A reliable and efficient solution to the current energy crisis and its associated environmental issues is provided by fuel cells,metal-air batteries and overall water splitting.The heart reactions for these technologi...A reliable and efficient solution to the current energy crisis and its associated environmental issues is provided by fuel cells,metal-air batteries and overall water splitting.The heart reactions for these technologies are oxygen reduction reaction(ORR),oxygen evolution reaction(OER)and hydrogen evolution reaction(HER).Different supporters such as graphene,carbon nanotube,and graphitic carbon nitride have been used to avoid agglomeration of active materials and provide maximum active surface for these reactions.Among all the supporters,boron nitride(BN)gains extensive research attention due to its analogue with graphene and excellent stability with good oxidation and chemical inertness.In this mini-review,the well-known strategies(exfoliation,annealing,and CVD)used in the synthesis of BN with different morphologies for HER,OER and ORR applications have been briefly debated and summarized.The comparative analysis determines that the performance and stability of state-of-the-art electrocatalysts can be further boosted if they are deposited on BN.It is revealed that BN-based catalysts for HER,OER and ORR are rarely studied yet especially with non-noble transition metals,and this research direction should be studied deeply in future for practical applications.展开更多
Currently,the exploration of ultimate energy sources is a hot investigation area for researchers due to the swift diminution of fossil fuels and environmental pollution produced by the ignition of these fossil fuels[1...Currently,the exploration of ultimate energy sources is a hot investigation area for researchers due to the swift diminution of fossil fuels and environmental pollution produced by the ignition of these fossil fuels[1-5].Hydrogen is an ideal alternative energy carrier and is considered to solve such problems due to its high energy density,sustainability,recyclability,and zero COx emission[6-9].展开更多
基金the National Natural Science Foundation of China(Grant No.21676129)the Science&Technology Foundation of Zhenjiang(GY2016021,GY2017001 and YE201709).
文摘A reliable and efficient solution to the current energy crisis and its associated environmental issues is provided by fuel cells,metal-air batteries and overall water splitting.The heart reactions for these technologies are oxygen reduction reaction(ORR),oxygen evolution reaction(OER)and hydrogen evolution reaction(HER).Different supporters such as graphene,carbon nanotube,and graphitic carbon nitride have been used to avoid agglomeration of active materials and provide maximum active surface for these reactions.Among all the supporters,boron nitride(BN)gains extensive research attention due to its analogue with graphene and excellent stability with good oxidation and chemical inertness.In this mini-review,the well-known strategies(exfoliation,annealing,and CVD)used in the synthesis of BN with different morphologies for HER,OER and ORR applications have been briefly debated and summarized.The comparative analysis determines that the performance and stability of state-of-the-art electrocatalysts can be further boosted if they are deposited on BN.It is revealed that BN-based catalysts for HER,OER and ORR are rarely studied yet especially with non-noble transition metals,and this research direction should be studied deeply in future for practical applications.
基金The authors grateflilly acknowledge the National Natural Science Foundation of China(Grant No.21676129)the Science&Technology Foundation of Zhenjiang(GY2016021,GY2017001 and YE201709).
文摘Currently,the exploration of ultimate energy sources is a hot investigation area for researchers due to the swift diminution of fossil fuels and environmental pollution produced by the ignition of these fossil fuels[1-5].Hydrogen is an ideal alternative energy carrier and is considered to solve such problems due to its high energy density,sustainability,recyclability,and zero COx emission[6-9].
