国家/地区 日本（4）
IPC部 B（4）
IPC大类 C01（4） H01（4） B82（3）
B32（2）
IPC小类 C01B（4）
IPC H01M004/133（4）
发明人 OGUNI T（3） KOKUNI T（2） NAGATA T（2）
NOMOTO K（2） OSADA T（2） TAKEUCHI T（2）
公开年 2012（4）
申请年 2012（3） 
专利权人 SEMICONDUCTO.（3）

Lithium ion secondary battery used for e.g. electrical machinery, has graphene layers which are provided with concavo-convex portion.

TEPEY O, TAKESHI O, TOSHIHIKO T, KUNIHARU N, OGUNI T, NAGATA T, TAKEUCHI T, NOMOTO K, OSADA T

Electrode such as a positive electrode or a negative electrode, useful in a battery e.g. manganese battery, comprises active material particles, and a graphene net that includes graphene sheets and is formed by heat treatment.

TODORIKI H, MOMO J, OGUNI T, INOUE N, TODOROKI H, KOKUNI T

Object useful as electrode of lithium-ion secondary battery, in electric device e.g. mobile phones, lighting devices and personal computers, and to manufacture graphene, comprises uneven surface and graphene layer over the uneven surface.

OGUNI T, OSADA T, TAKEUCHI T, NOMOTO K, KOKUNI T, NAGATA T

Graphene powder having specific elemental ratio of oxygen atoms to carbon atoms and specific elemental ratio of nitrogen atoms to carbon atoms, useful in electrochemical device, which is lithium ion secondary battery.

SUN P, WU Z, LIU G, TAMAKI E, KUBOTA Y, WU G, KAI W, GANG U