国家/地区 中国（4）
IPC部 B（4）
IPC大类 B82（4）
IPC小类 B82Y（4） C01F（4） C01B（2）
C01D（2） C01G（2）
IPC B82Y040/00（4）
发明人 CAO A（3） GONG W（3） HOU S（3）
LIU T（3） SONG X（3） WANG W（3）
公开年 2022（3）
申请年 2021（3） 
专利权人 SHANDONG LEA.（2）

Preparing composite material of oxidized graphene/nano barium sulfate to paint, pigment, coating, ink, storage battery, paper making, plastic, rubber, ceramic, enamel, and spice industries, involves adding pre-treated graphene waste sulfuric acid.

LI P, GONG W, CAO A, LIU T, WANG W, HOU S, SONG X

Utilizing waste sulfuric acid and washing waste water in preparation process of graphene oxide, involves conveying filtered waste sulfuric acid into reactor, stirring, conveying barium carbonate slurry, reacting, aging, filtering, adjusting pH, adding potassium permanganate, stirring and filtering.

GONG W, CAO A, LIU T, SONG X, HOU S, WANG W

Method of utilizing manganese-containing sulfuric acid liquid to prepare high-purity nano-barium sulfate used in processing of e.g. lithium manganate battery, involves adding complexing agent to sulfuric acid solution, reacting with e.g. prefabricated barium carbonate slurry, and drying.

GONG W, CAO A, LIU T, SONG X, HOU S, WANG W

Graphene quantum dot composite material for use in lead-acid battery, is prepared by mixing carbon source with solid carrier particles, and reacting at specified temperature, or performing microwave treatment.

WU J, HE X, TIE S, HE K