US Patent Application 17920150. POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY simplified abstract
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Organization Name
Panasonic Intellectual Property Management Co., Ltd.
Inventor(s)
Mitsuhiro Hibino of Kyoto (JP)
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A simplified explanation of the abstract
This abstract first appeared for US patent application 17920150 titled 'POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Simplified Explanation
The patent application describes a positive electrode material for nonaqueous electrolyte secondary batteries.
- The material is a lithium transition metal composite oxide with specific composition.
- The composition includes elements such as Ni, Co, Mn, Ti, Fe, Al, Ge, Si, Ca, and Sr.
- The material also has a coating layer on its surface, which includes specific elements.
- The invention aims to improve the performance and stability of nonaqueous electrolyte secondary batteries.
Original Abstract Submitted
This positive electrode active material for nonaqueous electrolyte secondary batteries comprises: a lithium transition metal composite oxide which is represented by general formula LiM1M2M3OF(wherein 1≤x≤1.2, 0<y<1, 0.001≤z≤0.1, 0≤v≤0.2, 3.8≤w+v≤4.2, M1 represents one or more elements selected from the group consisting of Ni, Co and Mn, M2 represents one or more elements selected from the group consisting of Ti, Fe, Al, Ge and Si, and M3 represents one or more elements selected from the group consisting of Ca and Sr), while containing M1 and M2; and a coating layer which is formed on at least a part of the surface of the lithium transition metal composite oxide, while containing M2 and M3.
