公开(公告)号：US09630852B2

公开(公告)日：2017-04-25

申请号：US14848274

申请日：2015-09-08

申请人： Jianhong Liu

发明人： Jianhong Liu ,  Qianling Zhang ,  Chuanxin He ,  Jian Xu ,  Chao Hu

IPC分类号： C01B31/04

CPC分类号： C01B31/0446 ,  C01B32/182 ,  C01B32/184

摘要： A method of preparing a graphene material. The method includes: (1) preparing a liquid polyacrylonitrile (LPAN) solution, stirring the LPAN solution to yield a cyclized polyacrylonitrile solution; (2) stirring the cyclized LPAN solution at between 200 and 300° C. to yield a thermally-oxidized polyacrylonitrile; (3) grinding and sieving the thermally-oxidized polyacrylonitrile, and drying a resulting product at room temperature, to yield a thermally-oxidized precursor; (4) calcining the thermally-oxidized precursor in the presence of an inert gas flow of between 10 and 500 mL/min for between 1 and 24 hrs at the temperature of between 400 and 1000° C., to yield a carbonized precursor; and (5) calcining the carbonized precursor in the presence of an inert gas flow of between 10 and 500 mL/min for between 1 and 10 hrs at the temperature of between 1000 and 3000° C., to yield a graphene material.

公开(公告)号：US09399243B1

公开(公告)日：2016-07-26

申请号：US14821782

申请日：2015-08-09

申请人： Jianhong Liu

发明人： Jianhong Liu ,  Qianling Zhang ,  Chuanxin He ,  Jian Xu ,  Xiaoming Li ,  Chuhong Liao ,  Xiangning Ren

IPC分类号： A01B1/00 ,  B01J27/20 ,  B01J23/72 ,  B01J23/835 ,  B05D7/00 ,  B05D3/04 ,  B05D3/02 ,  A01N25/26 ,  A01N59/20 ,  B01J37/08 ,  B01J37/02 ,  B01J35/02

CPC分类号： B01J23/835 ,  A01N25/26 ,  A01N59/20 ,  B01J23/72 ,  B01J23/76 ,  B01J33/00 ,  B01J35/004 ,  B01J37/0219 ,  B01J37/084 ,  C01B32/00 ,  C01G3/02 ,  C08K3/00 ,  C09D5/1618

摘要： A method of preparing carbon-coated cuprous oxide, including: (1) preparing a liquid polyacrylonitrile (LPAN) solution, stirring the LPAN solution to yield a cyclized polyacrylonitrile solution; (2) heating the cyclized LPAN solution to yield a thermally-oxidized polyacrylonitrile (OPAN); (3) mixing the thermally-oxidized polyacrylonitrile with a copper compound to yield a mixture, and adding to the mixture a hydrophilic solvent or a hydrophobic solvent, thus yielding a polyacrylonitrile coated copper compound; (4) drying the polyacrylonitrile coated copper compound in an oven until the solvent is evaporated completely and the polyacrylonitrile coated on the copper compound is crosslinked to form a solid, where yielding a carbonized precursor coated copper compound; and (5) calcining the carbonized precursor coated copper compound in the presence of an inert gas flow of between 10 and 500 mL/min.

摘要翻译： 一种制备碳涂覆的氧化亚铜的方法，包括：（1）制备液态聚丙烯腈（LPAN）溶液，搅拌LPAN溶液以产生环化的聚丙烯腈溶液; （2）加热环化的LPAN溶液以产生热氧化聚丙烯腈（OPAN）; （3）将热氧化聚丙烯腈与铜化合物混合，得到混合物，向混合物中加入亲水性溶剂或疏水性溶剂，得到聚丙烯腈涂布的铜化合物; （4）在烘箱中干燥聚丙烯腈涂覆的铜化合物直到溶剂完全蒸发，并且涂覆在铜化合物上的聚丙烯腈交联以形成固体，其中产生碳化前体包被的铜化合物; 和（5）在10-500mL / min的惰性气流存在下煅烧碳化前体涂覆的铜化合物。

公开(公告)号：US09761346B2

公开(公告)日：2017-09-12

申请号：US14825146

申请日：2015-08-12

申请人： Jianhong Liu

发明人： Jianhong Liu ,  Qianling Zhang ,  Chuanxin He ,  Jian Xu ,  Xiangning Ren ,  Xiaoming Li ,  Chuhong Liao

IPC分类号： H01B1/08 ,  B22F9/24 ,  C09J9/02 ,  C09D133/20 ,  C08L79/00 ,  C08F220/44

CPC分类号： H01B1/08 ,  B22F1/02 ,  B22F9/24 ,  B22F2998/10 ,  B22F2999/00 ,  C08F220/44 ,  C08L79/00 ,  C09D133/20 ,  C09J9/02 ,  Y02E60/12 ,  Y02E60/122 ,  B22F1/0062 ,  B22F1/0085 ,  B22F2201/10

摘要： A method of preparing a copper-based composite conductive powder. The method includes: (1) preparing a liquid polyacrylonitrile (LPAN) solution, stirring the LPAN solution to yield a cyclized polyacrylonitrile solution; (2) heating the cyclized LPAN solution at between 200 and 300° C. for between 1 and 10 hrs to yield a thermally-oxidized polyacrylonitrile having a ladder structure; (3) adding the thermally-oxidized polyacrylonitrile and a copper compound to a solvent, and uniformly mixing, to yield a polyacrylonitrile coated copper compound; (4) drying the polyacrylonitrile coated copper compound to yield a carbonized precursor coated copper compound; and (5) calcining the carbonized precursor coated copper compound in the presence of an inert gas flow of between 10 and 500 mL/min for between 6 and 24 hrs at the temperature of between 300 and 1800° C.

公开(公告)号：US08945501B2

公开(公告)日：2015-02-03

申请号：US14040768

申请日：2013-09-30

申请人： Jianhong Liu ,  Jian Xu ,  Shuangquan Wu

发明人： Jianhong Liu ,  Jian Xu ,  Shuangquan Wu

IPC分类号： D01F9/14 ,  D01F9/22 ,  C01B31/02 ,  H01B1/04

CPC分类号： C01B31/0226 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/05 ,  C01B32/16 ,  C01B32/18 ,  D01F9/22 ,  H01B1/04

摘要： A method for preparing a carbon nanotube, including: a) preparing an LPAN solution, stirring the LPAN solution at between 100 and 200° C. for between 100 and 200 hours to yield a cyclized LPAN solution; b) heating the cyclized LPAN solution at between 200 and 300° C. for between 1 and 10 hours to yield an OPAN; c) grinding, screening, and drying at room temperature the OPAN to yield a thermal oxidative precursor; d) calcining the thermal oxidative precursor at between 400 and 1000° C. for between 1 and 24 h in the presence of inert gas having a flow rate of between 10 and 500 mL/min to yield a carbonated precursor; and e) calcining the carbonated precursor at between 1000 and 1500° C. for between 1 and 10 hours in the presence of the inert gas having a flow rate of between 10 and 500 mL/min to yield a carbon nanotube material.

摘要翻译： 一种制备碳纳米管的方法，包括：a）制备LPAN溶液，在100-200℃之间搅拌LPAN溶液100至200小时，得到环化的LPAN溶液; b）在200和300℃之间加热环化的LPAN溶液1至10小时以产生OPAN; c）在室温下研磨，筛选和干燥OPAN以产生热氧化前体; d）在流动速率为10至500mL / min的惰性气体存在下，将热氧化前体在400至1000℃之间煅烧1至24小时，得到碳酸化前体; 和e）在1000至1500℃之间的惰性气体存在下，在1000至1500℃之间煅烧碳酸化前体1至10小时，得到碳纳米管材料。