Construct a Quasi‐High‐Entropy Interphase for Advanced Low‐Temperature Aqueous Zinc‐Ion Battery
Source abstract
Abstract
Abstract The advancement of aqueous zinc‐ion batteries (AZIBs) faces significant obstacles due to the typically loose and unstable solid electrolyte interphase (SEI), which fosters dendrite formation and undermines cycling performance, especially in cold environments. Here, a quasi‐high‐entropy solid electrolyte interphase (QHE‐SEI) formulated is introduced with diverse and functional inorganic compounds, achieved through the incorporation of dual salts and a blend of solvents. Shielded by the QHE‐SEI, AZIBs exhibit uniform zinc deposition and attain remarkable cycling stability, enduring for 1300 h in Zn||Zn symmetric cells under conditions of 3 mA cm−2 and 3 mAh cm−2 at room temperature. Furthermore, the full cell maintains over 4300 cycles at −20 °C with nearly full capacity retention. Notably, the pouch cell maintains a high capacity of ≈25 mAh across 50 cycles, even at −20 °C. This study offers a novel approach to designing a stable SEI and elevates the performance of AZIBs.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced battery technologies research · Perovskite Materials and Applications · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Physics and Electronics Hunan University Changsha 410082 P. R. China
Greater Bay Area Institute for Innovation Hunan University Guangzhou Guangdong 511300 P. R. China
College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China
Department of Physics University of Science and Technology of China Hefei 230026 P. R. China
School of Materials Science and Engineering Central South University Changsha 410083 P. R. China
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body Hunan University Changsha 410082 P. R. China
Funding
Basic and Applied Basic Research Foundation of Guangdong Province · National Natural Science Foundation of China · Natural Science Foundation of Hunan Province
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