2026-04-11 18:49:15
4476
據Material Views網站報道:ranliaodianchishiyizhongbaranliaosuojuyoudehuaxuenengzhijiezhuanhuanchengdiannengdehuaxuezhuangzhi,youchengdianhuaxuefadianqi。jiangdizhongliang,tigaozhilianggonglvmiduyizhishidiwenzhizimoranliaodianchiyanjiulingyuzhongdebeishouguanzhudeyaodianyunandian。jutidaozhijiejiachunranliaodianchi,bimianjiachunchuanyuezhizijiaohuanmoyeshiyanjiudeyigezhongdian。weilebimianjiachunchuanyuezhizijiaohuanmo,chuantongdezhijiejiachunranliaodianchizhinengyong1-2 M 的低濃度甲醇作為燃料,從而大大降低了其輸出功率。此外,甲醇的毒性嚴重影響此類燃料電池的民用。

近日, 英國Northumbria University 的Terence(Xiaoteng) Liu博bo士shi課ke題ti組zu和he浙zhe江jiang大da學xue高gao超chao教jiao授shou課ke題ti組zu合he作zuo成cheng功gong將jiang石shi墨mo烯xi氣qi凝ning膠jiao應ying用yong在zai了le直zhi接jie甲jia醇chun燃ran料liao電dian池chi中zhong。此ci項xiang工gong作zuo利li用yong石shi墨mo烯xi氣qi凝ning膠jiao良liang好hao的de導dao電dian性xing能neng,優you異yi的de機ji械xie性xing能neng,高gao催cui化hua劑ji負fu載zai性xing能neng和he超chao輕qing的de質zhi量liang,用yong石shi墨mo烯xi氣qi凝ning膠jiao替ti代dai傳chuan統tong燃ran料liao電dian池chi中zhong的de兩liang個ge重zhong要yao組zu建jian—電極板和氣體擴散層,大大降低燃料電池重量的同時將燃料電池的質量功率密度提升了3倍。石墨烯氣凝膠具有特殊的選擇吸附性,即使將12M的de甲jia醇chun存cun儲chu在zai氣qi凝ning膠jiao中zhong,甲jia醇chun也ye幾ji乎hu不bu會hui穿chuan過guo質zhi子zi交jiao換huan膜mo。此ci外wai,石shi墨mo烯xi氣qi凝ning膠jiao還hai起qi到dao了le燃ran料liao存cun儲chu的de作zuo用yong,使shi得de該gai燃ran料liao電dian池chi在zai無wu需xu持chi續xu輸shu送song甲jia醇chun的de情qing況kuang下xia維wei持chi運yun行xing,從cong而er省sheng去qu了le外wai接jie甲jia醇chun存cun儲chu裝zhuang置zhi和he複fu雜za的de燃ran料liao循xun環huan係xi統tong,並bing降jiang低di了le製zhi作zuo成cheng本ben。這zhe項xiang工gong作zuo對dui燃ran料liao電dian池chi的de進jin一yi步bu發fa展zhan起qi到dao了le重zhong要yao的de推tui動dong作zuo用yong。
研究成果日前發表在Small Methods 期刊上(DOI: 10.1002/smtd.201800138 )。