TY  - JOUR
AU  - Chen, Bin
AU  - Liu, Tao
AU  - Zhang, Junfeng
AU  - Zhao, Shuo
AU  - Yue, Runfei
AU  - Wang, Sipu
AU  - Wang, Lianqin
AU  - Chen, Zhihao
AU  - Feng, Yingjie
AU  - Huang, Jun
AU  - Yin, Yan
AU  - Guiver, Michael D.
TI  - Interface‐Engineered NiFe/Ni‐S Nanoparticles for Reliable Alkaline Oxygen Production at Industrial Current: A Sulfur Source Confinement Strategy
JO  - Small
VL  - 20
IS  - 24
SN  - 1613-6810
CY  - Weinheim
PB  - Wiley-VCH
M1  - FZJ-2024-02728
SP  - 2310737
PY  - 2024
AB  - Using powder-based ink appears to be the most suitable candidate for commercializing the membrane electrode assembly (MEA), while research on the powder-based NPM catalyst for anion exchange membrane water electrolyzer (AEMWE) is currently insufficient, especially at high current density. Herein, a sulfur source (NiFe Layered double hydroxide adsorbed) confinement strategy is developed to integrate Ni3S2 onto the surface of amorphous/crystalline NiFe alloy nanoparticles (denoted NiFe/Ni-S), achieving advanced control over the sulfidation process for the formation of metal sulfides. The constructed interface under the sulfur source confinement strategy generates abundant active sites that increase electron transport at the electrode-electrolyte interface and improve ability over an extended period at a high current density. Consequently, the constructed NiFe/Ni-S delivers an ultra-low overpotential of 239 mV at 10 mA cm−2 and 0.66 mAunder an overpotential of 300 mV. The AEMWE with NiFe/Ni-S anode exhibits a cell voltage of 1.664 V @ 0.5 A cm−2 and a 400 h stability at 1.0 A cm−2.
LB  - PUB:(DE-HGF)16
C6  - 38396324
UR  - <Go to ISI:>//WOS:001169720000001
DO  - DOI:10.1002/smll.202310737
UR  - https://juser.fz-juelich.de/record/1025151
ER  -