3D lithiophilic-lithiophobic-lithiophilic dual-gradient porous skeleton for highly stable lithium metal anode - Details

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Abstract：

The　lithium　metal　anode　has　been　considered　the　most　promising　anode　in　rechargeable　batteries　to　meet　the　ever-increasing　requirements　of　high　energy　density.　Herein,　a　3D　porous　lithiophilic-lithiophobic-lithiophilic　dual-gradient　Cu-Au-ZnO-PAN-ZnO　(CAZPZ)　current　collector　is　fabricated　to　suppress　Li　dendrite　growth.　The　lithiophilic　Au　and　ZnO　at　the　bottom　are　favorable　for　homogeneous　Li　nucleation,　the　ZnO-PAN-ZnO　skeleton　provides　plenty　of　space　to　accommodate　deposited　Li　and　the　lithiated　ZnO　(Li2O/LixZn)　layer　can　act　as　an　artificial　SEI　to　regulate　the　well-distributed　Li+　flux.　As　a　result,　long-term　stabilization　for　1200　h　at　0.5　mA　cm-2　and　a　low　overpotential　of　22　mV　at　3　mA　cm-2　are　achieved　in　symmetric　cells.　Moreover,　the　CAZPZ-Li　hybrid　anode　exhibits　superb　electrochemical　properties　when　matched　with　a　LiFePO4　(LFP)　cathode.　The　CAZPZ-Li‖LFP　full　cells　exhibit　excellent　stabilization　for　1000　cycles　at　5C　with　a　high　capacity　retention　of　97.3%.　The　lithiophilic-lithiophobic-lithiophilic　dual-gradient　design　of　the　3D　porous　current　collector　for　the　Li　metal　anode　can　be　a　very　promising　strategy　to　enable　the　practical　application　of　Li　metal　batteries.　©　2019　The　Royal　Society　of　Chemistry.

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[ 1 ] [Zheng, H.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 2 ] [Zhang, Q.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 3 ] [Chen, Q.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 4 ] [Xu, W.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 5 ] [Xie, Q.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 6 ] [Cai, Y.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 7 ] [Ma, Y.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 8 ] [Qiao, Z.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 9 ] [Luo, Q.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 10 ] [Lin, J.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 11 ] [Wang, L.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China
[ 12 ] [Qu, B.]Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen, 361005, China
[ 13 ] [Sa, B.]Multiscale Computational Materials Facility, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350100, China
[ 14 ] [Peng, D.-L.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen University, Xiamen, 361005, China

Reprint 's Address：

[Xie, Q.]Department of Materials Science and Engineering, State Key Lab of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials, Xiamen UniversityChina

Email：

xieqsh@xmu.edu.cn

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Source ：

Journal of Materials Chemistry A

ISSN： 2050-7488

Year： 2020

Issue： 1

Volume： 8

Page： 313-322

1 2 . 7 3 2

JCR@2020

1 0 . 8 0 0

JCR@2023

ESI HC Threshold：196

JCR Journal Grade：1

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 88

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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