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Formation mechanism and characterization of porous biomass carbon for excellent performance lithium-ion batteries
Porous biomass carbon derived from corn stalks was prepared via carbonization and activation of CaCl(2). Combined with its microstructure, the formation mechanism and electrochemical properties were analyzed. The addition of CaCl(2) was the key factor to form the porous structure, and the proportion...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Royal Society of Chemistry
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9079330/ https://www.ncbi.nlm.nih.gov/pubmed/35541229 http://dx.doi.org/10.1039/c8ra02002g |
Sumario: | Porous biomass carbon derived from corn stalks was prepared via carbonization and activation of CaCl(2). Combined with its microstructure, the formation mechanism and electrochemical properties were analyzed. The addition of CaCl(2) was the key factor to form the porous structure, and the proportion of CaCl(2) had a significant impact on the pores distribution and electrochemical properties. The resulting sample had a specific surface area of 370.6 m(2) g(−1) and an average pore size of 9.65 nm. The sample was circulated at 0.2C for 100 cycles, the specific discharge capacity was 783 mA h g(−1). After 60 cycles at different rates, when the current was restored to 0.2C again, the discharge specific capacity quickly recovered. This showed that the sample had excellent rate performance and cycle stability for lithium-ion batteries. |
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