Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate Binder
Both the binder and solid–electrolyte interface play an important role in improving the cycling stability of electrodes for Na-ion batteries. In this study, a novel tetrabutylammonium (TBA) alginate binder is used to prepare a Na<sub>0.67</sub>MnO<sub>2</sub> electrode for so...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-01-01
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| Series: | Batteries |
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| Online Access: | https://www.mdpi.com/2313-0105/8/1/6 |
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| author | Gints Kucinskis Beate Kruze Prasad Korde Anatolijs Sarakovskis Arturs Viksna Julija Hodakovska Gunars Bajars |
| author_facet | Gints Kucinskis Beate Kruze Prasad Korde Anatolijs Sarakovskis Arturs Viksna Julija Hodakovska Gunars Bajars |
| author_sort | Gints Kucinskis |
| collection | DOAJ |
| description | Both the binder and solid–electrolyte interface play an important role in improving the cycling stability of electrodes for Na-ion batteries. In this study, a novel tetrabutylammonium (TBA) alginate binder is used to prepare a Na<sub>0.67</sub>MnO<sub>2</sub> electrode for sodium-ion batteries with improved electrochemical performance. The ageing of the electrodes is characterized. TBA alginate-based electrodes are compared to polyvinylidene fluoride- (PVDF) and Na alginate-based electrodes and show favorable electrochemical performance, with gravimetric capacity values of up to 164 mAh/g, which is 6% higher than measured for the electrode prepared with PVDF binder. TBA alginate-based electrodes also display good rate capability and improved cyclability. The solid–electrolyte interface of TBA alginate-based electrodes is similar to that of PVDF-based electrodes. As the only salt of alginic acid soluble in non-aqueous solvents, TBA alginate emerges as a good alternative to PVDF binder in battery applications where the water-based processing of electrode slurries is not feasible, such as the demonstrated case with Na<sub>0.67</sub>MnO<sub>2</sub>. |
| first_indexed | 2024-03-10T01:54:36Z |
| format | Article |
| id | doaj.art-0a53efa87ce64ec4b790d328e9ab3b10 |
| institution | Directory Open Access Journal |
| issn | 2313-0105 |
| language | English |
| last_indexed | 2024-03-10T01:54:36Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Batteries |
| spelling | doaj.art-0a53efa87ce64ec4b790d328e9ab3b102023-11-23T12:58:37ZengMDPI AGBatteries2313-01052022-01-0181610.3390/batteries8010006Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate BinderGints Kucinskis0Beate Kruze1Prasad Korde2Anatolijs Sarakovskis3Arturs Viksna4Julija Hodakovska5Gunars Bajars6Institute of Solid State Physics, University of Latvia, LV-1063 Riga, LatviaInstitute of Solid State Physics, University of Latvia, LV-1063 Riga, LatviaInstitute of Solid State Physics, University of Latvia, LV-1063 Riga, LatviaInstitute of Solid State Physics, University of Latvia, LV-1063 Riga, LatviaDepartment of Analytical Chemistry, Faculty of Chemistry, University of Latvia, LV-1004 Riga, LatviaInstitute of Solid State Physics, University of Latvia, LV-1063 Riga, LatviaInstitute of Solid State Physics, University of Latvia, LV-1063 Riga, LatviaBoth the binder and solid–electrolyte interface play an important role in improving the cycling stability of electrodes for Na-ion batteries. In this study, a novel tetrabutylammonium (TBA) alginate binder is used to prepare a Na<sub>0.67</sub>MnO<sub>2</sub> electrode for sodium-ion batteries with improved electrochemical performance. The ageing of the electrodes is characterized. TBA alginate-based electrodes are compared to polyvinylidene fluoride- (PVDF) and Na alginate-based electrodes and show favorable electrochemical performance, with gravimetric capacity values of up to 164 mAh/g, which is 6% higher than measured for the electrode prepared with PVDF binder. TBA alginate-based electrodes also display good rate capability and improved cyclability. The solid–electrolyte interface of TBA alginate-based electrodes is similar to that of PVDF-based electrodes. As the only salt of alginic acid soluble in non-aqueous solvents, TBA alginate emerges as a good alternative to PVDF binder in battery applications where the water-based processing of electrode slurries is not feasible, such as the demonstrated case with Na<sub>0.67</sub>MnO<sub>2</sub>.https://www.mdpi.com/2313-0105/8/1/6sodium-ion batteriesalginateNa<sub>0.67</sub>MnO<sub>2</sub>bindercathode |
| spellingShingle | Gints Kucinskis Beate Kruze Prasad Korde Anatolijs Sarakovskis Arturs Viksna Julija Hodakovska Gunars Bajars Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate Binder Batteries sodium-ion batteries alginate Na<sub>0.67</sub>MnO<sub>2</sub> binder cathode |
| title | Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate Binder |
| title_full | Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate Binder |
| title_fullStr | Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate Binder |
| title_full_unstemmed | Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate Binder |
| title_short | Enhanced Electrochemical Properties of Na<sub>0.67</sub>MnO<sub>2</sub> Cathode for Na-Ion Batteries Prepared with Novel Tetrabutylammonium Alginate Binder |
| title_sort | enhanced electrochemical properties of na sub 0 67 sub mno sub 2 sub cathode for na ion batteries prepared with novel tetrabutylammonium alginate binder |
| topic | sodium-ion batteries alginate Na<sub>0.67</sub>MnO<sub>2</sub> binder cathode |
| url | https://www.mdpi.com/2313-0105/8/1/6 |
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