Cited by 426Advanced battery technologies researchAdvancements in Battery MaterialsAdvanced Battery Materials and Technologies

Aqueous Batteries Operated at −50 °C

Nian, Qingshun, Wang, Jiayue, Liu, Shuang, Sun, Tianjiang, Zheng, Shibing, Zhang, Yan, Tao, Zhanliang, Chen, Jun·2019·Angewandte Chemie International Edition

Abstract

Insufficient ionic conductivity and freezing of the electrolyte are considered the main problems for electrochemical energy storage at low temperatures (low T). Here, an electrolyte with a freezing point lower than −130 °C is developed by using dimethyl sulfoxide (DMSO) as an additive with molar fraction of 0.3 to an aqueous solution of 2 m NaClO 4 (2M‐0.3 electrolyte). The 2M‐0.3 electrolyte exhibits sufficient ionic conductivity of 0.11 mS cm −1 at −50 °C. The combination of spectroscopic investigations and molecular dynamics (MD) simulations reveal that hydrogen bonds are stably formed between DMSO and water molecules, facilitating the operation of the electrolyte at ultra‐low T. Using DMSO as the electrolyte additive, the aqueous rechargeable alkali‐ion batteries (AABs) can work well even at −50 °C. This work provides a simple and effective strategy to develop low T AABs.

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Crossref · 10.1002/anie.201908913

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  • Tao's group designed an ultralow freezing point electrolyte using DMSO as additive at 0.3 molar fraction, enabling a capacity retention of 60% of room-temperature capacity at -50 °C.

    “Tao's group [81] designed an ultralow freezing point electrolyte using DMSO as additive with 0.3 molar fraction, enabling a capacity retention as high as 60% of its RT capacity at -50 °C.”

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Authors
Nian, Q., Wang, J., Liu, S., Sun, T., Zheng, S., Zhang, Y., Tao, Z., & Chen, J.
Affiliations
  • Nankai University (CN)
  • Dalian Institute of Chemical Physics (CN)
  • Shandong University (CN)
Corresponding author
Tao, Zhanliang
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-10-15
Volume
58
Issue
47
Pages
16994-16999
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2974348764
Cited by
426
References
0
Citations by year
2026: 32 · 2025: 59 · 2024: 99 · 2023: 70 · 2022: 74 · 2021: 59 · 2020: 32 · 2019: 1
FWCI
2.10
Type
journal article
Language
en
Open access
closed
Locations
  • Angewandte Chemie International Edition (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (51771094,21835004)
  • Ministry of Education (B12015 and IRT13R30)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced battery technologies research
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Battery Materials and Technologies
Keywords
aqueous batteries, low-temperature batteries, NaClO4 electrolyte, ionic conductivity, hydrogen bonding, alkali-ion batteries, molecular dynamics simulation, electrochemical energy storage

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