Compatibility of Li[sub x]Ti[sub y]Mn[sub 1−y]O[sub 2] (y=0, 0.11) Electrode Materials with Pyrrolidinium-Based Ionic Liquid Electrolyte Systems

2008 ◽  
Vol 155 (2) ◽  
pp. A172 ◽  
Author(s):  
J. Saint ◽  
A. S. Best ◽  
A. F. Hollenkamp ◽  
J. Kerr ◽  
J.-H. Shin ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Electrode Materials ◽  
Liquid Electrolyte ◽  
Ionic Liquid Electrolyte

H3PO4 activated carbons as the electrode materials of supercapacitors using an ionic liquid electrolyte

Carbon ◽  
2018 ◽  
Vol 134 ◽  
pp. 537
Author(s):  
Qiu-hong Zhang ◽  
Song-lin Zuo ◽  
Xin-yu Wei ◽  
Yong-fang Wang
Keyword(s):  
Ionic Liquid ◽  
Electrode Materials ◽  
Activated Carbons ◽  
Liquid Electrolyte ◽  
Ionic Liquid Electrolyte

Revealing better organic sodium battery performance in ionic liquid electrolyte

2021 ◽  
Author(s):  
Weisheng Zhang ◽  
Huimin Sun ◽  
Zhaopeng Sun ◽  
Shuai Liu ◽  
Weiwei Huang
Keyword(s):  
Ionic Liquid ◽  
Research And Development ◽  
Electrode Materials ◽  
Liquid Electrolyte ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Battery System ◽  
Ionic Liquid Electrolyte ◽  
Sodium Battery ◽  
Organic Electrodes

The commercialization of sodium ion batteries (SIBs) accelerated the research and development of electrode materials. Organic electrodes have less restriction on the battery system and have received more attention. However,...

Two-dimensional siloxene nanosheets: novel high-performance supercapacitor electrode materials

2018 ◽  
Vol 11 (6) ◽  
pp. 1595-1602 ◽  
Author(s):  
Karthikeyan Krishnamoorthy ◽  
Parthiban Pazhamalai ◽  
Sang-Jae Kim
Keyword(s):  
Ionic Liquid ◽  
Energy Density ◽  
High Performance ◽  
Electrode Materials ◽  
Liquid Electrolyte ◽  
Two Dimensional ◽  
Supercapacitor Electrode ◽  
Ionic Liquid Electrolyte ◽  
Symmetric Supercapacitor ◽  
Supercapacitor Electrode Materials

A symmetric supercapacitor constructed using two dimensional siloxene sheets in an ionic liquid electrolyte exhibits high areal capacitance and energy density.

Enhanced Ion Transport in an Ether Aided Super Concentrated Ionic Liquid Electrolyte for Long-Life Practical Lithium Metal Battery Applications

2020 ◽  
Author(s):  
Urbi Pal ◽  
Fangfang Chen ◽  
Derick Gyabang ◽  
Thushan Pathirana ◽  
Binayak Roy ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Ion Transport ◽  
Current Density ◽  
Coulombic Efficiency ◽  
High Energy ◽  
Liquid Electrolyte ◽  
High Mass ◽  
Lithium Metal ◽  
Ionic Liquid Electrolyte ◽  
Lithium Metal Battery

We explore a novel ether aided superconcentrated ionic liquid electrolyte; a combination of ionic liquid, <i>N</i>-propyl-<i>N</i>-methylpyrrolidinium bis(fluorosulfonyl)imide (C<sub>3</sub>mpyrFSI) and ether solvent, <i>1,2</i> dimethoxy ethane (DME) with 3.2 mol/kg LiFSI salt, which offers an alternative ion-transport mechanism and improves the overall fluidity of the electrolyte. The molecular dynamics (MD) study reveals that the coordination environment of lithium in the ether aided ionic liquid system offers a coexistence of both the ether DME and FSI anion simultaneously and the absence of ‘free’, uncoordinated DME solvent. These structures lead to very fast kinetics and improved current density for lithium deposition-dissolution processes. Hence the electrolyte is used in a lithium metal battery against a high mass loading (~12 mg/cm<sup>2</sup>) LFP cathode which was cycled at a relatively high current rate of 1mA/cm<sup>2</sup> for 350 cycles without capacity fading and offered an overall coulombic efficiency of >99.8 %. Additionally, the rate performance demonstrated that this electrolyte is capable of passing current density as high as 7mA/cm<sup>2</sup> without any electrolytic decomposition and offers a superior capacity retention. We have also demonstrated an ‘anode free’ LFP-Cu cell which was cycled over 50 cycles and achieved an average coulombic efficiency of 98.74%. The coordination chemistry and (electro)chemical understanding as well as the excellent cycling stability collectively leads toward a breakthrough in realizing the practical applicability of this ether aided ionic liquid electrolytes in lithium metal battery applications, while delivering high energy density in a prototype cell.

High energy density supercapacitor based on N/B co-doped graphene nanoarchitectures and ionic liquid electrolyte

Ionics ◽  
2019 ◽  
Vol 25 (9) ◽  
pp. 4351-4360 ◽  
Author(s):  
Zhongliang Yu ◽  
Jiahe Zhang ◽  
Chunxian Xing ◽  
Lei Hu ◽  
Lili Wang ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Energy Density ◽  
High Energy ◽  
Liquid Electrolyte ◽  
High Energy Density ◽  
Ionic Liquid Electrolyte ◽  
Doped Graphene ◽  
Co Doped

scholarly journals Mechanochemistry-assisted synthesis of hierarchical porous carbons applied as supercapacitors

2017 ◽  
Vol 13 ◽  
pp. 1332-1341 ◽  
Author(s):  
Desirée Leistenschneider ◽  
Nicolas Jäckel ◽  
Felix Hippauf ◽  
Volker Presser ◽  
Lars Borchardt
Keyword(s):  
Electrode Materials ◽  
Liquid Electrolyte ◽  
High Specific Surface Area ◽  
Mechanochemical Reaction ◽  
Porous Carbons ◽  
Ionic Liquid Electrolyte ◽  
Hierarchical Porous ◽  
Hierarchical Porous Carbons ◽  
Double Layer Capacitors ◽  
Solvent Free Synthesis

A solvent-free synthesis of hierarchical porous carbons is conducted by a facile and fast mechanochemical reaction in a ball mill. By means of a mechanochemical ball-milling approach, we obtained titanium(IV) citrate-based polymers, which have been processed via high temperature chlorine treatment to hierarchical porous carbons with a high specific surface area of up to 1814 m2 g−1 and well-defined pore structures. The carbons are applied as electrode materials in electric double-layer capacitors showing high specific capacitances with 98 F g−1 in organic and 138 F g−1 in an ionic liquid electrolyte as well as good rate capabilities, maintaining 87% of the initial capacitance with 1 M TEA-BF4 in acetonitrile (ACN) and 81% at 10 A g−1 in EMIM-BF4.

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