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Updated: Jun 28, 2026
10:03
Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
Published on: November 11, 2013
Novel MOF-Derived Core-Shell Bismuth Anode Enabling Fast and Durable Lithium Storage
Yanping Xiang1, Wanda Kang1, Wengao Zhang1
1State Key Laboratory of Quantum Materials, Department of Materials Science and Engineering, Guangdong Provincial Key Laboratory of Functional Oxide Materials and Devices, Southern University of Science and Technology, Shenzhen, Guangdong, China.
Small (Weinheim an Der Bergstrasse, Germany)
|June 26, 2026
Summary
A novel bismuth/carbon core-shell anode (Bi/C@C) derived from metal-organic frameworks (MOFs) enables fast charging and long-lasting lithium-ion batteries (LIBs). This advanced anode material significantly improves energy storage performance and durability.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Lithium-ion batteries (LIBs) are crucial for portable electronics and grid storage.
- Advancement of LIBs is limited by the need for faster-charging, durable anode materials.
- Metal-organic frameworks (MOFs) offer potential as anode materials due to their porous structures.
Purpose of the Study:
- To develop a novel anode material for LIBs with enhanced fast-charging and cycling stability.
- To investigate the performance of a unique Bi/C@C core-shell structure derived from MOFs.
- To understand the electrochemical behavior and structural advantages of the novel anode.
Main Methods:
- Synthesis of a Bi/C@C core-shell anode using a MOF-derived approach.
- Electrochemical characterization including rate capability and cycling stability tests.
- Density Functional Theory (DFT) calculations to analyze lithium-ion adsorption and reaction barriers.
Main Results:
- The Bi/C@C anode demonstrated rapid lithium storage (275 mAh g-1 at 5000 mA g-1) and excellent cycling stability (85% retention over 2000 cycles).
- The core-shell structure facilitated efficient ion/charge transport and mechanical buffering.
- DFT calculations confirmed strong Li-ion adsorption and low energy barriers, enhancing kinetics.
- A full cell utilizing Bi/C@C exhibited high rate capacity (183 mAh g-1 at 20 C) and stability (86% retention after 100 cycles).
Conclusions:
- The 3D porous core-shell Bi/C@C anode is a highly promising material for high-performance LIBs.
- This MOF-derived structure addresses key limitations in anode material development.
- The findings contribute significantly to advancing energy storage technologies.
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