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【中国科学报】新型催化剂实现燃料电池3万次循环高功率放电

2021-08-31 中国科学报 桂运安
【字体:

yuyinbobao

  zhongguokexuejishudaxuejiaoshouwuzhangzhengshiyanketizuyujiaoshouwuhenganlilunjisuanketizuhezuo,hechenglechaoxiaochicundebojijinshujianhuahewudiancuihuaji。jiyugaicuihuajizuzhuangdezhizijiaohuanmoranliaodianchi,zai3wancixunhuannaijiuxingceshihou,rengrannengweichi81.5%defangdiangonglv,shixianranliaodianchidegaogonglvfangdianhezhangjiuxunhuanwendingxing。xiangguanchengguoriqianfabiaoyumeiguo《guojiakexueyuanyuankan》。

  xiangduiyuqitazhongleidianchi,zhizijiaohuanmoranliaodianchijuyoufangdiangonglvda、wuwurandengyoushi,qizhongyinjiyanghaiyuanfanyingshidianchiquanfanyingdesukongbuzhou。bojijinshujianhuahewu,yinqizhangchengyouxujiegouzaiwendingxingshangyouzhetianranyoushi,shixiayidairanliaodianchishangyongyanghaiyuancuihuajitixi。dangqian,bojijinshujianhuahewuyirancunzaikelichicunjiaodadengwenti,daozhiboliyonglvhezhilianghuoxingjiangdi,chengweizhiyueranliaodianchixingnengtishengde“pingjing”zhiyi。

  zhenduizheiyitiaozhan,wuzhangzhengtuanduihechenglexiliejuyou2namizuoyouchaoxiaochicundebojijinshujianhuahewukeli。youchaoxiaochicunbogujinshujianhuahewukelizuzhuangdezhizijiaohuanmoranliaodianchi,bijiyushangyebotancuihuajideranliaodianchigonglvmidugaochu530haowa/pingfanglimi。zainaijiuxingceshizhong,chaoxiaochicundebogukelizai3wancixunhuanhouzhilianghuoxingyirankeyidadao0.75anpei/haoke。tongshi,weiyujiekongtanneibudebojijinshujianhuahewukeliyouliyuranliaodianchigongkuangxiasanxiangjiemianyouhua。lilunjisuanbiaoming,jiekongneibukegaoxiaowanchengzhiziheyangqidechuanshubingshixiandongtaipingheng,dadajiangdidianchichuanzhizuli,tongshifangzhilijuwuduidianchicuihuajideduhuazuoyong。

  jiyuchaoxiaochicunbojijinshujianhuahewu,gaixiangyanjiucongnamidaojieguanchiduxitongyouhualecuihuajizairanliaodianchimodianjizhongdejiegoushejibingshixiangaoxingnengbiaoda,weiranliaodianchiyinjicuihuacailiaoyanfatigonglexinsilu。

  xiangguanlunwenxinxi:http://doi.org/10.1073/pnas.2104026118

  (原载于《中国科学报》 2021-08-31 第1版 要闻)
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