Preparation and Properties of Vanadium-titanium-nickel Based Hydrogen Storage Alloys for New Energy Automotive Batteries

V-25 Ti-10 Ni and V-25 Ti-10 Ni-0.5 Ce alloys for new energy automobile batteries were prepared by self-propagating method,and their microstructures,hydrogen absorption properties and corrosion resistance were tested,compared and analyzed.The results show that the grain of V-25 Ti-10 Ni-0.5 Ce alloy is finer than that of V-25 Ti-10 Ni alloy.In comparison with those of V-25 Ti-10 Ni alloy,the hydrogen absorption capacity of V-25 Ti-10 Ni-0.5 Ce alloy increases by 13.38% at 50 min of hydrogen absorption time,and the mass loss rate of V-25 Ti-10 Ni-0.5 Ce alloy decreases by 37.61% after 240 h of corrosion.Both of the hydrogen absorption and corrosion resistance of V-25 Ti-10 Ni-0.5 Ce alloy are improved.