A series of multi-component M1-based hydrogen storage alloys witha cobalt atomic ratio of 0.40-0.75 were prepared. The electrochemicalproperties under different charge-discharge conditions and PCTcharaceristics measur...A series of multi-component M1-based hydrogen storage alloys witha cobalt atomic ratio of 0.40-0.75 were prepared. The electrochemicalproperties under different charge-discharge conditions and PCTcharaceristics measured by electrochemical method were investigated.The addition of other alloying elements for partial substitution ofCo low- ers the hydrogen equilibrium pressure and discharge capacity,but improves the cycling stability and makes the alloys keep nearlythe same rate discharge capability and high-temperature dischargecapability as those of the compared alloy. The reasons werediscussed.展开更多
文摘A series of multi-component M1-based hydrogen storage alloys witha cobalt atomic ratio of 0.40-0.75 were prepared. The electrochemicalproperties under different charge-discharge conditions and PCTcharaceristics measured by electrochemical method were investigated.The addition of other alloying elements for partial substitution ofCo low- ers the hydrogen equilibrium pressure and discharge capacity,but improves the cycling stability and makes the alloys keep nearlythe same rate discharge capability and high-temperature dischargecapability as those of the compared alloy. The reasons werediscussed.
