国家/地区 美国（6）
IPC部 H（6） C（3）
IPC大类 H01（6）
IPC小类 H01M（5） H01G（2）
IPC H01M004/36（4） H01M004/62（3） H01G011/38（2）
H01M004/131（2） H01M004/134（2） H01M004/587（2）
H01M010/0525（2）
发明人 KAWAKAMI T（3） OCHIAI T（3） MOMMA Y（2）
公开年 2022（6）
申请年 2022（6）
专利权人 SEMICONDUCTOR ENERGY LAB（6）

Material for hole transport layer of light emitting device, has deposited film whose potential gradient of surface potential is in specific range.

WATABE T, SEO H, UEDA L, KAWANO Y, TOMOHIRO K A, KITANO Y, DOS T, OHSAWA N, SEO S, TOSU T, KUBODA T, UEDA A, KONO Y, KUBOTA T, TORISU T, OSAWA N

Battery comprises positive electrode and negative electrode, where positive electrode includes positive electrode active material and conductive additive, positive electrode active material includes composite oxide containing lithium and manganese, composite oxide has first region and second region.

GOTO J, MOMMA Y, MOTOYOSHI M, HIROHASHI T, YOSHITOMI S, OCHIAI T, KAWAKAMI T

Power storage device comprises negative electrode comprising current collector, and active material layer comprising active material particles, graphene compound, and binder.

OGINO K

Conductor comprises graphene compound, where interlayer distance between adjacent layers in graphene compound is longer than and/or equal, and graphene compound comprises molecules and/or ions between adjacent layers.

MIWA T, KAWAKAMI T, OCHIAI T

Lithium-ion secondary battery for use in portable information terminals such as mobile phone, smartphone, laptop computer, portable music player, and digital camera, has positive electrode comprising positive electrode active material, where positive electrode active material comprises first region.

TAKAHASHI M, OCHIAI T, KAWAKAMI T, MOMMA Y

Electrode used to secondary battery including graphene-coated object comprises object comprising silicon and oxide and film-like carbon-based material on the object.

TAKEUCHI T, OSADA T, OGUNI T