journal article·2024-03

Surface Decoration Manipulating Zn2+/H+ Carrier Ratios for Hyperstable Aqueous Zinc Ion Battery Cathode

Wenhao Liang, Yixuan Che, Zhiyuan Cai, Rongfeng Tang, Zhentao Ma, Xusheng Zheng, Xiaojun Wu, Jun Li, Huile Jin, Changfei Zhu, Tao Chen

Advanced Functional Materials· Volume 34· Issue 13
Publisher page

Abstract

Abstract Aqueous zinc ion batteries (AZIBs) show great prospects in large‐scale energy storage applications, whereas this technology suffers from the lack of cathode materials with high capacity and stability. Here, a cathode material of SbO2 nanoparticles decorated onto the surface of K0.43V6O13 nanobelt is presented. The SbO2 is disclosed as proton‐phile and zinc‐phobic, which thus favors H+ intercalation. In consequence, the increase of H+ intercalation can offset the lattice shrinkage caused by Zn2+ intercalation, and contribute to excellent cyclic stability of the battery. Finally, SbO2/K0.43V6O13 delivers a reversible capacity of 414.2 mAh g−1 at 1 A g−1 after 1000 cycles with a retention of 103%, and 223.5 mAh g−1 at 20 A g−1 after 20 000 cycles with a retention of 89.3%, showing long cycling life at both low current and high current densities. This study provides new insights into the effecting factors for the performance of AZIBs cathode and an effective strategy to improve its stability.
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Research context

OpenAlex topics: Advanced battery technologies research · Thermal Expansion and Ionic Conductivity · Advanced Battery Materials and Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Hefei National Research Center for Physical Sciences at the Microscale CAS Key Laboratory of Materials for Energy Conversion School of Chemistry and Materials Science University of Science and Technology of China Hefei Anhui 230026 P. R. China

Institute of Energy Hefei Comprehensive National Science Center Hefei Anhui 230026 P. R. China

CAS Center for Excellence in Nanoscience University of Science and Technology of China Hefei Anhui 230026 P. R. China

National Synchrotron Radiation Laboratory University of Science and Technology of China Hefei Anhui 230026 P. R. China

Synergetic Innovation of Quantum Information and Quantum Technology University of Science and Technology of China Hefei Anhui 230026 P. R. China

Key Lab of Advanced Energy Storage and Conversion Zhejiang Province Key Lab of Leather Engineering College of Chemistry and Materials Engineering Wenzhou University Wenzhou Zhejiang 325035 China

Zhejiang Engineering Research Center for Electrochemical Energy Materials and Devices Institute of New Materials and Industrial Technologies Wenzhou University Wenzhou Zhejiang 325035 China

Funding

Institute of Energy, Hefei Comprehensive National Science Center · National Natural Science Foundation of China · National Key Research and Development Program of China

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