国家/地区 美国（12） 日本（5） 世界知识产权组织（3） 中国（2）
IPC部 H（15） C（5） B（3）
IPC大类 H01（15） C01（3） B82（2）
C25（2）
IPC小类 H01M（15） C01B（3） H01G（3）
B82Y（2） C25D（2）
IPC H01M004/62（10） H01M004/36（8） H01M004/04（6）
H01M010/0525（5） H01M004/139（4） H01M004/587（4）
H01M004/13（3） H01M004/131（3） H01M004/133（3）
H01M004/66（3） B82Y030/00（2） C01B032/194（2）
C01B032/198（2） C25D013/02（2） H01G011/06（2）
发明人 OCHIAI T（5） YONEDA Y（5） YAMAZAKI S（4）
KURIKI K（3） MIKAMI M（3） OGUNI T（3）
TAJIMA R（3） IWAKI Y（2） KAWAKAMI T（2）
MOMMA Y（2） NARITA K（2） NARITA W（2）
OSADA T（2） TAKEUCHI T（2） YUKAWA M（2）
公开年 2020（8） 2021（6）
申请年 2020（15）
专利权人 SEMICONDUCTOR ENERGY LAB（15）

Secondary battery used for e.g., vehicle, comprises positive electrode, electrolyte, and negative electrode in which positive electrode has a positive electrode active material.

YAMAZAKI S, IWAKI Y, TAKAHASHI T, KURIKI K

Manufacturing lithium-ion storage battery involves providing negative electrode adjacent to positive electrode, which comprises positive electrode current collector and positive electrode active material layer.

OGINO K

Method for producing electrode, involves reducing graphene compound in mixture by chemical reaction in which reducing agent is utilized, and performing heat reduction treatment on mixture at temperature higher than that in heat treatment.

OCHIAI T, YONEDA Y, NARITA K, KURIKI K, NARITA W

Positive electrode active material layer for use in positive electrode of secondary battery of vehicle, has layered rock salt-type lithium layer of fourth region and surface of second region which are perpendicular to each other.

YAMAZAKI S, MIKAMI M, KURIKI K, YONEDA Y, OCHIAI T, IWAKI Y

Manufacturing a positive electrode for a secondary battery comprises forming slurry by mixing graphene oxide, binder and positive electrode active material in solvent containing water, applying the slurry on positive electrode current collector and reducing the graphene oxide.

YONEDA Y, OCHIAI T, NARITA K, MIKAMI M, NARITA W

Manufacturing storage battery, comprises forming first mixture comprising active material, graphene oxide and solvent, evaporating solvent in first mixture to form second mixture comprising active material and graphene oxide, and reducing graphene oxide in second mixture to form graphene.

YUKAWA M

Laminate film used in exterior case of secondary battery, has second layer over first layer, second layer comprises multiple graphene flakes, and third layer over second layer, where third layer comprises insulating synthetic resin.

TAJIMA R

Forming conductor involves forming sheet by stacking multiple sheets of graphene oxide so as to partly overlap with each other and, where sheet is subjected to reduction treatment and supplying dispersion liquid including a graphene oxide.

OCHIAI T, KAWAKAMI T, MIWA T

Lithium-ion secondary battery for use in automobile, such as car, and motor scooter, comprises positive electrode, which includes positive electrode active material and conductive additive includes carbon fiber, and graphene.

OCHIAI T, KAWAKAMI T, MIKAMI M, MOMMA Y, TAKAHASHI M, TSURUTA A

Secondary battery used as power source for electronic devices, comprises negative electrode comprising current collector provided with graphite comprising graphene layers, and positive electrode.

YAMAZAKI S, OGUNI T, MORIWAKA T, MOMO J, TAJIMA R, INOUE N