Electochemical characteristics of LiMn2O4/Li4Ti5O12 battery with conducting polymeric binder

Lithium-ion battery based on LiMn 2 O 4 /Li 4 Ti 5 O 12 materials was assembled for the first time. The cathode and anode of this battery are prepared with the aqueous combined binder poly-3,4-ethylenedioxythiophene: polystyrene sulfonate/carboxymethylcellulose (without polyvinylidene fluoride). The...

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Bibliographic Details
Published in:Russian journal of applied chemistry 2017-08, Vol.90 (8), p.1230-1233
Main Authors: Eliseeva, S. N., Vorob’eva, K. A., Shkreba, E. V., Apraksin, R. V., Kondrat’ev, V. V.
Format: Article
Language:English
Subjects:
Applied Electrochemistry and Metal Corrosion Protection
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Conducting polymers
Discharge
Electrode materials
Electrodes
Electron microscopy
Industrial Chemistry/Chemical Engineering
Lithium
Lithium-ion batteries
Polystyrene resins
Polyvinylidene fluorides
Rechargeable batteries
Scanning electron microscopy
Substrates
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Summary:Lithium-ion battery based on LiMn 2 O 4 /Li 4 Ti 5 O 12 materials was assembled for the first time. The cathode and anode of this battery are prepared with the aqueous combined binder poly-3,4-ethylenedioxythiophene: polystyrene sulfonate/carboxymethylcellulose (without polyvinylidene fluoride). The capacity of the LiMn 2 O 4 /Li 4 Ti 5 O 12 battery was found to be 75 mA h g –1 at 0.1 C and 55 mA h g –1 at 1 C. A 95% capacity was retained after 100 charge-discharge cycles. The batteries demonstrated a high Coulombic efficiency close to 100%. Scanning electron microscopy demonstrated that using the conducting binder poly-3,4-ethylenedioxythiophene: polystyrene sulfonate/carboxymethylcellulose provides formation of dense compact layers of electrode materials with good adhesion to the substrate. The electrode structure remains maintained after 100 charge-discharge cycles.
ISSN:1070-4272
1608-3296
DOI:10.1134/S1070427217080067