New solid state hydrogen carriers: Crystal Structure and Thermal Behavior of(NH۴)۳X[B۱۲H۱۲]

  • سال انتشار: 1403
  • محل انتشار: بیست و دومین کنگره بین المللی شیمی انجمن شیمی ایران
  • کد COI اختصاصی: NICEC22_643
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 184
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نویسندگان

Rouzbeh Aghaei Hakkak

Institute for Inorganic Chemistry, University of Stuttgart, Pfaffenwaldring ۵۵, ۷۰۵۶۹ Stuttgart, Germany.

Niloofar Naseri

Department of Catalysis & Inorganic Chemical Technology, Iranian Research Organization for Science and Technology,Tehran, Iran.

Maryam Ranjbar

Department of Catalysis & Inorganic Chemical Technology, Iranian Research Organization for Science and Technology,Tehran, Iran.

Thomas Schleid

Institute for Inorganic Chemistry, University of Stuttgart, Pfaffenwaldring ۵۵, ۷۰۵۶۹ Stuttgart, Germany.

چکیده

Hydrogen transport is one of the major problems of using it as a clean energy source. In this paperhydro-closo-borate based hydrogen carriers, HBHCs, have been introduced as providing solid and stablehydrogen storage systems. The hydro-closo-borate cation, is used as a stabilizing agent for hydrogen-richcompounds such as ammonia. By using these compounds, it is possible to transfer hydrogen without very lowtemperatures and high pressures. The (NH۴)X[B۱۲H۱۲], X = Cl, Br, I, compounds have been synthesized byreplacing cesium cation from Cs۲ [B۱۲H۱۲] by passed through a cation exchange column to yield the acidic formof the dodecahydro-closo-dodecaborate, (H۳O)۲ [B۱۲H۱۲]. This aqueous solution was subsequently neutralizedwith ammonium hydroxide and mixed with the corresponding water-dissolved ammonium nitrate. Hydrogenrelease of as prepare compounds have been studied by gas chromatography as well as volumetric conventionalmethods.

کلیدواژه ها

Solid hydrogen carriers; Hydro-closo-borates; Hydrogen Storage

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