Pyrite-type ruthenium disulfide with tunable disorder and defects enables ultra-efficient overall water splitting

2019 ◽  
Vol 7 (23) ◽  
pp. 14222-14232 ◽  
Author(s):  
Yinlong Zhu ◽  
Hassan A. Tahini ◽  
Yang Wang ◽  
Qian Lin ◽  
Yan Liang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Cell Voltage ◽  
Defect Engineering ◽  
Overall Water Splitting

Synergistic disorder and defect engineering in ruthenium disulfide enables efficient water splitting with an ultralow cell voltage of 1.527 V.

Plasma-Induced Defect Engineering and Cation Refilling of NiMoO4 Parallel Arrays for Overall Water Splitting

2021 ◽  
Vol 13 (35) ◽  
pp. 41545-41554
Author(s):  
Xuesong Liu ◽  
Peng Liu ◽  
Feifei Wang ◽  
Xingbin Lv ◽  
Tao Yang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Defect Engineering ◽  
Overall Water Splitting ◽  
Parallel Arrays

Nickel selenide from single-molecule electrodeposition for efficient electrocatalytic overall water splitting

2021 ◽  
Vol 45 (1) ◽  
pp. 351-357
Author(s):  
Dandan Chen ◽  
Yingdong Chen ◽  
Wei Zhang ◽  
Rui Cao
Keyword(s):  
Water Splitting ◽  
Alkaline Medium ◽  
Single Molecule ◽  
Cell Voltage ◽  
Superior Performance ◽  
Overall Water Splitting

The prepared electrode (NiSe-TMEDA/CC) from single-molecule electrodeposition is functional for both the OER and HER and shows a superior performance for overall water splitting with a low cell voltage in alkaline medium.

A unique sandwich structure of a CoMnP/Ni2P/NiFe electrocatalyst for highly efficient overall water splitting

2019 ◽  
Vol 7 (19) ◽  
pp. 12325-12332 ◽  
Author(s):  
Xiuming Bu ◽  
Renjie Wei ◽  
Wei Gao ◽  
Changyong Lan ◽  
Johnny C. Ho
Keyword(s):  
Water Splitting ◽  
Sandwich Structure ◽  
Cell Voltage ◽  
Alkaline Media ◽  
Bifunctional Electrocatalyst ◽  
Highly Efficient ◽  
Overall Water Splitting

A unique sandwich structure of CoMnP/Ni2P/NiFe is successfully achieved by introducing a Ni2P interlayer between CoMnP nanosheets and NiFe foam to achieve an excellent bifunctional electrocatalyst, yielding a low cell voltage of only 1.48 V at 10 mA cm−2 for overall water splitting in alkaline media.

An advanced and highly efficient Ce assisted NiFe-LDH electrocatalyst for overall water splitting

2020 ◽  
Vol 4 (1) ◽  
pp. 312-323 ◽  
Author(s):  
Harsharaj S. Jadhav ◽  
Animesh Roy ◽  
Bezawit Z. Desalegan ◽  
Jeong Gil Seo
Keyword(s):  
Water Splitting ◽  
Current Density ◽  
Room Temperature ◽  
Cell Voltage ◽  
Highly Efficient ◽  
Overall Water Splitting ◽  
A Cell ◽  
A Current

A room-temperature synthesized NiFeCe2 electrocatalyst delivered a current density of 10 mA cm−2 at a cell voltage of 1.59 V when used as the electrolyzer.

Controllable Atomic Defect Engineering in Layered NixFe1-x(OH)2 Nanosheets for Electrochemical Overall Water Splitting

2021 ◽  
Author(s):  
Wei Ma ◽  
Jiajia Ge ◽  
Jin You Zheng ◽  
Jiangwei Zhang ◽  
Suyu Jiang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Low Cost ◽  
Defect Engineering ◽  
Overall Water Splitting ◽  
Earth Abundant

Exploring efficient electrocatalysts through controllable defect engineering in materials with low-cost and earth-abundant elements is highly desired for overall water splitting. Herein, a hybrid electrocatalyst was accomplished by growing layered...

scholarly journals Laser Synthesis of Iridium Nanospheres for Overall Water Splitting

Materials ◽  
2019 ◽  
Vol 12 (18) ◽  
pp. 3028 ◽  
Author(s):  
Hai-Bin Wang ◽  
Jia-Qi Wang ◽  
Neli Mintcheva ◽  
Min Wang ◽  
Shuang Li ◽  
...  
Keyword(s):  
Water Splitting ◽  
Cell Voltage ◽  
Bifunctional Catalyst ◽  
Catalytic Performance ◽  
Dark Field ◽  
Atomic Steps ◽  
Overall Water Splitting ◽  
Scanning Transmission ◽  
Annular Dark Field ◽  
Atom Level

Engineering surface structure of catalysts is an efficient way towards high catalytic performance. Here, we report on the synthesis of regular iridium nanospheres (Ir NSs), with abundant atomic steps prepared by a laser ablation technique. Atomic steps, consisting of one-atom level covering the surface of such Ir NSs, were observed by aberration-corrected high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM). The prepared Ir NSs exhibited remarkably enhanced activity both for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) in acidic medium. As a bifunctional catalyst for overall water splitting, they achieved a cell voltage of 1.535 V @ 10 mA/cm2, which is much lower than that of Pt/C-Ir/C couple (1.630 V @ 10 mA/cm2).

scholarly journals Interface engineering of mesoporous triphasic cobalt–copper phosphides as active electrocatalysts for overall water splitting

2021 ◽  
Author(s):  
Ali Saad ◽  
Zhixing Cheng ◽  
Hangjia Shen ◽  
Haichuan Guo ◽  
John Paul Attfield ◽  
...  
Keyword(s):  
Water Splitting ◽  
Noble Metal ◽  
Cell Voltage ◽  
Interface Engineering ◽  
Highly Efficient ◽  
Overall Water Splitting ◽  
Cobalt Copper

3-D mesoporous triphasic cobalt–copper phosphides is used as highly efficient bifunctional, stable electrocatalyst for water-alkali electrolyzers. This offers a lower cell voltage when compared to noble-metal-based Pt/C–IrO2/C.

Photothermal coupling electrolysis on Ni–W–B toward practical overall water splitting

2019 ◽  
Vol 7 (20) ◽  
pp. 12440-12445 ◽  
Author(s):  
Weiju Hao ◽  
Renbing Wu ◽  
Hongyuan Yang ◽  
Yanhui Guo
Keyword(s):  
Water Splitting ◽  
Current Density ◽  
Cell Voltage ◽  
Photothermal Effect ◽  
Carbon Cloth ◽  
Cell Temperature ◽  
Overall Water Splitting ◽  
A Current

An overall water splitting device assembled using a photothermal effect coupled Ni–W–B/carbon cloth electrode could deliver a current density of 25 mA cm−2 at an ultralow cell voltage of 1.524 V without heating the whole system, which is comparable to its performance at an elevated cell temperature of 50 °C.

La,Al-Codoped SrTiO3 as a Photocatalyst in Overall Water Splitting: Significant Surface Engineering Effects on Defect Engineering

ACS Catalysis ◽  
2021 ◽  
pp. 11429-11439
Author(s):  
Yalei Qin ◽  
Fan Fang ◽  
Zhengzheng Xie ◽  
Huiwen Lin ◽  
Kai Zhang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Surface Engineering ◽  
Defect Engineering ◽  
Overall Water Splitting
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