ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE

• Main Authors: HARADA YASUHIRO, TAKAMI NORIO, ISE KAZUKI
• Format: Patent
• Language: English; Japanese
• Published: 04.04.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide an active material capable of realizing a secondary battery exhibiting high energy density and having both rapid charge and discharge performance and long life, an electrode including the active material, a secondary battery including the electrode, a battery pack including the secondary battery, and a vehicle equipped with the battery pack.SOLUTION: According to the embodiment, an active material containing niobium-titanium composite oxide and Cu is provided.SELECTED DRAWING: Figure 1 【課題】 高いエネルギー密度を示し、且つ急速充放電性能と長寿命性が両立されている二次電池を実現することのできる活物質、該活物質を含む電極、該電極を具備する二次電池、該二次電池を具備する電池パック、及び該電池パックが搭載されている車両を提供すること。【解決手段】 実施形態によれば、ニオブ−チタン複合酸化物とＣｕとを含む活物質が提供される。【選択図】 図１