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分享:活性炭中的氮掺杂与超级电容器

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分享:活性炭中的氮掺杂与超级电容器

发布日期:2018-07-16 作者: 点击:

   通过结合锂离子电池和超级电容器的主要优势,锂离子混合超级电容器已经成为极具吸引力的储能系统。作为锂离子电池和超级电容器中的普通电极材料,石墨烯和活性炭提供具有高化学,热和物理稳定性的可调谐多孔结构,这又与其它电极相比导致优异的电导率和改善的容量。认为在石墨烯和活性炭中的元素氮掺杂被认为进一步提高它们的性能。在这篇综述中,简要总结了混合超级电容器的最新技术,重点是使用石墨烯和活性炭。还强调了随后在LiHSCs中掺杂有石墨烯和活性炭的氮。

开心棋牌  SUIHUNHECHAOJIDIANRONGQIDEZUCHENG

开心棋牌  SUIZHEJISHUZHUANGBEISHULIANGDEZENGJIAHEBIANXIESHIDIANZICHANPINDEFAZHAN,QUANQIUDUIZHINENGGAOXIAOCHUNENGXITONGDEXUQIUZHENGZAIXUNSUZENGZHANG。QIZHONG,LILIZIDIANCHI(LIB)HECHAOJIDIANRONGQIQUESHISHIZAIZHINENGCHUNENGLINGYUYOUWANGYINGYONGDEJUEJIAHOUXUANREN,YIQIANSHIYONGDEDIANCHIXINGDIANJICAILIAOBAOKUOYIXIETANZHICAILIAO,JINSHUYANGHUAWUHEJINSHUQINGYANGHUAWUDENG。ERZAILIHSCZHONGCHANGYONGDEDIANRONGQIXINGDIANJICAILIAOYOUHUOXINGTANGOUCHENG,YOUYUTAMENKEGUANLIDEDUOKONGJIEGOUHEGAOBIAOMIANJI。HAISHIYONGQITACAILIAO,RUTANNAMIGUANHESHIMOXI。

CHAOJIDIANRONGHUOXINGTAN

  SHIMOXIHEHUOXINGTANYOUYUQIBIAOMIANJIGAO,YIYULILIZICHACENG,YOUYIDERONGLIANGBAOCHIXING,ZHANGSHOUMINGZHOUQIHEYUESHUJIEGOUGOUXINGERBEIGUANGFANDIYANJIUWEILILIZIHUNHECHAOJIDIANRONGQIDEDIANJICAILIAO。SHIYONGJIYUSHIMOXIHUOHUOXINGTANHETAMENDEFUHECAILIAODEDIANJIZUZHUANGDEHUNHESHEBEIYIJINGBAODAOXIANSHICHUZAIJIASHANGGAOGONGLVMIDUDEGAONENGLIANGMIDU。JUBAODAO,ZHANGQIWENDINGDEXUNHUANSHOUMINGHEGAIJINDERONGLIANGBAOLIU。

  为了改善石墨烯和活性炭基电极的性能,已经使用了形态控制和元素掺杂。制备了0-D石墨烯量子点,1-D石墨烯纳米带(GNR),2-D石墨烯片,3-D石墨烯和多孔石墨烯。已经引入了石墨烯的3D交联结构以实现改进的性能,其中交联位点是由石墨烯片的π-π堆叠产生的。具有90%可压缩性,超轻重量和高导电性的3D印刷石墨烯气凝胶。这种方法可用于印刷所需的石墨烯网络结构,以平滑混合电容器中电子和锂离子的路径。柱状活性炭厂家开心棋牌关于元素掺杂方法,例如石墨烯中的N-,Cr,B掺杂和活性炭已经被报道,具有改善的电化学性能。

柱状活性炭厂家

  NCHANZAHUOXINGTAN

  DANSHIWEIDIANRONGYUANJIAN。DANCHANZABEIRENWEISHIJIANGWEIDIANRONGXINGZHINARUSHIMOXIHEHUOXINGTANDELIXIANGFANGFA,YONGYUGAOXINGNENGCHAOJIDIANRONGQIZHONGDEYINGYONG。DANYUTANZHIJIANDEDIANFUXINGCHAYIJIAODA,JI 3.04 :2.55,ZHEIDAOZHINCHANZASHIMOXI(NG)PIANZHONGTANWANGLUODEJIHUA。GAIJIHUATONGGUOYINGXIANGTANYUANZIDEZIXUANMIDUHEDIANHEFENBUERYINQI“HUOHUAQU”,QIZHIJIECUIHUAZAINGBIAOMIANFASHENGDEDIANHUAXUEFANYING。DAODAIHEJIADAIZHIJIANDEDAIXIYOUDANCHANZAJIDAKAI,DANZAZHISHIFEIMINENGJIGAOYUDILAKEDIAN。ZHEIZHONGDAIXISHINGCHENGWEIDIANZIHEBANDAOTIYINGYONGDEHESHIHOUXUANZHE。JIANYANZHI,ZUOWEIJIHUADEJIEGUO,GAIBIANLESHIMOXIDEDIANZI,CIXING,GUANGXUE,DIANXUEHEDIANHUAXUEXINGZHI。

  HUOXINGTANZHONGDEDANCHANZADAOZHIBIDIANRONGZENGJIA。YOUYUHANYOUGUANNENGTUANDEDANDEFALADIFANYINGKONGDEGAIJINDERUNSHIXINGBUJINZENGJIALEBIDIANRONGYEZENGJIALECHANZADANDEHUOXINGTANDEDAODIANXING。WEILECHANZADANQI,ZAIHUOXINGTANDERECHULIZHONGZUICHANGSHIYONGAN(NH 3)。SHIMOXIHEHUOXINGTANZHONGDEDANCHANZAJINYIBUZENGQIANGLESHIYONGNGHUODANCHANZAHUOXINGTAN(NAC)JIQIFUHECAILIAOZUZHUANGDEDIANJIDEDIANHUAXUEHUOXING。JIYUNGHENACDIANJIDEHUNHEQIJIANWUYIJUYOUZENGJIADEDIANHUAXUEXINGNENG。


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