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Title: Nanointerface-driven reversible hydrogen storage in the nanoconfined Li-N-H system

Internal interfaces in the Li 3N/[LiNH 2 + 2LiH] solid-state hydrogen storage system alter the hydrogenation and dehydrogenation reaction pathways upon nanosizing, suppressing undesirable intermediate phases to dramatically improve kinetics and reversibility. Finally, the key role of solid interfaces in determining thermodynamics and kinetics suggests a new paradigm for optimizing complex hydrides for solid-state hydrogen storage by engineering internal microstructure.
Authors:
 [1] ;  [2] ;  [3] ;  [1] ;  [1] ;  [2] ;  [4] ;  [1] ;  [3] ;  [2] ;  [3]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Sandia National Lab. (SNL-CA), Livermore, CA (United States)
  3. Mahidol Univ., Bangkok (Thailand)
  4. National Institute of Standards and Technology, Gaithersburg MD (United States)
Publication Date:
Report Number(s):
SAND-2016-9601J; LLNL-JRNL-676756
Journal ID: ISSN 2196-7350; 647756
Grant/Contract Number:
AC04-94AL85000; AC52-07NA27344
Type:
Accepted Manuscript
Journal Name:
Advanced Materials Interfaces
Additional Journal Information:
Journal Volume: 4; Journal Issue: 3; Journal ID: ISSN 2196-7350
Publisher:
Wiley-VCH
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Fuel Cell Technologies Office (EE-3F)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; hydrogen storage; interfaces; metal hydrides; nanoconfinement; solid-state reactions; Materials science, Nanoscience and Nanotechnology, Energy - Hydrogen, Chemistry - Inorganic, organic, physical and analytical chemistry, Physics - Solid state physics
OSTI Identifier:
1343054
Alternate Identifier(s):
OSTI ID: 1400815; OSTI ID: 1461737