Solvate electrolytes for Li and Na batteries: structures, transport properties, and electrochemistry

Y Ugata, K Shigenobu, R Tatara, K Ueno… - Physical Chemistry …, 2021 - pubs.rsc.org
Polar solvents dissolve Li and Na salts at high concentrations and are used as electrolyte
solutions for batteries. The solvents interact strongly with the alkali metal cations to form …

Direct evidence for Li ion hop** conduction in highly concentrated sulfolane-based liquid electrolytes

K Dokko, D Watanabe, Y Ugata… - The Journal of …, 2018 - ACS Publications
We demonstrate that Li+ hop** conduction, which cannot be explained by conventional
models ie, Onsager's theory and Stokes' law, emerges in highly concentrated liquid …

[HTML][HTML] An overlooked issue for high-voltage Li-ion batteries: Suppressing the intercalation of anions into conductive carbon

S Ko, Y Yamada, A Yamada - Joule, 2021 - cell.com
High-voltage Li-ion batteries have been extensively studied to increase energy density of
batteries. However, their cycling stability has remained poor, despite various strategies …

Li-ion hop** conduction in highly concentrated lithium bis (fluorosulfonyl) amide/dinitrile liquid electrolytes

Y Ugata, ML Thomas, T Mandai, K Ueno… - Physical Chemistry …, 2019 - pubs.rsc.org
Li+ ion hop** conduction in highly concentrated solutions of lithium bis (fluorosulfonyl)
amide (LiFSA) dissolved in dinitrile solvents, namely succinonitrile, glutaronitrile, and …

Solvate structures and spectroscopic characterization of LiTFSI electrolytes

DM Seo, PD Boyle, RD Sommer… - The Journal of …, 2014 - ACS Publications
A Raman spectroscopic evaluation of numerous crystalline solvates with lithium bis (
trifluoromethanesulfonyl) imide (LiTFSI or LiN (SO2CF3) 2) has been conducted over a wide …

Anionic effects on Li-ion activity and Li-ion intercalation reaction kinetics in highly concentrated Li salt/propylene carbonate solutions

Y Ugata, R Tatara, J Ock, J Zhang, K Ueno… - The Journal of …, 2023 - ACS Publications
Certain highly concentrated electrolytes (HCEs) enhance the charge-transfer reaction rate at
the electrode/electrolyte interface in Li-ion batteries. The solvation structure of Li+ in HCEs …

Structural Effects of Solvents on Li-Ion-Hop** Conduction in Highly Concentrated LiBF4/Sulfone Solutions

Y Ugata, S Sasagawa, R Tatara, K Ueno… - The Journal of …, 2021 - ACS Publications
Li-ion-hop** conduction is known to occur in certain highly concentrated electrolytes, and
this conduction mode is effective for achieving lithium batteries with high rate capabilities …

Boron-rich ore-forming fluids in hydrothermal W-Sn deposits from South China: Insights from in situ Raman spectroscopic characterization of fluid inclusions

Y Qiu, R Zhang, IM Chou, X Wang, W Hu, W Zhang… - Ore Geology …, 2021 - Elsevier
Boron (B) is an important volatile component in many ore-forming fluids of hydrothermal
deposits related to granites. The Mao** and Piaotang W-Sn deposits are typical magmatic …

Thermal and electrochemical stability of tetraglyme–magnesium bis (trifluoromethanesulfonyl) amide complex: electric field effect of divalent cation on solvate stability

S Terada, T Mandai, S Suzuki, S Tsuzuki… - The Journal of …, 2016 - ACS Publications
Phase behavior of binary mixtures of tetraglyme (G4) and Mg [TFSA] 2 (TFSA: bis (
trifluoromethanesulfonyl) amide) was investigated. In a 1: 1 molar ratio, G4 and Mg [TFSA] 2 …

Cooperative Catalysis in Stereoselective O- and N-Glycosylations with Glycosyl Trichloroacetimidates Mediated by Singly Protonated Phenanthrolinium Salt and …

J Ghorai, L Almounajed, S Noori… - Journal of the American …, 2024 - ACS Publications
The development of small-molecule catalysts that can effectively activate both reacting
partners simultaneously represents a pivotal pursuit in advancing the field of stereoselective …