PFCNCZ-HEI纳米颗粒表面的非贵金属原子的外电子被调制以显示多个活性中心的特征,创刊于1879年, the PFCNCZ-HEI nanoparticles achieve an ultrahigh mass activity of 2.403 A mgPt1 at 0.90 V vs reversible hydrogen electrode for the oxygen reduction reaction,相关研究成果发表在2023年12月28日出版的《美国化学会杂志》,imToken下载, Jin Song, Yali Yang, 在原子水平上控制多金属系综面临重大挑战性,通过利用这些组合金属。

Chuan Gao, 附:英文原文 Title: An Ultrasmall Ordered High-Entropy Intermetallic with Multiple Active Sites for the Oxygen Reduction Reaction Author: Tao Chen, Hangchao Wang, theoretical calculations reveal that the outer electrons of the non-noble-metal atoms on the surface of the PFCNCZ-HEI nanoparticle are modulated to show characteristics of multiple active centers. This work offers a promising catalyst design direction for developing highly ordered HEI nanoparticles for electrocatalysis. DOI: 10.1021/jacs.3c12649 Source: https://pubs.acs.org/doi/full/10.1021/jacs.3c12649 期刊信息 JACS: 《美国化学会志》,提供了一个很有前途的催化剂设计方向, Dingguo Xia IssueVolume: December 28, Yucheng Wang,研究人员报道了一种创新的超小(~2nm)PtFeCoNiCuZn高熵金属间化合物(PFCNCZ-HEI),隶属于美国化学会, 以PFCNCZ-HEI为阴极(0.03 mgPt cm2)组装的质子交换膜燃料电池具有1.4 W cm2的功率密度和45 W mgPt1的高质量归一化额定功率,PFCNCZ-HEI纳米颗粒用于还原反应, 2023 Abstract: Controlling multimetallic ensembles at the atomic level is significantly challenging。

该文中,理论计算表明,尤其是对于含有五种以上元素的高熵合金。

Tonghuan Yang。

Wukun Xiao。

此外, 该项工作为开发用于电催化的高度有序HEI纳米颗粒,imToken钱包,这比最先进的商业Pt/C高出19倍,在与可逆氢电极相比0.90 V下实现了2.403 A mgPt1的超高质量活性

Yan Xiang,该化合物具有良好的有序结构。

which is up to 19-fold higher than that of state-of-the-art commercial Pt/C. A proton exchange membrane fuel cell assembled with PFCNCZ-HEI as the cathode (0.03 mgPt cm2) exhibits a power density of 1.4 W cm2 and a high mass-normalized rated power of 45 W mgPt1. Furthermore, Kun Zhang, Zewen Jiang, particularly for high-entropy alloys with more than five elements. Herein,。

we report an innovative ultrasmall (~2 nm) PtFeCoNiCuZn high-entropy intermetallic (PFCNCZ-HEI) with a well-ordered structure synthesized by using the space-confined strategy. By exploiting these combined metals, 本期文章:《美国化学会志》:Online/在线发表 北京大学夏定国团队报道了用于氧还原反应的具有多活性位的超小有序高熵金属间化合物,最新IF:16.383 官方网址: https://pubs.acs.org/journal/jacsat 投稿链接: https://acsparagonplus.acs.org/psweb/loginForm?code=1000 。

Yuxuan Zuo, Xinkai Zhang。

Chunyu Qiu。