Modulating electronic structure of cobalt phosphide porous nanofiber by ruthenium and nickel dual doping for highly-efficiency overall water splitting at high current density

2021 ◽  
pp. 120488
Author(s):  
Yuyan Song ◽  
Jianlin Cheng ◽  
Jiang Liu ◽  
Qing Ye ◽  
Xiang Gao ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Water Splitting ◽  
Current Density ◽  
High Current Density ◽  
High Current ◽  
Cobalt Phosphide ◽  
Overall Water Splitting ◽  
Porous Nanofiber

Bifunctional CoNi/CoFe2O4 /Ni foam electrodes for efficient overall water splitting at a high current density

2018 ◽  
Vol 6 (39) ◽  
pp. 19221-19230 ◽  
Author(s):  
Shasha Li ◽  
Suchada Sirisomboonchai ◽  
Akihiro Yoshida ◽  
Xiaowei An ◽  
Xiaogang Hao ◽  
...  
Keyword(s):  
Porous Structure ◽  
Water Splitting ◽  
Current Density ◽  
High Current Density ◽  
Nickel Foam ◽  
High Current ◽  
Ni Foam ◽  
Overall Water Splitting

An electrocatalyst composed of CoNi(hydroxide) nanosheets and flower-like CoFe2O4 particles with multiple porous structure is successfully deposited on nickel foam and applied for overall water splitting.

scholarly journals Sea coral-like NiCo2O4@(Ni, Co)OOH heterojunctions for enhancing overall water-splitting

2018 ◽  
Vol 8 (16) ◽  
pp. 4151-4158 ◽  
Author(s):  
Leiming Tao ◽  
Man Li ◽  
Shaohang Wu ◽  
Qinglong Wang ◽  
Xin Xiao ◽  
...  
Keyword(s):  
Water Splitting ◽  
Current Density ◽  
High Current Density ◽  
Low Cost ◽  
Water Electrolysis ◽  
Industrial Water ◽  
High Current ◽  
Overall Water Splitting

Efficient and low-cost sea coral-like NiCo2O4@(Ni, Co)OOH heterojunction catalysts meet the high current density requirements for industrial water electrolysis applications.

Fe‐Doped Ni 3 S 2 Nanowires with Surface‐Restricted Oxidation Toward High‐Current‐Density Overall Water Splitting

2019 ◽  
Vol 6 (17) ◽  
pp. 4550-4559 ◽  
Author(s):  
Xiangyu Wang ◽  
Wuzhengzhi Zhang ◽  
Junliang Zhang ◽  
Zhengcui Wu
Keyword(s):  
Water Splitting ◽  
Current Density ◽  
High Current Density ◽  
High Current ◽  
Overall Water Splitting

Tailoring the electronic structure by constructing the heterointerface of RuO2–NiO for overall water splitting with ultralow overpotential and extra-long lifetime

2020 ◽  
Vol 8 (36) ◽  
pp. 18945-18954
Author(s):  
Gengwei Zhang ◽  
Bin Wang ◽  
Lu Li ◽  
Sen Yang ◽  
Jiamei Liu ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Water Splitting ◽  
Current Density ◽  
Heating Method ◽  
Overall Water Splitting ◽  
Long Lifetime

RuO2–NiO/NF, obtained through a dip-heating method, achieved continuous electrolysis for 2000 h at an ultrahigh current density. The RuO2–NiO interface promoted H2O dissociation and modulated chemisorbed O-containing intermediates, improving HER and OER activity.

Uncovering the role of Ag in layer-alternating Ni3S2/Ag/Ni3S2 as an electrocatalyst with enhanced OER performance

2020 ◽  
Vol 7 (19) ◽  
pp. 3627-3635 ◽  
Author(s):  
Rui Guo ◽  
Yan He ◽  
Renchao Wang ◽  
Junhua You ◽  
Hongji Lin ◽  
...  
Keyword(s):  
Water Splitting ◽  
Current Density ◽  
High Current Density ◽  
High Current

It is increasingly important to develop an efficient OER catalyst that can provide high current density at low overpotentials to improve water splitting efficiency.

Preparation and Characterization of CMC-PVA/PVA-SA-MePc (COOH)8/CS-PVA Bipolar Membrane Using Electrospinning Technique

2013 ◽  
Vol 774-776 ◽  
pp. 795-798
Author(s):  
Ting Jin Zhou ◽  
Min Lu ◽  
Ri Yao Chen
Keyword(s):  
Polyvinyl Alcohol ◽  
Water Splitting ◽  
Current Density ◽  
Voltage Drop ◽  
High Current Density ◽  
High Current ◽  
Bipolar Membrane ◽  
Electrospinning Technique ◽  
Exchange Layer

Carboxymethyl cellulose (CMC)-polyvinyl alcohol (PVA) and chitosan (CS)-polyvinyl alcohol were cross-linked by Fe3+and glutaraldehyde respectively to prepare cation exchange layer and anion exchange layer, and polyvinyl alcohol-sodium alginate (SA)-metal octocarboxyphthalocyanine (MePc (COOH)8, a kind of water splitting catalyst, here, Me stands for Fe3+or Co2+) nanofibers were prepared by electrospinning technique and introduced into the interlayer to obtain the CMC-PVA/PVA-SA-MePc (COOH)8/CS-PVA bipolar membrane (BPM). The experimental results showed that compared with the BPM without the PVA-SA-MePc (COOH)8interlayer, the water splitting efficiency at the interlayer of the CMC-PVA/PVA-SA-MePc (COOH)8/ CS-PVA BPM was obviously increased, and its membrane impedance decreased. When the concentration of FePc (COOH)8in the PVA-SA-FePc (COOH)8nanofibers was 3.0%, the trans-membrane voltage drop (IRdrop) of the CMC-PVA/PVA-SA-FePc (COOH)8/CS-PVA BPM was as low as 0.6V at a high current density of 90 mA/cm2.

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