Issue 24, 2023

High-areal-capacity anode-free all-solid-state lithium batteries enabled by interconnected carbon-reinforced ionic-electronic composites

Abstract

Taking energy density and safety into account, the anode-free all-solid-state lithium battery is a strong candidate to surpass the capabilities of routine lithium-ion batteries. However, achieving uniform stable lithium metal plating under high areal capacity is a grand challenge facing practical applications of lithium metal batteries. We report a high-performance anode-free all-solid-state lithium battery with a current collector consisting of carbon-reinforced ionic-electronic composites. When an interconnected carbon paper is compounded with a solid electrolyte, a three-dimensional ionic-electronic conduction network can be achieved, affording a large number of sites and scalable spaces for the nucleation and growth of lithium metal. The composite layer can achieve a long cycle life (>5000 cycles), stable lithium metal plating with a high areal capacity (>8 mAh cm−2), which is significantly better than that of the copper current collectors for routine anode-free configurations. The application of high-areal-capacity (4 mAh cm−2) pouch cell provides an efficient and effective strategy for practical anode-free all-solid-state lithium batteries.

Graphical abstract: High-areal-capacity anode-free all-solid-state lithium batteries enabled by interconnected carbon-reinforced ionic-electronic composites

Supplementary files

Article information

Article type
Communication
Submitted
07 1月 2023
Accepted
10 2月 2023
First published
10 2月 2023

J. Mater. Chem. A, 2023,11, 12713-12718

High-areal-capacity anode-free all-solid-state lithium batteries enabled by interconnected carbon-reinforced ionic-electronic composites

W. Huang, Z. Liu, P. Xu, W. Kong, X. Huang, P. Shi, P. Wu, C. Zhao, H. Yuan, J. Huang and Q. Zhang, J. Mater. Chem. A, 2023, 11, 12713 DOI: 10.1039/D3TA00121K

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