CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Wenhao Ding,Guolang Zhou,Xiangjie Guo,Cheng Liu,Tianshi Wang,Yongsheng Fu,Jingzhou Yin,Lili Zhang,Edison Huixiang Ang
The natural reactivity of Zn metal in aqueous environments leads to surface deterioration and uncontrolled dendrite growth, posing challenges in the advancement of Zn-ion batteries. In this research, we introduce an environmentally friendly and cost-effective electrolyte additive, ammonium oxalate (AO), to significantly extend the cycle life of Zn-ion batteries with minimal usage. Oxalate ions within AO actively participate in the solvation of hydrated Zn ions and attach to the Zn anode surface prior to H 2 O molecules, creating a robust solid-electrolyte interface (SEI) layer. This SEI layer serves a dual purpose: it inhibits further reactions with H 2 O and restricts the two-dimensional movement of Zn ions, promoting the preferential growth of the (0 0 2) crystal plane. Consequently, Zn||Zn cells exhibit an impressive lifespan surpassing 1800 h (at 1 mA cm −2 , 1 mAh cm −2 ), and Zn||Cu cells experience a tenfold increase in cycling life. Moreover, Zn||MnO 2 full cells, incorporating this low-cost and highly efficient inorganic additive, maintain an outstanding 80.84 % capacity retention after 1200 cycles at 1 A g −1 . This breakthrough with AO offers a promising avenue for the practical implementation of Zn-ion batteries, emphasizing their cost-effectiveness and environmental sustainability.
研究领域:
材料科学
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电化学
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能源存储
✓ 已验证
产品关联
DOI
高影响因子
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
·
2024
·Vol. 121
·期 8
·e2317796121
·
IF 9.4
Xuelong Liao,Shan Chen,Jialei Chen,Youzeng Li,Wei Wang,Tiantian Lu,Zhuo Chen,Lixin Cao,Yaxin Wang,Rong Huang,Xiaoting Sun,Runyu Lv,Huan Wang
Tremendous attention has been paid to the water-associated side reactions and zinc (Zn) dendrite growth on the electrode–electrolyte interface. However, the Zn pulverization that can cause continuous depletion of active Zn metal and exacerbate hydrogen evolution is severely neglected. Here, we disclose that the excessive Zn feeding that causes incomplete crystallization is responsible for Zn pulverization formation through analyzing the thermodynamic and kinetics process of Zn deposition. On the basis, we introduce 1-ethyl-3-methylimidazolium cations (EMIm+) into the electrolyte to form a Galton-board-like three-dimensional inert-cation (3DIC) region. Modeling test shows that the 3DIC EMIm+ can induce the Zn2+ flux to follow in a Gauss distribution, thus acting as elastic sites to buffer the perpendicular diffusion of Zn2+ and direct the lateral diffusion, thus effectively avoiding the local Zn2+ accumulation and irreversible crystal formation. Consequently, anti-pulverized Zn metal deposition behavior is achieved with an average Coulombic efficiency of 99.6% at 5 mA cm−2 over 2,000 cycles and superb stability in symmetric cell over 1,200 h at −30 °C. Furthermore, the Zn||KVOH pouch cell can stably cycle over 1,200 cycles at 2 A g−1 and maintain a capacity of up to 12 mAh.
研究领域:
材料科学
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电化学
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能源存储
✓ 已验证
DOI
高影响因子
Energy Technology
·
2018
·Vol. 7
·期 4
·1800912
·
IF 3.175
Hang Wei,Xiao Hu,Xianfeng Zhang,Zhifeng Yu,Tianyi Zhou,Yang Liu,Yongguang Liu,Yue Wang,Jiexin Xie,Lianfeng Sun,Minghui Liang,Peng Jiang
Rechargeable zinc-based aqueous batteries are a promising candidate for next-generation energy storage devices because of the high theoretical energy density of Zn as well as the availability, safety, and cheap price of Zn-based aqueous batteries. A Zn@C core–shell composite is designed to overcome two problems of Zn anodes, that is, the formation of Zn dendrites and the corrosion/loss of Zn anode during the charge–discharge process, influencing the lifetime of Zn-based aqueous batteries. The prepared Zn@C composite from ZnO@C with electrochemical reduction is robust as the anode for a Zn@C//MnO 2 battery, and a 98.8% retention after 400 cycles is obtained at a discharge rate of 5 C. The specific capacitance of Zn@C//MnO 2 battery can reach 135 mAh g Zn −1 at 3 C, and the energy density of this battery can reach 75.9 Wh Kg −1 . The coated carbon layer on Zn/ZnO plays a role in protecting Zn/ZnO from leaching or corrosion by KOH, so the structure of Zn@C is a key factor in improving the cycling lifetime of Zn-based aqueous batteries.
研究领域:
能源存储
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材料科学
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电化学
✓ 已验证
产品关联
DOI
高影响因子
Small Methods
·
2023
·Vol. 7
·期 11
·2300731
·
IF 12.4
Jin Zhao,Zhizhen Lv,Shijie Wang,Zhihui Chen,Zeyi Meng,Guoxin Li,Congshan Guo,Tingting Liu,Jingshu Hui
Zn electrodeposition mechanism is a cornerstone of dendritic issue exploration in Zn-ion battery. Investigation of the inherent early-stage Zn plating kinetics and its dependence on the reactivity of anode-electrolyte interphase is crucial. Herein, the kinetic evolution of Zn plating on three characteristic substrates is quantified: fresh Zn, commercial Zn foil, and Zn foil with spontaneously generated solid-electrolyte interphase (SEI). Using scanning electrochemical microscopy analysis, the original interphase regulation of Zn deposit orientation and the competitive reaction between Zn deposition and SEI passivation are studied in situ. Furthermore, the SEI layer can suppress the dendrite growth at initial state by guiding the horizontal alignment of Zn flakes and promote Zn plating process. This approach provided a feasible consideration into interphase engineering of various metal anodes.
研究领域:
材料科学
·
电化学
·
能源存储
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2022
·
IF 16.744
Qingyu Wang,Xiaorui Liu,Haozhi Wang,Yuanhao Shen,Zequan Zhao,Cheng Zhong,Wenbin Hu
Zn–Ni battery is prospective green energy storage device. However, Zn(OH) 4 2– , the dissolved product of ZnO in the electrolyte, redistributes during the cycle, leading to the shape changing of the anode. This issue severely limits the lifespan of zinc anodes. Despite the success in improving the electrochemical performances of zinc anode via adding Ti 4 O 7 additive, the important mechanism of such modified anode has not been well understood. In addition, the aluminothermic reduction is facile and energy-saving. But the application of Ti 4 O 7 synthesized by this method in Zn–Ni batteries has not been studied. Herein, Ti 4 O 7 synthesized by facile and rapid aluminothermic reduction was applied to alkaline zinc anode. In subsequent electrochemical tests, the discharge capacity and cyclic performance of the zinc-nickel battery was significantly improved by adding as-prepared Ti 4 O 7 particles. At a high discharge current of 2.5 A (34.54 mA cm −2 ), the anode modified by Ti 4 O 7 delivered higher discharge capacity of 364 mAh g −1 , in contrast to the 283 mAh g −1 of pristine anode. Even at ultra-high discharge current of 10 A (138.16 mA cm −2 ), the battery operated stably for 480 cycles. Besides, the mechanism of Ti 4 O 7 modifying anode was studied in-depth by a variety of characterizations and density functional theory (DFT) calculations. We discovered that Ti 4 O 7 simultaneously regulates the distribution of electrons on the anode and Zn(OH) 4 2– in the electrolyte, contributing to forming uniform zinc anode during cycling.
研究领域:
材料科学
·
电化学
·
能源存储
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2023
·
IF 6.2
Junyi Yin,Mingyan Li,Xiang Feng,Tianyi Cui,Weiyu Sun,Minghui Wang,Weichen Shi,Shujiang Ding,Yonghong Cheng,Xin Xu,Jianhua Wang
Rampant side reactions such as hydrogen evolution reaction (HER), corrosion and uncontrollable dendrite growth at anodes greatly impede the application of AZIBs . Herein, caprolactam (CPL) is employed as a crucial electrolyte medium to achieve the aim of highly reversible zinc anodes . CPL molecules exhibit a lower adsorption energy (−1.94 eV) than H 2 O and preferential binding with Zn anodes, resulting in a H 2 O-poor anode/electrolyte interface and an enhanced steric effect at the anode surface. This effect effectively hinders the contact between zinc metal and water molecules, consequently facilitating the uniform and controlled deposition of Zn 2+ . Furthermore, the combination between CPL and Zn 2+ contributes to the optimization of solvation structures. Consequently, Zn/Zn batteries with CPL additives realized more than 2100 h stable cycling life under 1 mA cm −2 and 1 mAh cm −2 . Moreover, Zn/Cu batteries with CPL additives achieved a reversible plating/stripping process for over 3000 cycles with high average CE of 99.4%. Besides, the assembled Zn/NH 4 V 4 O 10 full batteries using electrolyte of ZnSO 4 /CPL also exhibited excellent cyclic performance. The batteries yielded 77.1 mAh g −1 under the current density of 5 A g −1 after 1000 cycles. CPL demonstrates significant potential as a cost-effective and multifunctional electrolyte additive for achieving stable and reliable AZIBs.
研究领域:
电化学
·
储能材料
·
电池技术
✓ 已验证
DOI
高影响因子
POLYMER DEGRADATION AND STABILITY
·
2019
·
IF 3.78
Biao Ma,Xu Wang,Songyan Lu,Huiwen He,Meng Ma,Yanqin Shi,Si Chen
An effectively Zn/Zn stabilizer system instead of traditional Ca/Zn stabilizer system was put forward, which contained a new triazole-based zinc-containing complex (abbreviated as [Zn(ttr)(St)]) and Zinc stearate (ZnSt 2 ). Without Ca soap in the system, [Zn(ttr)(St)] itself could effectively absorb HCl and provided PVC with higher transparency and better thermal stability without “zinc burning” than commercial CaSt 2 /ZnSt 2 stabilizer system, verified by Congo red tests and discoloration tests and dynamic thermal stability analysis. In addition, [Zn(ttr)(St)] could further delay “zinc burning” of other zinc soaps, constituting Zn/Zn stabilizer system. This is attributed to the strong ability of restricting ZnCl 2 of 3-amino-1,2,4-triazole released from [Zn(ttr)(St)] after absorbing HCl. After adding ESBO , PVC stabilized by [Zn(ttr)(St)]/ZnSt 2 /ESBO showed excellent transparency and thermal stability. We believe that [Zn(ttr)(St)] can act as a novel double agent with the stabilization effects of zinc soap and calcium soap at the same time and this Zn/Zn stabilizer system may inaugurate a new stabilizer system for PVC with synergistic effect.
研究领域:
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
Chemical Physics Impact
·
2022
·
IF 0
Yanke Yu,Mengqiao Geng,Jiahang Li,Jingjing Wang,Desheng Wei,Chi He
Commercial V 2 O 5 -WO 3 /TiO 2 (VWTi) catalysts used in NH 3 -SCR reaction with varied Zn loading were prepared and then effect of SO 2 on Zn-poisoned VWTi catalysts was investigated. Zn could cause the deactivation of VWTi catalysts. Nevertheless, the effect of SO 2 on Zn-poisoned VWTi catalysts varied with Zn loading. For Zn-poisoned catalyst with low content of Zn (1.0 wt.%, ZnL), SO 2 would promote the activity recovery of the catalyst. However, SO 2 had no influence on the Zn-poisoned catalyst with high Zn content (4.0 wt.%, ZnH). The catalyst was characterized by N 2 adsorption-desorption, XRD, XPS, SO 2 -TPD, NH 3 -TPD, H 2 -TPR and in situ DRIFTS. Tri-coordinated sulfate species were formed on ZnL sample in the presence of SO 2 , and the sulfate species could form new Brønsted acid sites, causing the recovery of activity. But ZnSO 4 was appeared and no Brønsted acid sites formed on ZnH sample under SO 2 , thus the activity of ZnH sample changed little.
研究领域:
催化化学
·
环境科学
✓ 已验证
产品关联
DOI
ChemSusChem
·
2021
·Vol. 14
·期 7
·1747-1755
·
IF 8.928
Xiaozhou Cao,Song Wang,Xiangxin Xue
Graphical Redox flow battery : A Zn−Ce redox flow battery based on choline chloride ethylene glycol deep eutectic solvent was studied. The open-circuit voltage of the battery reaches 2.2 V, and the coulombic efficiency of the battery is stable at about 84 %, which may provide theoretical support for the development of large-scale energy storage system. Compared with conventional aqueous and ionic liquid electrolytes, deep eutectic solvent (DES) are considered as electrolyte for redox flow batteries because they have a wider electrochemical window and relatively low price. In this study, Ce IV /Ce III and Zn II /Zn redox couples are used as the positive and negative active materials, respectively, in an electrolyte consisting of choline chloride ethylene glycol (ethaline). The structure of Ce III in the positive electrolyte is inferred through spectrum detection. Ce IV /Ce III and Zn II /Zn redox couples show a stable potential difference of 2.2 V (vs. Ag) through cyclic voltammetry. The charge and discharge performance of battery was tested at different current densities. In addition, battery performance was evaluated at different temperatures and concentrations of cerium in the electrolyte. Consequently, at a current density of 0.5 mA cm −2 at room temperature and using 1.0 m Ce III , the battery performance reaches the best coulombic efficiency of 84 %.
研究领域:
电化学
·
储能
·
材料科学
·
电池技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
APPLIED CATALYSIS B-ENVIRONMENTAL
·
2022
·
IF 24.319
Li Luo,Jinfeng Tian,Wenfeng Hu,Peng Han,Wei Wang,Baojun Ma
Non-noble metal co-catalysts for hydrogen production have capacitance characterization, which can store photo-excited electrons from semiconductor and show capacitance catalysis. However, the overlarge capacitance of co-catalysts constrains prompt release of electrons. Here, we reported a new and highly efficient co-catalyst Zn-Ni 5 P 4 via evenly doping Zn in Ni 5 P 4 . Loading Zn-Ni 5 P 4 on CdS, the photocatalyst Zn-Ni 5 P 4 /CdS shows an ultrahigh activity of 8969 μmol/g/h, which is 2.4 times of Ni 5 P 4 /CdS (3668 μmol/g/h). More interestingly, by the Pt loading on the surface of Ni 5 P 4 , the (Pt/Ni 5 P 4 )/CdS shows only 1.3 times of Ni 5 P 4 /CdS. Zn doping in Ni 5 P 4 reduces the capacitance by 140 mF/g and electrochemical impedance, which benefits the release of photo-excited electrons. Moreover, the reduced overpotential and the increased specific surface area also account for the enhanced co-catalytic performance of Zn-Ni 5 P 4 . This paper presents an effective and low-cost method to inhibit negative effect of capacitance catalysis of non noble co-catalysts.
研究领域:
材料科学
·
能源化学
✓ 已验证
产品关联
DOI
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2024
·
IF 18.5
Dexin Meng,Xincheng Liang,Qian Liu,Xingfa Chen,Renshu Huang,Lin Peng,Huan Wen,Shibin Yin
The severe dendrite issue of the Zn anode greatly hinders the practical application of aqueous zinc-ion batteries, which demands a prompt solution. This work proposes an electrostripping strategy using sodium citrate (SC) solution as the electrolyte to fabricate a 3D honeycomb-like Zn (3DH-Zn) anode. Theoretical calculations and experimental results reveal that SC preferentially adsorbs on the Zn(100) and Zn(101) planes and exhibits a shielding effect, leading to the major dissolution of Zn atoms from the Zn(002) plane, thus obtaining a honeycomb-like structure. Notably, convinced by morphology characterization and finite element simulation results, Zn 2+ tends to deposit on the lateral sides of the hexagonal holes on the 3DH-Zn anode, resulting in a flat deposition morphology dominated by Zn(101)/Zn(100) planes, which significantly inhibits dendrite formation. As a result, the 3DH-Zn symmetric cell achieves an ultra-long lifespan of 2000 h at 5.0 mA cm −2 and 1.0 mAh cm −2 . Besides, the 3DH-Zn||VO 2 full cell works for 1000 cycles at 1.0 A g −1 with a residual capacity of 123.1 mAh g −1 . This work opens up a new horizon for applying electrostripping strategy in designing advanced Zn anode.
研究领域:
材料科学
·
电化学
·
电池技术
✓ 已验证
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2022
·
IF 10.383
Jie Wu,Yuanyuan Zhang,Bin Zhang,Siwei Li,Ping Xu
Development of low-cost, efficient, and durable electrocatalysts for the oxygen evolution reaction (OER) is crucial for multiple energy conversions and storage devices. Herein, Zn-doped CoS2 nanoarrays supported on carbon cloth, Co(Zn)S2/CC, are fabricated through a facile sulfidization of CoZn metal–organic frameworks. This precatalyst, Co(Zn)S2/CC, with a well-defined nanoarray structure affords excellent OER catalytic activity (η = 248 mV at 10 mA/cm2) and long-term durability in 1 M KOH. X-ray photoelectron and in situ Raman spectroscopic studies indicate that Co(Zn)S2 undergoes surface reconstruction with the generation of Co(Zn)OOH adsorbed with SO42– at the surface during the OER process. The Zn dopant is calculated to impact on the electronic structure of Co species and further the adsorption of intermediates. This work not only provides a novel method for the synthesis of bimetallic sulfides but also gives insights into the doping effect on the OER performance of transition metal sulfides.
研究领域:
电化学
·
材料科学
·
能量转换与存储
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）