Zehui Xie, Na Chen, Mingjun Zhang, Mingming Wang, Xinhua Zheng, Shuang Liu, Ruihao Luo, Li Song, Yahan Meng, Zaichun Liu, Zhenyu Li* and Wei Chen*,
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Carbonate-Assisted Chaotropic Electrolyte for Zinc Ion Battery with Wide Temperature Operation
The chaotropic salt electrolyte (CSE) has become an effective strategy to activate low-temperature aqueous zinc-ion batteries. However, the Zn battery performance has been largely compromised due to the side reaction of active water molecules in CSE. Herein we design a Zn(BF4)2 in a propylene carbonate–water cosolvent electrolyte that facilitates the zinc plating/stripping in a wide temperature range (−40 to 60 °C). Theoretical and experimental results demonstrate the dual effect of propylene carbonate on regulating the hydrogen bond network and reshaping the Zn2+ solvation structure, bringing the antifreezing property and smooth Zn plating/stripping. Consequently, at −20 °C, the Cu//Zn asymmetric cell can achieve stable cycling for over 4000 h at 0.5 mAh cm–2. At −40 °C, the Zn//tetrachlorobenzoquinone full battery can deliver a reversible specific capacity of 77.9 mAh g–1 after 700 cycles. This work presents an effective strategy for the development of high-performance ZIBs in a wide temperature range.
ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment
CiteScore
31.20
自引率
5.00%
发文量
469
审稿时长
1 months
期刊介绍:
ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format.
ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology.
The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.