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Hydrogen generation from ball milled Al–LiH-salts mixture is studied. Different salts are used to test their effects on the hydrolysis properties of Al–LiH composite. KCl is found to be more effective than other salts and shows the best performance. Raising initial reaction temperature can effectively improve hydrogen yield and HG (hydrogen generation) rate of the Al–LiH–KCl mixture. Optimizing the...
A novel Al based hydrogen production material is prepared by high energy ball milling using Al, CaH2 and different salts as the starting materials. The parameters affecting the Al–H2O reaction are investigated and discussed. Among the salts added, NiCl2 shows the best activation capability. The addition amount of both CaH2 and NiCl2 is found to be an important factor affecting the hydrolysis process...
On-site on-demand hydrogen generation from a new Mg–LiBH 4 –AlCl 3 system has been established. The hydrogen yield, mHGR (maximum hydrogen generation rate) and reaction stability can be adjusted by changing the samples' compositions, milling time and water/mixture ratios. The Mg-9 wt.%LiBH 4 -1 wt.%AlCl 3 composite reaches a conversion yield of 87%, corresponding to...
A novel method to promote the Mg–H2O hydrolysis reaction is proposed. Among the hydrides tested, LiBH4 offers the best performance. By ball-milling Mg powder with LiBH4, the maximum hydrogen generation rate (mHGR) and yield are significantly increased. More importantly, the hydrolysis properties are further improved when NiCl2 is added. The newly formed Mg–LiBH4–NiCl2 system reaches an mHGR of 1655 ml min...
A simple method of improving hydrogen generation from the reaction between highly activated Mg powder and water is established. The Mg–H 2 O reaction is found to become faster and more intense when magnesium is mixed with salts and subjected to by high-energy ball milling. Among the studied salts, AlCl 3 has the best performance. The milling time and salt content significantly affect...
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