Ultrathin Rh nanosheets as a highly efficient bifunctional electrocatalyst for isopropanol-assisted overall water splitting

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.

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.


2019 ◽  
Vol 7 (21) ◽  
pp. 13242-13248 ◽  
Author(s):  
Zong Liu ◽  
Xu Yu ◽  
Huaiguo Xue ◽  
Ligang Feng

A nitrogen-doped CoP nanoarray over 3D porous Co foam is proposed as a robust bifunctional catalyst for the hydrogen evolution reaction and oxygen evolution reaction in the overall water-splitting reaction.


2020 ◽  
Vol 10 (16) ◽  
pp. 5559-5565 ◽  
Author(s):  
Wei Jin ◽  
Jianping Chen ◽  
Hengbo Wu ◽  
Nan Zang ◽  
Qingwei Li ◽  
...  

Inexpensive bifunctional electrocatalysts towards oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is highly desirable from the perspective of energy conversion.


2017 ◽  
Vol 5 (47) ◽  
pp. 24767-24774 ◽  
Author(s):  
Chenlong Dong ◽  
Xiangye Liu ◽  
Xin Wang ◽  
Xiaotao Yuan ◽  
Ziwan Xu ◽  
...  

Ni/NiTiO3 manifests remarkable catalytic performance for both the oxygen evolution reaction (OER) and the hydrogen evolution reaction (HER) in alkaline solutions.


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.


2018 ◽  
Vol 6 (5) ◽  
pp. 2067-2072 ◽  
Author(s):  
Jia Liu ◽  
Jinsong Wang ◽  
Bao Zhang ◽  
Yunjun Ruan ◽  
Houzhao Wan ◽  
...  

Designing low-cost and highly efficient bifunctional electrocatalysts for compatible integration with the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) for overall water splitting is critical but challenging.


Author(s):  
Ravichandran Balaji ◽  
Thanh Tuan Nguyen ◽  
Kempanna Harish ◽  
Nam Hoon Kim ◽  
Joong Hee Lee

Electrochemical water-splitting is rising as the promised pathway to produce pure and green hydrogen. However, the sluggish kinetics of the oxygen evolution reaction (OER) and slow reaction rate of hydrogen...


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.


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