Materials for All-Solid-State Lithium Ion Batteries

2013 ◽  
Vol 1496 ◽  
Author(s):  
Sumaletha Narayanan ◽  
Lina Truong ◽  
Venkataraman Thangadurai
Keyword(s):  
Ionic Conductivity ◽  
Chemical Stability ◽  
Room Temperature ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
High Ionic Conductivity ◽  
Li Ion Batteries ◽  
Li Battery ◽  
Li Ion ◽  
Very High

ABSTRACTGarnet-type electrolytes are currently receiving much attention for applications in Li-ion batteries, as they possess high ionic conductivity and chemical stability. Doping the garnet structure has proved to be a good way to improve the Li ion conductivity and stability. The present study includes effects of Y- doping in Li5La3Nb2O12 on Li ion conductivity and stability of “Li5+2xLa3Nb2-xYxO12” (0.05 ≤ x ≤ 0.75) under various environments, as well as chemical stability studies of Li5+xBaxLa3-xM2O12 (M = Nb, Ta) in water. “Li6.5La3Nb1.25Y0.75O12” showed a very high ionic conductivity of 2.7 х 10−4 Scm−1 at 25 °C, which is comparable to the highest value reported for garnet-type compounds, e.g., Li7La3Zr2O12. The selected members show very good stability against high temperatures, water, Li battery cathode Li2CoMn3O8 and carbon. The Li5+xBaxLa3-xNb2O12 garnets have shown to readily undergo an ion-exchange (proton) reaction under water treatment at room temperature; however, the Ta-based garnet appears to exhibit considerably higher stability under the same conditions.

scholarly journals Blend Hybrid Solid Electrolytes Based on LiTFSI Doped Silica-Polyethylene Oxide for Lithium-Ion Batteries

Membranes ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. 109 ◽  
Author(s):  
Jadra Mosa ◽  
Jonh Fredy Vélez ◽  
Mario Aparicio
Keyword(s):  
Ionic Conductivity ◽  
Solid Electrolytes ◽  
Room Temperature ◽  
Sol Gel ◽  
Lithium Ion ◽  
Hybrid Structure ◽  
Hybrid Network ◽  
Li Ion Batteries ◽  
Li Ion ◽  
Sol Gel Synthesis

Organic/inorganic hybrid membranes that are based on GTT (GPTMS-TMES-TPTE) system while using 3-Glycidoxypropyl-trimethoxysilane (GPTMS), Trimethyletoxisilane (TMES), and Trimethylolpropane triglycidyl ether (TPTE) as precursors have been obtained while using a combination of organic polymerization and sol-gel synthesis to be used as electrolytes in Li-ion batteries. Self-supported materials and thin-films solid hybrid electrolytes that were doped with Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) were prepared. The hybrid network is based on highly cross-linked structures with high ionic conductivity. The dependency of the crosslinked hybrid structure and polymerization grade on ionic conductivity is studied. Ionic conductivity depends on triepoxy precursor (TPTE) and the accessibility of Li ions in the organic network, reaching a maximum ionic conductivity of 1.3 × 10−4 and 1.4 × 10−3 S cm−1 at room temperature and 60 °C, respectively. A wide electrochemical stability window in the range of 1.5–5 V facilitates its use as solid electrolytes in next-generation of Li-ion batteries.

scholarly journals Contribution Succinonitrile additive for Performa LiTFSi Solid Polymer Electrolytes for Li-Ion Battery

2020 ◽  
Vol 20 (2) ◽  
Author(s):  
Qolby Sabrina ◽  
Titik Lestariningsih ◽  
Christin Rina Ratri ◽  
Achmad Subhan
Keyword(s):  
Ionic Conductivity ◽  
Polymer Electrolytes ◽  
Room Temperature ◽  
Lithium Salt ◽  
Ionic Conduction ◽  
Lithium Ion ◽  
Solid Polymer Electrolytes ◽  
Solid Polymer ◽  
Half Cell ◽  
Li Ion

Solid polymer electrolyte (SPE) appropriate to solve packaging leakage and expansion volume in lithium-ion battery systems. Evaluation of electrochemical performance of SPE consisted of mixture lithium salt, solid plasticizer, and polymer precursor with different ratio. Impedance spectroscopy was used to investigate ionic conduction and dielectric response lithium bis(trifluoromethane)sulfony imide (LiTFSI) salt, and additive succinonitrile (SCN) plasticizer. The result showing enhanced high ionic conductivity. In half-cell configurations, wide electrochemical stability window of the SPE has been tested. Have stability window at room temperature, indicating great potential of SPE for application in lithium ion batteries. Additive SCN contribute to forming pores that make it easier for the li ion to move from the anode to the cathode and vice versa for better perform SPE. Pore of SPE has been charaterization with FE-SEM. Additive 5% w.t SCN shows the best ionic conductivity with 4.2 volt wide stability window and pretty much invisible pores.

Lithium Argyrodite Sulfide Electrolytes with High Ionic Conductivity and Air Stability for All-Solid-State Li-Ion Batteries

2021 ◽  
pp. 171-179
Author(s):  
Yongheum Lee ◽  
Jiwon Jeong ◽  
Ho Jun Lee ◽  
Mingony Kim ◽  
Daseul Han ◽  
...  
Keyword(s):  
Solid State ◽  
Ionic Conductivity ◽  
High Ionic Conductivity ◽  
Li Ion Batteries ◽  
Li Ion

scholarly journals Near ideal synaptic functionalities in Li ion synaptic transistor using Li3POxSex electrolyte with high ionic conductivity

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Revannath Dnyandeo Nikam ◽  
Myonghoon Kwak ◽  
Jongwon Lee ◽  
Krishn Gopal Rajput ◽  
Writam Banerjee ◽  
...  
Keyword(s):  
Solid State ◽  
Ionic Conductivity ◽  
Ionic Conduction ◽  
Lithium Ion ◽  
High Ionic Conductivity ◽  
Ion Migration ◽  
Conductance Switching ◽  
Device Development ◽  
Artificial Synapse ◽  
Li Ion

AbstractAll solid-state lithium-ion transistors are considered as promising synaptic devices for building artificial neural networks for neuromorphic computing. However, the slow ionic conduction in existing electrolytes hinders the performance of lithium-ion-based synaptic transistors. In this study, we systematically explore the influence of ionic conductivity of electrolytes on the synaptic performance of ionic transistors. Isovalent chalcogenide substitution such as Se in Li3PO4 significantly reduces the activation energy for Li ion migration from 0.35 to 0.253 eV, leading to a fast ionic conduction. This high ionic conductivity allows linear conductance switching in the LiCoO2 channel with several discrete nonvolatile states and good retention for both potentiation and depression steps. Consequently, optimized devices demonstrate the smallest nonlinearity ratio of 0.12 and high on/off ratio of 19. However, Li3PO4 electrolyte (with lower ionic conductivity) shows asymmetric and nonlinear weight-update characteristics. Our findings show that the facilitation of Li ionic conduction in solid-state electrolyte suggests potential application in artificial synapse device development.

A renewable membrane with high ionic conductivity and thermal stability for Li-ion batteries

2022 ◽  
Vol 521 ◽  
pp. 230947
Author(s):  
Amin Liu ◽  
Shiyue Li ◽  
Zhenyu Jiang ◽  
Jian Du ◽  
Yehan Tao ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Ionic Conductivity ◽  
High Ionic Conductivity ◽  
Li Ion Batteries ◽  
Li Ion

Room temperature solvent-free reduction of SiCl4 to nano-Si for high-performance Li-ion batteries

2017 ◽  
Vol 53 (46) ◽  
pp. 6223-6226 ◽  
Author(s):  
Zhiliang Liu ◽  
Xinghua Chang ◽  
Bingxue Sun ◽  
Sungjin Yang ◽  
Jie Zheng ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Efficient Method ◽  
Mechanical Milling ◽  
High Performance ◽  
Room Temperature ◽  
Direct Reduction ◽  
Lithium Ion ◽  
Li Ion Batteries ◽  
Si Nanoparticles ◽  
Li Ion

A highly efficient method to prepare Si nanoparticles for high-performance lithium ion batteries: direct reduction of SiCl4 using Na metal by mechanical milling at room temperature without using any organic solvents.

scholarly journals Physical and electrochemical properties of mixed electrolyte 1-ethyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide and ethylene carbonate as electrolytes for Li-ion batteries

2019 ◽  
Vol 22 (1) ◽  
Author(s):  
Linh Thi-My Le ◽  
Thanh Duy Vo ◽  
Hoang Van Nguyen ◽  
Quan Phung ◽  
Man Van Tran ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Ionic Conductivity ◽  
Ethylene Carbonate ◽  
Lithium Ion ◽  
Electrochemical Stability ◽  
Liquid Lithium ◽  
Mixed Electrolytes ◽  
Li Ion Batteries ◽  
Electrochemical Window ◽  
Li Ion

Introduction: Ionic liquids (ILs) have become a prospective candidate to replace the conventional electrolytes based on the volatile organic-solvents in lithium-ion batteries. However, the drawbacks of high viscosity and low ionic conductivity have restricted the high rate capacity and energy density in practical batteries. With the aims to resolve these problems and design a safe electrolytes with high electrochemical stability, mixtures of ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl) imide (EMITFSI) with different amounts of ethylene carbonate (EC) was prepared and characterized as electrolytes for Li-ion batteries. Methods: In this work, we investigated four factors to demonstrate the performance of EMITFSI as electrolytes for Li-ion batteries. These factors include: thermal properties of mixed electrolytes (Mettler Toledo DSC1 Star -DSC, Q500-TGA), Conductivity (HP- AC impedance spectroscopy), Viscosity (Ostwald viscometer CANNON) and electrochemical window (cyclic voltammetry-MGP2 Biologic Instrument). All experiments were repeated three times with the exception of TGA-DSC methods. Results: The study indicated that 20 % wt. ethylene carbonate (EC) when mixed with EMITFSI could significantly decrease the electrolyte viscosity while improving ionic conductivity and maintain similar electrochemical stability as pure ionic liquid. Lithium diffusion coefficient of mixed electrolytes was lower than commercial electrolytes based on conventional solvents, however, the thermal stability was enhanced. Conclusion: EMITFSI can be used to replace conventional carbonate-based liquids as a high-performance electrolyte for Li-ion batteries.  

Solvothermal synthesis high lithium ionic conductivity of Gd-doped Li1.3 Al0.3Ti1.7(PO4)3 solid electrolyte

2021 ◽  
pp. 2140002
Author(s):  
Mingxia Fan ◽  
Xiangyu Deng ◽  
Anqiao Zheng ◽  
Songdong Yuan
Keyword(s):  
Ionic Conductivity ◽  
Solid Electrolyte ◽  
Solid Electrolytes ◽  
Room Temperature ◽  
Lithium Ion ◽  
High Ionic Conductivity ◽  
Doping Content ◽  
First Time ◽  
Maximum Content ◽  
Material Price

NASICON-type Li[Formula: see text]Al[Formula: see text]Ti[Formula: see text](PO[Formula: see text] (LATP) solid electrolytes have been widely studied because of its stability in the air, low material price and high ionic conductivity. Gd-doped Li[Formula: see text]Al[Formula: see text]Gd[Formula: see text]Ti[Formula: see text](PO[Formula: see text] ([Formula: see text]= 0, 0.025, 0.05, 0.075 and 0.1) with high ionic conductivity was successfully synthesized by solvothermal method for the first time in this work. The effect of Gd doping content on the structure and electrochemical performance of solid electrolytes was systematically studied. The optimal doping content of Gd is [Formula: see text]= 0.075. With the Gd doping content of 0.075, the solid electrolyte has the highest ionic conductivity of 4.23 × 10[Formula: see text] S cm[Formula: see text] at room temperature, the lowest activation energy of 0.247 eV and the highest relative density of 94.89%. This is because the fact that when [Formula: see text]= 0.075, it is the maximum content of Gd[Formula: see text] to replace Al[Formula: see text] and can completely enter the lattice of LATP, and does not emerge too much non-lithium ion conductive GdPO4 phase.

scholarly journals Correlation of Mechanical and Electrical Behavior of Polyethylene Oxide-Based Solid Electrolytes for All-Solid State Lithium-Ion Batteries

Batteries ◽  
2019 ◽  
Vol 5 (1) ◽  
pp. 26 ◽  
Author(s):  
Fabian Peters ◽  
Frederieke Langer ◽  
Nikolai Hillen ◽  
Katharina Koschek ◽  
Ingo Bardenhagen ◽  
...  
Keyword(s):  
Solid State ◽  
Ionic Conductivity ◽  
Mechanical Strength ◽  
Solid Electrolytes ◽  
Large Scale ◽  
Lithium Ion ◽  
Scale Production ◽  
Li Ion Batteries ◽  
Scanning Calorimetry ◽  
Li Ion

Mechanical and electrochemical stability are key issues for large-scale production of solid state Li-ion batteries. Polymer electrolytes can provide good ionic conductivity, but mechanical strength needs to be improved. In this study, we investigate the correlation of mechanical and electrical properties of poly (ethylene oxide) (PEO)-based solid electrolytes for Li-ion batteries. The influence of alumina and LiClO4 addition are investigated. Differential scanning calorimetry (DSC) is used to study the thermal behavior of salt-free and salt-containing samples and to identify the melting temperature. Dynamic mechanical analysis reveals the elastic properties as a function of temperature. Electrochemical properties are investigated using impedance spectroscopy. It is found that addition of alumina increases mechanical strength, while LiClO4 decreases it. Addition of LiClO4 and Al2O3 increases ionic conductivity and improves mechanical properties. However, there is no overlapping window of high mechanical strength and high ionic conductivity.

Lithium migration pathways at the composite interface of LiBH4 and two-dimensional MoS2 enabling superior ionic conductivity at room temperature

2020 ◽  
Vol 22 (7) ◽  
pp. 4096-4105 ◽  
Author(s):  
Zhixiang Liu ◽  
Mengyuan Xiang ◽  
Yao Zhang ◽  
Huaiyu Shao ◽  
Yunfeng Zhu ◽  
...  
Keyword(s):  
Ionic Conductivity ◽  
Dft Calculations ◽  
Room Temperature ◽  
Ion Conductivity ◽  
Two Dimensional ◽  
Composite Interface ◽  
Li Ion ◽  
Migration Pathways ◽  
Lithium Migration

A novel interface with high Li-ion conductivity has been formulated and the results have been verified by DFT calculations.

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