Single phase nitridometallates Li_(3−x−y)M_(x)N(0.05≤x≤0.27;M=Co,Ni and Cu)with potential use as negative electrodes in lithium(Li+)ion batteries have been synthesised in<10 minutes via solid state reactions in a...Single phase nitridometallates Li_(3−x−y)M_(x)N(0.05≤x≤0.27;M=Co,Ni and Cu)with potential use as negative electrodes in lithium(Li+)ion batteries have been synthesised in<10 minutes via solid state reactions in a single mode cavity microwave reactor without an external susceptor.Reaction times are reduced by up to four orders of magnitude over previous synthetic methods.A combination of powder X-ray and neutron diffraction has provided detailed crystal structures of the vacancy-disordered nitrides.The electrochemical performance of these materials is comparable to that observed in conventionally-heated analogues.展开更多
基金ScotCHEM for a SPIRIT(Scottish Funding Council)PhD studentship for NTR(ref.HR08001)STFC for provision of neutron beam time at ISIS.SAC gratefully acknowledges funding support from the EPSRC(EP/K029290/1)the allocation of a PhD scholarship from the University of Glasgow.
文摘Single phase nitridometallates Li_(3−x−y)M_(x)N(0.05≤x≤0.27;M=Co,Ni and Cu)with potential use as negative electrodes in lithium(Li+)ion batteries have been synthesised in<10 minutes via solid state reactions in a single mode cavity microwave reactor without an external susceptor.Reaction times are reduced by up to four orders of magnitude over previous synthetic methods.A combination of powder X-ray and neutron diffraction has provided detailed crystal structures of the vacancy-disordered nitrides.The electrochemical performance of these materials is comparable to that observed in conventionally-heated analogues.
