Uniform and oriented zinc deposition induced by artificial Nb2O5 Layer for highly reversible Zn anode in aqueous zinc ion batteries

So, Seongjoon; Ahn, Yong Nam; Ko, Jae Wook; Kim, Il Tae; Hur, Jaehyun

doi:10.1016/j.ensm.2022.07.036

Cited by 76 publications

(73 citation statements)

References 48 publications

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“…Most impressively, the ultrahigh cycling performance of 3DCEP‐MXene/Zn‐P anode in this work has surpassed most previous reports of Zn‐P and Zn foil anode (Figure 2c). [ 4,5,11,12,14,23–36 ]…”

Section: Resultsmentioning

confidence: 99%

“…Most impressively, the ultrahigh cycling performance of 3DCEP-MXene/Zn-P anode in this work has surpassed most previous reports of Zn-P and Zn foil anode (Figure 2c). [4,5,11,12,14,[23][24][25][26][27][28][29][30][31][32][33][34][35][36] To probe the evolution and mechanism of the Zn dendrite inhibition behavior, the SEM and laser confocal scanning microscope (LCSM) are performed to observe the surface microscopic morphology of all of the as-printed anodes. Figure S14 (Supporting Information) indicates SEM images and cross-sectional surface SEM images of 3D-printed MXene/ Zn-P, 3DCPP-MXene/Zn-P, and 3DCEP-MXene/Zn-P anodes after cycling, respectively.…”

Section: Structural Characterization and Electrochemical Properties O...mentioning

confidence: 99%

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3D Cold‐Trap Environment Printing for Long‐Cycle Aqueous Zn‐Ion Batteries

Zhang

et al. 2022

Advanced Materials

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excellent rate performance, and fast reaction kinetics. [1][2][3][4] However, the inadequate cycling performance of Zn metal anode (mainly including Zn foil) originates from the growth of Zn dendrites and other side reactions have impeded its further development and extensive commercialization. [5] To date, many efforts have been devoted to regulate the surface structure and characteristics of Zn foil to induce Zn nucleation and growth on the surface of Zn foil via various strategies such as surface coating of Zn foil and modification of electrolyte, [6][7][8] which have greatly enhanced the electrochemical performances of Zn foil. The inherent defects of planar Zn foil are always affecting its practical application, and there are three major factors involved: i) the 2D plane structure of Zn foil can cause spontaneous dendrite formation along the vertical direction on the surface of the Zn foil, which can easily penetrate the separator and cause short circuit of battery; ii) severe pulverization of Zn foil can occur during the charge/ discharge cycles at high current density, resulting in electric contact failure; and iii) the redundant thickness of Zn foil results in its poor utilization in application. [9,10] Compared with Zn foil, Zn powder (Zn-P) is a valuable substitute for Zn foil owing to its low cost and easily available. More importantly, the content of Zn-P can be accurately controlled, Zn powder (Zn-P)-based anodes are always regarded as ideal anode candidates for zinc ion batteries owing to their low cost and ease of processing. However, the intrinsic negative properties of Zn-P-based anodes such as easy corrosion and uncontrolled dendrite growth have limited their further applications. Herein, a novel 3D cold-trap environment printing (3DCEP) technology is proposed to achieve the MXene and Zn-P (3DCEP-MXene/Zn-P) anode with highly ordered arrangement. Benefitting from the unique inhibition mechanism of high lattice matching and physical confinement effects within the 3DCEP-MXene/Zn-P anode, it can effectively homogenize the Zn 2+ flux and alleviate the Zn deposition rate of the 3DCEP-MXene/Zn-P anode during Zn plating-stripping. Consequently, the 3DCEP-MXene/Zn-P anode exhibits a superior cycling lifespan of 1400 h with high coulombic efficiency of ≈9.2% in symmetric batteries. More encouragingly, paired with MXene and Co doped MnHCF cathode via 3D cold-trap environment printing (3 DCEP-MXene/Co-MnHCF), the 3DCEP-MXene/Zn-P//3DCEP-MXene/Co-MnHCF full battery delivers high cyclic durability with the capacity retention of 95.7% after 1600 cycles. This study brings an inspired universal pathway to rapidly fabricate a reversible Zn anode with highly ordered arrangement in a cold environment for micro-zinc storage systems.

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Section: Resultsmentioning

confidence: 99%

Section: Structural Characterization and Electrochemical Properties O...mentioning

confidence: 99%

3D Cold‐Trap Environment Printing for Long‐Cycle Aqueous Zn‐Ion Batteries

Zhang

et al. 2022

Advanced Materials

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“…[ 30,31 ] Recently, some studies also pointed out that Nb 2 O 5 is a good material for inducing uniform Zn deposition. [ 32 ]…”

Section: Introductionmentioning

confidence: 99%

“…[30,31] Recently, some studies also pointed out that Nb 2 O 5 is a good material for inducing uniform Zn deposition. [32] Moreover, Nb is able to form a dense and well-adhered coating on the surface of Al 2 O 3 without damaging the substrate or the coating itself, even when the Al 2 O 3 has a unique 3D structure, which allows Nb to form a superior anti-corrosion coating on the Al foil surface that is difficult to achieve with other coating methods. [33] Here, through a physical vapor deposition (PVD) method, thin Nb layers are magnetron sputtered to Al foils to make the Nb coated Al foils (Al-Nb foils), which are successfully used as the dual-purpose current collectors for both anode and cathode in RAZIBs (Figure S1, Supporting Information).…”

Section: Introductionmentioning

confidence: 99%

Anode/Cathode Dual‐Purpose Aluminum Current Collectors for Aqueous Zinc‐Ion Batteries

Zhu

Xiong

Yang

et al. 2022

Adv Funct Materials

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Rechargeable aqueous zinc (Zn)‐ion batteries (RAZIBs), which use non‐flammable aqueous electrolytes and low‐cost electrode materials, show great potential to boost the development of safe, cost‐effective, and highly efficient energy storage systems. The adoption of lightweight and inexpensive aluminum (Al) as current collectors seems to be a good vision, but Al exhibits an easily‐corroded nature and a high impedance in aqueous electrolytes, making it a challenge to realize the utilization of Al current collector in RAZIBs. In this study, through the direct current magnetron sputtering, niobium (Nb) coated Al (Al‐Nb) foils are prepared, which shows superior corrosion‐resistance in an aqueous solution, while maintaining a satisfying electronic conductivity. Moreover, the Al‐Nb foils can be adopted to both anode and cathode current collectors while exhibiting high coulombic efficiency and good cycling stability even when they are tested under a condition that can meet the real‐world application demands, e.g., the Zn||Al‐Nb half‐cell shows an average coulombic efficiency of 99.17% in 320 cycles under a current density of 25 mA cm−2 and a galvanizing capacity of 6.25 mAh cm−2. The superior performance of the modified Al current collectors may mark a significant step toward the development of high‐energy‐density aqueous batteries.

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“…To stabilize the Zn anodes, strategies focusing on avoiding direct contact of Zn foil with water and/or guiding the homogeneous Zn deposition have been proposed, including artificial interface fabrication, electrolyte regulation, anode structure design, and Zn foil texture optimization. − However, the textures of commercial Zn foils are usually quite different, which is a great obstacle to achieving a stable and reproducible electrochemical performance and understanding the relevant mechanism when they are directly used as metal anodes. − Besides, in consideration of commercial applications, the fabrication of highly reversible Zn anodes from laboratory-scale to industrial-scale is still a big challenge. In the crystal structure of metallic Zn, the (002) crystal plane has the lowest surface energy as compared to the other planes, which is beneficial for the planar Zn deposition along the anode surface.…”

mentioning

confidence: 99%

Texture Control of Commercial Zn Foils Prolongs Their Reversibility as Aqueous Battery Anodes

Chen

Zhao

et al. 2022

ACS Energy Lett.

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Crystallography modulation of aqueous zinc metal anodes can effectively inhibit their dendrite growth and unfavorable side reactions. However, the ability to directly endow the commercial Zn foils with specific texture is still lacking. In this study, a grain-size-assisted cold-rolling approach is developed to reshape and unify the commercial Zn foils into strong (002) textured Zn. It is revealed that the grain size strongly affects the (002) texture formation during the plastic deformation. By proper annealing treatment, the grain sizes of commercial Zn foils are controlled at ∼30 μm, which favors the formation of strong (002) texture during the following cold-rolling process. The resultant (002) textured Zn foils show better resistance to side reactions and dendrite growth when used as aqueous metal anodes. The strong (002) texture endows the Zn anode with long cycling stability in Zn//Zn symmetric batteries (2800 h at 0.1 mA cm–2, 100 h at 10 mA cm–2) and Zn//porous carbon capacitors (6000 cycles at 2 A g–1). The strategy demonstrated in this work unifies the different textures of commercial Zn foils into strong (002) texture and provides a scalable pathway toward highly reversible Zn anodes for aqueous zinc-ion energy storage devices.

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Uniform and oriented zinc deposition induced by artificial Nb2O5 Layer for highly reversible Zn anode in aqueous zinc ion batteries

Cited by 76 publications

References 48 publications

3D Cold‐Trap Environment Printing for Long‐Cycle Aqueous Zn‐Ion Batteries

3D Cold‐Trap Environment Printing for Long‐Cycle Aqueous Zn‐Ion Batteries

Anode/Cathode Dual‐Purpose Aluminum Current Collectors for Aqueous Zinc‐Ion Batteries

Texture Control of Commercial Zn Foils Prolongs Their Reversibility as Aqueous Battery Anodes

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