Nano Research
·
2019
·Vol. 12
·期 10
·2535-2542
·
IF 8.515
Wen Zhipeng,Peng Yueying,Cong Jianlong,Hua Haiming,Lin Yingxin,Xiong Jian,Zeng Jing,Zhao Jinbao
The metallic lithium (Li) is considered as the most promising anode material for high-energy batteries. Nevertheless, the uncontrollable growth of Li dendrite and unstable electrolyte/electrode interface still hinder the development of Li-based battery. In this work, a novel strategy has been proposed to stabilize Li anode by in-situ polymerizing polypyrrole (PPy) layer on Ni foam (PPy@Ni foam) as an artificial protective layer. The PPy protective layer can effectively decrease the contact between Li metal and electrolyte during cycling. In addition, the morphology characterization shows that the PPy layer can help the even Li deposition underneath the layer, leading to a dendrite-free Li anode. As a result, when deposited 2 mAh•cm −2 Li metal, the PPy@Ni foam can keep stable Coulombic efficiency (99%) during nearly 250 cycles, much better than the pure Ni foam (100 cycles). Even in the case of the Li capacity of 10 mAh•cm −2 , the stable cycling performance for 60 cycles can still be achieved. Furthermore, when assembled with LiFePO 4 material as the cathode for a full cell, the PPy@Ni foam can keep high capacity retention of 85.5% at 500 cycles. In our work, we provide a simple and effective method to enhance the electrochemical performances of Li metal-based batteries, and reveal a new avenue to design three-dimensional (3D) metallic current collector for protecting the Li metal anode.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2025
·
IF 9.7
Yunan Wang,Yingying Sun,Qian Long,Jie Liu,Di Guo,Zhengwang Zhu,Haifeng Zhang
Orthorhombic tungsten oxide (WO 3 ·H 2 O) has been considered as a promising anode material due to its layered crystal structure and high capacity. However, the instability of its crystal structure usually results in poor cyclic stability of the battery/capacitor. Herein, a novel strategy of introducing aluminum ion (Al 3+ ) additives for designing hybrid electrolyte is demonstrated to enhance the cycling stability of WO 3 ·H 2 O. Aluminum ions may participate in the redox reaction and contribute extra capacitance. More importantly, the Al 3+ ions can facilitate fast phase transformation of metastable orthorhombic tungsten oxides to stable monoclinic phase, but also participate in the construction of stable protective layer during the long-term cycling, forming a protective layer at the surface of tungsten oxide for alleviating the dissolution and structural damage. The WO 3 ·H 2 O is electrodeposited on the exfoliated graphite foil (Ex-GF) and shows a specific capacitance of 395 mF cm −2 at 2 mA cm −2 in the LiCl + AlCl 3 hybrid electrolyte (pH = 2.93), and the capacitance remains 91.8 % after 10,000 charge/discharge cycles, indicating that the WO 3 ·H 2 O/Ex-GF electrode material exhibits excellent stability in supercapacitors. The density functional theory (DFT) calculations further demonstrate whether the adsorption energy or intercalation energy of Li + at the monoclinic WO 3 is lower than the orthorhombic WO 3 ·H 2 O. This result suggests that the electrochemical performance of WO 3 ·H 2 O, which operates on a pseudocapacitive reaction mechanism, can be enhanced through the phase transformation from the orthorhombic phase to the monoclinic phase during the cycling. Hence, this ion additive approach can adjust the interface composition and protect internal active material, and can be extended to the stability improvement of other metal oxide electrodes.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2025
·
IF 5.4
Ruby Aslam,Qihui Wang,Yi Sun,Zhitao Yan
The objective of this study is to develop novel and sustainable corrosion inhibitors, which is an important and challenging task in corrosion management. This study involved the fabrication of a novel nanocomposite (NC) via the cumin-derived carbon dots (CD) mediated functionalization of an iron metal-organic framework (MOF). The MOF@CD NC was tested as a novel corrosion inhibitor for Q235B steel in 1.0 M HCl solution. The anticorrosive potential was significantly improved through the functionalization process and gravimetric tests showed an inhibition efficiency of about 98% after 72 h immersion at 25 °C with an inhibitor concentration of 100 mg/L. FT-IR and XPS analysis indicated that binding and adsorption were achieved through functional groups of MOF@CD NC. SEM and AFM studies showed significant surface damage reduction and supported the formation of a powerful protective layer in the presence of inhibitor. This research represents a significant step forward in corrosion protection technology by introducing a new class of materials with excellent performance at low concentrations, offering a promising solution for industrial applications.
研究领域:
材料科学
·
腐蚀工程
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
·
2023
·
IF 5.7
Jun-Min Zhang,Xiao-Wu Chen,Jin-Shan Yang,Xiang-Yu Zhang,Yan-Mei Kan,Jian-Bao Hu,Yu-Dong Xue,Hao Qin,Shao-Ming Dong
The poor wet-oxidation resistance limits the long-life service of SiC f /SiC composites as the hot end components of aero-engines. The stability of SiC f /SiC composites under high-temperature wet oxygen environment can be promoted by more robust SiC matrix. In this work, the effect of Y 2 O 3 on the corrosion behaviors of SiC ceramics in flowing O 2 /H 2 O atmosphere at 1400 ℃ was studied. Duo to the continuous Y 2 Si 2 O 7 layer formed on the surface, SiC-Y 2 O 3 ceramics exhibit much better wet-oxidation resistance than original SiC ceramics. During the oxidation process , Y 2 O 3 dispersed in the ceramics migrates to the surface and reacts with SiO 2 to form β-Y 2 Si 2 O 7 . Subsequently, the β-Y 2 Si 2 O 7 aggregates and grows to form a continuous Y 2 Si 2 O 7 layer, inhibiting the corrosion from oxidizing medium to the inner SiC matrix. This study is expected to provide important ideas for the design and structure regulation of wet-oxidation resistant SiC f /SiC composites.
研究领域:
材料科学
·
航空航天工程
✓ 已验证
产品关联
DOI
高影响因子
Batteries-Basel
·
2023
·Vol. 9
·期 5
·262
·
IF 4
Dezhi Kong,Qingwei Zhang,Lin Li,Huimin Zhao,Ruixin Liu,Ziyang Guo,Lei Wang
Aqueous zinc-ion batteries (ZIBs) have received much attention because of their high safety, low pollution, and satisfactory energy density (840 mAh g−1), which is important for the research of new energy storage devices. However, problems such as short cell cycle life and low coulombic efficiency (CE) of zinc (Zn) anodes due to disorderly growth of Zn dendrites and side reactions of hydrogen corrosion have delayed the practical application of ZIBs. In this work, a new “self-growth” method is proposed to build a robust and homogeneous three-dimensional (3D) nanoporous structure of tin (Sn)-coated Zn anodes (ZSN) in just 10 min by a simple and fast reaction, which can largely raise the surface area of the electrode plate. The ZSN not only provides abundant Zn nucleation sites, but also reduces the corrosion current, thus alleviating the self-corrosion of the electrolyte, reducing the occurrence of hydrogen precipitation side reactions, and effectively inhibiting the growth of Zn dendrites during cycling. Thus, a symmetric cell with a ZSN anode can be stabilized with very low voltage hysteresis (30 mV) for 480 h of stable plating/stripping cycles and can operate well for 200 h even at high current densities of 10 mA cm−2. Supercapacitors and button cells were assembled, respectively, to verify the performance of ZSN electrodes in different energy storage tools. The ZSN||AC supercapacitor exhibited superior capacity (75 mAh g−1) and high reversibility (98% coulombic efficiency) at a current density of 2 A g−1. With a MnVO (MVO) electrode as the cathode, the ZSN||MVO full cell presents excellent cycling stability with a capacity retention of 95.4% after 500 cycles at 2 A g−1, which far exceeds that of the bare Zn cell.Keywords:nanoporous anode;aqueous Zn-based battery;dendrite-free;3D metal versatile protective layer
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
Small
·
2021
·Vol. 17
·期 13
·2007717
·
IF 13.281
Liwen Tan,Yue Sun,Chuanliang Wei,Yuan Tao,Yuan Tian,Yongling An,Yuchan Zhang,Shenglin Xiong,Jinkui Feng
As a promising candidate for the high energy density cells, the practical application of lithium-metal batteries (LMBs) is still extremely hindered by the uncontrolled growth of lithium (Li) dendrites. Herein, a facile strategy is developed that enables dendrite-free Li deposition by coating highly-lithiophilic amorphous SiO microparticles combined with high-binding polyacrylate acid (SiO@PAA) on polyethylene separators. A lithiated SiO and PAA (lithiated-SiO/PAA) protective layer with synergistic flexible and robust features is formed on the Li metal anode via the in situ reaction to offer outstanding interfacial stability during long-term cycles. By suppressing the formation of dead Li and random Li deposition, reducing the side reaction, and buffering the volume changes during the lithium deposition and dissolution, such a protective layer realizes a dendrite-free morphology of Li metal anode. Furthermore, sufficient ionic conductivity, uniform lithium-ion flux, and interface adaptability is guaranteed by the lithiated-SiO and Li polyacrylate acid. As a result, Li metal anodes display significantly enhanced cycling stability and coulombic efficiency in Li||Li and Cu||Li cells. When the composite separator is applied in a full cell with a carbonate-based electrolyte and LiNi 0.8 Mn 0.1 Co 0.1 O 2 cathode, it exhibits three times longer lifespan than control cell at current density of 5 C.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
PubMed
高影响因子
Journal of Materials Research and Technology-JMR&T
·
2025
·
IF 6.6
Ziyi Zhu,Hongbin Ma,Zhen Liu,Siting Cheng,Caihong Zhang,Rulin Jia,Peipeng Jin,Yupeng Wei
The corrosion behaviors of Mg-3Nd alloy in Qinghai Lake water (Cl − , SO 4 2− , HCO 3 − , CO 3 2− ) were studied, focusing on synergistic anion effects between Cl − and HCO 3 − . HCO 3 − demonstrates dual roles in Mg alloy corrosion mechanisms: it induces localized micro-galvanic coupling effects that exacerbate anodic dissolution during initial exposure, while facilitating the progressive formation of a composite Mg(OH) 2 /MgCO 3 passivation layer through interfacial precipitation reactions during long-term immersion. Cl − induced interfacial degradation triggers lamellar spallation of Mg(OH) 2 /MgCO 3 layers. The results revealed the competitive effects of anion interactions and transient protective phase MgCO 3 on corrosion behaviors of Mg alloy, providing insights for the design of corrosion-resistant lightweight equipment in salt-lake water environments.
研究领域:
材料科学
·
电化学
·
环境腐蚀
✓ 已验证
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2020
·
IF 8.758
Zhenggang Zhang,Zhendong Li,Huan Lin,Muqin Wang,Zhifu Luo,Feihong Ren,Zixuan Liu,Chen Zhou,Zhe Peng,Deyu Wang
Utilization of the lithium (Li) metal anode is seriously prevented by the undesirable side reactions with electrolyte solvents due to their mismatched energy gaps and easily lacerated SEI layer. In this work, we develop a transplantable carbonaceous membrane with a particular ability of filtrating Li+ ions by blocking organic solvents and use it as an independent protective component to isolate lithium metal anode from the electrolytes. This graphene-supported N-doped membrane (GNM) can separate organic carbonates of dimethyl carbonate (DMC) and diethyl carbonate (DEC) from H2O–DMC/DEC mixtures by holding back the organic solvents. When this membrane is used in a Li–Cu cell, a high Li Coulombic efficiency (CE) of 98.5% is maintained in carbonate electrolyte over 400 cycles. Application of GNM in Li–O2 full cell provides a sustainable use of Li metal for more than 200 cycles (2000 h) by keeping its shiny metal luster. Our results demonstrate that the use of an independent component with Li+ filtrating ability, such as the transplantable membrane of GNM developed in this work, should be a feasible remedy to protect Li metal anode in practical Li metal batteries.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2018
·
IF 3.141
Yangyang Yu,Yingming Zhu,Jing Guo,Hairong Yue,Hegui Zhang,Changjun Liu,Siyang Tang,Bin Liang
TiO2 pigments are widely used in paint industries. Inert coating layers were usually deposited on the TiO2 pigments to suppress the photocatalytic activity of TiO2, which can prevent the degradation of surrounding polymer molecules. However, the traditional wet chemical methods normally form thick films, which would impair the pigment properties of TiO2. In this work, SnO2 and SiO2 protective layers were grown on the TiO2 particle surface by low-temperature pulsed chemical vapor deposition. At temperatures <60 °C, thin and uniform amorphous SnO2 films were obtained. The photocatalytic activities of both TiO2/SnO2 and TiO2/SiO2 core–shell particles were suppressed, and TiO2/SnO2 core–shell particles showed higher lightening power than TiO2/SiO2. According to transient fluorescence, photocurrent, and electrochemical impedance spectroscopy measurements, the low electron mobility of amorphous SnO2 and SiO2 films led to fast recombination of photogenerated electrons and holes, thus preventing their migration to the surface and suppressing the photocatalytic activity of TiO2.
研究领域:
材料科学
·
表面化学
✓ 已验证
产品关联
DOI
高影响因子
Journal of Energy Chemistry
·
2020
·
IF 7.216
Miao Zhou,Shan Guo,Guozhao Fang,Hemeng Sun,Xinxin Cao,Jiang Zhou,Anqiang Pan,Shuquan Liang
The development of promising zinc anodes mainly suffers from their low plating/stripping coulombic efficiencies when using aqueous electrolyte, which are mainly associated with the interfacial formation of irreversible by-products. It is urgent to develop technologies that can solve this issue fundamentally. Herein, we report an artificial Sc 2 O 3 protective film to construct a new class of interface for Zn anode. The density functional theory simulation and experimental results have proven that the interfacial side reaction was inhibited via a stratified adsorption effect between this artificial layer and Zn anode. Benefiting from this novel structure, the Sc 2 O 3 -coated Zn anode can run for more than 100 cycles without short circuit and exhibit low voltage hysteresis, and the coulombic efficiency increases by 1.2%. Importantly, it shows a good application prospect when matched with two of popular manganese-based and vanadium-based cathodes. The excellent electrochemical performance of the Sc 2 O 3 -coated Zn anode highlights the importance of rational design of anode materials and demonstrates a good way for developing high-performance Zn anodes with long lifespan and high efficiency.
研究领域:
电化学
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
Advanced Science
·
2024
·Vol. 11
·期 29
·2401453
·
IF 14.3
Qian Xia,Shuoguo Yuan,Qiang Zhang,Can Huang,Jun Liu,Hongyun Jin
Li 1.3 Al 0.3 Ti 1.7 (PO 4 ) 3 (LATP) is one of the most attractive solid-state electrolytes (SSEs) for application in all-solid-state lithium batteries (ASSLBs) due to its advantages of high ionic conductivity, air stability and low cost. However, the poor interfacial contact and slow Li-ion migration have greatly limited its practical application. Herein, a composite ion-conducting layer is designed at the Li/LATP interface, which a MoS 2 film is constructed on LATP via chemical vapor deposition, followed by the introduction of a solid polymer (SP) liquid precursor to form a MoS 2 @SP protective layer. This protective layer not only achieves a lower Li-ion migration energy barrier, but also adsorbs more Li-ion, which is able to promote interfacial ion transport and improve interfacial contacts. Thanks to the improved migration and adsorption of Li-ion, the Li symmetric cell containing LATP-MoS 2 @SP exhibits a stable cycle of more than 1200 h at 0.1 mA cm −2 . More remarkably, the capacity retention of the full cell assembled with LiFePO 4 cathode is as high as 86.2% after 400 cycles at 1 C. This work provides a design strategy for significantly improving unstable interfaces of SSEs and realizing high-performance ASSLBs.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
·
2024
·
IF 4.1
Lei Zhou,Yating Wu,Yangyang Xie,Jian Li,Xuxia Zhang,Kejia Liu,Hui Zhang,Tao Qi
The development of large-scale grid storage systems has increased interest in redox flow batteries due to their flexible design characteristics, which can help overcome the intermittency of renewable energy. Zn-Ce redox flow battery is considered as one of the most promising redox flow batteries due to its high voltage and low cost. However, using Zn metal anodes in this context remains problematic due to issues with corrosion and dendrite growth, as well as electrolyte incompatibility, which limits their cycling performance and practical application. Herein, an indium-based protective layer is constructed on the Zn anode cooperating with a dual-membrane cell configuration to solve these problems. Due to its unique physical and chemical properties, the zincophilic indium protective layer can effectively prevent electrolyte corrosion as well as regulate the behavior of Zn plating and stripping. Moreover, a dual-membrane cell configuration is used to mitigate electrolyte incompatibility since it uses specified ions as charge carriers and blocks the infamous H + poisoning on the zinc side. The cell exhibits a high discharge voltage plateau of 2.2 V at 20 mA cm −2 and maintains a high average energy efficiency of 84.39 % over 80 cycles. This work presents a practical method to enhance the cycling performance of the Zn-Ce battery by incorporating an In-based protective layer with a dual-membrane cell configuration, resulting in unparalleled efficiency and stability.
研究领域:
能源存储
·
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）