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Wang K, Fan X, Chen S, Deng J, Zhang L, Jing M, Li J, Gou L, Li D, Ma Y. 3D Co-Doping α-Ni(OH) 2 Nanosheets for Ultrastable, High-Rate Ni-Zn Battery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206287. [PMID: 36504264 DOI: 10.1002/smll.202206287] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/18/2022] [Indexed: 06/17/2023]
Abstract
The α-Ni(OH)2 is regarded as one promising cathode for aqueous nickel-zinc batteries due to its high theoretical capacity of ≈480 mAh g-1 , its practical deployment however suffers from the poor stability in strong alkaline solution, intrinsic low electrical conductivity as well as the retarded ionic diffusion. Herein, a 3D (three dimensional) macroporous α-Ni(OH)2 nanosheets with Co doping is designed through a facile and easily scalable electroless plating combined with electrodeposition strategy. The unique micrometer-sized 3D pores come from Ni substrate and rich voids between Co-doping α-Ni(OH)2 nanosheets can synergistically afford facile, interconnected ionic diffusion channels, sufficient free space for accommodating its volume changes during cycling; meanwhile, the Co-doping can stabilize the structural robustness of the α-Ni(OH)2 in the alkaline electrolyte during cycling. Thus, the 3D α-Ni(OH)2 shows a high capacity of 284 mAh g-1 at 0.5 mA cm-2 with an excellent retention of 78% even at 15 mA cm-2 , and more than 2000 stable cycles at 6 mA cm-2 , as well as the robust cycling upon various flexible batteries. This work provides a simple and efficient pathway to enhance the electrochemical performance of Ni-Zn batteries through improving ionic transport kinetics and stabilizing crystal structure of cathodes.
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Affiliation(s)
- Kaixin Wang
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Xiaoyong Fan
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Shengjie Chen
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Junkai Deng
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Lulu Zhang
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Maosen Jing
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Julong Li
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Lei Gou
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Donglin Li
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Yue Ma
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, China
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2
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Lu B, Yuan Y, Bao Y, Zhao Y, Song Y, Zhang J. Mechanics-based design of lithium-ion batteries: a perspective. Phys Chem Chem Phys 2022; 24:29279-29297. [PMID: 36268731 DOI: 10.1039/d2cp03301a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
From the overall framework of battery development, the battery structures have not received enough attention compared to the chemical components in batteries. The mechanical-electrochemical coupling behavior is a starting point for investigation on battery structures and the subsequent battery design. This perspective systematically reviews the efforts on the mechanics-based design for lithium-ion batteries (LIBs). Two typical types of mechanics-based LIB designs, namely the design at the preparation stage and that at the cycling stage, have been discussed, respectively. The former systemizes the structure design of multiscale battery components from the particle level to the cell level. The latter focuses on the external mechanics-related control, including external pressures and charge-discharge protocols, of in-service LIBs. Moreover, the general problems currently being faced in the mechanics-based LIB design are summarized, followed by the outlook of possible solutions.
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Affiliation(s)
- Bo Lu
- Department of Mechanics, Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, China. .,Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai University, Shanghai 200444, China.,Zhejiang Laboratory, Hangzhou 311100, China
| | - Yanan Yuan
- Department of Mechanics, Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, China. .,Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai University, Shanghai 200444, China
| | - Yinhua Bao
- Department of Mechanics, Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, China. .,Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai University, Shanghai 200444, China
| | - Yanfei Zhao
- Zhejiang Laboratory, Hangzhou 311100, China.,Department of Civil Engineering, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, China
| | - Yicheng Song
- Department of Mechanics, Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, China. .,Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai University, Shanghai 200444, China
| | - Junqian Zhang
- Department of Mechanics, Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai University, Shanghai 200444, China. .,Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai University, Shanghai 200444, China.,Zhejiang Laboratory, Hangzhou 311100, China
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Fan H, Liu C, Lan G, Mao P, Zheng R, Wang Z, Liu Y, Sun H. Uniform carbon coating mediated multiphase interface in submicron sized rodlike cobalt ditelluride anodes for high-capacity and fast lithium storage. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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4
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Fan X, Sun R, Zhu Y, Zhang S, Gou L, Lu L, Li D. Controllable 3D Porous Ni Current Collector Coupled with Surface Phosphorization Enhances Na Storage of Ni 3 S 2 Nanosheet Arrays. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106161. [PMID: 34897999 DOI: 10.1002/smll.202106161] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/06/2021] [Indexed: 06/14/2023]
Abstract
3D porous Ni is fabricated via an easily scalable electroless plating method using a dynamic template formed through in-situ hydrogen bubbles. The pore size in the range of several micrometers is controllable through adjusting the Ni2+ depositing rate and hydrogen bubbles releasing rate. The Ni3 S2 nanosheet arrays anode is then grown on the unique 3D porous Ni current collector followed by subsequent surface phosphorization. The tremendous interconnected pores and rich voids between the Ni3 S2 nanosheet arrays cannot only provide rapid transferring channels for Na+ , but also accommodate volumetric changes of the Ni3 S2 electrode during cycling, guaranteeing the integrity of the active material. In addition, the surface phosphorized layer enhances the electronic conductivity through providing an electron transport highway along the 3D Ni3 S2 , NiP2 layer, and 3D porous Ni current collector, and simultaneously stabilizes the electrode/electrolyte interphase as a protecting layer. Because of these merits, the phosphorized 3D porous Ni3 S2 (3D P-Ni3 S2 ) electrode is capable of delivering an ultra-stable capacity of 387.5 mAh g-1 at 0.1 A g-1 , and a high capacity retention of 85.3% even at a high current density of 1.6 A g-1 .
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Affiliation(s)
- Xiaoyong Fan
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Ruibo Sun
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Yongqiang Zhu
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Shuai Zhang
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Lei Gou
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
| | - Li Lu
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576, Singapore
| | - Donglin Li
- School of Materials Science and Engineering, Chang'an University, Xi'an, 710061, China
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5
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Fei X, Dong Z, Gong B, Zhao X. Lightweight Through-Hole Copper Foil as a Current Collector for Lithium-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2021; 13:42266-42275. [PMID: 34428012 DOI: 10.1021/acsami.1c13233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In the past few decades, much effort has been dedicated to improve electrochemical performance of lithium-ion batteries (LIBs) through material design. Less attention, however, has been paid to structure engineering of battery components, which is an effective way for improving the electrochemical performance of LIBs. In this work, a lightweight Cu current collector with a through-hole array and columnar crystal on the surface (CC/THCu) was designed and fabricated using a nanosecond ultraviolet laser and electrodeposition processing to enhance specific capacity and cycle stability of LIBs. The synergistic effect of the columnar crystal and through-hole structure for improving electrochemical performances of LIBs assembled with the CC/THCu current collector was investigated. The results show that the complex structure provides spaces for volume expansion and reduces volume variation. When the hole fraction reaches 20%, the weight loss of CC/THCu is 28.41%. The corresponding LIB with the 20% hole fraction CC/THCu shows a high residual capacity rate of 81.2% and enhanced specific capacity (55.9% compared to the LIB with a bare Cu current collector). At a high rate of 1 C, the remaining specific capacity of the LIB with the CC/THCu current collector is better than that with the bare Cu current collector after 200 cycles. The CC/THCu current collector effectively improves the specific capacity and cycle stability of LIBs in contrast to the bare Cu current collector.
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Affiliation(s)
- Xiangyu Fei
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, P. R. China
| | - Zhichao Dong
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, P. R. China
| | - Benkui Gong
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, P. R. China
| | - Xinyu Zhao
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, P. R. China
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6
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Zhang Y, Yan D, Liu Z, Ye Y, Cheng F, Li H, Lu AH. A SnO x Quantum Dots Embedded Carbon Nanocage Network with Ultrahigh Li Storage Capacity. ACS NANO 2021; 15:7021-7031. [PMID: 33851824 DOI: 10.1021/acsnano.1c00088] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Tin-based materials with high specific capacity have been studied as high-performance anodes for energy storage devices. Herein, a SnOx (x = 0, 1, 2) quantum dots@carbon hybrid is designed and prepared by a binary oxide-induced surface-targeted coating of ZIF-8 followed by pyrolysis approach, in which SnOx quantum dots (under 5 nm) are dispersed uniformly throughout the nitrogen-containing carbon nanocage. Each nanocage is cross-linked to form a highly conductive framework. The resulting SnOx@C hybrid exhibits a large BET surface area of 598 m2 g-1, high electrical conductivity, and excellent ion diffusion rate. When applied to LIBs, the SnOx@C reveals an ultrahigh reversible capacity of 1824 mAh g-1 at a current density of 0.2 A g-1, and superior capacities of 1408 and 850 mAh g-1 even at high rates of 2 and 5 A g-1, respectively. The full cell assembled using LiFePO4 as cathode exhibits the high energy density and power density of 335 Wh kg-1 and 575 W kg-1 at 1 C based on the total active mass of cathode and anode. Combined with in situ XRD analysis, the superior electrochemical performance can be attributed to the SnOx-ZnO-C asynchronous and united lithium storage mechanism, which is formed by the well-designed multifeatured construction composed of SnOx quantum dots, interconnected carbon network, and uniformly dispersed ZnO nanoparticles. Importantly, this designed synthesis can be extended for the fabrication of other electrode materials by simply changing the binary oxide precursor to obtain the desired active component or modulating the type of MOFs coating to achieve high-performance LIBs.
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Affiliation(s)
- Yanan Zhang
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Road 8, Hongqiao District, Tianjin 300130, P. R. China
| | - Dong Yan
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road 2, Ganjingzi District, Dalian 116024, P. R. China
| | - Zefei Liu
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Road 8, Hongqiao District, Tianjin 300130, P. R. China
| | - Youwen Ye
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Road 8, Hongqiao District, Tianjin 300130, P. R. China
| | - Fei Cheng
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Road 8, Hongqiao District, Tianjin 300130, P. R. China
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road 2, Ganjingzi District, Dalian 116024, P. R. China
| | - Huanrong Li
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Road 8, Hongqiao District, Tianjin 300130, P. R. China
| | - An-Hui Lu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road 2, Ganjingzi District, Dalian 116024, P. R. China
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7
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Zhang Y, Xiao R, Liao X, Ma Z, Huang Y, Li Q. Polyaniline/Copper Composite Anode Current Collectors Prepared through Electrochemical Polymerization for Lithium‐Ion Batteries. ChemElectroChem 2020. [DOI: 10.1002/celc.202000692] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yunyan Zhang
- School of Chemistry and Chemical EngineeringGuizhou University Guizhou 550025 P. R. China
| | - Rengui Xiao
- School of Chemistry and Chemical EngineeringGuizhou University Guizhou 550025 P. R. China
| | - Xia Liao
- School of Chemistry and Chemical EngineeringGuizhou University Guizhou 550025 P. R. China
| | - Zhiming Ma
- School of Chemistry and Chemical EngineeringGuizhou University Guizhou 550025 P. R. China
| | - Yu Huang
- School of Chemistry and Chemical EngineeringGuizhou University Guizhou 550025 P. R. China
| | - Qianqian Li
- School of Chemistry and Chemical EngineeringGuizhou University Guizhou 550025 P. R. China
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8
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High Areal Capacity Porous Sn-Au Alloys with Long Cycle Life for Li-ion Microbatteries. Sci Rep 2020; 10:10405. [PMID: 32591551 PMCID: PMC7320134 DOI: 10.1038/s41598-020-67309-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 06/03/2020] [Indexed: 11/09/2022] Open
Abstract
Long-term stability is one of the most desired functionalities of energy storage microdevices for wearable electronics, wireless sensor networks and the upcoming Internet of Things. Although Li-ion microbatteries have become the dominant energy-storage technology for on-chip electronics, the extension of lifetime of these components remains a fundamental hurdle to overcome. Here, we develop an ultra-stable porous anode based on SnAu alloys able to withstand a high specific capacity exceeding 100 µAh cm-2 at 3 C rate for more than 6000 cycles of charge/discharge. Also, this new anode material exhibits low potential (0.2 V versus lithium) and one of the highest specific capacity ever reported at low C-rates (7.3 mAh cm-2 at 0.1 C). We show that the outstanding cyclability is the result of a combination of many factors, including limited volume expansion, as supported by density functional theory calculations. This finding opens new opportunities in design of long-lasting integrated energy storage for self-powered microsystems.
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9
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Wu X, He G, Ding Y. Dealloyed nanoporous materials for rechargeable lithium batteries. ELECTROCHEM ENERGY R 2020. [DOI: 10.1007/s41918-020-00070-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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10
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Zou L, Ge M, Zhao C, Meng Q, Wang H, Liu X, Lin CH, Xiao X, Lee WK, Shen Q, Chen F, Chen-Wiegart YCK. Designing Multiscale Porous Metal by Simple Dealloying with 3D Morphological Evolution Mechanism Revealed via X-ray Nano-tomography. ACS APPLIED MATERIALS & INTERFACES 2020; 12:2793-2804. [PMID: 31846299 DOI: 10.1021/acsami.9b16392] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Designing materials with multiscale, hierarchical structure is critical to drive the advancement of new technology. Specifically, porous metals with multiscale porosity from nanometer to micrometer sizes would lead to enhanced physical and chemical properties-the micron-sized pores can increase the effective diffusivity of ion transport within the porous media, and the nano-sized pores provide high specific surface area, enabling functionalities that are unique to nanoporous metals. A new ternary precursor alloy selection concept utilizing the different mixing enthalpies is demonstrated in this work for the design of multiscale, bimodal porous copper from a simple, one-step dealloying of Cu-Fe-Al ternary alloy. The nanoporosity in the bimodal porous structure is formed from dealloying of the Cu-rich phase, whereas the microporosity is controlled by dissolving the Fe-rich phase, determined by both the initial Fe particle size and sintering profile. In addition to advancing the materials design method, the multiscale pore formation during dealloying was directly visualized and quantified via an interrupted in situ synchrotron X-ray nano-tomography. The 3D morphological analysis on tortuosity showed that the presence of the microporosity can compensate the increase of the diffusion path length due to nanoporosity, which facilitates diffusion within the porous structure. Overall the focus of the work is to introduce a new strategy to design multiscale porous metals with enhanced transport properties, and sheds light on the fundamental mechanisms on the 3D morphological evolution of the system using advanced synchrotron X-ray nano-tomography for future materials development and applications.
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Affiliation(s)
- Lijie Zou
- State Key Lab of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Wuhan 430070 , China
- Department of Materials Science and Chemical Engineering , Stony Brook University , Stony Brook , New York 11794 , United States
| | - Mingyuan Ge
- National Synchrotron Light Source - II , Brookhaven National Laboratory , Upton , New York 11973 , United States
| | - Chonghang Zhao
- Department of Materials Science and Chemical Engineering , Stony Brook University , Stony Brook , New York 11794 , United States
| | - Qingkun Meng
- Department of Materials Science and Chemical Engineering , Stony Brook University , Stony Brook , New York 11794 , United States
- School of Materials Science and Engineering , China University of Mining and Technology , Xuzhou 221116 , China
| | - Hao Wang
- State Key Lab of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Wuhan 430070 , China
| | - Xiaoyang Liu
- Department of Materials Science and Chemical Engineering , Stony Brook University , Stony Brook , New York 11794 , United States
| | - Cheng-Hung Lin
- Department of Materials Science and Chemical Engineering , Stony Brook University , Stony Brook , New York 11794 , United States
| | - Xianghui Xiao
- National Synchrotron Light Source - II , Brookhaven National Laboratory , Upton , New York 11973 , United States
| | - Wah-Keat Lee
- National Synchrotron Light Source - II , Brookhaven National Laboratory , Upton , New York 11973 , United States
| | - Qiang Shen
- State Key Lab of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Wuhan 430070 , China
| | - Fei Chen
- State Key Lab of Advanced Technology for Materials Synthesis and Processing , Wuhan University of Technology , Wuhan 430070 , China
| | - Yu-Chen Karen Chen-Wiegart
- Department of Materials Science and Chemical Engineering , Stony Brook University , Stony Brook , New York 11794 , United States
- National Synchrotron Light Source - II , Brookhaven National Laboratory , Upton , New York 11973 , United States
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11
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Fe-boosting Sn-based dual-shell nanostructures from new covalent porphyrin frameworks as efficient electrocatalysts for oxygen reduction and zinc-air batteries. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134593] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Liu W, Chen X, Xiang P, Zhang S, Yan J, Li N, Shi S. Chemically monodisperse tin nanoparticles on monolithic 3D nanoporous copper for lithium ion battery anodes with ultralong cycle life and stable lithium storage properties. NANOSCALE 2019; 11:4885-4894. [PMID: 30821798 DOI: 10.1039/c8nr09398a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this report, a simple and effective low-temperature synthesis route has been proposed to smoothly achieve monodisperse tin nanoparticles upon monolithic 3D nanoporous copper (3D-NPC@MTNPs) from chemical dealloying of as-cast Al-45 at% Cu alloy sheets in HCl solution; they exhibit superior Li storage properties and ultralong cycle life as the anode for lithium ion batteries (LIBs). The results show that the 3D-NPC@MTNPs composite can be fabricated on a large scale by electroless plating of Sn on a uniform NPC matrix with a pore size of ca. 200 nm in an acidic plating bath below room temperature. Compared to two dimensional copper foil supported tin thin films (2D-CF@TTFs), the 3D-NPC@MTNPs electrode displays a markedly higher first reversible capacity of 0.485 mA h cm-2 as well as superior cycling stability with 52.4% capacity retention and over 96.7% coulombic efficiency after 500 cycles. This can be largely ascribed to the synergistic effect between the favorable monodispersity of Sn nanoparticles with ultrafine particle size and single crystal nature and the unique 3D nanoporous electrode architecture with a large specific surface area and a good mass transfer channel, which facilitates the accommodation of mechanical strain, improvement of structural stability, enhancement of bonding force, and acceleration of mass transfer, which are indicative of a quite promising candidate as a high-performance anode for LIBs.
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Affiliation(s)
- Wenbo Liu
- School of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, China.
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13
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Liu Y, Jiang K, Yang S. Integrated Anode Electrode Composited Cu⁻Sn Alloy and Separator for Microscale Lithium Ion Batteries. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E603. [PMID: 30781597 PMCID: PMC6416719 DOI: 10.3390/ma12040603] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/29/2019] [Accepted: 02/09/2019] [Indexed: 11/17/2022]
Abstract
A novel integrated electrode structure was designed and synthesized by direct electrodepositing of Cu⁻Sn alloy anode materials on the Celgard 2400 separator (Cel-CS electrode). The integrated structure of the Cel-CS electrode not only greatly simplifies the battery fabrication process and increases the energy density of the whole electrode, but also buffers the mechanical stress caused by volume expansion of Cu⁻Sn alloy active material; thus, effectively preventing active material falling off from the substrate and improving the cycle stability of the electrode. The Cel-CS electrode exhibits excellent cycle performance and superior rate performance. A capacity of 728 mA·h·g-1 can be achieved after 250 cycles at the current density of 100 mA·g-1. Even cycled at a current density of 5 A·g-1 for 650 cycles, the Cel-CS electrode maintained a specific capacity of 938 mA·h·g-1, which illustrates the potential application prospects of the Cel-CS electrode in microelectronic devices and systems.
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Affiliation(s)
- Yuxia Liu
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
- Henan Chemical Industry Research Institute Co. Ltd., Zhengzhou 450052, China.
| | - Kai Jiang
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
| | - Shuting Yang
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
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14
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Liu Y, Sun J, Du H, He S, Xie L, Ai W, Huang W. A long-cycling anode based on a coral-like Sn nanostructure with a binary binder. Chem Commun (Camb) 2019; 55:10460-10463. [DOI: 10.1039/c9cc04477a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a facile one-pot displacement reaction for the synthesis of a 3D coral-like Sn nanostructure towards a long-cycling Li-ion battery anode.
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Affiliation(s)
- Yuhang Liu
- Institute of Flexible Electronics (IFE)
- Northwestern Polytechnical University (NPU)
- Xi’an 710072
- China
| | - Jinmeng Sun
- Institute of Flexible Electronics (IFE)
- Northwestern Polytechnical University (NPU)
- Xi’an 710072
- China
| | - Hongfang Du
- Institute of Flexible Electronics (IFE)
- Northwestern Polytechnical University (NPU)
- Xi’an 710072
- China
| | - Song He
- Institute of Flexible Electronics (IFE)
- Northwestern Polytechnical University (NPU)
- Xi’an 710072
- China
| | - Linghai Xie
- Institute of Flexible Electronics (IFE)
- Northwestern Polytechnical University (NPU)
- Xi’an 710072
- China
- Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM)
| | - Wei Ai
- Institute of Flexible Electronics (IFE)
- Northwestern Polytechnical University (NPU)
- Xi’an 710072
- China
| | - Wei Huang
- Institute of Flexible Electronics (IFE)
- Northwestern Polytechnical University (NPU)
- Xi’an 710072
- China
- Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM)
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