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等离子体宏观制备石墨烯取得突破性进展
时间:2019-12-19 11:57:18  来源:  作者:

 中国粉体网讯  中国科学技术大学工程科学学院热科学和能源工程系夏维东教授研究团队与合肥碳艺科技有限公司合作,提出“利用磁分散电弧产生大面积均匀热等离子体合成石墨烯”的新方法,突破了热等离子体工艺或高能耗、或产品均匀性低和生产稳定性不足的技术瓶颈,有望实现大规模连续生产。该研究成果近期以“Continuous synthesis of graphene nano-flakes by magnetically rotating arc at atmospheric pressure”和“The morphological transformation of carbon materials from nanospheres to graphene nanoflakes by thermal plasmas”为标题发表在《Carbon》。

 

SHIMOXI(Graphene)JUYOUYOUYIDEGUANGXUE、DIANXUE、LIXUETEXING,BEIRENWEISHIYIZHONGWEILAIGEMINGXINGDEGONGNENG/JIEGOUCAILIAO,ZAINENGYUANHUANJING、SHENGWUYILIAO、DIANZIQIJIAN、HUAGONGHEHANGKONGHANGTIANDENGDUOFANGMIANJUYOUZHONGYAODEYINGYONG。CAIYONGSHEPINGANYINGJIAREHEWEIBOJIAREDENGLIZITIZHIBEISHIMOXINENGHAOGAO,NANYIGONGYEHUAYINGYONG。REDENGLIZITIREJIETANQINGHUAHEWUHECHENGSHIMOXI,YOUYUDENGLIZITIDIANDAOLVSUIZHEWENDUZENGJIAXUNSUSHANGSHENG,DAOZHIDIANHUZIDONGSHOUSUODAOHENXIAODEFANWEI,DUIYUHECHENGSHIMOXIYAOQIUDEHAOMIAOJIFANYINGSHIJIAN,NANYISHIXIANJUNYUNJIARE,CHANPINJUNYUNXINGCHA,NENGHAOGAO。CAIYONGKETIZUYANZHIDECIFENSANDIANHUCHANSHENGDAMIANJIJUNYUNDENGLIZITIDEJISHU,JIEJUELEDENGLIZITIDUIWULIAOKUAISUJUNYUNJIAREWENTI。SUOZHIBEIDESHIMOXIPINGMIANCHICUN50-300nm,CENGSHU2-5 CENG,BIAOXIANCHULIANGHAODEJINGTIJIEGOUHECHAODADEBIBIAOMIANJI,CHANPINJUNYUNXINGHAO;ZHIBEIFANGFAJISHEBEIJIANDAN,YIBUHECHENG,WUXUHAIYUAN,QIEWUXUJIDI、CUIHUAJI、RONGYEHUOSUAN,SHOULVGAOYUE(~14%),NENGHAODIYUE~0.4kW·h/g,CHENGBENDI,JUBEISHIXIANDICHENGBENDAGUIMOLIANXUSHENGCHANDEQIANJING。

 

不同模式电弧CCD图像与石墨烯样品检测结果

 

十大杀号专家YANJIUGONGZUOTANJIULEDENGLIZICANSHU、YUANLIAOQITIZUCHENGYUNAMISHIMOXIXINGTAI、CENGSHUJIQUEXIANZHIJIANDEGUANXI,TONGSHIJIESHILECHANSHENGGAOCHUNDUSHIMOXIXUYAOGONGYITIAOJIAN。JIEHEDENGLIZITIFANYINGQILIUCHANGWENDUCHANGDESHUZHIMONIHEHUAXUEFANYINGDONGLIXUEJISUAN,TICHUSHIMOXIKENENGDEXINGCHENGJILI:DIPENGZHUANGPINLVDECHENGHEQIANQUTIYOULIYUXINGCHENGPIANCENG(sheet-like)HEXIN,BINGZAIFUQINGHEGAOWENDEDENGLIZITIHUANJINGZHONGBAOCHIPINGMIANSHENGZHANG。SHIMOXIXINGCHENGJILIDECHANMING,WEICHANPINSHENGCHANKONGZHITIGONGLELILUNZHIDAO。

 

十大杀号专家TUANDUIWANGCHENGTEPINFUYANJIUYUANHEBOSHISHENGCHENXIANHUIFENBIEWEILIANGPIANLUNWENDEDIYIZUOZHE,XIAWEIDONGJIAOSHOUWEILIANGPIANLUNWENDETONGXUNZUOZHE,WANGCHENGTEPINFUYANJIUYUANHEYETAOHONGFUJIAOSHOUFENBIEWEILIANGPIANLUNWENGONGTONGTONGXUNZUOZHE。BENXIANGMUHUODEGUOJIAZIRANKEXUEJIJINWEI、ZHONGGUOKEXUEYUANYIQIZHUANXIANGJIJINHEHEFEITANYIKEJIYOUXIANGONGSIDEZIZHU。

 

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