Electro-synthesis of 3D porous hierarchical Ni–Fe phosphate film/Ni foam as a high-efficiency bifunctional electrocatalyst for overall water splitting

2016 ◽  
Vol 4 (36) ◽  
pp. 13866-13873 ◽  
Author(s):  
Junheng Xing ◽  
Hui Li ◽  
Mark Ming-Cheng Cheng ◽  
Scott M. Geyer ◽  
K. Y. Simon Ng

A highly efficient bifunctional electrocatalyst of nickel–iron phosphates for hydrogen and oxygen evolution reactions (HER and OER) was designed and preparedviaa simple electrodeposition method.

2021 ◽  
Vol 367 ◽  
pp. 137567
Author(s):  
Guanghui Zhang ◽  
Huaiyun Ge ◽  
Lingxue Zhao ◽  
Jianyu Liu ◽  
Fengbo Wang ◽  
...  

Nanoscale ◽  
2020 ◽  
Vol 12 (45) ◽  
pp. 23125-23133
Author(s):  
Yifan Tian ◽  
Xinying Xue ◽  
Yu Gu ◽  
Zhaoxi Yang ◽  
Guo Hong ◽  
...  

Electrochemically splitting water into hydrogen and oxygen plays a significant role in the commercialization of hydrogen energy as well as fuel cells, but it remains a challenge to design and fabricate low-cost and high-efficiency electrocatalysts.


Nanoscale ◽  
2019 ◽  
Vol 11 (19) ◽  
pp. 9319-9326 ◽  
Author(s):  
Yue Zhao ◽  
Shihui Xing ◽  
Xinying Meng ◽  
Jinghui Zeng ◽  
Shibin Yin ◽  
...  

In this work, we report energy-saving H2 production by replacing the oxygen evolution reaction with the thermodynamic favorable isopropanol oxidation reaction (IOR) based on a bifunctional ultrathin Rh nanosheets electrocatalyst (Rh-NSs), which only requires the voltage of 0.4 V to achieve the H2 and acetone co-production.


2019 ◽  
Vol 6 (1) ◽  
pp. 74-81 ◽  
Author(s):  
Xianwei Lv ◽  
Zhongpan Hu ◽  
Jintao Ren ◽  
Yuping Liu ◽  
Zheng Wang ◽  
...  

Al-doped CoP nanosheets self-supported on Ni foam are shown to be an efficient bifunctional electrocatalyst for long-time overall water splitting.


2016 ◽  
Vol 4 (19) ◽  
pp. 7245-7250 ◽  
Author(s):  
Xiaolin Zhu ◽  
Cheng Tang ◽  
Hao-Fan Wang ◽  
Bo-Quan Li ◽  
Qiang Zhang ◽  
...  

Fully exposed ternary hydroxides electrodeposited on Ni foam (NiCoFe/NF) exhibited superb oxygen evolution and hydrogen evolution reactivity in alkaline media, and this monolithic-structured electrode further enabled a high-efficiency water electrolyzer.


2018 ◽  
Vol 6 (33) ◽  
pp. 16130-16138 ◽  
Author(s):  
Jinwhan Joo ◽  
Haneul Jin ◽  
Aram Oh ◽  
Byeongyoon Kim ◽  
Jaeyoung Lee ◽  
...  

An IrRu nanocactus on a Cu2−xS@IrSy core exhibits excellent electrocatalytic activity and stability toward both the hydrogen evolution reaction and the oxygen evolution reaction in an acidic electrolyte.


2018 ◽  
Vol 11 (5) ◽  
pp. 1287-1298 ◽  
Author(s):  
Prashanth W. Menezes ◽  
Chakadola Panda ◽  
Stefan Loos ◽  
Florian Bunschei-Bruns ◽  
Carsten Walter ◽  
...  

The mechanistically distinct and synergistic role of phosphite anions in hydrogen evolution and nickel cations in oxygen evolution have been uncovered for active and durable overall water splitting catalysis in nickel phosphite.


RSC Advances ◽  
2017 ◽  
Vol 7 (73) ◽  
pp. 46286-46296 ◽  
Author(s):  
Nan Zhang ◽  
Junyu Lei ◽  
Jianpeng Xie ◽  
Haiyan Huang ◽  
Ying Yu

A novel 3D hierarchical bifunctional catalytic electrode, MoS2/Ni3S2 nanorod arrays well-aligned on NF exhibited excellent electrocatalytic efficiency for hydrogen evolution reaction, oxygen evolution reaction and overall water splitting.


Sign in / Sign up

Export Citation Format

Share Document