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1. WO2007114615 - BATTERY PACK COMPRISING COMBINED TEMPERATURE-CONTROLLING SYSTEM

Publication Number WO/2007/114615
Publication Date 11.10.2007
International Application No. PCT/KR2007/001588
International Filing Date 31.03.2007
IPC
H01M 2/10 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details, or processes of manufacture, of the non-active parts
10Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
CPC
H01M 10/613
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
60Heating or cooling; Temperature control
61Types of temperature control
613Cooling or keeping cold
H01M 10/617
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
60Heating or cooling; Temperature control
61Types of temperature control
617for achieving uniformity or desired distribution of temperature
H01M 10/625
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
60Heating or cooling; Temperature control
62specially adapted for specific applications
625Vehicles
H01M 10/647
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
60Heating or cooling; Temperature control
64characterised by the shape of the cells
647Prismatic or flat cells, e.g. pouch cells
H01M 10/6555
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
60Heating or cooling; Temperature control
65Means for temperature control structurally associated with the cells
655Solid structures for heat exchange or heat conduction
6554Rods or plates
6555arranged between the cells
H01M 10/6557
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
60Heating or cooling; Temperature control
65Means for temperature control structurally associated with the cells
655Solid structures for heat exchange or heat conduction
6556Solid parts with flow channel passages or pipes for heat exchange
6557arranged between the cells
Applicants
  • LG CHEM, LTD. [KR]/[KR] (AllExceptUS)
  • AHN, Jaesung [KR]/[KR] (UsOnly)
  • JUNG, Do Yang [KR]/[KR] (UsOnly)
  • NAMGOONG, John E. [KR]/[KR] (UsOnly)
  • CHOI, Seungdon [KR]/[KR] (UsOnly)
  • PARK, Sinyoung [KR]/[KR] (UsOnly)
Inventors
  • AHN, Jaesung
  • JUNG, Do Yang
  • NAMGOONG, John E.
  • CHOI, Seungdon
  • PARK, Sinyoung
Agents
  • SOHN, Chang Kyu
Priority Data
10-2006-002996403.04.2006KR
Publication Language English (EN)
Filing Language Korean (KO)
Designated States
Title
(EN) BATTERY PACK COMPRISING COMBINED TEMPERATURE-CONTROLLING SYSTEM
(FR) BLOC BATTERIE COMPRENANT UN SYSTÈME DE COMMANDE DE TEMPÉRATURE COMBINÉ
Abstract
(EN)
Disclosed herein is a middle- or large-sized battery pack including a plurality of unit cells electrically connected with each other, wherein the battery pack is constructed in a structure in which a heat transfer medium flows through gaps defined between the unit cells for controlling the overall temperature of the battery pack to be within a predetermined temperature range for the optimum operation of the battery pack, and each unit cell is provided at the outer surface thereof, at which the heat transfer medium is brought into contact with each unit cell, with a layer containing a phase transformation material ('phase transformation layer') for minimizing individual temperature difference between the unit cells. The present invention has the effect of controlling the overall temperature of the battery pack and individually controlling the temperatures of unit cells constituting the battery pack. Also, the present invention has the effect of restraining the abrupt change in temperature of the unit cells, when the battery pack is not in operation or when the external environment abruptly changes, thereby preventing the degradation of the unit cells. Furthermore, the present invention has the effect of minimizing damage to the unit cells due to foreign matter when the foreign matter is brought into contact with the unit cells. In addition, the present invention has the effect of reducing the overall temperature difference of the battery pack and manufacturing a middle- or large-sized battery pack having a compact structure.
(FR)
L'invention concerne un bloc batterie de taille moyenne ou grande comprenant une pluralité d'éléments de batterie électriquement reliés entre eux. Ce bloc batterie est construit dans une structure dans laquelle un milieu de transfert de chaleur s'écoule à travers des espaces définis entre les éléments de batterie, pour commander la température globale du bloc batterie pour qu'elle se trouve à l'intérieur d'une plage de températures prédéterminée permettant un fonctionnement optimal de la batterie. Chaque élément de batterie est situé sur la surface extérieure du bloc, à l'endroit où le milieu de transfert de chaleur entre en contact avec chaque élément de batterie, une couche contenant une matière de transformation de phase ('couche de transformation de phase') permettant de minimiser la différence de température individuelle entre les éléments de batterie. L'invention permet de commander la température globale du bloc batterie et de commander individuellement les températures des éléments de batterie constituant le bloc batterie. L'invention permet également de restreindre le changement brusque de température des éléments de batterie, lorsque le bloc batterie ne fonctionne pas, ou lorsque l'environnement extérieur change de manière brusque, ce qui permet d'éviter une dégradation des éléments de batterie. L'invention permet encore de minimiser les dommages causés aux éléments de batterie en raison de matières étrangères, lorsque de la matière étrangère est amenée en contact avec les éléments de batterie. En outre, l'invention permet de réduire la différence de température globale du bloc batterie et de fabriquer un bloc batterie de taille moyenne ou grande présentant une structure compacte.
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