Preferred crystal plane electrodeposition of aluminum anode with high lattice-matching for long-life aluminum batteries

Shixin Wang, Yuan Guo, Xianfeng Du (), Lilong Xiong, Zhongshuai Liang, Mingbo Ma, Yuehong Xie, Wenzhi You, Yi Meng, Yifan Liu and Mingxia Liu
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Shixin Wang: Xi’an Jiaotong University
Yuan Guo: Xi’an Jiaotong University
Xianfeng Du: Xi’an Jiaotong University
Lilong Xiong: Xi’an Jiaotong University
Zhongshuai Liang: Xi’an Jiaotong University
Mingbo Ma: Xi’an Jiaotong University
Yuehong Xie: Xi’an Jiaotong University
Wenzhi You: Xi’an Jiaotong University
Yi Meng: Xi’an Jiaotong University
Yifan Liu: Xi’an Jiaotong University
Mingxia Liu: Xi’an Jiaotong University

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract Aluminum batteries have become the most attractive next-generation energy storage battery due to their advantages of high safety, high abundance, and low cost. However, the dendrite problem associated with inhomogeneous electrodeposition during cycling leads to low Coulombic efficiency and rapid short-circuit failure of the aluminum metal anode, which severely hampers the cycling stability of aluminum battery. Here we show an aluminum anode material that achieves high lattice matching between the substrate and the deposit, allowing the aluminum deposits to maintain preferred crystal plane growth on the substrate surface. It not only reduces the nucleation barrier of aluminum and decreases electrode polarization, but also enables uniform deposition of aluminum, improving the cycling stability of aluminum batteries. Aluminum anode with (111) preferred crystal plane can stably 25000 cycles at the current density of 5 A·g−1, with a capacity retention rate of over 80%.

Date: 2024
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DOI: 10.1038/s41467-024-50723-0

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