| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection structure of a secondary battery capable of suppressing a calorific value and the maximum temperature of a battery assembly in the connecting structure of the secondary battery having a plurality of battery assemblies each formed by connecting a plurality of unit cells in parallel. SOLUTION: In each of battery assemblies 2, a cooling gap 10 is formed between unit cells 2 adjacent in the central part in the arranging direction of the unit cells 1, an assembled positive terminal 4 formed by assembling and connecting positive terminals of the unit cells 1 and an assembled negative terminal 6 formed by assembling and connecting negative terminals 5 of the unit cells 1 are arranged so as to correspond to the cooling gaps 10, two unit cells 1 in the central part in which the calorific value is especially increased are cooled to reduce the calorific value and the maximum temperature of the battery assembly 2. COPYRIGHT: (C)2003,JPO
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