Bimetallene advances oxygen electrocatalysis  

作　　者：Dehui Deng 

机构地区：[1]State Key Laboratory of Catalysis,Collaborative Innovation Center of Chemistry for Energy Materials,Dalian Institute of Chemical Physics,Chinese Academy of Sciences

出　　处：《Science China Chemistry》2020年第2期147-148,共2页中国科学（化学英文版）

摘　　要：Electrocatalysis lies at the heart of electrochemical devices that enable the efficient conversion and storage of renewable energy,ultimately having a capability to promote a sustainable society.Therefore,the exploration and development of high-performing electrocatalysts-generally at nanoscale or even at atomic scale to maximize the active surface/volume ratio typically such as two-dimensional catalysts-has been one of the hottest research topics in the past decade[1-3].A typical example is the search for suitable electrocatalysts for oxygen reduction reaction(ORR),which hinders the widespread adoption of fuel cells and metal-air batteries due to sluggish kinetic-induced large overpotential and high platinum loading.Through rationally structural engineering,advanced platinum group metals(PGMs)-based electrocatalysts with high mass activities(activity in terms of PMGs mass)in acidic electrolytes have been rapidly emerging;however,much less success has been witnessed for PGMsbased electrocatalysts in alkaline environment probably due to the challenges in optimizing the oxygen binding energy in the massive presence of hydroxide.

关 键 词：PLATINUM HYDROXIDE RATIONAL 

分 类 号：O643.36[理学—物理化学] TM911.4[理学—化学]