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Construction and Testing of Coin Cells of Lithium Ion Batteries
Published on: August 2, 2012
Nano-structured phosphorus composite as high-capacity anode materials for lithium batteries
Li Wang1, Xiangming He, Jianjun Li
1Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, PR China.
Angewandte Chemie (International Ed. in English)
|August 7, 2012
Summary
Researchers developed a new composite anode for lithium-ion batteries using red phosphorus adsorbed into porous carbon. This advanced material offers stable cycling and high capacity, improving battery performance.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Lithium-ion batteries are crucial for energy storage.
- Developing advanced anode materials is key to improving battery performance.
- Red phosphorus presents challenges for battery applications due to its properties.
Purpose of the Study:
- To create a novel composite anode material for lithium-ion batteries.
- To enhance the stability and electrochemical performance of red phosphorus.
- To investigate the adsorption of red phosphorus into a porous carbon matrix.
Main Methods:
- Adsorption of red phosphorus into a porous carbon matrix.
- Fabrication of a composite anode material.
- Electrochemical testing to evaluate lithium storage capabilities.
Main Results:
- The composite anode demonstrates highly reversible lithium storage.
- High coulombic efficiencies were achieved.
- A stable cycling capacity of 750 mAh per gram of composite was recorded.
Conclusions:
- The composite anode material shows significant promise for advanced lithium-ion batteries.
- Adsorbing red phosphorus into porous carbon effectively mitigates its drawbacks.
- This approach offers a viable strategy for high-performance energy storage.
