Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Julian Key"'
Publikováno v:
Batteries, Vol 9, Iss 5, p 267 (2023)
Nickel phosphide (Ni2P), as an anode material for both lithium- and sodium-ion batteries, offers high theoretical specific and volumetric capacities. However, considerable challenges include its limited rate capability and low cycle stability arising
Externí odkaz:
https://doaj.org/article/6d6b6f19434a4b44a9e8dca80213ced2
Publikováno v:
Materials, Vol 6, Iss 7, Pp 2689-2700 (2013)
Methanol oxidation catalysts comprising an outer Pt-shell with an inner Ni-core supported on carbon, (Pt-Ni/C), were prepared with either crystalline or amorphous Ni core structures. Structural comparisons of the two forms of catalyst were made using
Externí odkaz:
https://doaj.org/article/9ea49a50c5b742c7b149b552d7312f10
Publikováno v:
Materials, Vol 6, Iss 5, Pp 1621-1631 (2013)
Two structural forms of a ternary alloy PtRuIr/C catalyst, one amorphous and one highly crystalline, were synthesized and compared to determine the effect of their respective structures on their activity and stability as anodic catalysts in methanol
Externí odkaz:
https://doaj.org/article/2f2ca2f6096c41058fa936ad6aa22f2f
Publikováno v:
Chemical Engineering Journal. 450:138275
Publikováno v:
International Journal of Hydrogen Energy. 44:13623-13631
Mn2O3/C hybrids with almond-like, peach-like and peanut-like morphologies are fabricated via hydrothermal method followed by annealing in air at ambient pressure. Their physical properties and morphologies are characterized by X-ray diffraction (XRD)
Publikováno v:
Journal of Power Sources. 414:76-85
Increasing the volumetric energy of carbon-based supercapacitors is of practical importance for the advancement of high-powered energy storage. Herein, we use the gases evolved from polytetrafluoroethylene pyrolysis at 800 °C to fluorine-dope an act
Publikováno v:
Sustainable Energy & Fuels. 3:478-487
Herein, we present a simple synthesis strategy addressing two challenges of advantageous carbon anode design: (1) achieving self-assembled, i.e. “templateless”, porous hierarchical structures, with (2) well separated B and N co-doping. Heating te
Publikováno v:
Journal of Materials Chemistry A. 7:16999-17007
Transition metal phosphides, especially copper phosphide nanocrystals, afford promising anode material candidates for sodium ion batteries. However, despite their high specific capacity, their performance is generally thwarted by rapid capacity fadin
Autor:
Pei Kang Shen, Zhiyi Pan, Shaobo He, Pengcheng Wei, Julian Key, Jinliang Zhu, Shuangxi Nie, Kunkun Li
Publikováno v:
ACS Sustainable Chemistry & Engineering. 7:660-668
We report a facile synthesis strategy that achieves two goals of carbon support design for oxygen reduction catalysis: (1) self-assembly of hierarchical porous structure, with (2) well-separated nitrogen and boron codoping. The B and N codoped carbon
Publikováno v:
Energy Storage Materials. 15:75-81
Robust superstructures of self-assembling nanoscale building blocks are of functional and practical interest for improving the performance of materials in various advanced technological applications. Herein, we successfully synthesize a self-assemble