Iwate University

Kuraray Co., Ltd.

Nissan Chemical Industries Limited

Yoshihiro Kadoma

Naoki Fujiwara

Masaaki Ozawa

Hisato Hayashi

Yuhi Shimazumi

Takashi Wakui

Yoshio Yamamoto

Osamu Uesugi

Koichi Ui

A composite material including a carbon-containing material and a non-stoichiometric titanium compound shown by a chemical formula of LiTiO, where x is in a range of 0&#x3c;x&#x3c;0.30, the composite material including at least one composite particle that has a core portion including the non-stoichiometric titanium compound and a mixed layer formed on a surface of the core portion, the mixed layer including non-stoichiometric titanium compound and carbon, and having an atomic ratio of titanium and carbon in a range of Ti/C=1/50 or more.

Non-stoichiometric titanium compound-carbon composite, method for producing same, negative electrode active material and lithium ion secondary battery

There is provided a novel slurry composition for forming a lithium secondary battery electrode which can improve homogeneity of an electrode active material and a conductive assistant even without using an organic solvent and can improve the binding of an electrode active material and a conductive assistant with an electrode collector, and a lithium secondary battery with improved charge/discharge cycle characteristics and battery capacity. A slurry composition for forming a lithium secondary battery electrode, characterized by comprising an electrode active material (A), a conductive assistant (B), and a pulverized cellulose fiber (C) as an aqueous binder, and a lithium secondary battery electrode and a lithium secondary battery which are obtained using the composition, and an aqueous binder used for the composition.

Slurry composition for forming lithium secondary battery electrode containing cellulose fiber as binder, and lithium secondary battery electrode

Growing community of inventors

Morioka, Japan

Yoshihiro Kadoma