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1. Optimal energy management of multiple electricity-hydrogen integrated charging stations

Author:
Xiaolun Fang; Yubin Wang; Wei Dong; Qiang Yang; Siyang Sun
Source:
Energy 2023 v.262 pp. 125624
ISSN:
0360-5442
Subject:
energy; financial economics; hydrogen; hydrogen fuels; management systems; transportation
Abstract:
... Hydrogen is considered promising for the replacement of fossil fuels in integrated energy systems through hydrogen energy storage (HES). This paper considers multiple electricity-hydrogen integrated charging stations (EHI-CSs) as a unit consisting of photovoltaic systems and HES systems for charging plug-in electric vehicles and refilling hydrogen fuel vehicles. In the multiple EHI-CSs unit, a set ...
DOI:
10.1016/j.energy.2022.125624

2. Work function mediated interface charge kinetics for boosting photocatalytic water sterilization

Author:
Zhaoli Liu; Wenzhe Gao; Lizhi Liu; Shijia Luo; Cui Zhang; Tianli Yue; Jing Sun; MingQiang Zhu; Jianlong Wang
Source:
Journal of hazardous materials 2023 v.442 pp. 130036
ISSN:
0304-3894
Subject:
X-ray photoelectron spectroscopy; density functional theory; disinfection; electric field; irradiation; photocatalysis; reactive oxygen species; solar energy
Abstract:
... Photocatalytic sterilization is an eco-friendly strategy to utilize solar energy for treating water contaminated with resistant bacteria. Here, we propose interface engineering to induce an internal electric field (IEF) in leaf-like Ti₃C₂Tx/TiO₂ based on the work function (Φ) theory, which enhances photocatalytic sterilization performance by steering interface charge kinetics. Density functional t ...
DOI:
10.1016/j.jhazmat.2022.130036

3. Amorphous photonic structure in a charged colloidal system showing angle-independent uniform color

Author:
Toshimitsu Kanai; Sato Nakagawa; Hikaru Takeshima; Yuna Hirano
Source:
Journal of colloid and interface science 2023 v.629 pp. 225-232
ISSN:
0021-9797
Subject:
color; ethanol; hydrogels; photons; wavelengths
Abstract:
... Structural colors derived from the scattering or reflection of light by submicron-sized ordered structures are interesting due to their non-fading and tunable colors. Herein we show a colored angle-independent amorphous phase of monodisperse colloids between the crystalline and random phases in a charged colloidal system. The amorphous photonic structures with low packing density display uniform c ...
DOI:
10.1016/j.jcis.2022.08.162

4. Acute toxicity of nanoplastics on Daphnia and Gammarus neonates: Effects of surface charge, heteroaggregation, and water properties

Author:
Zijiao Meng; Rémi Recoura-Massaquant; Arnaud Chaumot; Serge Stoll; Wei Liu
Source:
Science of the total environment 2023 v.854 pp. 158763
ISSN:
0048-9697
Subject:
Daphnia magna; Gammarus fossarum; acute toxicity; aggregation behavior; benthic organisms; dose response; environment; lakes; mineral water; nanoplastics; neonates; pH; plankton; polystyrenes; principal component analysis; risk assessment
Abstract:
... Despite progress in evaluation of risk assessment, knowledge gaps largely exist understanding the toxicity of nanoplastics in aquatic systems considering nanoplastics surface properties, environmental media characteristics and species ecological traits. In this study, amidine - functionalized polystyrene nanoparticles (PS-NPLs) of 20, 40, 60 and 100 nm are considered using Geneva lake water and mi ...
DOI:
10.1016/j.scitotenv.2022.158763

5. Mechanistic insight into the charge carrier separation and molecular oxygen activation of manganese doping BiOBr hollow microspheres

Author:
Zuming He; Hasan Fareed; Hanpei Yang; Yongmei Xia; Jiangbin Su; Lina Wang; Li Kang; Mi Wu; Zhengyi Huang
Source:
Journal of colloid and interface science 2023 v.629 pp. 355-367
ISSN:
0021-9797
Subject:
gentian violet; manganese; microparticles; oxygen; photocatalysis; photocatalysts
Abstract:
... High-efficiency separation of photogenerated charges and molecular oxygen activation is very important for photocatalytic removal of organic pollutants. However, the current understanding of the effect mechanism of metal substitution for the separation of photo-generated charges and molecular oxygen activation is still poor. Herein, efficient manganese (Mn)-doped BiOBr hollow microspheres synthesi ...
DOI:
10.1016/j.jcis.2022.08.164

6. A novel g-C3N4/g-C3N4−x homojunction with efficient interfacial charge transfer for photocatalytic degradation of atrazine and tetracycline

Author:
Chengyang Feng; Xilian Ouyang; Yaocheng Deng; Jiajia Wang; Lin Tang
Source:
Journal of hazardous materials 2023 v.441 pp. 129845
ISSN:
0304-3894
Subject:
absorption; atrazine; electric field; energy conversion; industry; irradiation; light; photocatalysis; photocatalysts; pollutants; solar radiation; tetracycline; water pollution
Abstract:
... The abuse of pesticides and antibiotics and their harm to the environment are the disadvantages of modern agriculture and breeding industry. g-C₃N₄ has shown great potential in photocatalytic water pollution purification under visible light irradiation, however, the conventional g-C₃N₄ suffers from the disadvantage of limited optical absorption and serious charge recombination, resulting in ineffi ...
DOI:
10.1016/j.jhazmat.2022.129845

7. Enhancing the spatial separation of photogenerated charges on Fe-based MOFs via structural regulation for highly-efficient photocatalytic Cr(VI) reduction

Author:
Hao Zhang; Yu-Hui Luo; Feng-Yu Chen; Wu-Yue Geng; Xin-Xin Lu; Dong-En Zhang
Source:
Journal of hazardous materials 2023 v.441 pp. 129875
ISSN:
0304-3894
Subject:
absorption; adsorption; irradiation; ligands; light; photocatalysis
Abstract:
... Although iron-based metal-organic frameworks (Fe-MOFs) have displayed the photocatalytic activity, there is still abundant room for improving their photocatalytic performance through tuning the structures. In this work, four novel iron-based metal-organic frameworks (Fe-MOFs) were successfully synthesized via ligand modulation for better photocatalytic Cr(VI) reduction, in which MTBDC-TPT-Fe had t ...
DOI:
10.1016/j.jhazmat.2022.129875

8. A temporal–spatial charging coordination scheme incorporating probability of EV charging availability

Author:
Zhikang Li; Chengbin Ma
Source:
Applied energy 2022 v.325 pp. 119838
ISSN:
0306-2619
Subject:
batteries; electric vehicles; energy
Abstract:
... The charging coordination of electric vehicle (EV) fleets in both temporal domain and spatial domain has attracted growing attention in recent years. Meanwhile, the uncertainties in EV arrival time and total available charging power from charging stations make the coordination problem highly dynamic and challenging. This paper develops a new temporal–spatial EV charging coordination scheme that jo ...
DOI:
10.1016/j.apenergy.2022.119838

9. Automatic control and dispatching of charging currents to a charging station for power-assisted bikes

Author:
Willy Magloire Nkounga; Mouhamadou Falilou Ndiaye; Oumar Cisse; Françoise Grandvaux; Laurent Tabourot; Mamadou Lamine Ndiaye
Source:
Energy 2022 v.246 pp. 123415
ISSN:
0360-5442
Subject:
automation; batteries; case studies; comparative study; energy; fuzzy logic; neural networks; solar energy; France
Abstract:
... This work deals with the automatic dispatching of the charging currents in a charging station for power-assisted bikes (ebike). The decision variables such as arduousness index and urgency are determined. The arduousness index is carried out from the GPS ride data. Urgency is calculated using the parking time and ebike batteries state of charge. They are used to determine ebike's charging prioriti ...
DOI:
10.1016/j.energy.2022.123415

10. Modulating surface charges of bismuth tantalum oxychloride nanoplates for promoting photogenerated charge separation

Author:
Abraham Adenle; Ming Shi; Wenchao Jiang; Bin Zeng; Can Li; Rengui Li
Source:
Journal of materials chemistry A 2022 v.10 no.27 pp. 14293-14299
ISSN:
2050-7496
Subject:
anisotropy; bismuth; hydrogen production; nanocatalysts; oxygen production; pH; photocatalysis; photocatalysts; semiconductors; synergism; tantalum
Abstract:
... Modulation of anisotropic facets and surface charge properties of semiconductor photocatalysts play significant roles in accelerating the photogenerated charge separation in heterogeneous photocatalysis. Herein, taking Bi₄TaO₈Cl (BTOC) as an exemplar, we demonstrated that the distribution of photogenerated electrons and holes on BTOC can be rationally modulated through surface pretreatment under d ...
DOI:
10.1039/d2ta03720c

11. Enhancing the Charging Performance of Lithium-Ion Batteries by Reducing SEI and Charge Transfer Resistances

Author:
Zongjian Li; Jing Liu; Yunan Qin; Tao Gao
Source:
ACS applied materials & interfaces 2022 v.14 no.29 pp. 33004-33012
ISSN:
1944-8252
Subject:
carbonates; electrochemistry; electrolytes; gelation; spectral analysis
Abstract:
... To enable the mass adoption of electric vehicles, the charging performance of Li-ion batteries needs to be significantly enhanced. The development of electrolytes with enhanced transport properties and faster interfacial reaction is one critical approach to realize fast charging within 10 min. Most current electrolyte studies are focusing on ester-based electrolytes. In this work, an ether-based e ...
DOI:
10.1021/acsami.2c04319

12. Charge Localization in Defective BiVO₄

Author:
Nicklas Österbacka; Francesco Ambrosio; Julia Wiktor
Source:
Journal of physical chemistry 2022 v.126 no.6 pp. 2960-2970
ISSN:
1932-7455
Subject:
bismuth; density functional theory; dimerization; oxygen; physical chemistry
Abstract:
... We study the native defects in bismuth vanadate using hybrid density functional theory. We pay special attention to where excess charges localize by considering different polaronic distortions and find that charge localization has a profound effect on the local chemical environment around certain defects. In particular, oxygen dimerization may occur in the presence of acceptor defects. On the basi ...
DOI:
10.1021/acs.jpcc.1c09990

13. An activity-based travel and charging behavior model for simulating battery electric vehicle charging demand

Author:
Yuechen Sophia Liu; Mohammad Tayarani; H. Oliver Gao
Source:
Energy 2022 v.258 pp. 124938
ISSN:
0360-5442
Subject:
case studies; electric vehicles; electricity; energy; markets; metropolitan areas; prediction; simulation models; travel
Abstract:
... The expansion of the battery electric vehicle (BEV) market requires considerable changes in the supply of electricity to fulfill the charging demand. To this end, understanding the spatio-temporal distribution of BEV charging demand at a micro level is crucial for optimal electric vehicle supply equipment (EVSE) planning and electricity load management. This research proposes an integrated activit ...
DOI:
10.1016/j.energy.2022.124938

14. Dielectric Properties of Water in Charged Nanopores

Author:
Thomas R. Underwood; Ian C. Bourg
Source:
Journal of physical chemistry 2022 v.126 no.14 pp. 2688-2698
ISSN:
1520-5207
Subject:
anisotropy; clay; liquids; molecular dynamics; nanopores; soil; solvents
Abstract:
... In this study, we examine the spectral dielectric properties of liquid water in charged nanopores over a wide range of frequencies (0.3 GHz to 30 THz) and pore widths (0.3 to 5 nm). This has been achieved using classical molecular dynamics simulations of hydrated Na-smectite, the prototypical swelling clay mineral. We observe a drastic (20-fold) and anisotropic decrease in the static relative perm ...
DOI:
10.1021/acs.jpcb.1c09688

15. Tuning the Charge of Sliding Water Drops

Author:
William S. Y. Wong; Pravash Bista; Xiaomei Li; Lothar Veith; Azadeh Sharifi-Aghili; Stefan A. L. Weber; Hans-Jürgen Butt
Source:
Langmuir 2022 v.38 no.19 pp. 6224-6230
ISSN:
1520-5827
Subject:
glass; liquids; perfluorocarbons; silanes
Abstract:
... When a water drop slides over a hydrophobic surface, it usually acquires a positive charge and deposits the negative countercharge on the surface. Although the electrification of solid surfaces induced after contact with a liquid is intensively studied, the actual mechanisms of charge separation, so-termed slide electrification, are still unclear. Here, slide electrification is studied by measurin ...
DOI:
10.1021/acs.langmuir.2c00941

16. Deep learning enabled state-of-charge estimation of LiFePO4 batteries: A systematic validation on state-of-the-art charging protocols

Author:
Chunsheng Hu; Liang Ma; Shanshan Guo; Gangsheng Guo; Zhiqiang Han
Source:
Energy 2022 v.246 pp. 123404
ISSN:
0360-5442
Subject:
batteries; data collection; electric potential difference; open range
Abstract:
... LiFePO₄ batteries generally face a challenge of inaccurate state of charge (SoC) estimation due to the plateaus existing in the middle range of the open circuit voltage (OCV)-SoC curve. Generally, conventional SoC estimation methods are not capable of accurately estimating the SoC in this range. In this paper, a deep neural network (DNN) is constructed to estimate the SoC in the charging process. ...
DOI:
10.1016/j.energy.2022.123404

17. Simultaneous charging station location-routing problem for electric vehicles: Effect of nonlinear partial charging and battery degradation

Author:
Fang Guo; Jingjing Zhang; Zhihong Huang; Weilai Huang
Source:
Energy 2022 v.250 pp. 123724
ISSN:
0360-5442
Subject:
algorithms; batteries; energy; models
Abstract:
... Recently, electric vehicles (EVs) have gained attention in the field of logistics owing to the strong support received from the government and continuous increase in social environmental awareness. Compared to traditional logistics vehicles, EVs incur additional charging costs, such as charging time and battery wear costs. In this study, the routing problem of EVs is formulated as an integer progr ...
DOI:
10.1016/j.energy.2022.123724

18. Unveiling the π-Chain Effect on Charge Transfer and Charge Recombination Among Donor−π–Acceptor Material Systems

Author:
Sirui Yang; Chen Cao; Jiayu Li; Ziqi Deng; Shaofei Ni; Jing-Xin Jian; Qing-Xiao Tong; Li Dang; Ming-De Li
Source:
Journal of physical chemistry 2022 v.126 no.2 pp. 1076-1084
ISSN:
1932-7455
Subject:
fluorescence; methylene chloride; physical chemistry
Abstract:
... Charge transfer plays an important role in photophysical and photochemical reactions. However, the factors affecting the excited charge-transfer state are unclear. Here, two donor−π–acceptor dyads with an excellent blue fluorescence quantum yield are designed by integrating 1,2-diphenylphenanthroimidazole (PPI) as an electron donor and 1,2,4-triazolopyridine (TP) as an electron acceptor through ph ...
DOI:
10.1021/acs.jpcc.1c09884

19. Long-Range Charge Delocalization Mediates the Ultrafast Ligand-to-Metal Charge Transfer Dynamics at the Cu²⁺-Active Site in Azurin

Author:
Soumyajit Mitra; Sri Rama Koti Ainavarapu; Jyotishman Dasgupta
Source:
Journal of physical chemistry 2022 v.126 no.29 pp. 5390-5399
ISSN:
1520-5207
Subject:
Raman spectroscopy; absorption; active sites; cations; color; energy conversion; metalloproteins; photochemistry; scaffolding proteins
Abstract:
... The blue color in metalloprotein azurin has traditionally been attributed to the intense cysteine-to-Cu²⁺ ligand-to-metal charge transfer transition centered at 628 nm. Although resonance Raman measurements of the Cu²⁺ active site have implied that the LMCT transition electronically couples to the protein scaffold well beyond its primary metal–ligand coordination shell, the structural extent of th ...
DOI:
10.1021/acs.jpcb.2c01427

20. Molecular Dynamics Study of the Thermodynamics of Integer Charge Transfer vs Charge-Transfer Complex Formation in Doped Conjugated Polymers

Author:
Eric Chih-Kuan Wu; Charlene Z. Salamat; Sarah H. Tolbert; Benjamin J. Schwartz
Source:
ACS applied materials & interfaces 2022 v.14 no.23 pp. 26988-27001
ISSN:
1944-8252
Subject:
Gibbs free energy; annealing; guidelines; molecular dynamics; polymers
Abstract:
... Molecular dopants such as 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F₄TCNQ) can interact with conjugated polymers such as poly(3-hexylthiophene-2,5-diyl) (P3HT) in two different ways: they can undergo integer charge transfer (ICT) or they can form a partial-charge-transfer complex (CTC). Both are seen experimentally, but the CTC has been challenging to characterize, making it difficult ...
DOI:
10.1021/acsami.2c06449