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Battery system

A battery system and battery unit technology, which is applied to secondary batteries, battery pack components, battery boxes/coatings, etc., can solve the problems of increased volume and weight of battery modules, difficulty in assembling battery modules with battery unit systems, etc.

Active Publication Date: 2018-07-31
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the conventional battery system has a problem that the volume and weight of the battery module increase
Furthermore, it is difficult to assemble battery modules using conventional battery cell systems

Method used

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Embodiment Construction

[0029] refer to Figure 1 to Figure 5 , provides a battery system 10 according to an exemplary embodiment. The battery system 10 includes a thermally conductive base member 20 , a heat transfer member 22 and a battery module 24 . An advantage of the battery system 10 is that the battery system 10 utilizes the heat transfer member 22 disposed directly against the ends of the pouch cells of the battery module 24 without having to use heat sinks disposed between the pouch cells to dissipate heat from the pouch cells. The thermal energy of the battery cells is transferred to the thermally conductive base member 20 .

[0030] refer to figure 2 and Figure 5 , the thermally conductive base member 20 is provided to conduct thermal energy from the heat transfer member 22 to the fluid flowing through the thermally conductive base member 20 . The thermally conductive base member 20 includes an outer housing 40 , an inlet member 42 and an outlet member 44 . The outer housing 40 has...

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Abstract

The present invention provides a battery system. The battery system comprises: a thermal conductive base member; a thermal interface member positioned on the thermal conductive base member; and a battery module including a first pouch-type battery cell, wherein the thermal interface member includes a first arcuate-shaped surface, a second arcuate-shaped surface, and a first groove, the first groove is positioned between the first arcuate-shaped surface and the second arcuate-shaped surface and extended to the thermal interface member, the first pouch-type battery cell includes a first outer housing in conjunction with a first end portion and a second end portion, a first end portion of the first outer housing includes a first extended portion, a first arcuate-shaped end surface, and a second arcuate-shaped end surface, the first extended portion of the first outer housing includes a first end and a second end, the first arcuate-shaped end surface of the first outer housing is extendedfrom the first end of the first extended portion of the first outer housing, the second arcuate-shaped end surface of the first outer housing is extended from the first end of the first extended portion of the first outer housing and spaced apart from the first arcuate-shaped end surface of the first outer housing, the first pouch-type battery cell is directly positioned on the thermal interface member such that a first extended portion of the first pouch-type battery cell is positioned in the first groove of the thermal interface member, the first extended portion of the first outer housing directly comes into contact with the thermal interface member, and the first arcuate-shaped end surface and the second arcuate-shaped end surface of the first pouch-type battery cell are directly positioned on each of the first arcuate-shaped surface and the second arcuate-shaped surface of the thermal interface member.

Description

technical field [0001] This application claims priority and benefit to US Patent Application No. 15 / 044,296, filed February 16, 2016, the disclosure of which is incorporated herein by reference in its entirety. [0002] The invention relates to a battery system. Background technique [0003] Conventional battery systems should use additional intermediate components for transferring thermal energy from the battery cells to cooling components. Therefore, the conventional battery system has a problem of increased volume and weight of the battery module. Furthermore, it is difficult to assemble battery modules using conventional battery cell systems. [0004] The present inventors have recognized a need for an improved battery system that utilizes a thermal interface member in direct contact with the ends of the pouch-type battery cells of a battery module to transfer heat from the pouch-type battery cells to Thermal energy is transferred to the thermally conductive base memb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/6554H01M10/6555H01M2/10H01M50/105H01M50/211H01M50/227H01M50/244
CPCH01M10/6556H01M10/6551H01M10/613H01M10/647H01M10/653Y02E60/10H01M50/105H01M50/227H01M50/244H01M50/211H01M10/6555H01M50/20
Inventor R·梅里曼S·达德利粱熙国
Owner LG ENERGY SOLUTION LTD