Coupling a Three-Dimensional Nanopillar and Robust Film to Guide Li-Ion Flux for Dendrite-Free Lithium Metal Anodes

Liao，Kemeng1; Li，Zhiqiang1; Gu，Shuai1,2; Li，Yingzhi1; Kong，Long1; Qin，Ning1,2; Huang，He1; Wu，Sisi1; Chen，Jingjing1; Gan，Qingmeng1; Zhang，Kaili2; Lu，Zhouguang1

2021

10.1021/acsami.1c10913

ACS Applied Materials & Interfaces   影响因子和分区

1944-8244

1944-8252

Lithium metal batteries with high theoretical capacity critically suffer from low cycling stability and safety issues mostly due to lithium dendrites. Regulating the Li-ion conduction and Li deposition is essential to achieve dendritic-free Li metal anodes. Herein, a synergistic strategy that combines a 3D nanocopper layer and a robust polymer protective layer is proposed. The 3D nanocopper layer in situ formed on the Li surface could achieve a uniform electric field distribution and contribute to reducing the nucleation barrier for Li deposition and refining the grain size of Li crystallites. Meanwhile, the Li-Nafion film with high Li-ion conductivity and good flexibility was used as a protective layer to provide homogeneous ion distribution and adapt to the volume change during the Li deposition. Consequently, the NCuLi∥LiCoO2 full cells exhibited outstanding cycling stability (a capacity retention of 90% over 500 cycles). Our results indicate that the synergistic control of Li-ion conduction and Li deposition is a promising method to achieve dendritic-free Li metal anodes.

3D nanocopper layer Li dendrite Li deposition Li metal anodes Li-ion conduction Li-Nafion

SCI ; EI

英语

第一 ; 通讯

Basic Research Project of the Science and Technology Innovation Commission of Shenzhen[JCYJ20200109141640095] ; Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials[ZDSYS20200421111401738] ; Leading Talents of Guangdong Province Program[2016LJ06C536] ; Guangdong-Hong Kong-Macao Joint Laboratory[2019B121205001] ; National Natural Science Foundation of China[21875097] ; Special Funds for the Cultivation of Guangdong College Students' Scientific and Technological Innovation[pdjh 2021c0005] ; Hong Kong Research Grants Council[CityU 11218420]

Science & Technology - Other Topics ; Materials Science

Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000703995900028

AMER CHEMICAL SOC

20214010972010

Anodes ; Deposition ; Electric fields ; Ions ; Lithium-ion batteries ; Metals

Electricity: Basic Concepts and Phenomena:701.1 ; Electron Tubes:714.1 ; Chemical Operations:802.3 ; Crystalline Solids:933.1

2-s2.0-85116028884

Scopus

1.Department of Materials Science and Engineering,Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials,Guangdong-Hong Kong-Macao Jt. Lab. for Photonic-Thermal-Electrical Energy Materials and Devices,Southern University of Science and Technology,Guangdong,Shenzhen,518055,China
2.Department of Mechanical Engineering,City University of Hong Kong,Hong Kong,Kowloon,999077,Hong Kong

Liao，Kemeng,Li，Zhiqiang,Gu，Shuai,et al. Coupling a Three-Dimensional Nanopillar and Robust Film to Guide Li-Ion Flux for Dendrite-Free Lithium Metal Anodes[J]. ACS Applied Materials & Interfaces,2021,13(38):45416-45425.

Liao，Kemeng.,Li，Zhiqiang.,Gu，Shuai.,Li，Yingzhi.,Kong，Long.,...&Lu，Zhouguang.(2021).Coupling a Three-Dimensional Nanopillar and Robust Film to Guide Li-Ion Flux for Dendrite-Free Lithium Metal Anodes.ACS Applied Materials & Interfaces,13(38),45416-45425.

Liao，Kemeng,et al."Coupling a Three-Dimensional Nanopillar and Robust Film to Guide Li-Ion Flux for Dendrite-Free Lithium Metal Anodes".ACS Applied Materials & Interfaces 13.38(2021):45416-45425.