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Fabrication of 3D Carbon Microelectromechanical Systems C-MEMS
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Hard Carbon Derived From Different Precursors for Sodium Storage
Wanli Wang1, Bin Wang1, Yuqi Li1
1State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, China.
Chemistry, an Asian Journal
|March 6, 2024
Summary
Sodium-ion batteries (SIBs) offer a sustainable alternative to lithium-ion batteries (LIBs). This review explores how different precursors influence hard carbon (HC) structure and performance for SIBs.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Sodium-ion batteries (SIBs) are a promising grid-scale energy storage solution due to abundant resources.
- Hard carbon (HC) is a critical component in SIBs, but its complex microstructure hinders understanding of structure-performance relationships.
- Developing low-cost HC from abundant precursors is crucial for SIB commercialization.
Purpose of the Study:
- To review recent advancements in preparing hard carbons (HCs) from various precursors (biomass, polymers, fossil fuels).
- To analyze the influence of precursor choice on the structural evolution of HCs.
- To summarize the structure-performance relationships of HCs for sodium storage and compare precursor advantages.
Main Methods:
- Literature review of HC preparation methods from diverse precursors.
- Analysis of the impact of precursor type on HC structural characteristics (e.g., graphene layer stacking, porosity).
- Comparison of HC performance in SIBs based on their origin and structural features.
Main Results:
- Precursor selection significantly impacts HC microstructure, including turbostratic stacking, pore structure, and defects.
- Understanding these structure-property correlations is key to optimizing HC for sodium storage.
- Biomass, polymers, and fossil fuels offer distinct pathways to tailored HC materials.
Conclusions:
- The choice of precursor is a primary determinant for tailoring HC properties for efficient sodium-ion batteries.
- Further research should focus on structure-property optimization and cost-effective precursor utilization.
- This review provides guidelines for precursor selection and highlights future research directions for advanced HC materials.
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