BATTERY MODULE

PROBLEM TO BE SOLVED: To reduce the number of temperature sensors for detecting abnormalities in temperatures of battery cells.SOLUTION: A battery module 1 includes: a plurality of battery cells 21-24; a heat transfer means 60 connected to the plurality of battery cells 21-24; and a temperature detection means 70 for detecting temperatures of the battery cells 21-24 via the heat transfer means 60. The heat transfer means 60 includes a plurality of heat transfer sections 61-64 for transferring thermal energy of the plurality of battery cells 21-24, respectively, to the temperature detection means 70. The plurality of heat transfer sections 61-64 have heat transfer efficiencies different from each other in accordance with distances between the battery cells 21-24 and the temperature detection means 70.SELECTED DRAWING: Figure 1 【課題】電池セルの温度異常を検出する温度センサの個数を低減する。【解決手段】複数の電池セル２１〜２４と、複数の前記電池セル２１〜２４と接続される伝熱手段６０と、前記伝熱手段６０を介して前記電池セル２１〜２４の温度を検出する温度検出手段７０とを備えた電池モジュール１において、前記伝熱手段６０が、複数の前記電池セル２１〜２４の熱エネルギをそれぞれ前記温度検出手段７０に伝達する複数の伝熱部６１〜６４を有するものであり、複数の前記伝熱部６１〜６４が、前記電池セル２１〜２４と前記温度検出手段７０との距離に応じて伝熱効率を異にして成る。【選択図】図１