title: A novel strategy for reversible hydrogen storage in Ca(BH4)2.
abstract: We report that decomposition pathway of Ca(BH4)2 can be efficiently controlled by reaction temperature. That is, it decomposes into CaB6 at a lower temperature range of 320 to 350 °C, but into amorphous boron at 400 to 450 °C. We identified the formation of CaB2H6 as the crucial intermediate step on the way to CaB6 that only forms at 320 to 350 °C.
authors.affiliation: EMPA, Swiss Federal Laboratories for Materials Science and Technology, Materials for Energy Conversion, 8600 Dübendorf, Switzerland. arndt.remhof@empa.ch.
authors.forename: Yigang
authors.initials: Y
authors.lastname: Yan
authors.forename: Arndt
authors.initials: A
authors.lastname: Remhof
authors.forename: Daniel
authors.initials: D
authors.lastname: Rentsch
authors.forename: Andreas
authors.initials: A
authors.lastname: Züttel
authors.forename: Santanab
authors.initials: S
authors.lastname: Giri
authors.forename: Puru
authors.initials: P
authors.lastname: Jena