Engineering bunched Pt-Ni alloy nanocages for efficient oxygen reduction in practical fuel cells | Zendy

Xinlong Tian | Zendy; Xiao Zhao | Zendy; Yaqiong Su | Zendy; Lijuan Wang | Zendy; Hongming Wang | Zendy; Dai Dang | Zendy; Bin Chi | Zendy; Hongfang Liu | Zendy; Emiel J. M. Hensen | Zendy; Xiong Wen Lou | Zendy; Bao Yu Xia | Zendy

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Engineering bunched Pt-Ni alloy nanocages for efficient oxygen reduction in practical fuel cells

Author(s) -

Xinlong Tian,

Xiao Zhao,

Yaqiong Su,

Lijuan Wang,

Hongming Wang,

Dai Dang,

Bin Chi,

Hongfang Liu,

Emiel J. M. Hensen,

Xiong Wen Lou,

Bao Yu Xia

Publication year - 2019

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aaw7493

Subject(s) - nanocages , platinum , catalysis , alloy , nickel , oxygen , oxygen reduction , materials science , oxygen reduction reaction , fuel cells , chemistry , nanotechnology , chemical engineering , inorganic chemistry , electrochemistry , metallurgy , electrode , organic chemistry , engineering

Nanocage-chain fuel cell catalysts The expense and scarcity of platinum has driven efforts to improve oxygen-reduction catalysts in proton-exchange membrane fuel cells. Tianet al. synthesized chains of platinum-nickel alloy nanospheres connected by necking regions. These structures can be etched to form nanocages with platinum-rich surfaces that are highly active for oxygen reduction. In fuel cells running on air and hydrogen, these catalysts operated for at least 180 hours.Science , this issue p.850

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