国家/地区 日本（10） 美国（10） 中国（3） 韩国（3） 世界知识产权组织（3） 台湾（2）
IPC部 H（14） C（9） B（2）
IPC大类 H01（14） C01（9） B82（2）
IPC小类 H01M（14） C01B（9） H01G（5）
IPC H01M004/62（14） H01M004/04（7） H01M004/36（6）
C01B031/02（5） C01B031/04（5） H01M004/133（5）
C01B032/198（4） H01M004/13（4） H01M004/139（4）
H01M004/58（4） H01M010/052（4） C01B032/182（3）
H01G011/36（3） H01G011/86（3） H01M004/131（3）
发明人 IKENUMA T（14）
公开年 2015（3） 2022（3） 2013（2） 2016（2）
申请年 2021（4）  2014（2）  2015（2）  2016（2） 
专利权人 SEMICONDUCTOR ENERGY LAB（14）

Preparing a positive electrode for a nonaqueous secondary battery, involves adding a positive electrode active material to a dispersion medium to form a first mixture, kneading the first mixture to form a second mixture, and adding binder.

IKENUMA T, YATABE R, YAMAKAJI M, SAITO Y, YUKAWA M, TODORIKI H

Graphene oxide used in semiconductor devices, artificial satellites, space explorers and planetary explorers and spacecraft, has specific wide and gentle peak in infrared absorption spectrum over wavelength.

TODOROKI H, IKENUMA T, YONEDA Y, YUKAWA M N

Forming electrode involves forming mixture comprises active material particle, graphene oxide, and poly(vinylidene fluoride), providing the mixture over current collector and dehydrofluorinating the poly(vinylidene fluoride).

IKENUMA T

Manufacturing electrode comprises forming active material layer of particle and piece of graphene oxide covering particle over current collector, impregnating active material layer with alcohol and performing heat treatment on the layer.

IKENUMA T

Manufacture of positive electrode for secondary battery, involves applying mixture containing electrode active material and graphene oxide having preset ratio of carbon to oxygen atoms on current collector, and reducing graphene oxide.

TODOROKI H, IKENUMA T, YONEDA Y, YUKAWA M

Preparation method of positive electrode for use in secondary battery, involves applying mixture containing graphene oxide, positive electrode active material and binder on position current collector, and reducing graphene oxide.

TODOROKI H, IKENUMA T, YONEDA Y, YUKAWA M

Manufacture of electrode used in storage battery, involves forming active material layer comprising particles covered with film comprising carbon, additive, graphene oxide and binder, and performing heat treatment on material layer.

IKENUMA T

Graphene oxide having specific weight ratio of oxygen to carbon, used as raw material of conductive additive in positive electrode for a non-aqueous secondary battery.

TODORIKI H, YUKAWA M, SAITO Y, YAMAKAJI M, YATABE R, IKENUMA T

Manufacturing a storage battery electrode by dispersing graphene oxide into a solution containing alcohol or acid, heating the graphene oxide in the solution, reducing the graphene oxide, and forming an active material layer.

IKENUMA T, YONEDA Y

Electrode for e.g. coin-type storage battery of e.g. mobile phones, has electrode main body including active material particle, graphene and polyvinylidene fluoride, where fluoride comprises one of polyene and aromatic ring structures.

IKENUMA T