Helmholtz-Zentrum Geesthacht, 2017-10-19
http://www.hzg.de/049685/index_0049685.html.en

Helmholtz-Zentrum Geesthacht, Germany (HZG)

Profile

Preparing a metal hydride tank in the HZG Hydrogen Test Tank Facility Preparing a metal hydride tank in the HZG Hydrogen Test Tank Facility

The Helmholtz-Zentrum Geesthacht GmbH (HZG) ), located near the town of Geesthacht, Germany, belongs to the German Hermann von Helmholtz Association (HGF). With its 18 research centres, 34.000 employees and an annual budget of approximately 2.2 billion Euros the Helmholtz Association is Germany's largest research institution. HZG is located in Geesthacht near Hamburg and has, including a branch in Teltow near Berlin and outstations at DESY, Hamburg, and FRM II, Munich, a total staff of approximately 850 employees, including more than 450 scientists, engineers and technicians. The three main HZG research areas cover materials science, environmental research and regenerative medicine. One of the core research topics at HZG are materials for hydrogen technology, covering production, purification and conditioning of hydrogen and hydrogen storage. HZG has more than 16 years research experience in nanocrystalline light metal hydrides (more than 120 publications, 8 patents, 4 patent applications pending).

HZG was/is involved in international projects and co-operations in this field (EU IP’s STORHY and NESSHY, EU TN FC-TESTNET, Marie Curie RTN "H-Sorption in Mg"). HZG coordinated the Helmholtz Initiative “FUNCHY” (2005 - 2010), the MC RTN “COSY” (2006 - 2010), the EU CP “FLYHY” (6 partners, 2009 – 2012) and the FCH JU CP “BOR4STORE” (9 partners, 2012 – 2015).

In 2004, HZG (at the same time, but independently from the groups of Vajo, HRL, US, Y.W. Cho, KIST, Korea) invented the concept of Reactive Hydride Composites (European patent granted in 2011). In STORHY HZG constructed Europe’s largest tank for solid state hydrogen storage (8 kg NaAlH4). Its expertise was and is used in NESSHY, FLYHY and currently BOR4STORE for constructing improved versions. HZG is a member of the New European Research Grouping on Fuel Cells and Hydrogen, N.ERGHY.

 

 

Prototype tank for NaAlH4 based solid state hydrogen storage (capacity 8kg NaAlH4, ca. 400 g H2, developed and built in the STORHY project at HZG) Prototype tank for NaAlH4 based solid state hydrogen storage (capacity 8kg NaAlH4, ca. 400 g H2, developed and built in the STORHY project at HZG)

HZG also has a strong background in materials design based on thermodynamics. For instance, the system Mg-Ni-H was calculated and modelled in detail using the THERMOCALC and CALPHAD (calculation of phase diagrams) methods. HZG operates its own beamlines (German Engineering Materials Science Center GEMS) at the German Electron Synchrotron (DESY) in Hamburg, as well as at the Research Reactor Munich II. They are equipped for diffraction and scattering experiments to investigate structures in the range of Ångstroms up to microns.

System related hydrogen storage capacities of various storage technologies. LiBH4/MgH2 system will be investigated in Bor4Store (state and perspectives) [Download, © HZG] System related hydrogen storage capacities of various storage technologies. LiBH4/MgH2 system will be investigated in Bor4Store (state and perspectives) [Download, © HZG]

HZG, besides project co-ordination (WP6), will focus on RHC preparation and properties improvements (WP1,WP2), scale-up and cost effective synthesis (WP4), on thermodynamic, kinetic and structural characterization (WP1, WP2), bring in its expertise in tank design and construction (WP5) and will evaluate storage performance of the storage materials (WP5).

Key personnel

Dr. Martin Dornheim

Expert in the development and characterisation of hydrogen storage materials. PhD and group leader at the University of Göttingen, at HZG deputy leader and since 2005 head of the Department of Nanotechnology. Member of expert group of the IEA Hydrogen Implementation Agreement Task 22 “Fundamental & Applied Hydrogen Storage Materials Development” (2005-2012) and Task 32 “H2 Based Energy Storage” (2013-2016). German Delegate and Work Group Leader in EU COST Action MP1103 “Nanostructured materials for solid-state hydrogen storage”.

Prof. Thomas Klassen

Director of the Institute for Materials Technology at HZG and head of the Institute of Materials Technology at Helmut Schmidt University, Hamburg. His Ph.D. research and 2-year post-doc stay at the University of Illinois at Urbana-Champaign concentrated on the production and properties of nanocrystalline materials. Starting in 1996, he is one of the pioneers in the field of nanocrystalline light metal hydrides for hydrogen storage, documented by more than 70 papers (with over 1700 citations), 24 invited and keynote presentations, and 15 patents in this field.

Dr. José M. Bellosta von Colbe

Expert in the synthesis of hydrogen storage materials via high-pressure reactive milling. PhD at the MPI for Coal Research (catalysis, kinetics and thermodynamics of NaAlH4). PostDoc at IFE (Mg-based hydrogen storage materials). Assistant Coordinator of the Helmholtz Initiative “FuncHy: Functional Materials for Mobile Hydrogen Storage”, leader of the HZG participation in STORHY and NESSHY. Member of experts group of the IEA Hydrogen Implementation Agreement Tasks 22 and 32 with a focus on tank system design and development.

Dr. Claudio Pistidda

Claudio Pistidda received his M.S. in Chemistry from the University of Sassari in Italy in 2006. He received his Ph.D. from the Technische Universität Hamburg-Harburg (TUHH) in 2011. Simultaneously to the Ph.D. studies he had been employed as an early stage researcher at the Helmholtz-Zentrum Geesthacht (Geesthacht) and at the Karlsruhe Institute of Technology (Karlsruhe). Since 2012 he has been working as a researcher in the field of hydrogen storage technology at the Helmholtz-Zentrum Geesthacht.

Dr. Klaus Taube, coordinator of the ECOSTORE project

From 1990 to 2000 scientist at Fraunhofer Inst. for Thin Films and Surface Technology, collaborative projects with industry (national and European funded) on wear resistant coatings. Since 2002 at HZG. Main work management of research programmes. Coordinator of the FCH JU CP BOR4STORE, the EU CP FLYHY and MC RTN COSY, assistant coordinator of the Helmholtz Initiative FuncHy.

Experimental facilities

High energy ball mills, reactive milling, Sievert’s apparatus, DSC, TGA, X-ray Diffraction, Small-Angle Neutron Scattering (GeNF), access to synchrotron radiation facilities (DESY) through beam time application. Learn more about hydrogen technology at HZG.

 

Selected publications

  • Böhme, B., Bonatto Minella, C., Thoss, F., Lindemann, I., Rosenburg, M., Pistidda, C., Møller, K.T., Jensen, T.R., Giebeler, L., Baitinger, M., Gutfleisch, O., Ehrenberg, H., Eckert, J., Grin, Y., Schultz, L.: B1-Mobilstor: Materials for sustainable energy storage techniques - lithium containing compounds for hydrogen and electrochemical energy storage; (2014) Advanced Engineering Materials, Article in Press.
  • Bösenberg, U., Pistidda, C., Tolkiehn, M., Busch, N., Saldan, I., Suarez-Alcantara, K., Arendarska, A., Klassen, T., Dornheim, M.: Characterization of metal hydrides by in-situ XRD; (2014) International Journal of Hydrogen Energy, 39 (18), pp. 9899-9903.
  • Bergemann, N., Pistidda, C., Milanese, C., Girella, A., Hansen, B.R.S., Wurr, J., Bellosta Von Colbe, J.M., Jepsen, J., Jensen, T.R., Marini, A., Klassen, T., Dornheim, M.: NaAlH4 production from waste aluminum by reactive ball milling; (2014) International Journal of Hydrogen Energy, 39 (18), pp. 9877-9882.
  • Napolitano, E., Dolci, F., Campesi, R., Pistidda, C., Hoelzel, M., Moretto, P., Enzo, S.: Erratum: Crystal structure solution of KMg(ND)(ND2): An ordered mixed amide/imide compound (International Journal of Hydrogen Energy (2014) 39:2 (868-876)); (2014) International Journal of Hydrogen Energy, 39 (15), pp. 8181-8183.
  • Gosalawit-Utke, R., Meethom, S., Pistidda, C., Milanese, C., Laipple, D., Saisopa, T., Marini, A., Klassen, T., Dornheim, M.: Destabilization of LiBH4 by nanoconfinement in PMMA-co-BM polymer matrix for reversible hydrogen storage; (2014) International Journal of Hydrogen Energy, 39 (10), pp. 5019-5029.
  • Pistidda, C., Pottmaier, D., Karimi, F., Garroni, S., Rzeszutek, A., Tolkiehn, M., Fichtner, M., Lohstroh, W., Baricco, M., Klassen, T., Dornheim, M.: Effect of NaH/MgB2 ratio on the hydrogen absorption kinetics of the system NaH + MgB2; (2014) International Journal of Hydrogen Energy, 39 (10), pp. 5030-5036.
  • Karimi, F., Pranzas, P.K., Hoell, A., Vainio, U., Welter, E., Raghuwanshi, V.S., Pistidda, C., Dornheim, M., Klassen, T., Schreyer, A.: Structural analysis of calcium reactive hydride composite for solid state hydrogen storage; (2014) Journal of Applied Crystallography, 47 (1), pp. 67-75.
  • Napolitano, E., Dolci, F., Campesi, R., Pistidda, C., Hoelzel, M., Moretto, P., Enzo, S.: Crystal structure solution of KMg(ND)(ND2): An ordered mixed amide/imide compound; (2014) International Journal of Hydrogen Energy, 39 (2), pp. 868-876.
  • Soru, S., Taras, A., Pistidda, C., Milanese, C., Bonatto Minella, C., Masolo, E., Nolis, P., Baró, M.D., Marini, A., Tolkiehn, M., Dornheim, M., Enzo, S., Mulas, G., Garroni, S.: Structural evolution upon decomposition of the LiAlH4 + LiBH4 system; (2013) Journal of Alloys and Compounds, Article in Press.
  • Puszkiel, J., Gennari, F., Larochette, P.A., Karimi, F., Pistidda, C., Gosalawit-Utke, R., Jepsen, J., Jensen, T.R., Gundlach, C., Von Colbe, J.B., Klassen, T., Dornheim, M.: Sorption behavior of the MgH2-Mg2FeH6 hydride storage system synthesized by mechanical milling followed by sintering; (2013) International Journal of Hydrogen Energy, 38 (34), pp. 14618-14630.
  • Saldan, I., Schulze, M., Pistidda, C., Gosalawit-Utke, R., Zavorotynska, O., Rude, L.H., Skibsted, J., Haase, D., Cerenius, Y., Jensen, T.R., Spoto, G., Baricco, M., Taube, K., Dornheim, M.: Hydrogen sorption in the LiH-LiF-MgB2 system; (2013) Journal of Physical Chemistry C, 117 (33), pp. 17360-17366.
  • Pistidda, C., Napolitano, E., Pottmaier, D., Dornheim, M., Klassen, T., Baricco, M., Enzo, S.: Structural study of a new B-rich phase obtained by partial hydrogenation of 2NaH + MgB2; (2013) International Journal of Hydrogen Energy, 38 (25), pp. 10479-10484.
  • Jepsen, J., Milanese, C., Girella, A., Lozano, G.A., Pistidda, C., Bellosta Von Colbe, J.M., Marini, A., Klassen, T., Dornheim, M.: Compaction pressure influence on material properties and sorption behaviour of LiBH4-MgH2 composite.
  • Jepsen, J., Milanese, C., Girella, A., Lozano, G.A., Pistidda, C., Bellosta Von Colbe, J.M., Marini, A., Klassen, T., Dornheim, M.: Compaction pressure influence on material properties and sorption behaviour of LiBH4-MgH2 composite; (2013) International Journal of Hydrogen Energy, 38 (20), pp. 8357-8366.
  • Sale, M., Pistidda, C., Taras, A., Napolitano, E., Milanese, C., Karimi, F., Dornheim, M., Garroni, S., Enzo, S., Mulas, G.: In situ synchrotron radiation powder X-ray diffraction study of the 2LiNH2 + LiH + KBH4 system; (2013) Journal of Alloys and Compounds, 580 (SUPPL1), pp. S278-S281.
  • Minella, C.B., Pistidda, C., Garroni, S., Nolis, P., Baró, M.D., Gutfleisch, O., Klassen, T., Bormann, R., Dornheim, M.: Ca(BH4)2 + MgH2: Desorption reaction and role of Mg on its reversibility; (2013) Journal of Physical Chemistry C, 117 (8), pp. 3846-3852.
  • Bonatto Minella, C., Pellicer, E., Rossinyol, E., Karimi, F., Pistidda, C., Garroni, S., Milanese, C., Nolis, P., Baró, M.D., Gutfleisch, O., Pranzas, K.P., Schreyer, A., Klassen, T., Bormann, R., Dornheim, M.: Chemical state, distribution, and role of Ti- and Nb-based additives on the Ca(BH4)2 system; (2013) Journal of Physical Chemistry C, 117 (9), pp. 4394-4403.
  • Garroni, S., Minella, C.B., Pottmaier, D., Pistidda, C., Milanese, C., Marini, A., Enzo, S., Mulas, G., Dornheim, M., Baricco, M., Gutfleisch, O., Suriñach, S., Baró, M.D.: Mechanochemical synthesis of NaBH4 starting from NaH-MgB 2 reactive hydride composite system; (2013) International Journal of Hydrogen Energy, 38 (5), pp. 2363-2369.
  • Saldan, I., Gosalawit-Utke, R., Pistidda, C., Bösenberg, U., Schulze, M., Jensen, T.R., Taube, K., Dornheim, M., Klassen, T.: Influence of stoichiometry on the hydrogen sorption behavior in the LiF-MgB 2 system; (2012) Journal of Physical Chemistry C, 116 (12), pp. 7010-7015.
  • K. Suarez Alcantara, J. M. Ramallo-Lopez, U. Boesenberg, I. Saldan, C. Pistidda, F. G. Requejo, T. Jensen, Y. Cerenius, M. Sørby, J. Avila, J. Bellosta von Colbe, K. Taube, Thomas Klassen, M. Dornheim: "3CaH2 + 4MgB2 + CaF2 Reactive Hydride Composite as a Potential Hydrogen Storage Material: Hydrogenation and Dehydrogenation Pathway", The Journal of Physical Chemistry C, 116 ( 2012) 7207−7212. DOI: 10.1021/jp211620h , → Open Access.
  • Nwakwuo, C.C., Pistidda, C., Dornheim, M., Hutchison, J.L., Sykes, J.M.: Microstructural study of hydrogen desorption in 2NaBH4 + MgH2 reactive hydride composite; (2012) International Journal of Hydrogen Energy, 37 (3), pp. 2382-2387.
  • Gosalawit-Utke, R., Nielsen, T.K., Pranzas, K., Saldan, I., Pistidda, C., Karimi, F., Laipple, D., Skibsted, J., Jensen, T.R., Klassen, T., Dornheim, M.: 2LiBH 4-MgH 2 in a resorcinol-furfural carbon aerogel scaffold for reversible hydrogen storage; (2012) Journal of Physical Chemistry C, 116 (1), pp. 1526-1534.
  • J.M. Bellosta von Colbe, O. Metz, G.A. Lozano, P.K. Pranzas, H.W. Schmitz, F. Beckmann, A. Schreyer, T. Klassen, and M. Dornheim, "Behaviour of scaled-up Sodium Alanate Hydrogen Storage Tanks during Sorption", International Journal of Hydrogen Energy, 37 (3) (2012), 2807–2811, DOI: 10.1016/J.ijhydene.2011.03.153.
  • J. Jepsen; J. M. Bellosta von Colbe; T. Klassen; M. Dornheim: Economic potential of complex hydrides compared to conventional hydrogen storage systems. In: International Journal of Hydrogen Energy. Vol. 37 (2012) 5, 4204 - 4214. DOI: 10.1016/j.ijhydene.2011.11.141.
  • Bonatto Minella, C., Garroni, S., Olid, D., Teixidor, F., Pistidda, C., Lindemann, I., Gutfleisch, O., Baró, M.D., Bormann, R., Klassen, T., Dornheim, M.: Experimental evidence of Ca[B12H12] formation during decomposition of a Ca(BH4)2 + MgH2 based reactive hydride composite; (2011) Journal of Physical Chemistry C, 115 (36), pp. 18010-18014.
  • Pottmaier, D., Pistidda, C., Groppo, E., Bordiga, S., Spoto, G., Dornheim, M., Baricco, M.: Dehydrogenation reactions of 2NaBH 4 + MgH 2 system; (2011) International Journal of Hydrogen Energy, 36 (13), pp. 7891-7896.
  • C. Pistidda; G. Barkhordarian; A. Rzeszutek; S. Garroni; C. Bonatto Minella; M.D. Baro; P. Nolis; R. Bormann; T. Klassen; M. Dornheim: Activation of the reactive hydride composite 2NaBH4 + MgH2. In: Scripta Materialia. Vol. 64 (2011) 11, 1035 - 1038. DOI: 10.1016/j.scriptamat.2011.02.017.
  • K. Suarez Alcantara, U.Boesenberg, O.Zavorotynska, J. Bellosta von Colbe, K.Taube, M.Baricco, T. Klassen, M. Dornheim: "Sorption and desorption properties of a CaH2/MgB2/CaF2 Reactive Hydride Composite as potential hydrogen storage material", Journal of Solid State Chemistry, 184 (11), (2011) 3104-3109 . DOI: 10.1016/j.jssc.2011.09.019 ,  → Open Access.
  • Ivan Saldan, Renato Campesi, Olena Zavorotynska, Giuseppe Spoto, Marcello Baricco, Anna Arendarska, Klaus Taube, Martin Dornheim, "Enhanced hydrogen uptake/release in 2LiH–MgB2 composite with titanium additives", Int J of Hydrogen Energy (2012) 37 (2012) 1604-1612, DOI: 10.1016/j.ijhydene.2011.10.047,  → Open Access
  • Gosalawit-Utke, R., Suarez, K., Bellosta Von Colbe, J.M., Bösenberg, U., Jensen, T.R., Cerenius, Y., Bonatto Minella, C., Pistidda, C., Barkhordarian, G., Schulze, M., Klassen, T., Bormann, R., Dornheim, M.: Ca(BH4)2-MgF2 reversible hydrogen storage: Reaction mechanisms and kinetic properties; (2011) Journal of Physical Chemistry C, 115 (9), pp. 3762-3768.
  • Bonatto Minella, C., Garroni, S., Pistidda, C., Gosalawit-Utke, R., Barkhordarian, G., Rongeat, C., Lindemann, I., Gutfleisch, O., Jensen, T.R., Cerenius, Y., Christensen, J., Baró, M.D., Bormann, R., Klassen, T., Dornheim, M.: Effect of transition metal fluorides on the sorption properties and reversible formation of Ca(BH4)2; (2011) Journal of Physical Chemistry C, 115 (5), pp. 2497-2504.
  • Nwakwuo, C.C., Pistidda, C., Dornheim, M., Hutchison, J.L., Sykes, J.M.: Microstructural analysis of hydrogen absorption in 2NaH + MgB2; (2011) Scripta Materialia, 64 (4), pp. 351-354.
  • Ivan Saldan, "A prospect for LiBH4 as on-board hydrogen storage”, Cent. Eur. J. Chem., 9(5) (2011) 761-775, DOI: 10.2478/s11532-011-0068-9,  → Open Access.
  • R. Gosalawit-Utke; K. Suarez; J. M. Bellosta von Colbe; U. Boesenberg; T. R. Jensen; Y. Cerenius; C. Bonatto Minella; C. Pistidda; G. Barkhordarian; M. Schulze; T. Klassen; R. Bormann; M. Dornheim: "Ca(BH4)2−MgF2 Reversible Hydrogen Storage: Reaction Mechanisms and Kinetic Properties".Journal of Physical Chemistry C, 115 (9), (ACS Publications, Washington DC, 2011) 9, 3762 - 3768. DOI: 10.1021/jp108236e,  → Open Access.
  • Pistidda, C., Garroni, S., Minella, C.B., Dolci, F., Jensen, T.R., Nolis, P., Bösenberg, U., Cerenius, Y., Lohstroh, W., Fichtner, M., Baró, M.D., Bormann, R., Dornheim, M.: Pressure effect on the 2NaH + MgB2 hydrogen absorption reaction; (2010) Journal of Physical Chemistry C, 114 (49), pp. 21816-21823.
  • C. Pistidda; S. Garroni; F. Dolci; E. Bardaji; A. Khandelwal; P. Nolis; M. Dornheim; R. Gosalawit; T. R. Jensen; S. Surinach; M.D. Baro; W. Lohstroh; M. Fichtner: Synthesis of amorphous Mg(BH4)2 from MgB2 and H2 at room temperature. In: Journal of Alloys and Compounds. Vol. 508 (2010) 1, 212 - 215. DOI: 10.1016/j.jallcom.2010.07.226.
  • Bösenberg, U., Ravnsbæk, D.B., Hagemann, H., D'Anna, V., Minella, C.B., Pistidda, C., Van Beek, W., Jensen, T.R., Bormann, R., Dornheim, M.: Pressure and temperature influence on the desorption pathway of the LiBH4-MgH2 composite system; (2010) Journal of Physical Chemistry C, 114 (35), pp. 15212-15217.
  • Dolci, F., Weidner, E., Hoelzel, M., Hansen, T., Moretto, P., Pistidda, C., Brunelli, M., Fichtner, M., Lohstroh, W.: In-situ neutron diffraction study of magnesium amide/lithium hydride stoichiometric mixtures with lithium hydride excess; (2010) International Journal of Hydrogen Energy, 35 (11), pp. 5448-5453.
  • Garroni, S., Milanese, C., Girella, A., Marini, A., Mulas, G., Menéndez, E., Pistidda, C., Dornheim, M., Suriñach, S., Baró, M.D.: Sorption properties of NaBH4/MH2 (M = Mg, Ti) powder systems; (2010) International Journal of Hydrogen Energy, 35 (11), pp. 5434-5441.
  • R. Gosalawit, J. M. Bellosta von Colbe, M. Dornheim, T.R. Jensen, Y. Cerenius, K. Suarez, C.M. Bonatto Minella, M. Peschke, R. Bormann, "LiF-MgB2 system for Reversible Hydrogen Storage”, Journal of Physical Chemistry C 114 (2010) 10291-10296. DOI: 10.1021/jp910266m,  → Open Access.
  • U. Bösenberg, J.W. Kim, D. Gosslar, N. Eigen, T.R. Jensen, J.M. Bellosta von Colbe, Y. Zhou, M. Dahms, D.H. Kim, R. Günther, Y.W. Cho, K.H. Oh, T. Klassen, R. Bormann, M. Dornheim, "Role of additives in LiBH4–MgH2 reactive hydride composites for sorption kinetics”, Acta Materialia, 58 (9) (2010), 3381-3389, DOI: doi:10.1016/j.actamat.2010.02.012,  → Open Access
  • M. Dornheim, "Tailoring Reaction Enthalpies of Hydrides”, Chapter in Handbook of Hydrogen Storage, edited by M. Hirscher, Wiley-VCH (2010) 187-214.
  • Garroni, S., Pistidda, C., Brunelli, M., Vaughan, G.B.M., Suriñach, S., Baró, M.D.: Hydrogen desorption mechanism of 2NaBH4 + MgH2 composite prepared by high-energy ball milling; (2009) Scripta Materialia, 60 (12), pp. 1129-1132.
  • M. Dornheim, T. Klassen, "High Temperature Hydrides”, in J. Garche, C.K. Dyer, P.T. Moseley, Z. Ogumi, D.A.J. Rand, B. Scrosati, editors, Encyclopedia of Electrochemical Power Sources, Vol. 3, Amsterdam: Elsevier (2009) 459-472.
  • N. Eigen, U. Bösenberg, J. Bellosta von Colbe, T.R. Jensen, Y. Cerenius, M. Dornheim, T. Klassen, R. Bormann, "Reversible hydrogen storage in NaF–Al composites", Journal of Alloys and Compounds, 477 (1-2) (2009), Pages 76-80, DOI: 10.1016/j.jallcom.2008.10.002.
  • G. Lozano; N. Eigen; C. Keller; M. Dornheim; R. Bormann: Effects of heat transfer on the sorption kinetics of complex hydride reacting systems. In: International Journal of Hydrogen Energy. Vol. 34 (2009) 4, 1896 - 1903. DOI: 10.1016/j.ijhydene.2008.12.028.
  • Mulas, G., Pistidda, C., Cocco, G., Scudino, S., Eckert, J.: Mechanically-induced hydrogen absorption in Zr-based quasicrystals; (2008) Reviews on Advanced Materials Science, 18 (7), pp. 645-649.
  • Mulas, G., Delogu, F., Pistidda, C., Cocco, G.: Mechanochemical effects on hydrogen absorption in Mg2Ni alloys under mechanical processing conditions; (2008) Journal of Materials Science, 43 (15), pp. 5193-5198.
  • Barkhordarian, G.; Jensen, T. R.; Doppiu, S.; Bosenberg, U.; Borgschulte, A.; Gremaud, R.; Cerenius, Y.; Dornheim, M.; Klassen, T.; Bormann, R.; "Formation of Ca(BH4)2 from Hydrogenation of CaH2+MgB2 Composite”; J. Phys. Chem. C.; Vol. 112 No. 7 (2008) 2743-2749, DOI: 10.1021/jp076325k.
  • Nico Eigen, Claude Keller, Martin Dornheim, Thomas Klassen, Rüdiger Bormann, Industrial production of light metal hydrides for hydrogen storage, Scripta Materialia 56 (2007) 847-851, DOI: 10.1016/j.scriptamat.2007.01.024.
  • M. Dornheim, S. Doppiu, G. Barkhordarian, U. Boesenberg, T. Klassen, O. Gutfleisch, R.Bormann, "Hydrogen Storage in Magnesium-Based Hydrides and Hydride Composites", Viewpoint Set on Mg-based hydrogen storage materials, Scripta Materialia, Volume 56, Issue 10, May 2007, Pages 841-846, DOI:
    10.1016/j.scriptamat.2007.01.003.
  • Dornheim, M.; Eigen, N.; Barkhordarian, G.; Klassen, T.; Bormann, R.: Tailoring Hydrogen Storage Materials Towards Application. In: Advanced Engineering Materials. Vol. 8 Weinheim: Wiley, (2006) 5, 377 - 385. DOI: 10.1002/adem.200600018.

 

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