Ricoh Company, Ltd.

Shizuoka University

Yuka Araki

Naoto Abe

Yoshio Itoh

Tatsuya Dan

Shuhei Takeshita

Yasutaka Tanaka

To provide a non-aqueous electrolyte electricity-storage element including a positive electrode including a positive-electrode active material capable of inserting and releasing anions, a negative electrode including a negative-electrode active material capable of inserting and releasing cations, and a non-aqueous electrolyte, wherein the positive-electrode active material is porous carbon having pores having a three-dimensional network structure, and wherein a changing rate of a cross-sectional thickness of a positive electrode film including the positive-electrode active material defined by Formula (1) below is less than 45%.

Porous carbon having connecting mesopores and electrode

A non-aqueous electrolyte electricity-storage element which includes a positive electrode including a positive-electrode active material capable of inserting and releasing anions, a negative electrode including a negative-electrode active material, and a non-aqueous electrolyte, wherein the positive-electrode active material is formed of a carbonaceous material, and a surface of the carbonaceous material includes fluorine.

Non-aqueous electrolyte electricity-storage element including positive electrode having carbonaceous material with fluorine on surface

Non-aqueous electrolyte electricity-storage element

To provide a non-aqueous electrolyte storage element including a positive electrode including a positive-electrode active material capable of inserting and eliminating anions, a negative electrode including a negative-electrode active material, and a non-aqueous electrolyte, wherein the positive-electrode active material includes a carbon material which has a plurality of pores constituting a three-dimensional network structure and has a solid electrolyte interface (SEI) material on a surface of the carbon material.

Non-aqueous electrolyte storage element including positive electrode having solid electrolyte interface material on surface of carbon material

Growing community of inventors

Shizuoka, Japan

Yuka Araki