US Patent Application 18228732. NONAQUEOUS SECONDARY BATTERY simplified abstract

NONAQUEOUS SECONDARY BATTERY

Organization Name

Semiconductor Energy Laboratory Co., Ltd.

Inventor(s)

Shunpei Yamazaki of Tokyo (JP)

NONAQUEOUS SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18228732 titled 'NONAQUEOUS SECONDARY BATTERY

Simplified Explanation

The abstract describes a new design for a separator in a nonaqueous secondary battery.

• The battery includes a positive electrode, a negative electrode, an electrolyte solution, a first separator, and a second separator.
• The first and second separators are placed between the positive and negative electrodes.
• The first separator has a pore of a certain size, while the second separator has a pore of a different size.
• The volume proportion of the first pores in the first separator is different from the volume proportion of the second pores in the second separator.

Original Abstract Submitted

To provide a novel structure of a separator in a secondary battery. A nonaquesous secondary battery includes a positive electrode, a negative electrode, an electrolyte solution, a first separator, and a second separator. The first separator and the second separator are provided between the positive electrode and the negative electrode. The first separator is provided with a first pore, the second separator is provided with a second pore, and the size of the first pore is different from the size of the second pore. Furthermore, the proportion of the volume of the first pores in the first separator is different from the proportion of the volume of the second pores in the second separator.