Co NP/NC hollow nanoparticles derived from yolk-shell structured ZIFs@polydopamine as bifunctional electrocatalysts for water oxidation and oxygen reduction reactions

N-doped CoO nanowire arrays as efficient electrocatalysts for oxygen evolution reaction

“…(1) Direct growth of N-CoO nanowires on the carbon cloth substrate enhances high electrical conductivity and ensures abundant reaction sites without use of insulating polymer binders. (2) The N-CoO arrays with porous structure provide more active areas and sufficient contact with electrolyte, facilitating ion diffusion remarkably. Open porous framework of N-CoO nanowire arrays benefits the penetration of electrolyte and promotes the timely release of oxygen bubbles.…”

“…It is critical to develop green technology for energy storage and conversion with the urgent need for the sustainable development of society [1,2] . Oxygen evolution reaction (OER), as a necessary procedure of various devices including water splitting and rechargeable metal-air batteries, has attracted considerable attention and been investigated for the past decades [3][4][5][6] .…”

A Composite Bifunctional Oxygen Electrocatalyst for High‐Performance Rechargeable Zinc–Air Batteries

“…Tremendous efforts have been devoted to exploring bifunctional ORR/OER electrocatalysts including transition-metalcompounds, [24][25][26][27][28][29] metal-organic frameworks, [30][31][32][33][34][35][36][37] and heteroatomdoped nanocarbon. [38][39][40][41][42][43][44] Nevertheless, their bifunctionale lectrocatalytic performances remainu nsatisfactory with single active site.…”

In-situ embedding zeolitic imidazolate framework derived Co–N–C bifunctional catalysts in carbon nanotube networks for flexible Zn–air batteries

“…Recently, the pyrolysis of zeolitic-imidazole framework (ZIF) has been widely investigated as an effective approach for preparing above-mentioned transition-metal-based electrocatalysts [27,28] . The precursor ZIF constructed by metal ions coordinated with organic linkers takes such advantages as ordered porosity, high specific surface area, and high chemical tunability.…”