Fact Snapshot
- Paper: Microwave hydrothermal renovating and reassembling spent lithium cobalt oxide for lithium-ion battery
- Equipment: XH-600 and XH-800S
- Source: Waste Management, 2022
- Research direction: spent lithium-ion battery recycling, direct cathode regeneration, microwave hydrothermal repair, and high-rate lithium cobalt oxide materials
- Core conditions: Temperature 220 ℃ and Time 120 min / 4 h / 45 min
- Key results: High-rate retention 92.1%, Capacity retention 94.5%, Cycle retention 87.3%, and Initial discharge capacity 151.5 mAh g-1
Research Abstract
Microwave hydrothermal renovating and reassembling spent lithium cobalt oxide for lithium-ion battery was published in Waste Management (2022) and is indexed as a Xianghu Q1 application case for XH-600 and XH-800S. The source record connects it with spent lithium-ion battery recycling, direct cathode regeneration, microwave hydrothermal repair, and high-rate lithium cobalt oxide materials. Core operating conditions include Temperature 220 ℃ and Time 120 min / 4 h / 45 min. Key reported results include High-rate retention 92.1%, Capacity retention 94.5%, Cycle retention 87.3%, and Initial discharge capacity 151.5 mAh g-1.
Research Background and Problem
Equipment Use and Experimental Conditions
| Item | Parameter |
|---|---|
| Temperature | 220 ℃ |
| Time | 120 min / 4 h / 45 min |
Key Result
| Metric | Result |
|---|---|
| High-rate retention | 92.1% |
| Capacity retention | 94.5% |
| Cycle retention | 87.3% |
| Discharge capacity | 141.7 mAh g-1 |
| Discharge capacity | 153.8 mAh g-1 |
| Initial discharge capacity | 151.5 mAh g-1 |
Evidence Details
Ultrasonic-method evidence: source values include 2 g, 50 mL, 100 mL, 220 °C, 120 min, 5 °C, 800 °C, 4 h. Entities: XH-800G, N-methyl-2-pyrrolidone, M-30, AM-30.
The discharge capacity is still up to 143.2 mAh g−1 after 100 cycles, and the cycle retention rate is as high as 94.5%, which is better than that of commercial lithium cobalt oxide (87.3%), AHLCOE (80.7%).
Microwave-method evidence: source values include 45 min, 220 °C, 4 h.
Particle-size evidence: source values include 45 min, 12.03 ± 1.08 μm, 120 min. Entities: AM-45.
Additional source evidence: source values include 92.1%, 89.7%, 88.3%. Entities: AM-45.
Mechanism / Method Highlights
- Method context: Temperature 220 ℃ and Time 120 min / 4 h / 45 min.
- Ultrasonic-method evidence: source values include 2 g, 50 mL, 100 mL, 220 °C, 120 min, 5 °C, 800 °C, 4 h. Entities: XH-800G, N-methyl-2-pyrrolidone, M-30, AM-30
- Source evidence: The discharge capacity is still up to 143.2 mAh g−1 after 100 cycles, and the cycle retention rate is as high as 94.5%, which is better than that of commercial lithium cobalt oxide (87.3%), AHLCOE (80.7%)
- Microwave-method evidence: source values include 45 min, 220 °C, 4 h
- Reported outcome: High-rate retention 92.1%, Capacity retention 94.5%, Cycle retention 87.3%, and Initial discharge capacity 151.5 mAh g-1.
Application Value
- Positions XH-600 and XH-800S in a peer-reviewed Q1 research application.
- Highlights quantitative evidence: High-rate retention 92.1%, Capacity retention 94.5%, and Cycle retention 87.3%.
- Records source affiliations: Central South University and School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China.
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Microwave hydrothermal renovating and reassembling spent lithium cobalt oxide for lithium-ion battery
Waste Management, 2022
DOI: 10.1016/j.wasman.2022.02.024