Inherent electrochemical activity of TiO2 (anatase, rutile) enhances the charge capacity of cathodes of lithium-sulfur batteries
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F22%3A00554275" target="_blank" >RIV/61388955:_____/22:00554275 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11310/22:10447157
Result on the web
<a href="http://hdl.handle.net/11104/0328906" target="_blank" >http://hdl.handle.net/11104/0328906</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s10008-022-05115-z" target="_blank" >10.1007/s10008-022-05115-z</a>
Alternative languages
Result language
angličtina
Original language name
Inherent electrochemical activity of TiO2 (anatase, rutile) enhances the charge capacity of cathodes of lithium-sulfur batteries
Original language description
The addition of nanocrystalline titanium dioxide (P90) to a cathode of Li/S cell enhances its voltammetric charge capacity by 19%, from which only a small fraction (ca. 1%) is assignable to the intrinsic Li-storage in TiO2. The flatband potential of anatase (the main component of P90) and rutile (the second main component of P90) equals 2.1 V vs. Li+/Li for both anatase and rutile. The S-8 reduction is triggered at the same potential, confirming that TiO2 behaves like an ideally rectifying semiconductor electrode for sulfur. The modification of glass-fiber separator by P90 further improves the charge capacity of the Li/S cell. Titanium dioxide is active in the Li/S cell not only for immobilization of polysulfides on the sulphiphilic surface but also due to its inherent electrochemical activity for sulfur reduction at potentials negative to V-fb.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
Result continuities
Project
<a href="/en/project/GA20-03564S" target="_blank" >GA20-03564S: New host materials and structures for advanced lithium-sulfur batteries</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Solid State Electrochemistry
ISSN
1432-8488
e-ISSN
1433-0768
Volume of the periodical
26
Issue of the periodical within the volume
3
Country of publishing house
DE - GERMANY
Number of pages
9
Pages from-to
639-647
UT code for WoS article
000742794800001
EID of the result in the Scopus database
2-s2.0-85123075845