国家/地区 中国（29）
IPC部 C（29）
IPC大类 C01（29）
IPC小类 C01B（29）
IPC C01B032/184（9） C01B032/198（6） C01B032/19（5）
B82Y030/00（4） C01B032/194（4） B01J020/20（2）
B01J020/30（2） B01J027/24（2） B22F009/04（2）
C02F001/28（2） C02F001/30（2） C02F101/30（2）
C02F101/38（2） C08K009/04（2） C08K013/06（2）
发明人 ZHANG L（29）
公开年 2019（15） 2020（13）
申请年 2019（29）
专利权人 UNIV YANCHEN.（4） CR CEMENT TE.（2） HUAIYIN NORM.（2） UNIV KUNMING.（2）
UNIV SHAANXI.（2）

Preparing graphene-based lithium metal composite micro-rods comprises subjecting slurry to wet spinning, and coagulating, subjecting graphene oxide-based gel micro rod slurry to a hydrothermal reaction and filtering.

YU S, MA T, ZHANG L, LAN Y, YANG J

Preparing graphene carbon nanotube composite aerogel electrode material, comprises e.g. mixing 1-bromo-n-alkane or brominated alkane with N-methylimidazole, then adding acetonitrile, heating, acidifying and post processing.

JI G, ZHANG L, LI J

Preparing epitaxial graphene, by putting silicon carbide substrate into deposition chamber of laser chemical vapor deposition equipment, turning on laser to irradiate substrate and adjusting laser power to reduce substrate temperature.

TU R, ZHANG S, ZHANG L

Preparing microwave-expanded graphene material used in concrete materials, by adding graphite, sodium nitrate and potassium permanganate to reaction vessel, dripping concentrated sulfuric acid, filtering and expanding graphene precursor.

ZHONG Y, CHEN W, ZHANG L, WANG Y, WU Y, LAO L

Preparing nitrogen and sulfur-doped graphene-copper(II) sulfide composite material comprises e.g. adding graphite powder and sodium nitrate into concentrated sulfuric acid, adding hydrogen peroxide and carrying out hydrothermal reaction.

SHENG Z, WEI K, YIN J, ZHONG H, ZHANG L

Preparing a graphene electrothermal film comprises e.g. taking graphite powder, heating under vacuum, increasing the temperature, expanding the graphite powder at high temperature, physically pressing from graphite powder and heating.

ZHANG L

Preparing nitrogen-doped graphene by adding graphite powder, sodium nitrate, concentrated sulfuric acid and potassium permanganate, heating, adding hydrogen peroxide, washing precipitate, dialyzing, adding urea, freeze-drying and heating.

SHENG Z, WEI K, YIN J, ZHONG H, ZHANG L

Preparing thermally-expandable graphene material used in cement, by dripping concentrated sulfuric acid to graphite, sodium nitrate and potassium permanganate, filtering, vacuum-drying, introducing argon gas, heating, expanding and pulling.

ZHONG Y, ZHANG L, CHEN W, WANG Y, LAO L, WU Y

Preparing large-size graphene based on laser fixed-point processing comprises e.g. uniformly coating layer of molten carbon-containing polymer on the substrate, randomly placing many graphene blocks, and scanning using laser light source.

CHEN Y, YAO Y, DING S, LONG J, HOU M, SHI D, CHEN X, GAO J, LIU Q, ZHANG L, HE Y, ZHANG S, WANG Z

Preparation of modified MFI-type molecular sieve by dissolving graphene in deionized water, adding ammonia water to adjust pH, and ultrasonically dispersing to form brown sol suspension until there is no graphene particles.

ZHANG L, CHANG X, CHANG Y