Abstract
Manganese oxide electrodes possessing pseudo-capacitance behaviors were successfully made with a simple sol-gel method. The experimental results showed that the specific capacitance was 101.2 F/g for pure manganese oxide films after annealing at 300° C. However, the specific capacitance increased to 232.3 F/g with iron acetate (1.0 mol% Fe) addition and after annealing at 350° C. The surface morphology observations revealed that the annealing temperature of 350° C produced a higher surface area film with smaller pores. X-ray diffraction results showed that the manganese-iron oxide was composed of Mn 3O4 and Mn2O3 phases, without iron oxide diffraction peaks. The manganese-iron oxide electrode with Mn 3O4 and Mn2O3 phases exhibited good electrochemical performance and capacitance efficiency.
| Original language | English |
|---|---|
| Pages (from-to) | 7831-7838 |
| Number of pages | 8 |
| Journal | Ceramics International |
| Volume | 39 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - Sep 2013 |
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Keywords
- Iron acetate
- Manganese acetate
- Pseudo-capacitance
- Sol-gel
- Specific capacitance
ASJC Scopus subject areas
- Ceramics and Composites
- Process Chemistry and Technology
- Electronic, Optical and Magnetic Materials
- Surfaces, Coatings and Films
- Materials Chemistry
Cite this
Improved pseudo-capacitive performance of manganese oxide films synthesized by the facile sol-gel method with iron acetate addition. / Chen, Chien Chon; Yang, Chia Yu; Lin, Chung Kwei.
In: Ceramics International, Vol. 39, No. 7, 09.2013, p. 7831-7838.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Improved pseudo-capacitive performance of manganese oxide films synthesized by the facile sol-gel method with iron acetate addition
AU - Chen, Chien Chon
AU - Yang, Chia Yu
AU - Lin, Chung Kwei
PY - 2013/9
Y1 - 2013/9
N2 - Manganese oxide electrodes possessing pseudo-capacitance behaviors were successfully made with a simple sol-gel method. The experimental results showed that the specific capacitance was 101.2 F/g for pure manganese oxide films after annealing at 300° C. However, the specific capacitance increased to 232.3 F/g with iron acetate (1.0 mol% Fe) addition and after annealing at 350° C. The surface morphology observations revealed that the annealing temperature of 350° C produced a higher surface area film with smaller pores. X-ray diffraction results showed that the manganese-iron oxide was composed of Mn 3O4 and Mn2O3 phases, without iron oxide diffraction peaks. The manganese-iron oxide electrode with Mn 3O4 and Mn2O3 phases exhibited good electrochemical performance and capacitance efficiency.
AB - Manganese oxide electrodes possessing pseudo-capacitance behaviors were successfully made with a simple sol-gel method. The experimental results showed that the specific capacitance was 101.2 F/g for pure manganese oxide films after annealing at 300° C. However, the specific capacitance increased to 232.3 F/g with iron acetate (1.0 mol% Fe) addition and after annealing at 350° C. The surface morphology observations revealed that the annealing temperature of 350° C produced a higher surface area film with smaller pores. X-ray diffraction results showed that the manganese-iron oxide was composed of Mn 3O4 and Mn2O3 phases, without iron oxide diffraction peaks. The manganese-iron oxide electrode with Mn 3O4 and Mn2O3 phases exhibited good electrochemical performance and capacitance efficiency.
KW - Iron acetate
KW - Manganese acetate
KW - Pseudo-capacitance
KW - Sol-gel
KW - Specific capacitance
UR - http://www.scopus.com/inward/record.url?scp=84880259623&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84880259623&partnerID=8YFLogxK
U2 - 10.1016/j.ceramint.2013.03.043
DO - 10.1016/j.ceramint.2013.03.043
M3 - Article
AN - SCOPUS:84880259623
VL - 39
SP - 7831
EP - 7838
JO - Ceramics International
JF - Ceramics International
SN - 0272-8842
IS - 7
ER -