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1. Equilibrium and kinetically trapped aggregates in polyelectrolyte–oppositely charged surfactant mixtures

Author:
Guzmán, Eduardo; Fernández-Peña, Laura; Ortega, Francisco; Rubio, Ramón G.
Source:
Current opinion in colloid & interface science 2020 v.48 pp. 91-108
ISSN:
1359-0294
Subject:
electrolytes,   etc   ; physicochemical properties; surfactants;     Show all 3 Subjects
Abstract:
... The widespread of mixtures formed by polyelectrolytes and oppositely charged surfactants in different industrial sectors requires a thorough understanding of the physicochemical bases governing their interactions. These interactions lead to the formation of polyelectrolyte–surfactant aggregates, with the presence of such aggregates in the aqueous mixtures impacting decisively on their bulk and int ...
DOI:
10.1016/j.cocis.2020.04.002

2. A study of CNT fiber-reinforced multi-carbon resource-coated SiOx composite as anode materials

Author:
Li, Wenchao; Tang, Renheng; Yuan, Bin; Wang, Ying; Sun, Tai
Source:
Journal of materials science 2020 v.55 no.14 pp. 6005-6016
ISSN:
0022-2461
Subject:
electrolytes,   etc   ; anodes; carbon; pyrolysis;     Show all 4 Subjects
Abstract:
... To enhance the cycling and rate performances of SiO as an anode material, a CNT fiber-reinforced multi-carbon resource-coated SiOₓ composite (SiOₓ@MC/CNTs) prepared via a two-step pyrolysis process is evaluated. The SiOₓ@MC/CNTs composite exhibits a high initial coulombic efficiency of 74.6%, an initial charge capacity of 1400.5 mAh/g, and an initial discharge capacity of 1878.6 mAh/g. After 250 c ...
DOI:
10.1007/s10853-020-04421-z

3. Plasma Synthesis of Spherical Crystalline and Amorphous Electrolyte Nanopowders for Solid-State Batteries

Author:
Westover, Andrew S.; Kercher, Andrew K.; Kornbluth, Mordechai; Naguib, Michael; Palmer, Max J.; Cullen, David A.; Dudney, Nancy J.
Source:
ACS applied materials & interfaces 2020 v.12 no.10 pp. 11570-11578
ISSN:
1944-8252
Subject:
electrolytes,   etc   ; batteries; nanocrystals;     Show all 3 Subjects
Abstract:
... Here, we demonstrate the theory-guided plasma synthesis of high purity nanocrystalline Li₃.₅Si₀.₅P₀.₅O₄ and fully amorphous Li₂.₇Si₀.₇P₀.₃O₃.₁₇N₀.₂₂. The synthesis involves the injection of single or mixed phase precursors directly into a plasma torch. As the material exits the plasma torch, it is quenched into spherical nanocrystalline or amorphous nanopowders. This process has virtually zero Li ...
DOI:
10.1021/acsami.9b20812

4. Effect of Host Incompatibility and Polarity Contrast on Ion Transport in Ternary Polymer-Polymer-Salt Blend Electrolytes

Author:
Wheatle, Bill K.; Lynd, Nathaniel A.; Ganesan, Venkat
Source:
Macromolecules 2020 v.53 no.3 pp. 875-884
ISSN:
1520-5835
Subject:
electrolytes,   etc   ; molecular dynamics; polymers;     Show all 3 Subjects
Abstract:
... We study ternary polymer-polymer-salt blend electrolytes using coarse-grained molecular dynamics. We specifically examine the influence of the polymer hosts’ incompatibility and polarity contrast on electrolyte ion transport characteristics. We find that, at moderate- to high-polarity contrasts, improving the miscibility of the polymer hosts by reducing their inherent incompatibility improves ioni ...
DOI:
10.1021/acs.macromol.9b02510

5. Electrophoresis of spherical soft particles in electrolyte solutions: A review

Author:
Ashrafizadeh, Seyed Nezameddin; Seifollahi, Zahra; Ganjizade, Ardalan; Sadeghi, Arman
Source:
Electrophoresis 2020 v.41 no.1-2 pp. 81-103
ISSN:
0173-0835
Subject:
electrolytes,   etc   ; electrophoresis; electrostatic interactions;     Show all 3 Subjects
Abstract:
... Theories on the electrophoresis of spherical soft particles suspended in an electrolyte solution are thoroughly reviewed. The review predominantly covers studies on the electrophoresis in dilute and concentrated suspensions as well as bounded media, carried out mainly during the past two decades. Moreover, studies on the electrostatics of soft particles are also surveyed. Finally, the research gap ...
DOI:
10.1002/elps.201900236

6. An alkali metal thermoelectric converter hybridized with a Brayton heat engine: Parametric design strategies and energetic optimization

Author:
Peng, Wanli; Gonzalez-Ayala, Julian; Guo, Juncheng; Chen, Jincan; Hernández, Antonio Calvo
Source:
Journal of cleaner production 2020 v.260 pp. 120953
ISSN:
0959-6526
Subject:
electrolytes,   etc   ; energy conversion; heat; models;     Show all 4 Subjects
Abstract:
... A model for a novel integrating system consisting of an alkali metal thermoelectric converter and a non-recuperative irreversible Brayton heat engine is presented. The efficiency and power output density of the overall system is analyzed at light of the main characteristic losses in each subsystem: the thickness of the electrolyte, the current density of the converter, and the internal losses of t ...
DOI:
10.1016/j.jclepro.2020.120953

7. On the derivation of the Smoluchowski result of electrophoretic mobility

Author:
Klaseboer, Evert; Chan, Derek Y.C.
Source:
Journal of colloid and interface science 2020 v.568 pp. 176-184
ISSN:
0021-9797
Subject:
electrolytes,   etc   ; electrophoresis; hydrodynamics; particle size;     Show all 4 Subjects
Abstract:
... One of the most enduring, broadly applicable and widely used theoretical results of electrokinetic theory is the Smoluchowski expression for the electrophoretic mobility. It is a limiting form that holds for any solid particle of arbitrary shape in an electrolyte of any composition provided the thickness of the electrical double layer is “infinitely” thin compared to the particle size and the part ...
DOI:
10.1016/j.jcis.2020.02.032

8. Polyelectrolyte adsorption in single small nanochannel by layer-by-layer method

Author:
Li, Jun; Li, Dongqing
Source:
Journal of colloid and interface science 2020 v.561 pp. 1-10
ISSN:
0021-9797
Subject:
electrolytes,   etc   ; adsorption; coatings; electroosmosis; polydimethylsiloxane;     Show all 5 Subjects
Abstract:
... Nanochannel size control by using layer-by-layer (LBL) deposition of polyelectrolytes is experimentally studied in single hard Polydimethylsiloxane (PDMS) nanochannel. Electroosmotic flow (EOF) velocity is measured by using the current-slope method in the modified nanochannel with various numbers of the deposition layers. The results reveal that the growth of polyelectrolyte layer in nanochannels ...
DOI:
10.1016/j.jcis.2019.11.116

9. A review of the current trends in high-temperature electrocatalytic ammonia production using solid electrolytes

Author:
Gunduz, Seval; Deka, Dhruba J.; Ozkan, Umit S.
Source:
Journal of catalysis 2020 v.387 pp. 207-216
ISSN:
0021-9517
Subject:
electrolytes,   etc   ; ammonia; catalytic activity; electrochemistry; electrosynthesis; energy;     Show all 6 Subjects
Abstract:
... High-temperature solid-state electrochemical synthesis of ammonia is a promising route for clean, sustainable and on-demand small-scale production of ammonia with lower energy consumption compared to the conventional Haber-Bosch process. Despite of its significant potential, there are still many aspects of this process that remain unexplored. In this mini-review article, the literature on high-tem ...
DOI:
10.1016/j.jcat.2020.04.025

10. Review of cell performance in solid oxide fuel cells

Author:
Lyu, Yiming; Xie, Jintao; Wang, Dingbiao; Wang, Jiarao
Source:
Journal of materials science 2020 v.55 no.17 pp. 7184-7207
ISSN:
0022-2461
Subject:
electrolytes,   etc   ; electrochemistry; fuel cells; systematic review;     Show all 4 Subjects
Abstract:
... The solid oxide fuel cells (SOFCs) are promising electrochemical conversion devices and have been studied for several decades. While numerous achievements have been obtained in different types of electrolyte materials, respectively, systematic reviews based on cell performance have been notably rare. In this review, the overall research progress and highlights of the performance of solid oxide fue ...
DOI:
10.1007/s10853-020-04497-7

11. Structure of Polyelectrolyte Brushes on Polarizable Substrates

Author:
Yuan, Jiaxing; Antila, Hanne S.; Luijten, Erik
Source:
Macromolecules 2020 v.53 no.8 pp. 2983-2990
ISSN:
1520-5835
Subject:
electrolytes,   etc   ; electric field; polymers; salt concentration; solvents;     Show all 5 Subjects
Abstract:
... Understanding the structural response of polyelectrolyte brushes to variation in both intrinsic and external properties is highly relevant for their application as functionalized interfaces and components of nanodevices. Using coarse-grained simulations, we examine an aspect that is largely unexplored, namely the dielectric mismatch between the solvent and the substrate. We systematically study ho ...
DOI:
10.1021/acs.macromol.9b02749

12. Nonaqueous electrophoresis on microchips: A review

Author:
Duarte, Lucas M.; Moreira, Roger C.; Coltro, Wendell K. T.
Source:
Electrophoresis 2020 v.41 no.7-8 pp. 434-448
ISSN:
0173-0835
Subject:
electrolytes,   etc   ; electrophoresis; microchip technology; solubility; solvents;     Show all 5 Subjects
Abstract:
... The use of organic solvents as electrolytic medium in electrophoresis has become an important alternative for the analysis of compounds that exhibit low or no solubility in water. In recent years, nonaqueous electrophoresis has been extensively explored in conventional capillary systems for different applications. On the other hand, this separation strategy is still not as popular as free solution ...
DOI:
10.1002/elps.201900238

13. Porous V₂O₅ yolk–shell microspheres for zinc ion battery cathodes: activation responsible for enhanced capacity and rate performance

Author:
Li, Rui; Zhang, Huamin; Zheng, Qiong; Li, Xianfeng
Source:
Journal of materials chemistry A 2020 v.8 no.10 pp. 5186-5193
ISSN:
2050-7496
Subject:
electrolytes,   etc   ; batteries; cathodes; energy; microparticles; zinc;     Show all 6 Subjects
Abstract:
... Rechargeable aqueous zinc ion batteries have attracted significant attention for practical energy storage due to their low cost and high safety, however, it is still a hard task to find suitable cathode materials to meet the demand of both high capacity and rate performance. Here, we propose a high-performance anhydrous V₂O₅ yolk–shell cathode via a facile template-free solvothermal technique. Owi ...
DOI:
10.1039/c9ta11750d

14. Pressure effects on sulfide electrolytes for all solid-state batteries

Author:
Doux, Jean-Marie; Yang, Yangyuchen; Tan, Darren H. S.; Nguyen, Han; Wu, Erik A.; Wang, Xuefeng; Banerjee, Abhik; Meng, Ying Shirley
Source:
Journal of materials chemistry A 2020 v.8 no.10 pp. 5049-5055
ISSN:
2050-7496
Subject:
electrolytes,   etc   ; anodes; batteries; collectors; liquids; porosity;     Show all 6 Subjects
Abstract:
... All solid-state batteries are believed to be safer than their liquid counterparts owing to their use of nonflammable solid electrolytes. Nevertheless, unlike liquid electrolyte batteries, stack pressure is required during cycling to avoid contact losses between the electrodes and the solid electrolyte. Although recent studies have shown stack pressures to affect the capacity utilization of alloyin ...
DOI:
10.1039/c9ta12889a

15. Separator-free and concentrated LiNO₃ electrolyte cells enable uniform lithium electrodeposition

Author:
Rodriguez, Rodrigo; Edison, Ruth A.; Stephens, Ryan M.; Sun, Ho-Hyun; Heller, Adam; Mullins, C. Buddie
Source:
Journal of materials chemistry A 2020 v.8 no.7 pp. 3999-4006
ISSN:
2050-7496
Subject:
electrolytes,   etc   ; electrodes; electroplating; image analysis; lithium; polymers;     Show all 6 Subjects
Abstract:
... Imaging of lithium electrodepositions revealed that in the absence of a compressed porous separator, achieved via a plastic washer, dendrite-free lithium was deposited from glyme solutions of 1 M LiNO₃. When the 1 M LiNO₃ in glyme was coupled with a 1 M LiFSI salt, high coulombic efficiencies were also attainable in both Li|Cu and anode-free LFP|Cu cells. However, dendrite resurgence was observed ...
DOI:
10.1039/c9ta10929c

16. Solid electrolyte interface stabilization via surface oxygen species functionalization in hard carbon for superior performance sodium-ion batteries

Author:
Xie, Hanjie; Wu, Zhiliang; Wang, Zhenyu; Qin, Ning; Li, Yingzhi; Cao, Yulin; Lu, Zhouguang
Source:
Journal of materials chemistry A 2020 v.8 no.7 pp. 3606-3612
ISSN:
2050-7496
Subject:
electrolytes,   etc   ; anodes; batteries; carbon; moieties; oxygen;     Show all 6 Subjects
Abstract:
... Hard carbon is a promising anode material for sodium-ion batteries due to its low cost and high capacity. However, its practical application has been largely hindered by poor rate performance and long-term cycling degradation resulting from the continuous consumption of electrolyte and growth of a solid electrolyte interface (SEI). Here, we propose a facile oxygen plasma treatment strategy to modi ...
DOI:
10.1039/c9ta12429b

17. Electrophoretic classification based on differences in electrophoretic mobility caused by change in the applied electric field

Author:
Fukasawa, Tomonori; Ono, Kosei; Ishigami, Toru; Fukui, Kunihiro
Source:
Powder technology 2020 v.362 pp. 586-590
ISSN:
0032-5910
Subject:
electrolytes,   etc   ; electric field; electrophoresis; particle size;     Show all 4 Subjects
Abstract:
... We propose a novel electrophoretic wet classification method using the applied electric field strength as an operation parameter. The influence of the applied electric field, electrolyte concentration, and particle size on the electrophoretic mobility was directly evaluated by microscopic electrophoresis. For high electrolyte concentrations or small particles, the electrophoretic mobilities decrea ...
DOI:
10.1016/j.powtec.2019.12.027

18. Ultrahigh-rate lithium-ion batteries with 3D fungus-structured carbon/CuC₂O₄·xH₂O electrodes

Author:
Deng, Juntao; Wang, Lei; Deng, Jie; Fang, Yan; Lin, Yan; Hu, Yun Hang
Source:
Journal of materials chemistry A 2020 v.8 no.6 pp. 3397-3404
ISSN:
2050-7496
Subject:
electrolytes,   etc   ; anodes; carbon; lithium batteries; nanocrystals; recycling;     Show all 6 Subjects
Abstract:
... Herein, an excellent anode material, which comprised the 3D fungus-structured carbon (3DFC) and the CuC₂O₄·xH₂O nanocrystal, was demonstrated for lithium ion batteries (LIBs). The hierarchically porous carbon provided an ideal structure for rapid electron and ion transport and the unique redox properties of CuC₂O₄·xH₂O nanocrystals inhibited the formation of a solid electrolyte interphase, leading ...
DOI:
10.1039/c9ta10982j

19. Hydration Effects on the Permselectivity-Conductivity Trade-Off in Polymer Electrolytes

Author:
Russell, Sebastian T.; Pereira, Rhyz; Vardner, Jonathan T.; Jones, Gabrielle N.; Dimarco, Christopher; West, Alan C.; Kumar, Sanat K.
Source:
Macromolecules 2020 v.53 no.3 pp. 1014-1023
ISSN:
1520-5835
Subject:
electrolytes,   etc   ; electrochemistry; polystyrenes; separators; solvents; water content;     Show all 6 Subjects
Abstract:
... Polymer electrolytes, which are commonly used as separator materials in electrochemical devices, have ionic conductivity that is thought to be controlled by segmental mobility. Thus, any improvements made toward increasing ionic mobility come at the expense of mechanical integrity. However, selectively solvating the ionic domain, the region responsible for ion conduction, with water or polar organ ...
DOI:
10.1021/acs.macromol.9b02291

20. On the Mechanism of Shear-Thinning in Viscous Oppositely Charged Polyelectrolyte Surfactant Complexes (PESCs)

Author:
Del Sorbo, Giuseppe Rosario; Prévost, Sylvain; Schneck, Emanuel; Gradzielski, Michael; Hoffmann, Ingo
Source:
TheJournal of physical chemistry 2020 v.124 no.5 pp. 909-913
ISSN:
1520-5207
Subject:
electrolytes,   etc   ; anionic surfactants; crosslinking; sodium dodecyl sulfate;     Show all 4 Subjects
Abstract:
... Semidilute mixtures of the cationically modified cellulose-based polyelectrolyte JR 400 and the anionic surfactant sodium dodecyl sulfate (SDS) form highly viscous solutions if a slight excess of charges from the polyelectrolyte is present. The reason for this is the formation of mixed rodlike aggregates in which the surfactant cross-links several polyelectrolyte chains. The same solutions also sh ...
DOI:
10.1021/acs.jpcb.9b10467