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Ice as Solid Electrolyte To Conduct Various Kinds of Ions
Author(s) -
Guo Zeliang,
Wang Tianshuai,
Wei Hehe,
Long Yuanzheng,
Yang Cheng,
Wang Dong,
Lang Jialiang,
Huang Kai,
Hussain Naveed,
Song Chenxi,
Guan Bo,
Ge Binghui,
Zhang Qianfan,
Wu Hui
Publication year - 2019
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201907832
Subject(s) - electrolyte , ionic bonding , electrochemistry , ion , ionic conductivity , phase (matter) , conductor , materials science , phase transition , solid state , ionic liquid , inorganic chemistry , chemical physics , chemistry , chemical engineering , thermodynamics , physics , electrode , organic chemistry , engineering , composite material , catalysis
Water, considered as a universal solvent to dissolve salts, has been extensively studied as liquid electrolyte in electrochemical devices. The water/ice phase transition at around 0 °C presents a common phenomenon in nature, however, the chemical and electrochemical behaviors of ice have rarely been studied. Herein, we discovered that the ice phase provides efficient ionic transport channels and therefore can be applied as generalized solid‐state ionic conductor. Solid state ionic conducting ices (ICIs) of Li + , Na + , Mg 2+ , Al 3+ , K + , Mn 2+ , Fe 2+ , Co 2+ , Ni 2+ , Cu 2+ , and Zn 2+ , frozen from corresponding sulphate solutions, exhibit ionic conductivities ranging from ≈10 −7 S cm −1 (Zn 2+ ) to ≈10 −3 S cm −1 (Li + ) at temperatures spanning from −20 °C to −5 °C. The discovery of ICIs opens new insight to design and fabrication of solid‐state electrolytes that are simple, inexpensive, and versatile.