Cation−π-Anion Interaction in Alkali Ion−Benzene−Halogen Ion Clusters†

2009 ◽  
Vol 113 (52) ◽  
pp. 14741-14748 ◽  
Author(s):  
Margarita Albertí ◽  
Antonio Aguilar ◽  
Fernando Pirani
Keyword(s):  
Ion Clusters ◽  
Anion Interaction ◽  
Alkali Ion

ION CLUSTERS IN THE POSITIVE COLUMN OF He-Co AND Ar-Co DISCHARGES

1979 ◽  
Vol 40 (C7) ◽  
pp. C7-31-C7-32
Author(s):  
Y. Kaufman ◽  
P. Avivi ◽  
F. Dothan
Keyword(s):  
Positive Column ◽  
Ion Clusters

Anion effect on alkali ion-crown complex formation in a moderately concentrated solutions: A sensitive probe of hidden interionic interactions operating in dissociating protic solvents

1990 ◽  
Vol 55 (5) ◽  
pp. 1149-1161
Author(s):  
Jiří Závada ◽  
Václav Pechanec ◽  
Oldřich Kocián
Keyword(s):  
Hydrogen Bond ◽  
Complex Formation ◽  
Charge Density ◽  
Macrocyclic Ligand ◽  
Simple Explanation ◽  
Anion Effect ◽  
Protic Solvents ◽  
The Individual ◽  
Alkali Salts ◽  
Alkali Ion

A powerful anion effect destabilizing alkali ion-crown complex formation has been found to operate in moderately concentrated protic (H2O, CH3OH, C2H5OH) solution, following the order HO- > AcO- > Cl- > Br- > NO3- > I- > NCS-. Evidence is provided that the observed effect does not originate from ion-pairing. A simple explanation is provided in terms of concordant hydrogen bond bridges of exalted stability between the gegenions, M+···OR-H···(OR-H)n···OR-H···A-. It is proposed that encapsulation of alkali ion by the macrocyclic ligand leads to a dissipation of the cation charge density destroying its ability to participate in the hydrogen bond bridge. An opposition against the alkali ion-crown complex formation arises accordingly in the solution in dependence on strength of the hydrogen bridge; for a given cation, the hydrogen bond strength increases with increasing anion charge density from NCS- to HO-(RO-). It is pointed out, at the same time, that the observed anion effect does not correlate with the known values of activity coefficients of the individual alkali salts which are almost insensitive to anion variation under the investigated conditions. As a resolution of the apparent paradoxon it is proposed that, in absence of the macrocyclic ligand, the stabilizing (concordant) bonding between the gegenions is nearly balanced by a destabilizing (discordant) hydrogen bonding between the ions of same charge (co-ions). Intrinsic differences among the individual salts are thus submerged in protic solvents and become apparent only when the concordant bonding is suppressed in the alkali ion-crown complex formation.

On the Electrochemical Phase Evolution of Anti-PbO-Type CoSe in Alkali Ion Batteries

2021 ◽  
Author(s):  
Conrad H. R. Gillard ◽  
Xiuquan Zhou ◽  
Maxim Avdeev ◽  
Efrain E. Rodriguez ◽  
Neeraj Sharma
Keyword(s):  
Phase Evolution ◽  
Alkali Ion

Cellulose Preferentially Dissolved over Xylan in Ionic Liquids through Precise Anion Interaction Regulated by Bulky Cations

2021 ◽  
Author(s):  
Riki Kadokawa ◽  
Takatsugu Endo ◽  
Yoshiro Yasaka ◽  
Kazuaki Ninomiya ◽  
Kenji Takahashi ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Anion Interaction

The phase evolution of tetradymite-type bismuth selenide in alkali ion batteries

2021 ◽  
pp. 122241
Author(s):  
Conrad Gillard ◽  
Kathleen Djohari ◽  
Partha Pratim Jana ◽  
Maxim Avdeev ◽  
Neeraj Sharma
Keyword(s):  
Phase Evolution ◽  
Bismuth Selenide ◽  
Alkali Ion

scholarly journals Hydrated Sodium Ion Clusters [Na+(H2O)n (n = 1–6)]: An ab initio Study on Structures and Non-covalent Interaction

2019 ◽  
Vol 7 ◽  
Author(s):  
Pengju Wang ◽  
Ruili Shi ◽  
Yan Su ◽  
Lingli Tang ◽  
Xiaoming Huang ◽  
...  
Keyword(s):  
Ab Initio ◽  
Sodium Ion ◽  
Ab Initio Study ◽  
Covalent Interaction ◽  
Ion Clusters

Ab initio insights into Graphene-Zirconium disulfide/diselenide heterostructure as electrode material for alkali-ion batteries

2021 ◽  
Vol 24 ◽  
pp. 101036
Author(s):  
Gladys W. King'ori ◽  
Cecil N M Ouma ◽  
George O. Amolo ◽  
Nicholas W. Makau
Keyword(s):  
Ab Initio ◽  
Electrode Material ◽  
Alkali Ion

Transfer Free Energy of Micro-hydrated Ion Clusters from Water into Acetonitrile Solvent

2021 ◽  
pp. 116561
Author(s):  
Weiqiang Tang ◽  
Zijiang Dou ◽  
Yu Li ◽  
Xiaofei Xu ◽  
Shuangliang Zhao
Keyword(s):  
Free Energy ◽  
Transfer Free Energy ◽  
Ion Clusters ◽  
Hydrated Ion

Nitrogen Doped γ‐Graphyne: A Novel Anode for High‐Capacity Rechargeable Alkali‐Ion Batteries

Small ◽  
2020 ◽  
Vol 16 (10) ◽  
pp. 1907365 ◽  
Author(s):  
Chaofan Yang ◽  
Chong Qiao ◽  
Yang Chen ◽  
Xueqi Zhao ◽  
Lulu Wu ◽  
...  
Keyword(s):  
High Capacity ◽  
Nitrogen Doped ◽  
Alkali Ion

scholarly journals Two-dimensional graphene–HfS2 van der Waals heterostructure as electrode material for alkali-ion batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (50) ◽  
pp. 30127-30138
Author(s):  
Gladys W. King'ori ◽  
Cecil N. M. Ouma ◽  
Abhishek K. Mishra ◽  
George O. Amolo ◽  
Nicholas W. Makau
Keyword(s):  
Electrode Material ◽  
Volume Expansion ◽  
Van Der Waals ◽  
High Rate ◽  
Two Dimensional ◽  
Van Der Waals Heterostructure ◽  
Moderate Volume ◽  
Rate Capacity ◽  
Alkali Ion

A high rate capacity, moderate volume expansion and energetically stable alkali ion graphene–HfS2 electrode material.

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