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Controlling the Growth of LiBH 4 Nanoparticles for Hydrogen Storage
Author(s) -
Wang Ting,
AgueyZinsou KondoFrancois
Publication year - 2019
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201801159
Subject(s) - nanoparticle , hydrogen storage , context (archaeology) , materials science , hydrogen , steric effects , chemical engineering , particle (ecology) , pulmonary surfactant , particle size , evaporation , solvent , nanotechnology , chemistry , organic chemistry , thermodynamics , physics , paleontology , oceanography , geology , engineering , biology
LiBH 4 is a potentially promising material to store high‐density hydrogen reversibly. However, its practical use is hindered by the poor reversibility and excessive temperature required for hydrogen release. Nanosizing and the core–shell approach in particular are effective strategies to enable hydrogen reversibility at low temperatures because the properties of LiBH 4 highly depend upon particle size. In this context, the development of synthetic methods and understanding to tune the particle size of LiBH 4 has become important. The synthesis of isolated LiBH 4 nanoparticles stabilized by different surfactants by the solvent evaporation method is reported. The surfactants’ chain length, their steric hindrance, and the ability of the surfactant head group to bind strongly to LiBH 4 are found to control the growth and stabilization of LiBH 4 nanoparticles. In particular, long linear chains with hard‐type head groups are preferable for the synthesis of LiBH 4 particles <20 nm.