ACS Applied Materials & Interfaces
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2024
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IF 8.3
Ke Xue,Shenglong Yang,Feiyan Lai,Xiaohui Zhang,Yishun Xie,Guangchang Yang,Kai Pan,Qingyu Li,Hongqiang Wang
O3-type layered oxides are considered promising cathode materials for next-generation high-energy-density sodium-ion batteries (SIBs). However, they face challenges, such as low rate capacity and poor cycling stability, which arise from structural deformation, sluggish Na+ diffusion kinetics, and interfacial side reactions. Herein, a synergistic substitution strategy for transitional and interstitial sites was adopted to improve the structure stability and Na+ diffusion kinetics of the O3-type NaNi0.2Fe0.4Mn0.4O2. Simulation results indicate that Co3+/B3+ codoping effectively lowers the Na+ migration energy barrier. In addition, the synergistic effect of Co3+/B3+ codoping provides ultralow lattice strain during repeated Na+ deintercalation/intercalation. In situ characterization verified that the complex phase transformation during charge and discharge was suppressed, thereby significantly improving the structural stability. At 1 and 3 C, the capacity retention of the modified O3–Na(Ni0.2Fe0.4Mn0.4)0.96Co0.04B0.02O2 (NFMCB) improved from 29.6% and 1.7% to 86.7% and 88.6% after 200 cycles, respectively. Even at 10 C, it could still produce 107.2 mAh·g–1. Furthermore, full cells assembled with this material and commercial hard carbon exhibit a high energy density of 316.2 Wh·kg–1 and a capacity retention of 80.8% after 200 cycles at 1 C. It is expected that this strategy will facilitate the commercialization of O3-type layered oxides.
研究领域:
材料科学
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电化学
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储能
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电池技术
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DOI
高影响因子
ACS Applied Materials & Interfaces
·
2021
·
IF 9.229
Si-Yuan Zhang,Ya-Nan Zhou,Lianzheng Yu,Min Fan,Wan-Ping Chen,Sen Xin,Ya-Xia Yin,Sailong Xu,Yu-Guo Guo
Sodium-ion batteries (SIBs) are currently the most promising candidates for large-scale energy storage devices owing to their low cost and abundant resources. Titanium-based layered oxides have attracted widespread attention as promising anode materials due to delivering a safe potential of about 0.7 V (vs Na+/Na) and a small volume contraction during cycles; P2-type Ti-based layered oxides are typically reported, due to the challenging synthesis of the O3-type counterpart resulting from the high percentage of unstable Ti3+. Herein, we report an anomalous O3–Na2/3Ni1/3Ti2/3O2 layered oxide as an ultrastable and high-rate anode material for SIBs. The anode material delivers a reversible capacity of 112 mA h g–1 after 300 cycles at 0.1 C, a good capacity retention rate of 91% after 1400 cycles at 2 C, and, in particular, a capacity of 52 mA h g–1 even at a high rate of 20 C (1780 mA g–1). Furthermore, the in situ X-ray diffraction monitoring reveals no phase transitions and almost zero strain both underlie the good long-cycle stability. The measured high apparent Na+ diffusion coefficient (2.06 × 10–10 cm2 s–1) and the low migration energy barrier (0.59 eV) from density functional theory calculations are responsible for the superior rate capability. Our results promise advanced high-performance O3-type Ti-based layered oxides as promising anode materials toward application for SIBs.
研究领域:
材料科学
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储能
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电化学
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电池技术
✓ 已验证
DOI
高影响因子
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
·
2022
·
IF 4.598
Jie Feng,Shao-hua Luo,YuXin Dou,Jun Cong,Xin Liu,Pengwei Li,Shengxue Yan,Qing Wang,Yahui Zhang,Xuefei Lei,Jianbo Gao
O3-type layered oxides have received extensive attention as a class of battery layered materials. However, problems such as rate capability, stable period difference, and voltage deviation of these oxides hinder their practical application. The method of orthogonal experiment was adopted, and the reaction temperature, raw material concentration, reaction time and ammonia concentration were regarded as single factors. Finally, the optimal conditions for synthesizing cathode materials were obtained as follows: the reaction temperature was 50 °C, the raw material concentration was 0.2 mol·L -1 , the reaction time was 16 h, and the ammonia concentration was 1 mol·L -1 . A layered oxide cathode material Co-free NaNi 0.2 Mn 0.2 Fe 0.6 O 2 with high iron content was synthesized by co-precipitation method. When the charging voltage is greater than 4 V, the higher the utilization rate of sodium ions, the higher the energy density. But the higher the cut-off voltage, the worse the cycle stability. Due to the low manganese content and the high iron content, the average oxidation state of manganese is low. 57 Fe-M o ¨ ssbauer spectroscopy showed that the synthesized samples had high spin Fe 3+ . Under the control of the optimal synthesis conditions, the specific discharge capacity of the reaction increased from 105 mAhּ·g −1 to 112.5 mAhּ·g −1 at 0.1C.
研究领域:
材料科学
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电化学
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储能技术
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无机合成
✓ 已验证
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2023
·
IF 9.9
Jingkai Zhou,Jing Liu,Yanyan Li,Zhongjun Zhao,Pengfei Zhou,Xiaozhong Wu,Xiaonan Tang,Jin Zhou
The P2/O3 biphasic layered oxide (Na x Mn 1-y M y O 2 , M: doping elements) is a cathode family with great promise for sodium-ion batteries (SIBs) because of their tunable electrochemical performance and low cost. However, the ultrahigh initial coulombic efficiency (ICE) and inferior cycling performance of P2/O3-Na x Mn 1-y M y O 2 need to be improved for practical application. Herein, Ni/Cu co-doped P2/O3-Na 0.75 Mn 1-y Ni y-z Cu z O 2 materials are well-designed. The ultrahigh ICE can be restrained by altering the ratio of P2/O3 via adjusting Ni content, and the structural stability can be improved by Cu doping via enlarging parameter c of O3 phase and suppressing irreversible P2-O2 phase transformation. The optimal P2/O3-Na 0.75 Mn 0.6 Ni 0.3 Cu 0.1 O 2 delivers a capacity of 142.4 with ICE of 107.8%, superior capacity retention in the temperature range of −40 ∼ 30 °C, and rate performance of 95.9 mAh g −1 at 1.2 A g −1 . The overall storage mechanism of P2/O3-Na 0.75 Mn 0.6 Ni 0.3 Cu 0.1 O 2 is revealed by the combination of electrochemical profiles, in situ X-ray diffraction, and first-principles calculations. The Na-ion full battery based on P2/O3-Na 0.75 Mn 0.6 Ni 0.3 Cu 0.1 O 2 cathode can achieve a remarkable energy density of 306.9 Wh kg −1 with a power density of 695.5 W kg −1 at 200 mA g −1 . This work may shed light on the rational design of high-performance P2/O3 biphasic layered cathode for SIBs.
研究领域:
材料科学
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电化学
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储能
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电池技术
✓ 已验证
DOI
高影响因子
ELECTROCHEMISTRY COMMUNICATIONS
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2021
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IF 4.724
Wei Xu,Xu Gao,Yige Zhou,Guoqiang Zou,Hongshuai Hou,Xiaobo Ji
An electrochemical collision method is utilized to compare the sodium de-insertion process in particles of quarternary sodium-containing layered metal oxides Na x TMO 2 (TM = Fe, Mn, Ni, Cu) in the O3 phase and the P2 phase. The electrochemical behavior of the two types of materials is found to be different. The diffusion of Na + inside an individual particle occurs more readily in O3-type oxides than in P2-type oxides, which is contrary to the conventional wisdom that P2-type oxides usually provide higher Na-ion conductivity than their O3 analogs. These results provide a more detailed analytical perspective for assessing battery materials.
研究领域:
电化学
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电池材料
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储能
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材料科学
✓ 已验证
DOI
高影响因子
Energies
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2026
·Vol. 19
·期 8
·1816
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IF 3.9
Jie Miao,Xichen Yang,Yongkang Zhou,Hao Wang,Gongchang Peng
P2/O3-type Ni/Mn-based layered oxides are regarded as promising cathode materials for sodium-ion batteries (SIBs) because of their high energy density. However, their practical application is limited by low initial Coulombic efficiency, sluggish Na+kinetics, transition-metal dissolution/migration and irreversible phase transitions during cycling. Herein, a controlled P2 phase was achieved through elemental ratio regulation, enabling systematic synthesis of a series of NaxNi0.4Co0.1Mn0.5O2(x-NCMO) materials with tailored P2/O3 ratios. The optimized composition (x = 0.8), containing 16.6% P2 and 83.4% O3 phases, achieves an optimal phase equilibrium, thereby maximizing the synergistic coupling between the two layered polymorphs. This biphasic architecture demonstrates significantly enhanced Na+transport kinetics and exceptional electrochemical performance, high initial capacity of 168.65 mAh g−1and excellent rate performance, maintaining 84.88 mAh g−1at 10 C, outperforming most reported P2/O3 biphasic cathodes. Structural analysis and electrochemical analysis reveal that elemental ratio regulation modulates the TM–O electronic structure, promotes electronic transport, and accelerates Na+migration. These effects collectively reduce polarization, stabilize the structure, and thereby improve rate capability and long-term cycling capacity retention. This work provides an effective design strategy for designing high-performance layered oxide cathodes with improved structural and interfacial stability.
✓ 已验证
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2023
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IF 5.2
Rui Zhang,Pengbin Wang,Qinghu Guo,Jiale Long,Taixiang Huang,Zhonghua Yao,Minghe Cao,Hanxing Liu,Hua Hao
Piezoelectric ceramics with high strain response and low hysteresis are highly in demand for high-performance actuator applications. Unfortunately, the trade-off relationship between large field-induced strain and low hysteresis in piezoelectric ceramics is a key challenge for designing high-performance piezoelectric actuators. Herein, y mol%La-doped 0.10 Pb(In 1/2 Nb 1/2 )O 3 - x PbZrO 3 -(0.90 – x )PbTiO 3 [0.10PIN- x PZ-(0.90-x)PT: y mol%La] ternary relaxor ferroelectric ceramics were prepared by conventional solid-state reaction technique. Pb(In 1/2 Nb 1/2 )O 3 (PIN) as a relaxor end member was introduced into (Pb,La) (Zr,Ti)O 3 (PLZT) system to improve relaxor characteristics and strain properties. A giant strain of 0.23% was obtained in 0.10PIN-0.59PZ-0.31 PT: 8mol%La ceramic at the electric field of 20 kV/cm, with a high piezoelectric d 33 * of 1150 pm/V and low hysteresis H y of 6.4%, exhibiting a potential application in high-performance piezoelectric actuators. Furthermore, the effects of La ion doping and components on the ferroelectric, dielectric and electric field-induced strain properties were investigated, and provides a new way for improve the strain properties of piezoelectric materials .
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产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
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2022
·
IF 6.371
Qiong Li,Hao Qian,Tianyang Zheng,Xiaoyuan Sun,Yunfei Liu,Yinong Lyu
The cation displacement closely related to the local symmetry and corner-connected oxygen octahedral rotation are the structural origin of macroscopic properties in ABO 3 perovskite oxides. This work describes in detail the relationship between microstructure and macroscopic properties in 0.78BT-0.12CT-0.1BZS ceramic, which achieves the enhanced strain of 0.19 % with a hysteresis of 6.56 %. The atomic level structure is revealed by aberration corrected scanning transmission electron microscope (AC-STEM). The AC-STEM HAADF images reveal the coexisting of polar nanoregions with O and T symmetries. Such a microstructure has a lower energy barrier, facilitating dynamic polarization rotation flexibly under external stimuli. The AC-STEM ABF image reveals the existence of the BO 6 octahedral rotation, with rotation patterns of the a 0 b 0 c 0 and a - b + c - , and rotation angles are quantitatively measured. The BO 6 octahedral rotation and cation displacement are found to be consistent, the greater octahedral rotation with greater cation displacements. These results have important implications for understanding the structural origin of the excellent properties in ferroelectrics .
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产品关联
DOI
高影响因子
APPLIED SURFACE SCIENCE
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2022
·
IF 7.392
Qian Zhang,Si Chen,Zhi Huang,Yanying Liu,Jun-ming Hong
Nitrogen atom doping can effectively improve the electrocatalytic performance of graphene materials, and different nitrogen species play various roles. At present, high calcination temperature is commonly used to promote the production of graphitic N. To realize the oriented low-temperature doping of nitrogen atoms in graphene structure, we used O 3 -annealing method in this study to successfully prepare high-content graphitic N doped graphene oxide at 200 °C. Characterization results revealed that O 3 -annealing method can effectively promote the doping of N and O atoms. In addition, O 3 -annealing creating large amount defects for graphene, which directionally promoted the formation of graphitic N (reach 96.82%), which positively affected the improvement of material electrocatalytic properties. The results of bisphenol A (BPA) electrocatalytic degradation by O 3 -5 min-60 °C NGO showed that the degradation efficiency of BPA can reach 100% in 50 min under optimal conditions. The main active substances, namely O 2 − and 1 O 2 were probably generated from the edge oxygen functional groups (O-C=O and C=O) of the materials. BPA underwent a series of reactions, and was finally mineralized to CO 2 and H 2 O. This study provides a new strategy for the directional preparation of high content graphitic N doped graphene oxide for practical application.
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产品关联
DOI
高影响因子
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
·
2022
·
IF 6.364
Linjing Liu,Bin Yang,Shuai Yang,Qiangwei Kou,Hang Xie,Yuan Sun,Yunfei Chang,Shan-Tao Zhang,Fei Li
Grain-oriented Pb(Mg 1/3 Nb 2/3 )O 3 -PbZrO 3 -PbTiO 3 (PMN-PZ-PT) based ceramics were synthesized through templated grain growth via using BaTiO 3 (BT) templates. Although BT templates are partially destroyed by PMN-PZ-PT matrix, CuO addition remarkably promotes [001] c -oriented grain growth behavior of the ceramics, resulting in an improvement of Lotgering factor F 001 from ~86% to 98%. Both crystallographic texture and CuO doping increase tetragonality and reduce average domain size of the ceramics dominated by rhombohedral phase. Consequently, 0.50 wt% CuO-doped ceramics ( F 001 ~98%) exhibit optimum electromechanical properties: d 33 ~860 pC/N, d 33 × g 33 ~48.6 × 10 −12 m 2 /N, k p ~0.80, E c ~7.2 kV/cm, tan δ ~0.8% and T c ~222 °C. In addition to ~3.7 times and 6.6 times higher d 33 and d 33 × g 33 , those ceramics possess about 240% enhanced piezoelectric strain and much better thermal stability ( S max / E max variation ≤2% between RT and 150 °C) relative to non-textured counterpart. This work offers a good paradigm for simultaneously exploring high piezoelectric response and good temperature stability in piezoceramics, benefiting the development of next-generation advanced electromechanical devices.
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产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2022
·
IF 16.744
Xiaopei Zhu,Peng Shi,Yangfei Gao,Ruirui Kang,Jiantuo Zhao,Andong Xiao,Wenjing Qiao,Jinyan Zhao,Zhe Wang,Xiaojie Lou
Dielectric ceramic capacitors with high energy density are one of the great bright energy storage devices. Here, the Bi 0.5 Na 0.5 TiO 3 , 0.75Bi 0.5 Na 0.5 TiO 3 -0.25SrTiO 3 , 0.65Bi 0.5 Na 0.5 TiO 3 -0.35SrTiO 3 and 0.88(0.65Bi 0.5 Na 0.5 TiO 3 -0.35SrTiO 3 )-0.12Bi(Mg 0.5 Hf 0.5 )O 3 , (abbreviated as BNT, BNT-25ST, BNT-35ST and BNST-BMH, respectively) ceramics were produced by solid state sintering method. The influence of solid solution of SrTiO 3 and Bi(Mg 0.5 Hf 0.5 )O 3 doping in Bi 0.5 Na 0.5 TiO 3 on crystal structure, microstructure, electrical and energy storage performance were evaluated systematically. By optimizing ceramics composition, high breakdown field and slim hysteresis loops were simultaneously realized due to enhanced band gap, refined grain size and nano-domains formed, which can be verified by the transmission electron microscope (TEM), piezoelectric force microscope (PFM) and ultraviolet–visible spectrum. Therefore, an ultrahigh recoverable energy density of 5.59 J/cm 3 with brilliant efficiency of 85.3% is realized in BNST-BMH ceramic. Besides, the BNST-BMH also exhibits prominent temperature stability at 20–140 °C, superior fatigue resistance beyond 10 5 cycles and outstanding frequency stability at 1–200 Hz. Our work offers a novel way for designing dielectric capacitors and also proves that BNST-BMH is indeed a great hopeful dielectric energy storage material in pulse power electronics.
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产品关联
DOI
高影响因子
Journal of Energy Storage
·
2024
·
IF 8.9
Yutao Zhang,Xiaohua Zhang,Pei Zhang,Yongqi Zhang,Peng Shi,Zhenxing Yue
Lead-free materials for energy storage are increasingly receiving attention due to their exceptional properties of high charging and discharging rates, high power density, and eco-friendliness. In this work, (1− x )Bi 0.5 Na 0.5 TiO 3 - x Bi(Ni 0.5 Hf 0.5 )O 3 (BNT-BNH, x = 0.05, 0.10, 0.15 and 0.20) ceramics were prepared for electrostatic energy storage. P - E loops results show that the introduction of Ni 2+ and Hf 4+ induces the formation of polar nanoregions (PNRs) and the phase transition from ferroelectric to relaxor ferroelectric in BNT ceramics. Transmission Electron Microscopy directly confirm the increase of crystal plane spacing implies a good solid solution of BNT-BNH, and the number of spherical PNRs increases significantly with increasing the BNH content. Herein, a recoverable energy storage density of 2.68 J/cm 3 and relative efficiency of 72.1 % are achieved for 0.8BNT-0.2BNH ceramics under 210 kV/cm. The 0.8BNT-0.2BNH ceramics also exhibit a fast discharge rate ( t 0.9 = 76 ns), high current density (403.1 A/cm 2 ), and high power density (12.85 MW/cm 3 ), which illustrates that BNT-BNH material systems have good application potential in electrostatic energy storage.
研究领域:
材料科学
·
能源工程
✓ 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）