A room temperature rechargeable Li-LiNO3 battery with high capacity
Zhengqiang Hu1, Fengling Zhang1, Feng Wu1,2,3
1Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China.
Researchers developed novel Lithium-Nitrate batteries (LNBs) using nitrate in electrolytes as active materials. These batteries offer high areal capacity and stable cycling, presenting a promising alternative for advanced energy storage.
Area of Science:
- Electrochemistry
- Materials Science
- Energy Storage
Background:
- Lithium-ion batteries (LIBs) are advanced energy storage technologies.
- Specific capacity in LIBs is limited by cathode active materials.
Purpose of the Study:
- To report novel Lithium-Nitrate batteries (LNBs) utilizing nitrate in electrolytes.
- To explore LNBs as high-capacity energy storage solutions.
Main Methods:
- Investigated LNBs with LiNO3 in electrolyte acting as active material and ion conductor.
- Operated LNBs at room temperature on a reversible redox reaction between NO3- and NO2-.
Main Results:
- Achieved an impressive areal capacity of 19 mAh cm-2 at a plateau voltage of 1.75 V.
- Demonstrated stable cycling performance with a pouch cell capacity of 100 mAh.
Conclusions:
- LNBs show potential for high-capacity energy storage.
- The LiNO3 electrolyte system offers a novel approach for battery development.
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