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You searched for: haijun Remove constraint haijun Subject term durability Remove constraint Subject term: durability
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1. A novel dual-tasking hollow cube NiFe2O4-NiCo-LDH@rGO hierarchical material for high preformance supercapacitor and glucose sensor

Author:
Haijun Pang,   et al.   ; Dawei Chu; Fengbo Li; Xiumei Song; Huiyuan Ma; Lichao Tan; Xinming Wang; Dongxuan Guo; Boxin Xiao;     Show all 9 Authors
Source:
Journal of colloid and interface science 2020 v.568 pp. 130-138
ISSN:
0021-9797
Subject:
capacitance; cobalt; detection limit; durability; electrical conductivity; electrochemical capacitors; electrodes; electrolytes; energy density; ferrimagnetic materials; glucose; graphene; graphene oxide; hot water treatment; iron; nanowires; nickel; oxidation; permeability; pyrolysis; sensors (equipment); signal-to-noise ratio; surface area
Abstract:
... Binary transition metal oxides as electroactive materials have continuously aroused grumous attention due to their high theoretical specific capacitance, high valtage window, and multiple oxidation states. However, the tiny specific surface area, poor conductivity and unsatisfactory cycle stability limit their practical application. Hence, a synthetic strategy is designed to fabricate a dual-taski ...
DOI:
10.1016/j.jcis.2020.02.012

2. Co/FeC core–nitrogen doped hollow carbon shell structure with tunable shell-thickness for oxygen evolution reaction

Author:
Haijun Lu,   et al.   ; Qi Zhang; Mingxuan Fu; Guyang Ning; Yuena Sun; Haiyang Wang; Xinyu Fan; Yufan Zhang; Huan Wang;     Show all 9 Authors
Source:
Journal of colloid and interface science 2020 v.580 pp. 794-802
ISSN:
0021-9797
Subject:
carbon; catalysts; catalytic activity; cobalt; composite materials; coordination polymers; durability; electrochemistry; iron; nitrogen; oxygen production
Abstract:
... Herein, multi-core-shell structure Co/FeC@N-doped hollow carbon (Co/FeC@NHC) with tunable carbon shell thickness is well crafted by a novel and simple strategy. Novel core-shell structure consisting of polydopamine (PDA) shell with different thickness and bimetal-based metal–organic frameworks (MOFs) Co/Fe core with cubic morphology are first prepared, followed by a thermal and etching treatments ...
DOI:
10.1016/j.jcis.2020.07.031

3. Effects and mechanisms of waste gypsum influencing the mechanical properties and durability of magnesium oxychloride cement

Author:
Haijun Zhou,   et al.   ; Cong Ma; Gege Chen; Lei Cao; Weixin Ren;     Show all 5 Authors
Source:
Journal of cleaner production 2022 v.339 pp. 130679
ISSN:
0959-6526
Subject:
air; cement; compression strength; durability; flue gas desulfurization; magnesium; magnesium chloride; magnesium oxide; microstructure; phosphogypsum; politics; porosity; China
Abstract:
... Magnesium oxychloride cement (MOC) prepared by using magnesium chloride and light calcined magnesia has been widely used as decorative materials, refractory materials and adsorbing materials. But its poor water resistance restricts the application in construction and building. More importantly, the disposition of abundant waste gypsums is becoming a social issue, even a political issue in China. T ...
DOI:
10.1016/j.jclepro.2022.130679

4. Effects of instream restoration measures on the physical habitats and benthic macroinvertebrates in an agricultural headwater stream

Author:
Haijun Yang,   et al.   ; Kun Li; Zhenxing Zhang; Hongfeng Bian; Haibo Jiang; Lianxi Sheng; Chunguang He;     Show all 7 Authors
Source:
Ecological engineering 2018 v.122 pp. 252-262
ISSN:
0925-8574
Subject:
durability; habitats; macroinvertebrates; streams; wetlands
Abstract:
... The effectiveness of instream restoration measures in improving habitats has been extensively examined; however, the evidence is inadequate to infer that these measures have positive effects on benthic macroinvertebrates. In this study, we compared the effects of the instream wetland (IW), groin (GR), artificial drop (AD) and boulder placement (BP) measures on the physical habitat and benthic macr ...
DOI:
10.1016/j.ecoleng.2018.08.007

5. Evaluation on soil bioengineering measures in agricultural areas: Poorer durability of wooden structures and better aboveground habitat improvements

Author:
Haijun Yang,   et al.   ; Zhenxing Zhang; Lina Cao; Ziyu Zhu; Chunguang He; Hongyong Xiang; Liang Xu; Caiyun Sun; Chenlu Lin; Kun Li;     Show all 10 Authors
Source:
Ecological engineering 2019 v.129 pp. 1-10
ISSN:
0925-8574
Subject:
agricultural land; amphibians; bioengineering; durability; ecological restoration; habitats; indigenous species; plant height; riparian areas; roots; soil; soil conservation; survival rate
Abstract:
... Although soil bioengineering is increasingly used worldwide, the measures being used today are still based on an empirical approach. Most of the existing literature has primarily focused on mechanical soil reinforcement provided by plant roots and the search for available indigenous plant species, whereas wooden structures and aboveground habitat improvements have been poorly addressed in the lite ...
DOI:
10.1016/j.ecoleng.2019.01.004

6. Facile Dual-Ligand Modulation Tactic toward Nickel–Cobalt Sulfides/Phosphides/Selenides as Supercapacitor Electrodes with Long-Term Durability and Electrochemical Activity

Author:
Haijun Pang,   et al.   ; Dongxuan Guo; Yan Zhang; Weifeng Sun; Dawei Chu; Bonan Li; Lichao Tan; Huiyuan Ma; Xinming Wang; Lulu Zhang;     Show all 10 Authors
Source:
ACS applied materials & interfaces 2019 v.11 no.44 pp. 41580-41587
ISSN:
1944-8252
Subject:
cost effectiveness; density functional theory; durability; electrochemistry; electrodes; electrolytes; electrons; energy; ligands; nickel; phosphides; selenides; selenium; sulfides
Abstract:
... The use of high electrochemical active binary nickel–cobalt sulfides/phosphides/selenides (Ni–Co–X, X = S, P, Se) as electrochemical energy storage materials still has a space for improvement because they become electrochemically unstable during long-term use. Herein, a facile and cost-effective dual-ligand synergistic modulation tactic is described to substantially improve the durability of Ni–Co ...
DOI:
10.1021/acsami.9b11894

7. Investigation of the hydrothermal aging of an Mn-based mullite SmMn₂O₅ catalyst of NO oxidation

Author:
Haijun Chen,   et al.   ; Lina Xue; Ka Xiong; Kyeongjae Cho; Weichao Wang;     Show all 5 Authors
Source:
RSC advances 2017 v.7 no.77 pp. 49091-49096
ISSN:
2046-2069
Subject:
Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; active sites; air; catalysts; catalytic activity; desorption; durability; furnaces; hot water treatment; manganese; manganese oxides; nitric oxide; nitrogen dioxide; oxidation; scanning electron microscopes; scanning electron microscopy; streams; surface area; temperature; transmission electron microscopy
Abstract:
... Hydrothermal aging tests are important to carry out when evaluating the hydrothermal durability of heterogeneous catalysts in vehicle exhaust emission. Here, we explored the effect of aging on an efficient Mn-based mullite catalyst (SmMn₂O₅) of NO oxidation. The mullite catalyst was prepared via the hydrothermal method and was subsequently aged in air with a 10% H₂O stream at 750 °C for 16 hours. ...
DOI:
10.1039/c7ra09306c

8. Kust-I: a high-performance two-dimensional graphene-based material for seawater desalination

Author:
Haijun Wu,   et al.   ; Xiaohua Yu; Jincheng Hou; Ju Rong; Xiao Wang; Kui Xu; Jing Feng;     Show all 7 Authors
Source:
Journal of materials chemistry A 2021 v.9 no.37 pp. 21158-21166
ISSN:
2050-7496
Subject:
adsorption; density functional theory; desalination; durability; freshwater; graphene; molecular dynamics; nanopores; porosity; seawater
Abstract:
... Global freshwater shortage has become one of the essential issues and many countries are suffering increasing pressure on their environment. Recently, a large-area graphene nanomesh with microsize pores of 0.45–0.55 nm has been found to achieve a nearly 100% desalination efficacy; however, the development of nanoporous structures with excellent cycling, mechanical and electrical properties remains ...
DOI:
10.1039/d1ta05322a

9. Open hollow Co–Pt clusters embedded in carbon nanoflake arrays for highly efficient alkaline water splitting

Author:
Haijun Wu,   et al.   ; Hong Zhang; Yanyu Liu; Wei Zhou; Zongkui Kou; Stephen John Pennycook; Jianping Xie; Cao Guan; John Wang;     Show all 9 Authors
Source:
Journal of materials chemistry 2018 v.6 no.41 pp. 20214-20223
ISSN:
2050-7496
Subject:
alkalinity; carbon; density functional theory; dissociation; durability; electric potential difference; electrochemistry; electrodes; energy conversion; hydrogen; hydrogen production; nanoparticles; oxygen production; porous media; water
Abstract:
... Water splitting provides a clean and renewable way to produce high-purity hydrogen; the current bottlenecks of which are the slow kinetics and poor stability of the available electrocatalysts. Herein, we report a class of open hollow Co–Pt bimetallic nanoclusters embedded in mesoporous N-doped carbon nanoflake arrays grown on flexible carbon cloth (Co–Pt/C NAs, 2.5 wt% Pt), which demonstrate outst ...
DOI:
10.1039/c8ta07101b

10. Simultaneously achieving fast sulfur redox kinetics and high-loading in lithium–sulfur batteries

Author:
Haijun Zhang,   et al.   ; Zhaoming Tong; Liang Huang; Junyan Guo; Yu Gao; Quanli Jia; Dan Luo; Wen Lei; Shaowei Zhang;     Show all 9 Authors
Source:
Carbon 2022 v.187 pp. 451-461
ISSN:
0008-6223
Subject:
carbon; cathodes; durability; electrochemistry; electrolytes; lithium; sulfur
Abstract:
... For lithium-sulfur batteries (LSBs), searching for highly efficient host that allows for high sulfur loading and excellent lithium polysulfides (LiPSs) trapping capability is extremely important. Herein, a systematical study with regard to both experimental and theoretical of N/S heteroatoms co-doped polar surface (denoted as NSHC) is conducted to demonstrate the significance of rational structure ...
DOI:
10.1016/j.carbon.2021.11.031

11. Ultralight ethyl cellulose-based electret fiber membrane for low-resistance and high-efficient capture of PM2.5

Author:
Haijun Wang,   et al.   ; Chunxia Pang; Xiaoyan Lin;     Show all 3 Authors
Source:
Colloids and surfaces 2021 v.630 pp. 127643
ISSN:
0927-7757
Subject:
air; durability; ethyl cellulose; human health; nanofibers; particulates; pollution; polystyrenes; porosity
Abstract:
... Atmospheric particulate matter (PM) pollution is a serious threat to human health, so the preparation of electret films with high efficiency and low resistance capturing particulate has attracted wide attention. Herein, a strategy for the fabrication of all-polymer hybrid electret fiber membranes by electrospinning is reported based on the ethyl cellulose (EC) and polystyrene (PS). The preparation ...
DOI:
10.1016/j.colsurfa.2021.127643

12. Ultrathin 2D Ti3C2Tx MXene membrane for effective separation of oil-in-water emulsions in acidic, alkaline, and salty environment

Author:
Haijun Zhang,   et al.   ; Zhanhui Wang; Yongqian Shen; Peng Mu; Qingtao Wang; Jian Li;     Show all 6 Authors
Source:
Journal of colloid and interface science 2020 v.561 pp. 861-869
ISSN:
0021-9797
Subject:
adsorption; carbides; contact angle; droplets; durability; emulsions; filtration; hydrophilicity; nanosheets; oils; permeability; thermoplastics
Abstract:
... Layered Ti₃C₂Tₓ MXene is a two-dimensional (2D) metal carbide based material with high adsorption capacity and hydrophilicity, which is beneficial for oil/water separation. Herein, the Ti₃C₂Tₓ (T represents O, OH, and/or F) MXene membrane was obtained by depositing Ti₃C₂Tₓ MXene 2D nanosheets carbides onto porous polyvinylidene fluoride (PVDF) membranes by vacuum filtration. The as-prepared Ti₃C₂T ...
DOI:
10.1016/j.jcis.2019.11.069

13. Ultrathin δ-MnO₂ nanoflakes with Na⁺ intercalation as a high-capacity cathode for aqueous zinc-ion batteries

Author:
Haijun Peng,   et al.   ; Huiqing Fan; Chenhui Yang; Yapeng Tian; Chao Wang; Jianan Sui;     Show all 6 Authors
Source:
RSC advances 2020 v.10 no.30 pp. 17702-17712
ISSN:
2046-2069
Subject:
cathodes; durability; electrochemistry; energy; energy density; microstructure; reaction kinetics
Abstract:
... Pristine δ-MnO₂ as the typical cathode for rechargeable zinc-ion batteries (ZIBs) suffers from sluggish reaction kinetics, which is the key issue to prepare high-performance manganese-based materials. In this work, Na⁺ incorporated into layered δ-MnO₂ (NMO) was prepared for ZIB cathodes with high capacity, high energy density, and excellent durable stability. By an effective fabricated strategy of ...
DOI:
10.1039/d0ra02556a