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| 1 | Ternary Ni-Co-Fe oxyhydroxide oxygen evolution catalysts:Intrinsic activity trends,electrical conductivity,and electronic band structure显示文摘Nickel-,cobalt-,and iron-based(oxy)hydroxides comprise the most-commonly studied electrocatalysts for the oxygen-evolution reaction(OER)in alkaline solution.A fundamental understanding of composition-structure-activity relationships for mixed-metal Ni-Co and Ni-Co-Fe(oxy)hydroxides is important to guide the design of advanced OER catalysts.Here we use cyclic voltammetry,chronopotentiometry,inductively-coupled plasma-optical emission spectroscopy,and in situ electrical conductivity measurements to characterize the properties and activity of various compositions of Ni-Co-Fe(oxy)hydroxides prepared by cathodic co-electrodeposition.Consistent with previous studies,we find Fe is essential for the mixed-metal(oxy)hydroxides to achieve high OER activity.In the rigorous absence of Fe(achieved by using specially cleaned electrolytes),the most-active Ni-Co(oxy)hydroxide composition has an OER turn-over frequency only twice that ofpure Co(oxy)hydroxide,suggesting minimal synergism between the two metals.The addition of Co to Ni-Fe(oxy)hydroxides shifts the onset of electrical conductivity to lower potentials,but has little effect on the intrinsic OER activity,with the most-active Ni-Co-Fe(oxy)hydroxide having an OER turn-over frequency only -1.5 times that of the Ni-Fe(oxy)hydroxides.The magnitudes of the electrical conductivities are similar for all the compositions measured.Density-functional-theory-calculated projected density of states show a significant contribution of all chemical elements at the valence band edge of the mixed-metal oxyhydroxide electronic structure,demonstrating significant electronic hybridization between the elements.The calculations suggest the involvement of all the elements in modulating the electronic structure at putative Fe-based active sites that are probably located at edges or defects in the two-dimensional oxyhydroxide sheets. | Michaela Burke Stevens Lisa J. Enman Ester Hamal Korkus Jeremie Zaffran Christina D. M. Trang James Asbury Matthew G. Kast Maytal Caspary Toroker Shannon W. Boettcher | 2019 | Nano Research2019，12，9： | 5 |
| 2 | Differenti- al expression of vasoactive mediators in microparticle- challenged lungs of chickens that differ in susceptibility to pulmonary arterial hypertension显示文摘 | Hamal K R Wideman R F Anthony N B | 2010 | Am J Physiol Regul Integr Comp Physiol2010，298，1： | 1 |
| 3 | Maternal Antihody Transfer from Dams to Their Egg Yolks, Egg Whites, and Chicks in Meat Lines of Chickens 显示文摘 | HAMAL K R BURGESS S C PEVZNER I Y | 2006 | Poult Sci2006，85，： | 1 |
| 4 | A single nucleotide poly- morphism in the transmembrane domain coding region of HER-2 is associated with development and malignant phenotype of gastric cancer显示文摘 | Kuraoka K Matsumura S Hamal Y | 2003 | Int J Cancer2003，107，4： | 1 |
| 5 | Synthesis, Charactcrization and visible light activity of new nanoparticle photocatalysts based on silver, carbon and sulfur-doped TiO2显示文摘 | HAMAL D B KLABUNDE K I | 2007 | Journal of Colloid and Interface Science2007，311，2： | 1 |
| 6 | Composite plating of Ni-P-Al2O3 in two steps and its anti-wear performance显示文摘 | Nabeen K Shrestha Dambar B Hamal Tetsuo Saji | 2004 | Surf Coat Technol2004，183，： | 1 |
| 7 | Differential expression of vasoactive mediators in microparticle challenged lungs of chickens that differ in susceptibility to pulmonary arterial hypertension显示文摘 | HAMAL K R WIDEMAN R F ANTHONY N B | 2010 | Am J Physiol Regul Integr Comp Physiol2010，298，1： | 1 |
| 8 | Green electricity production with living plants and bacteria in a fuel cell 显示文摘 | STRIK D HAMALERS H SNEL J | 2008 | International Journal of Energy Research2008，32，9： | 1 |
| 9 | Composite plating of Ni-P-Al2O3 in two steps and its anti-wear performance 显示文摘 | SHRESTHA N K HAMAL D B SAJI T | 2004 | Surface and Coatings Technology2004，183，23： | 1 |
| 10 | A note on decreasing absolute risk aversion among farmers in nepal显示文摘 | Hamal K B Anderson J R | 1982 | Australian Journal of Agricultural Economics1982，26，3： | 1 |
| 11 | Composite Plating of Ni-P-Al2O3 in Two Steps and Its Anti- Wear Performance 显示文摘 | Shrestha N K Hamal D B Tetsuo S J | 2004 | Surf Coat Technol2004，183，2： | 1 |
| 12 | Herpes simplex virus thymidine Kinase/ganciclorit-mediate death of bystander cells显示文摘 | Hamal W Magnelli L Chiarugi VP | 1996 | Cancer Res1996，56，12： | 1 |
| 13 | Solar energy powered microbial fuel cell with a reversible bioelectrode 显示文摘 | Strik D P B T B Hamalers H V M Buisman C J N | 2010 | Environmental Science & Technology2010，44，1： | 1 |
| 14 | Composite plating of Ni-P-Al2O3 in two steps and its anti-wear performance显示文摘 | SHRESTHA N K HAMAL D B SAJI T | 2004 | Surface and Coatings Technology2004，183，： | 1 |
| 15 | Composite plating of Ni–P–Al 2 O 3 in two steps and its anti-wear performance显示文摘 | Nabeen K. Shrestha Dambar B. Hamal Tetsuo Saji | 2003 | Surface & Coatings Technology2003，，2： | 1 |
| 16 | Differential gene expression of proinflammatory chemokines and cytokines in lungs of ascites-resistant and-susceptible broiler chickens following intravenous cellulose microparticle injection显示文摘 | HAMAL K R WIDEMAN R F ANTHONY N B | 2010 | Vet Immu nol Immunopathol2010，133，24： | 1 |
| 17 | M24cRAPD as a new approach to rapid and accurate identification of pathogenic yeasts显示文摘 | Plachy R Hamal P Raclavsky V | 2005 | J Microbiol Methods2005，60，1： | 1 |
| 18 | Synthesis, Characterization, and Visible Light Activity of New Nanoparticle Photocatalysts Based on Silver, Carbon, and Sulfur-Doped TiO2 显示文摘 | Hamal D B Klabunde K J | 2007 | J Colloid Inteo Cace Sci2007，311，2： | 1 |
| 19 | Uterine adenopoleimyoma: a rare hamartomatous lesion 显示文摘 | Mcluggage W G Hamal P Traub A I | 2000 | Int J Gynecol Pathol2000，19，2： | 1 |
| 20 | Maternal antibody transfer from dams to their egg yolks,egg whites,and chicks in meat lines of chickens显示文摘 | Hamal K R Burgess S C Pevzner I Y | 2006 | Poultry Science2006，85，： | 1 |
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