In this work,we report a facile method to regenerate LiBH_(4) from its ideal hydrolytic product(LiBO_(2))using MgH_(2) as the reducing agent under ambient conditions.An outstanding yield of 91.4% could be achieved due...In this work,we report a facile method to regenerate LiBH_(4) from its ideal hydrolytic product(LiBO_(2))using MgH_(2) as the reducing agent under ambient conditions.An outstanding yield of 91.4% could be achieved due to the high reactivity of MgH_(2) and grinding efficiency.This method is expected to complete the regeneration and hydrolysis cycle of LiBH_(4).The energy efficiency of this cycle is 50.54% based on thermodynamic calculations.Compared with previous methods,this approach does not require high temperatures,high pressure H_(2),and expensive boron sources(e.g.NaBH_(4),toxic B_(2)H_(6)).Furthermore,the regeneration mechanism of LiBH_(4) is clarified.展开更多
基金supported by the Basic and Applied Basic Research Foundation of Guangdong Province(No.2021A1515110676 and 2022A1515011832)supported by GDAS’Project of Science and Technology Development(2022GDASZH-2022010104,2022GDASZH-2022030604-04).
文摘In this work,we report a facile method to regenerate LiBH_(4) from its ideal hydrolytic product(LiBO_(2))using MgH_(2) as the reducing agent under ambient conditions.An outstanding yield of 91.4% could be achieved due to the high reactivity of MgH_(2) and grinding efficiency.This method is expected to complete the regeneration and hydrolysis cycle of LiBH_(4).The energy efficiency of this cycle is 50.54% based on thermodynamic calculations.Compared with previous methods,this approach does not require high temperatures,high pressure H_(2),and expensive boron sources(e.g.NaBH_(4),toxic B_(2)H_(6)).Furthermore,the regeneration mechanism of LiBH_(4) is clarified.
