US Patent Application 18203416. LITHIUM-ION SECONDARY BATTERY simplified abstract

LITHIUM-ION SECONDARY BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Shigeharu Takagi of Toyota-shi (JP)

Mitsuhiro Murata of Kawanishi-shi (JP)

LITHIUM-ION SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18203416 titled 'LITHIUM-ION SECONDARY BATTERY

Simplified Explanation

The patent application describes a lithium-ion secondary battery with specific characteristics in its anode body layer.

• The battery consists of a cathode body layer, a separator layer, and an anode body layer.
• The anode body layer contains a solid electrolyte and an anode active material.
• The anode active material is graphite particles with a specific ratio of crystallite sizes.
• The ratio is determined by measuring the crystallite sizes of the (004) and (110) planes using X-ray crystal diffraction.
• The ratio must be 0.683 or more for the graphite particles in the anode active material.

Original Abstract Submitted

A lithium-ion secondary battery of the present disclosure includes a cathode body layer, a separator layer, and an anode body layer in that order, wherein the anode body layer contains a solid electrolyte and an anode active material, and wherein the anode active material is graphite particles having a ratio of a crystallite size of a (004) plane to a crystallite size of a (110) plane (the crystallite size of the (004) plane/the crystallite size of the (110) plane) measured by X-ray crystal diffraction measurement using CuKα rays of 0.683 or more.