An amorphous FeMoS4 nanorod array toward efficient hydrogen evolution electrocatalysis under neutral conditions

2017 ◽  
Vol 53 (64) ◽  
pp. 9000-9003 ◽  
Author(s):  
Xiang Ren ◽  
Weiyi Wang ◽  
Ruixiang Ge ◽  
Shuai Hao ◽  
Fengli Qu ◽  
...  
Keyword(s):  
High Activity ◽  
Hydrogen Evolution ◽  
Current Density ◽  
Nanorod Array ◽  
Carbon Cloth ◽  
Catalytic Current ◽  
Neutral Media ◽  
Neutral Conditions

As a durable catalyst, an FeMoS4 nanorod array on carbon cloth shows high activity for hydrogen evolution in neutral media, achieving a geometrical catalytic current density of 10 mA cm−2 at an overpotential of 204 mV.

Cobalt–borate nanowire array as a high-performance catalyst for oxygen evolution reaction in near-neutral media

2017 ◽  
Vol 5 (16) ◽  
pp. 7291-7294 ◽  
Author(s):  
Xiang Ren ◽  
Ruixiang Ge ◽  
Yong Zhang ◽  
Danni Liu ◽  
Dan Wu ◽  
...  
Keyword(s):  
High Activity ◽  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
High Performance ◽  
Nanowire Array ◽  
Catalytic Current ◽  
Neutral Media ◽  
Ti Mesh

As a durable catalyst, cobalt–borate nanowire array on Ti mesh exhibits high activity for water oxidation in near-neutral media, thereby achieving a geometrical catalytic current density of 10 mA cm−2 at an overpotential of 420 mV.

Novel porous tungsten carbide hybrid nanowires on carbon cloth for high-performance hydrogen evolution

2017 ◽  
Vol 5 (25) ◽  
pp. 13196-13203 ◽  
Author(s):  
Bowen Ren ◽  
Dongqi Li ◽  
Qiuyan Jin ◽  
Hao Cui ◽  
Chengxin Wang
Keyword(s):  
Tungsten Carbide ◽  
High Activity ◽  
Hydrogen Evolution ◽  
High Performance ◽  
Alkaline Solutions ◽  
Carbon Cloth ◽  
Porous Tungsten ◽  
Binder Free

Novel 3D porous tungsten carbide hybrid nanowires (p-WCx NWs) are prepared on carbon cloth as a binder-free efficient electrocatalyst for hydrogen evolution. It shows a high activity and outstanding stability in both acidic and alkaline solutions.

A cobalt-borate nanosheet array: an efficient and durable non-noble-metal electrocatalyst for water oxidation at near neutral pH

2017 ◽  
Vol 5 (16) ◽  
pp. 7305-7308 ◽  
Author(s):  
Libin Yang ◽  
Danni Liu ◽  
Shuai Hao ◽  
Rongmei Kong ◽  
Abdullah M. Asiri ◽  
...  
Keyword(s):  
High Activity ◽  
Noble Metal ◽  
Current Density ◽  
Water Oxidation ◽  
Catalytic Current ◽  
Neutral Ph ◽  
Nanosheet Array ◽  
Ti Mesh ◽  
Catalyst Electrode

As a durable catalyst electrode, a cobalt-borate nanosheet array on a Ti mesh shows high activity for water oxidation in 0.1 M K-Bi (pH: 9.2), achieving a geometrical catalytic current density of 10 mA cm−2 at an overpotential of 469 mV.

Ultra-thin wrinkled NiOOH–NiCr2O4 nanosheets on Ni foam: an advanced catalytic electrode for oxygen evolution reaction

2018 ◽  
Vol 54 (39) ◽  
pp. 4987-4990 ◽  
Author(s):  
Jinxiu Zhao ◽  
Xiang Ren ◽  
Qingzhi Han ◽  
Dawei Fan ◽  
Xu Sun ◽  
...  
Keyword(s):  
High Activity ◽  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
Alkaline Media ◽  
Ni Foam ◽  
Catalytic Current

NiOOH–NiCr2O4/NF shows high activity for the OER in alkaline media, achieving a catalytic current density of 20 mA cm−2 at an overpotential of 271 mV.

Tuning the morphological and electronic structure of amorphous nickel-based electrocatalysts by anion regulation for water oxidation in neutral media

2019 ◽  
Vol 6 (11) ◽  
pp. 3093-3096 ◽  
Author(s):  
Gang Yuan ◽  
Yujie Hu ◽  
Qiwei Wang ◽  
Zihan Wang ◽  
Li Wang ◽  
...  
Keyword(s):  
Electronic Structure ◽  
High Activity ◽  
Water Oxidation ◽  
Oxidation Catalysts ◽  
Neutral Media ◽  
Neutral Conditions ◽  
Tunable Morphology

Self-supported water oxidation catalysts with high activity under neutral conditions were fabricated with tunable morphology and electronic structure by anion regulation.

Prussian blue analog-derived 2D ultrathin CoFe2O4 nanosheets as high-activity electrocatalysts for the oxygen evolution reaction in alkaline and neutral media

2019 ◽  
Vol 7 (13) ◽  
pp. 7328-7332 ◽  
Author(s):  
Hengyi Fang ◽  
Taizhong Huang ◽  
Dong Liang ◽  
Ming Qiu ◽  
Yue Sun ◽  
...  
Keyword(s):  
Prussian Blue ◽  
High Activity ◽  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
Oxygen Vacancies ◽  
High Current Density ◽  
High Current ◽  
Prussian Blue Analog ◽  
Neutral Media

Oxygen vacancies on CoFe2O4 NSs and lattice oxygens that participate in the reaction deliver a high current density and low overpotential for the OER.

Metallic Co9S8 nanosheets grown on carbon cloth as efficient binder-free electrocatalysts for the hydrogen evolution reaction in neutral media

2016 ◽  
Vol 4 (18) ◽  
pp. 6860-6867 ◽  
Author(s):  
Liang-Liang Feng ◽  
Meihong Fan ◽  
Yuanyuan Wu ◽  
Yipu Liu ◽  
Guo-Dong Li ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Carbon Cloth ◽  
Direct Growth ◽  
Neutral Media ◽  
Binder Free

We report the direct growth of metallic Co9S8 nanosheets on carbon cloth (CC), which can serve as efficient binder-free electrocatalysts for the HER in neutral media.

Cathodic electrochemical activation of Co3O4 nanoarrays: a smart strategy to significantly boost the hydrogen evolution activity

2018 ◽  
Vol 54 (17) ◽  
pp. 2150-2153 ◽  
Author(s):  
Li Yang ◽  
Huang Zhou ◽  
Xin Qin ◽  
Xiaodong Guo ◽  
Guanwei Cui ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Active Layer ◽  
Current Density ◽  
Room Temperature ◽  
Cathodic Polarization ◽  
Electrochemical Activation ◽  
Catalytic Current ◽  
Co3o4 Nanoarrays

The room-temperature cathodic polarization of Co3O4 leads to an ultrathin amorphous Co–P shell as an active layer. Such a Co–P@Co3O4 hybrid nanoarray needs an overpotential of 73 mV to drive a geometrical catalytic current density of 10 mA cm−2 in 1.0 M KOH.

A self-standing nanoporous MoP2 nanosheet array: an advanced pH-universal catalytic electrode for the hydrogen evolution reaction

2016 ◽  
Vol 4 (19) ◽  
pp. 7169-7173 ◽  
Author(s):  
Wenxin Zhu ◽  
Chun Tang ◽  
Danni Liu ◽  
Jianlong Wang ◽  
Abdullah M. Asiri ◽  
...  
Keyword(s):  
High Activity ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Carbon Cloth ◽  
Nanosheet Array

A self-standing MoP2 nanosheet array on carbon cloth acts as a robust pH-universal catalytic electrode for the hydrogen evolution reaction with high activity.

scholarly journals Boosting hydrogen evolution performance by using a plasma-sputtered porous monolithic W2C@WC1−x/Mo film electrocatalyst

2020 ◽  
Vol 8 (37) ◽  
pp. 19473-19483
Author(s):  
Shusheng Xu ◽  
Liuquan Yang ◽  
Yu-Zhen Liu ◽  
Yong Hua ◽  
Xiaoming Gao ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Current Density ◽  
Carbon Cloth ◽  
Tafel Slope ◽  
Ion Plasma ◽  
Low Overpotential

A sputtering strategy is reported to prepare a porous W2C@WC1−x film on carbon cloth in a W, C and Ar ion plasma atmosphere. It exhibits excellent HER performance with a low overpotential (58 mV vs. RHE, −10 mA cm−2 current density) and Tafel slope of 41 mV dec−1.

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