Fast hydrolysis and hydrogen generation on Al-Bi alloys and Al-Bi-C composites synthesized by high-pressure torsion

Fan Zhang, Kaveh Edalati, Makoto Arita, Zenji Horita

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Al-Bi alloys and Al-Bi-C composites with different compositions were synthesized by high-pressure torsion (HPT) and their hydrogen generation behavior via hydrolysis was investigated in contact with pure water. Bi was added to Al to enhance the effect of nano-galvanic cells and to promote the pitting corrosion, and C in the form of graphite was added to Al to accelerate the fragmentation of the composite and to increase the total active surface area. An optimized Al-30 wt%Bi-10 wt%C composition exhibited a hydrogen generation rate as fast as 270 ml min−1 g−1 in water and its total hydrogen generation amount reached the theoretical level at 333 K (all aluminum atoms reacted with water in less than 10 min and formed Al2O3).

Original languageEnglish
Pages (from-to)29121-29130
Number of pages10
JournalInternational Journal of Hydrogen Energy
Volume42
Issue number49
DOIs
Publication statusPublished - Dec 7 2017

Fingerprint

Torsional stress
torsion
hydrolysis
Hydrolysis
Hydrogen
composite materials
Composite materials
hydrogen
water
Water
electrolytic cells
pitting
Pitting
Chemical analysis
corrosion
fragmentation
Graphite
graphite
Corrosion
aluminum

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Fast hydrolysis and hydrogen generation on Al-Bi alloys and Al-Bi-C composites synthesized by high-pressure torsion. / Zhang, Fan; Edalati, Kaveh; Arita, Makoto; Horita, Zenji.

In: International Journal of Hydrogen Energy, Vol. 42, No. 49, 07.12.2017, p. 29121-29130.

Research output: Contribution to journalArticle

@article{2b70801c45f445f4ae8243c289f424f5,
title = "Fast hydrolysis and hydrogen generation on Al-Bi alloys and Al-Bi-C composites synthesized by high-pressure torsion",
abstract = "Al-Bi alloys and Al-Bi-C composites with different compositions were synthesized by high-pressure torsion (HPT) and their hydrogen generation behavior via hydrolysis was investigated in contact with pure water. Bi was added to Al to enhance the effect of nano-galvanic cells and to promote the pitting corrosion, and C in the form of graphite was added to Al to accelerate the fragmentation of the composite and to increase the total active surface area. An optimized Al-30 wt{\%}Bi-10 wt{\%}C composition exhibited a hydrogen generation rate as fast as 270 ml min−1 g−1 in water and its total hydrogen generation amount reached the theoretical level at 333 K (all aluminum atoms reacted with water in less than 10 min and formed Al2O3).",
author = "Fan Zhang and Kaveh Edalati and Makoto Arita and Zenji Horita",
year = "2017",
month = "12",
day = "7",
doi = "10.1016/j.ijhydene.2017.10.057",
language = "English",
volume = "42",
pages = "29121--29130",
journal = "International Journal of Hydrogen Energy",
issn = "0360-3199",
publisher = "Elsevier Limited",
number = "49",

}

TY - JOUR

T1 - Fast hydrolysis and hydrogen generation on Al-Bi alloys and Al-Bi-C composites synthesized by high-pressure torsion

AU - Zhang, Fan

AU - Edalati, Kaveh

AU - Arita, Makoto

AU - Horita, Zenji

PY - 2017/12/7

Y1 - 2017/12/7

N2 - Al-Bi alloys and Al-Bi-C composites with different compositions were synthesized by high-pressure torsion (HPT) and their hydrogen generation behavior via hydrolysis was investigated in contact with pure water. Bi was added to Al to enhance the effect of nano-galvanic cells and to promote the pitting corrosion, and C in the form of graphite was added to Al to accelerate the fragmentation of the composite and to increase the total active surface area. An optimized Al-30 wt%Bi-10 wt%C composition exhibited a hydrogen generation rate as fast as 270 ml min−1 g−1 in water and its total hydrogen generation amount reached the theoretical level at 333 K (all aluminum atoms reacted with water in less than 10 min and formed Al2O3).

AB - Al-Bi alloys and Al-Bi-C composites with different compositions were synthesized by high-pressure torsion (HPT) and their hydrogen generation behavior via hydrolysis was investigated in contact with pure water. Bi was added to Al to enhance the effect of nano-galvanic cells and to promote the pitting corrosion, and C in the form of graphite was added to Al to accelerate the fragmentation of the composite and to increase the total active surface area. An optimized Al-30 wt%Bi-10 wt%C composition exhibited a hydrogen generation rate as fast as 270 ml min−1 g−1 in water and its total hydrogen generation amount reached the theoretical level at 333 K (all aluminum atoms reacted with water in less than 10 min and formed Al2O3).

UR - http://www.scopus.com/inward/record.url?scp=85032798376&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85032798376&partnerID=8YFLogxK

U2 - 10.1016/j.ijhydene.2017.10.057

DO - 10.1016/j.ijhydene.2017.10.057

M3 - Article

AN - SCOPUS:85032798376

VL - 42

SP - 29121

EP - 29130

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

SN - 0360-3199

IS - 49

ER -