Fact Snapshot
- Paper: Microwave-assisted preparation and improvement mechanism of carbon nanotube@NiMn2O4 core-shell nanocomposite for high performance asymmetric supercapacitors
- Equipment: XH-800S
- Source: Journal of Power Sources, 2020
- Research direction: NiMn₂O₄
- Core conditions: Temperature 160°C / 180°C / 80°C, Microwave power 800 W, and Time 1 h / 2 h / 8 h
- Key results: Capacity retention 93.0%, Capacity retention 82.8%, and Cycle retention 82.8%
Research Abstract
Microwave-assisted preparation and improvement mechanism of carbon nanotube@NiMn2O4 core-shell nanocomposite for high performance asymmetric supercapacitors was published in Journal of Power Sources (2020) and is indexed as a Xianghu Q1 application case for XH-800S. The structured source links this paper to NiMn₂O₄. Core operating conditions include Temperature 160°C / 180°C / 80°C, Microwave power 800 W, and Time 1 h / 2 h / 8 h. Key reported results include Capacity retention 93.0%, Capacity retention 82.8%, and Cycle retention 82.8%. The DOI recorded for this paper is 10.1016/j.jpowsour.2020.228609.
Research Background and Problem
Equipment Use and Experimental Conditions
| Item | Parameter |
|---|---|
| Temperature | 160°C / 180°C / 80°C |
| Microwave power | 800 W |
| Time | 1 h / 2 h / 8 h |
Key Result
| Metric | Result |
|---|---|
| Capacity retention | 93.0% |
| Capacity retention | 82.8% |
Evidence Details
Equipment-detail evidence: source values include 1:2.
0.66 mmol KMnO₄, 0.33 mmol Ni(NO₃)₂·6H₂O, 5 mmol CO(NH₂)₂, and 2 mmol NH₄F were dissolved in 30 mL deionized water... heated at 160°C for 1 h.
The microwave-assisted hydrothermal synthesis was conducted in an XH-800G microwave hydrothermal reactor (Beijing Xianghu Science and Technology Development Co., Ltd., China) at 160°C for 1 h with a power of 800 W.
Composition evidence: source values include 800 W, 1 h, 12 h, 12fold, 93.0%.
The CNT@NMO electrode exhibited a high specific capacitance of 915.6 F/g at 1 A/g... The assembled CNT@NMO//AC ASC device delivered a maximum energy density of 36.5 Wh/kg at a power density of 800 W/kg and exhibited 82.8% capacitance retention after 10000 cycles.
Additional source evidence: source values include 95%, 8-20 nm, 5-30 μm.
Additional source evidence: source values include 50 mL, 180°C, 2 h.
Temperature: 160°C / 180°C / 80°C
Time: 1 h / 2 h / 8 h
Additional source evidence: source values include 20 mg, 10 mL.
Additional source evidence: source values include 450°C, 2 h.
Additional source evidence: source values include 70°C, 8 h.
Mechanism / Method Highlights
- Method context: Temperature 160°C / 180°C / 80°C, Microwave power 800 W, and Time 1 h / 2 h / 8 h.
- Equipment-detail evidence: source values include 1:2
- Source evidence: 0.66 mmol KMnO₄, 0.33 mmol Ni(NO₃)₂·6H₂O, 5 mmol CO(NH₂)₂, and 2 mmol NH₄F were dissolved in 30 mL deionized water... heated at 160°C for 1 h
- Instrument-role evidence: The microwave-assisted hydrothermal synthesis was conducted in an XH-800G microwave hydrothermal reactor (Beijing Xianghu Science and Technology Development Co., Ltd., China) at 160°C for 1 h with a power of 800 W
- Reported outcome: Capacity retention 93.0%, Capacity retention 82.8%, and Cycle retention 82.8%.
Application Value
- Positions XH-800S in a peer-reviewed Q1 research application.
- Highlights quantitative evidence: Capacity retention 93.0%, Capacity retention 82.8%, and Cycle retention 82.8%.
- Records source affiliations: Dalian Maritime University and School of Transportation Engineering, Dalian Maritime University, Dalian 116026, China.
Related Equipment
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Microwave-assisted preparation and improvement mechanism of carbon nanotube@NiMn2O4 core-shell nanocomposite for high performance asymmetric supercapacitors
Journal of Power Sources, 2020
DOI: 10.1016/j.jpowsour.2020.228609