To provide a square secondary battery in which short circuit of a terminal and a sealing plate is prevented, and to provide a battery pack using the same and a vehicle.SOLUTION: In a square secondary battery 50 including an electrode body having a positive electrode plate and a negative electrode plate, a square exterior body 1 for housing the electrode body, a sealing plate 2 for sealing the opening of the square exterior body 1, and a negative electrode terminal 8 connected electrically with the negative electrode plate, and being used while placing the sealing plate 2 in a direction extending in the vertical direction, the positive electrode plate is connected electrically with the sealing plate 2, the sealing plate 2 has a recess 20 in the outer surface, and a terminal fitting hole 21 formed in the recess 20, the negative electrode terminal 8 is inserted into the terminal fitting hole 21, an outer insulation member 10 is placed between the negative electrode terminal 8 and the sealing plate 2, and the sealing plate 2 has a first groove 22 provided to be connected with the end of the recess 20 in the longitudinal direction of the sealing plate 2.SELECTED DRAWING: Figure 1
【課題】端子と封口板の短絡が防止された角形二次電池、それを用いた組電池及び車両。【解決手段】正極板と負極板を含む電極体と、電極体を収容する角形外装体1と、角形外装体1の開口を封口する封口板2と、負極板に電気的に接続された負極端子8とを備え、封口板2が鉛直方向に延びる向きに配置されて使用される角形二次電池50であって、正極板は封口板2と電気的に接続されており、封口板2は外側の面に凹部20と、凹部20内に形成された端子取り付け孔21を有し、負極端子8は端子取り付け孔21に挿入され、負極端子8と封口板2の間には外部側絶縁部材10が配置され、封口板2は、封口板2の長手方向における凹部20の端部に繋がるように設けられた第1溝部22を有する。【選択図】図1
SQUARE SECONDARY BATTERY, BATTERY PACK USING THE SAME AND VEHICLE
角形二次電池、それを用いた組電池及び車両
2018-12-27
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Electrode, secondary battery, battery pack, and vehicle
Europäisches Patentamt | 2022
|Secondary battery, battery pack, and electric vehicle
Europäisches Patentamt | 2020
|Electrode, secondary battery, battery pack, and vehicle
Europäisches Patentamt | 2020
|