Room-temperature liquid metal-based anodes for high-energy potassium-based electrochemical devices†,Chemical Communications

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Room-temperature liquid metal-based anodes for high-energy potassium-based electrochemical devices†
Chemical Communications ( IF 4.9 ) Pub Date : 2018-06-14 00:00:00 , DOI: 10.1039/c8cc03545h
Lei Qin _{1,

2,

3,

4,

5} , Wei Yang _{1,

2,

3,

4,

5} , Wei Lv _{1,

2,

3,

4,

5} , Liang Liu _{4,

6,

7,

8,

9} , Yu Lei _{1,

2,

3,

4,

5} , Wei Yu _{1,

2,

3,

4,

5} , Feiyu Kang _{1,

2,

3,

4,

5} , Jang-Kyo Kim _{9,

10,

11,

12} , Dengyun Zhai _{1,

2,

3,

4,

5} , Quan-Hong Yang _{9,

13,

14,

15}

Affiliation

Engineering Laboratory for Functionalized Carbon Materials
Shenzhen Key Laboratory for Graphene-Based Materials
Graduate School at Shenzhen
Tsinghua University
Shenzhen 518055
Department of Physics
Tsinghua-Foxconn Nanotechnology Research Center
Beijing 100084
China
Department of Mechanical and Aerospace Engineering
The Hong Kong University of Science and Technology
Kowloon
School of Chemical Engineering and Technology
Tianjin University
Tianjin 300072

A liquid Na–K alloy is adsorbed onto a super-aligned carbon nanotube membrane (denoted CM) at room temperature, which is driven by capillary force, fabricating a flexible CM@NaK membrane. The anode directly using the CM@NaK membrane exhibits a smooth electrode–electrolyte (liquid–liquid) interface, contributing to fast ion transport and a dendrite-free stripping/plating process.

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