AI Article Synopsis
- Polyanionic structures like (MO) can enhance lithium ion transport due to their open, three-dimensional frameworks, but unstable interfaces limit the lifespan of (MO)-based anodes.
- This study introduces MnWO@C nanorods, created using hydrothermal and chemical deposition methods, which demonstrate improved cycling and rate performance in lithium-ion batteries compared to MnWO alone.
- The MnWO@C anode maintains a capacity of 718 mAh/g at 1000 mA/g after 400 cycles, benefiting from increased lithium ion transport, pseudo-capacitance, a protective carbon shell, and an electrolyte additive (FEC) that further enhances performance.
Article Abstract
Polyanionic structures, (MO) can be beneficial to the transport of lithium ions by virtue of the open three-dimensional frame structure. However, an unstable interface suppresses the life of the (MO)-based anode. In this study, MnWO@C nanorods with dense nanocavities have been synthesized through a hydrothermal route, followed by a chemical deposition method. As a result, the MnWO@C anode exhibits better cycle and rate performance than MnWO as a Li-ion battery; the capacity is maintained at 718 mAh g at 1000 mA g after 400 cycles because the transport of lithium ions and the contribution of pseudo-capacitance are increased. Generally, benefiting from the carbon shell and electrolyte additive (e.g., FEC), the cycle performance of the MnWO@C electrode is also effectively improved for lithium storage.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11478062 | PMC |
| http://dx.doi.org/10.3390/ma17194682 | DOI Listing |
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