国家/地区 世界知识产权组织（3）
IPC部 C（3）
IPC大类 C01（3） H01（3）
IPC小类 C01B（3）
IPC C01G053/00（3）
发明人 YAMAZAKI S（3） KURIKI K（2） OCHIAI T（2）
公开年 2022（2）
申请年 2021（2） 
专利权人 SEMICONDUCTOR ENERGY LAB（3）

Secondary battery e.g. lithium ion secondary battery used for vehicle and electronic devices, comprises positive electrode and negative electrode containing active materials containing graphite and silicon, and graphene compound.

KURIKI K, NAKAO T, OCHIAI T, TAKAHASHI T, YAMAZAKI S

Positive electrode for secondary battery for vehicle, power storage system and electronic device, comprises active substance, another active substance, and glass, or active material, another active material, glass, and conductive material, where active materials comprise composite oxide compounds.

YAMAZAKI S, KAKEHATA T, YOSHITOMI S, KAWATSUKI A

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