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  Facile synthesis of anhydrous Li2B12H12 with high purity by solvent-free method

He, L., Shao, H., Felderhoff, M., Li, H.-W., Li, X., Zhu, Q., et al. (2017). Facile synthesis of anhydrous Li2B12H12 with high purity by solvent-free method. Inorganica Chimica Acta, 464, 147-151. doi:10.1016/j.ica.2017.05.025.

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 Creators:
He, Liqing1, Author
Shao, Huaiyu2, Author
Felderhoff, Michael3, Author              
Li, Hai-Wen4, Author
Li, Xiangnan1, Author
Zhu, Qing1, Author
Zhang, Dehui1, Author
Wu, Dong1, Author
Fu, Yanda1, Author
Deng, Yonghong1, Author
Lu, Zhouguang1, Author
Affiliations:
1Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China, ou_persistent22              
2Institute of Applied Physics and Materials Engineering (IAPME), University of Macau, Macau SAR, China, ou_persistent22              
3Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
4International Research Center for Hydrogen Energy, Kyushu University, Fukuoka 819-0395, Japan, ou_persistent22              

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Free keywords: Li2B12H12, Synthesis, Solvent-free, Open system, Sealed system
 Abstract: This work is aimed to synthesize anhydrous Li2B12H12 with high purity via solvent-free reaction between solid state reagents LiBH4 and B10H14. The reaction is conducted respectively in open system and sealed system for comparison. It is observed to experience three thermodynamic steps: (1) melting of B10H14 at 103°C, (2) phase transition of LiBH4 at 118°C and (3) Li2B12H12 formation at 135°C. With appropriate heat treatment at 180°C for 2h, Li2B12H12 with purity high as 93% is obtained in open system of 2 LiBH4 +1.4 B10H14 with excess B10H14. Sealed system reacting at approximate even optimized conditions is unavailable to produce such high purity of Li2B12H12. Chemical equilibrium confines the sufficient interaction between LiBH4 and B10H14 in sealed system but it does not do in open system.

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Language(s): eng - English
 Dates: 2017-05-112017-08-01
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.ica.2017.05.025
 Degree: -

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Title: Inorganica Chimica Acta
  Abbreviation : Inorg. Chim. Acta
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Amsterdam [etc.] : Elsevier
Pages: - Volume / Issue: 464 Sequence Number: - Start / End Page: 147 - 151 Identifier: ISSN: 0020-1693
CoNE: https://pure.mpg.de/cone/journals/resource/954925622228_1