国家/地区 中国（3） 韩国（3） 美国（2）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC G01N033/00（7）
发明人
公开年 2020（7）
申请年 2018（3）  2019（2）  2020（2） 
专利权人

Preparing porous graphene useful in the field of lithium ion batteries, supercapacitors, fuel cells or sensors comprises mixing graphene and metal salt, heat-treating mixed materials under an inert atmosphere, and performing acid treatment.

ZHANG X, SHEN W, CAO J, CHEN Y

Ink useful for fabricating sensor electrode comprises water, polyvinylpyrrolidone or graphene.

BARNES F J, ROHAFZA A

Graphene composite material useful in gas sensors for monitoring formaldehyde, comprises magnesium oxide, chromium oxide, zirconia, and graphene.

WANG F

Producing reduced graphene oxide and ammonia gas sensor, comprises e.g. preparing first reactant by dissolving graphite, adding hydrogen peroxide to react to prepare third reactant, and preparing dispersion of graphene oxide particles.

KWON P S

Microwave-assisted preparation of metal oxide/graphene nanostructured material, prepared by e.g. irradiating soluble metal salt in graphene oxide solution, naturally cooling, centrifuging, washing precipitate, freeze-drying, and calcining.

YIN L, DING X, ZHANG Y, FENG J, GUO P

Sensor and device useful for detecting ammonia gas having high sensitivity, high selectivity, fast saturation, and fast recovery time, comprises board, graphene sheet positioned on board, and copper oxide nano particle on graphene sheet.

LEE K B, NAM Y, LEE Y, SIMBALANKO O, NAM Y S, LEE Y H, TSYMBALENKO O

Surface-decorated flexible graphene self-heating gas sensor used for e.g., smart sensors comprises pattern of graphene that is decorated with metal nanoparticles formed on flexible substrate, and detects gas by applying an external voltage.

JANG H W, KIM Y