Controlled lithium plating in three-dimensional hosts through nucleation overpotential regulation toward high-areal-capacity lithium metal anode
文献类型：期刊论文
| 作者 | Zhang, S.; Deng, W.; Zhou, X.; He, B.; Liang, J.; Zhao, F.; Guo, Q.; Liu, Z. |
| 刊名 | MATERIALS TODAY ENERGY
 |
| 出版日期 | 2021 |
| 卷号 | 21 |
| 关键词 | CURRENT COLLECTOR GRAPHENE OXIDE CU FOAM ELECTROLYTE PERFORMANCE DEPOSITION |
| 英文摘要 | Three-dimensional (3D) porous hosts with abundant space inside can accommodate volume variation during lithium (Li) plating/stripping and promote reversibility of Li anode; however, the porous structure in 3D hosts usually induces uneven Li-ion/electron migration, giving rise to undesirable surface preferential Li nucleation and growth. A feasible coating strategy is developed herein to create gradient nucleation overpotentials on Cu mesh to realize the 'bottom-up' Li plating mode on 3D host. The ex-situ scanning electron microscopy (SEM) characterization confirms that this two-step coating strategy by coating Au and polymer blend (polyacrylonitrile and poly(vinylidene fluoride-co-hexafluoropropylene)) on the bottom and top sides of Cu mesh, respectively, successfully changes the nucleation overpotentials of this 3D host by altering Li affinity. As a result, stable Li plating/stripping and high coulombic efficiency of 97.3% can be achieved under high areal capacity of 5.0 mAh/cm(2). The full cell using the modified Cu mesh with predeposited Li as the anode and lithium iron phosphate as the cathode (N/P ratio of similar to 4) can cycle steadily at 2.0 C with a capacity retention ratio of 96.4% after 150 cycles. The modification strategy proposed in this work is considered as a promising approach for designing a 3D conductive host for long life and safe Li metal batteries. (C) 2021 Elsevier Ltd. All rights reserved. |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/21520]  |
| 专题 | 2021专题_期刊论文 |
| 作者单位 | 1.Liu, Z (corresponding author), Chinese Acad Sci, Adv Liion Battery Engn Lab Zhejiang Prov, Ningbo Inst Mat Technol & Engn, Zhejiang 315201, Peoples R China. 2.Zhou, X 3.Liu, Z (corresponding author), Chinese Acad Sci, Key Lab Graphene Technol & Applicat Zhejiang Prov, Zhejiang 315201, Peoples R China. 4.Liu, Z (corresponding author), Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Zhang, S.,Deng, W.,Zhou, X.,et al. Controlled lithium plating in three-dimensional hosts through nucleation overpotential regulation toward high-areal-capacity lithium metal anode[J]. MATERIALS TODAY ENERGY,2021,21. |
| APA | Zhang, S..,Deng, W..,Zhou, X..,He, B..,Liang, J..,...&Liu, Z..(2021).Controlled lithium plating in three-dimensional hosts through nucleation overpotential regulation toward high-areal-capacity lithium metal anode.MATERIALS TODAY ENERGY,21. |
| MLA | Zhang, S.,et al."Controlled lithium plating in three-dimensional hosts through nucleation overpotential regulation toward high-areal-capacity lithium metal anode".MATERIALS TODAY ENERGY 21(2021). |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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