scholarly journals Lithium-ion conductivity in Li6Y(BO3)3: a thermally and electrochemically robust solid electrolyte

2016 ◽  
Vol 4 (18) ◽  
pp. 6972-6979 ◽  
Author(s):  
Beatriz Lopez-Bermudez ◽  
Wolfgang G. Zeier ◽  
Shiliang Zhou ◽  
Anna J. Lehner ◽  
Jerry Hu ◽  
...  
Keyword(s):  
Energy Storage ◽  
Solid Electrolyte ◽  
Solid Electrolytes ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
Ion Diffusion ◽  
New Energy ◽  
Li Ion ◽  
Lithium Ion Conductivity ◽  
Storage Technologies

The development of new frameworks for solid electrolytes exhibiting fast Li-ion diffusion is critical for enabling new energy storage technologies.

Cationic covalent organic framework based all-solid-state electrolytes

2020 ◽  
Vol 4 (4) ◽  
pp. 1164-1173 ◽  
Author(s):  
Zhen Li ◽  
Zhi-Wei Liu ◽  
Zhen-Jie Mu ◽  
Chen Cao ◽  
Zeyu Li ◽  
...  
Keyword(s):  
High Temperature ◽  
Solid State ◽  
Solid Electrolytes ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
Li Ion Battery ◽  
Covalent Organic Framework ◽  
Li Ion ◽  
Lithium Ion Conductivity ◽  
Organic Framework

Two new imidazolium-based cationic COFs were synthesized and employed as all-solid electrolytes, and exhibited high lithium ion conductivity at high temperature. The assembled Li-ion battery displays preferable battery performance at 353 K.

scholarly journals Evidence for a Solid-Electrolyte Inductive Effect in Superionic Conductors

2020 ◽  
Author(s):  
Sean Culver ◽  
Alex Squires ◽  
Nicolo Minafra ◽  
Callum Armstrong ◽  
Thorben Krauskopf ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Solid Electrolytes ◽  
Density Functional ◽  
Inductive Effect ◽  
Ionic Conductivities ◽  
Lithium Ion ◽  
Density Functional Theory Calculations ◽  
Ion Diffusion ◽  
Functional Theory ◽  
Li Ion

<p>Identifying and optimizing highly-conducting lithium-ion solid electrolytes is a critical step towards the realization of commercial all–solid-state lithium-ion batteries. Strategies to enhance ionic conductivities in solid electrolytes typically focus on the effects of modifying their crystal structures or of tuning mobile-ion stoichiometries. A less-explored approach is to modulate the chemical-bonding interactions within a material to promote fast lithium-ion diffusion. Recently, the idea of a solid-electrolyte inductive effect was proposed, whereby changes in bonding within the solid-electrolyte host-framework modify the potential-energy landscape for the mobile ions, resulting in an enhanced ionic conductivity. This concept has since been invoked to explain anomalous conductivity trends in a number of solid electrolytes. Direct evidence for a solid-electrolyte inductive effect, however, is lacking—in part because of the challenge of quantifying changes in local bonding interactions within a solid-electrolyte host-framework. <a></a><a>Here, we consider the evidence for a solid-electrolyte inductive effect in the archetypal superionic lithium-ion conductor Li<sub>10</sub>Ge<sub>1−<i>x</i></sub>Sn<i><sub>x</sub></i>P<sub>2</sub>S<sub>12</sub>, using Rietveld refinements against high-resolution temperature-dependent neutron-diffraction data, Raman spectroscopy, and density functional theory calculations.</a> Substituting Ge for Sn weakens the {Ge,Sn}–S bonding interactions and increases the charge-density associated with the S<sup>2-</sup> ions. This charge redistribution modifies the Li<sup>+</sup> substructure causing Li<sup>+</sup> ions to bind more strongly to the host-framework S anions; which in turn modulates the Li-ion potential-energy surface, increasing local barriers for Li-ion diffusion. Each of these effects is consistent with the predictions of the solid-electrolyte inductive effect model. Density functional theory calculations further predict that this inductive effect occurs even in the absence of changes to the host-framework geometry due to Ge → Sn substitution. These results provide direct evidence in support of a measurable solid-electrolyte inductive effect and demonstrate its application as a practical strategy for tuning ionic conductivities in superionic lithium-ion conductors.</p>

Porous Li-MOF as a solid-state electrolyte: exploration of lithium ion conductivity through bio-inspired ionic channels

2020 ◽  
Vol 56 (94) ◽  
pp. 14873-14876
Author(s):  
Karabi Nath ◽  
Abdulla Bin Rahaman ◽  
Rajib Moi ◽  
Kartik Maity ◽  
Kumar Biradha
Keyword(s):  
Solid State ◽  
Solid Electrolyte ◽  
Lithium Ion ◽  
Ionic Channels ◽  
Solvent Free ◽  
Ion Conductivity ◽  
Solid State Electrolyte ◽  
Li Ion ◽  
Lithium Ion Conductivity

A newly constructed porous Li-MOF was used as a solvent free solid electrolyte for Li-ion conductivity.

scholarly journals Evidence for a Solid-Electrolyte Inductive Effect in Superionic Conductors

2020 ◽  
Author(s):  
Sean Culver ◽  
Alex Squires ◽  
Nicolo Minafra ◽  
Callum Armstrong ◽  
Thorben Krauskopf ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Solid Electrolytes ◽  
Density Functional ◽  
Inductive Effect ◽  
Ionic Conductivities ◽  
Lithium Ion ◽  
Density Functional Theory Calculations ◽  
Ion Diffusion ◽  
Functional Theory ◽  
Li Ion

<p>Identifying and optimizing highly-conducting lithium-ion solid electrolytes is a critical step towards the realization of commercial all–solid-state lithium-ion batteries. Strategies to enhance ionic conductivities in solid electrolytes typically focus on the effects of modifying their crystal structures or of tuning mobile-ion stoichiometries. A less-explored approach is to modulate the chemical-bonding interactions within a material to promote fast lithium-ion diffusion. Recently, the idea of a solid-electrolyte inductive effect was proposed, whereby changes in bonding within the solid-electrolyte host-framework modify the potential-energy landscape for the mobile ions, resulting in an enhanced ionic conductivity. This concept has since been invoked to explain anomalous conductivity trends in a number of solid electrolytes. Direct evidence for a solid-electrolyte inductive effect, however, is lacking—in part because of the challenge of quantifying changes in local bonding interactions within a solid-electrolyte host-framework. <a></a><a>Here, we consider the evidence for a solid-electrolyte inductive effect in the archetypal superionic lithium-ion conductor Li<sub>10</sub>Ge<sub>1−<i>x</i></sub>Sn<i><sub>x</sub></i>P<sub>2</sub>S<sub>12</sub>, using Rietveld refinements against high-resolution temperature-dependent neutron-diffraction data, Raman spectroscopy, and density functional theory calculations.</a> Substituting Ge for Sn weakens the {Ge,Sn}–S bonding interactions and increases the charge-density associated with the S<sup>2-</sup> ions. This charge redistribution modifies the Li<sup>+</sup> substructure causing Li<sup>+</sup> ions to bind more strongly to the host-framework S anions; which in turn modulates the Li-ion potential-energy surface, increasing local barriers for Li-ion diffusion. Each of these effects is consistent with the predictions of the solid-electrolyte inductive effect model. Density functional theory calculations further predict that this inductive effect occurs even in the absence of changes to the host-framework geometry due to Ge → Sn substitution. These results provide direct evidence in support of a measurable solid-electrolyte inductive effect and demonstrate its application as a practical strategy for tuning ionic conductivities in superionic lithium-ion conductors.</p>

Lithium ion conductivity of oriented Li0.33La0.56TiO3 solid electrolyte films prepared by a sol–gel process

2016 ◽  
Vol 284 ◽  
pp. 1-6 ◽  
Author(s):  
Takashi Teranishi ◽  
Yuki Ishii ◽  
Hidetaka Hayashi ◽  
Akira Kishimoto
Keyword(s):  
Solid Electrolyte ◽  
Sol Gel ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
Sol Gel Process ◽  
Lithium Ion Conductivity

ChemInform Abstract: A Sol-Gel Solid Electrolyte with High Lithium Ion Conductivity.

ChemInform ◽  
2010 ◽  
Vol 28 (27) ◽  
pp. no-no
Author(s):  
P.-W. WU ◽  
S. R. HOLM ◽  
A. T. DUONG ◽  
B. DUNN ◽  
R. B. KANER
Keyword(s):  
Solid Electrolyte ◽  
Sol Gel ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
Lithium Ion Conductivity

A Sol-Gel Solid Electrolyte with High Lithium Ion Conductivity

1997 ◽  
Vol 9 (4) ◽  
pp. 1004-1011 ◽  
Author(s):  
Pu-Wei Wu ◽  
Steven R. Holm ◽  
Anh T. Duong ◽  
Bruce Dunn ◽  
Richard B. Kaner
Keyword(s):  
Solid Electrolyte ◽  
Sol Gel ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
Lithium Ion Conductivity

scholarly journals Microwave-assisted reactive sintering and lithium ion conductivity of Li1.3Al0.3Ti1.7(PO4)3 solid electrolyte

2018 ◽  
Vol 378 ◽  
pp. 48-52 ◽  
Author(s):  
Leopold Hallopeau ◽  
Damien Bregiroux ◽  
Gwenaëlle Rousse ◽  
David Portehault ◽  
Philippe Stevens ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
Reactive Sintering ◽  
Microwave Assisted ◽  
Lithium Ion Conductivity

scholarly journals The influence of silica surface groups on the Li-ion conductivity of LiBH4/SiO2 nanocomposites

2019 ◽  
Vol 21 (40) ◽  
pp. 22456-22466 ◽  
Author(s):  
Peter Ngene ◽  
Sander F. H. Lambregts ◽  
Didier Blanchard ◽  
Tejs Vegge ◽  
Manish Sharma ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Silica Surface ◽  
Lithium Ion ◽  
Ion Conductivity ◽  
Surface Groups ◽  
Sio2 Nanocomposites ◽  
Li Ion ◽  
Lithium Ion Conductivity

The lithium ion conductivity of LiBH4 nanoconfined in mesoporous silica is strongly influenced by the types and concentration of the silica surface groups.

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