, comprising: at least one rechargeable battery (6); at least one heating unit (7, 8, 9) that can be arranged at a part of the traction battery (2); at least one control unit (10) for controlling electricenergy supply from the rechargeable battery (6) to the heating unit (7, 8, 9); and at least one detection unit (11) connected with the control unit (10) for detecting at least one environmental parameter, at least one parameter of the traction battery (2) and / or at least one parameter of the rechargeable battery (6), wherein the control unit (10) controls the electric energy supply according to the parameters detected by the detection unit (11).

Description

technical field [0001] The invention relates to a device for heating a traction battery of a vehicle, a supply device for supplying electrical energy to at least one traction electric machine of a vehicle, and a method for operating a traction battery of a vehicle. Background technique [0002] Recently, rechargeable battery cells such as lithium-ion batteries are used in different applications. For example, battery units are installed in electric vehicles and hybrid vehicles to supply electric power to electric drive units of such vehicles. Several battery cells can be combined with each other to form a battery module of a modular battery. The battery cells of such a battery module are connected in series or in parallel. The battery modules are connected in series in one or more strings to form a modular battery. [0003] In most cases, such batteries operate at different and varying ambient temperatures. However, when the temperature of the battery is low, the performa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/48H01M10/42H01M10/617H01M10/635B60L11/18
CPCH01M10/617H01M10/635B60L58/27H01M10/425H01M10/486B60L1/02B60L2240/545B60L2250/14H01M10/625H01M10/63H01M10/615H01M10/6571B60L58/16B60L58/21Y02T10/70Y02E60/10
Inventor C.沃尔M.甘泽默
Owner ROBERT BOSCH GMBH
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