PROBLEM TO BE SOLVED: To provide a secondary battery pack capable of preventing an outer case from being deformed and damaged and also detecting the swelling and deformation of a single cell, even if the single cell is swelled and deformed.SOLUTION: A secondary battery pack includes: an outer case 15; a battery pack 14 including a plurality of single cells B arranged therein, the single cells being housed in a battery container 11, and housed in the outer case 15; and a spacer 12 provided between two single cells B adjacent to each other, having a frame part for maintaining a predetermined distance between the single cells B, and securing a gap between single cells facing each other at a part other than the frame part; and a pressure sensor provided to enter the gap.
【課題】単セルが膨出変形しても、外装ケースの変形や損傷を防止するとともに、単セルの膨出変形を検知することができる二次電池パックを提供する。【解決手段】外装ケース15と、電池容器11に収容された単セルBを複数個並べて構成され、外装ケース15内に収容されている組電池14と、隣り合う2つの単セルB間に設けられ、当該単セルB間に一定距離を保つ枠部を有するとともに、当該枠部以外の部位で、対向する単セルとの間に隙間を確保するスペーサ12と、この隙間に入り込んで設けられた圧力センサと、を備えた二次電池パックである。【選択図】図7
SECONDARY BATTERY PACK AND MOBILE BODY
二次電池パック及び移動体
30.07.2015
Patent
Elektronische Ressource
Japanisch
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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