JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
·
2021
·
IF 5.302
Lang Bian,Xudong Qi,Kai Li,Jinhui Fan,Zhanmiao Li,Enwei Sun,Bin Yang,Shuxiang Dong,Wenwu Cao
Ternary 0.552Pb(Ni 1/3 Nb 2/3 )O 3 -xPbZrO 3 -(0.448-x)PbTiO 3 (PNN-PZ-PT) ceramics near the triple point compositions were fabricated by an improved two-step sintering method. The triple point composition 0.552PNN-0.135PZ-0.313PT ceramic has outstanding piezoelectric performance with piezoelectric coefficient d 33 = 1200 pC/N. Its easy fabrication and low cost make this piezoelectric material an excellent candidate for high sensitivity sensors and ultrasonic transducers. The evolution of domain structures for ceramics with composition near the triple point provides deeper insight into the mechanism of ultrahigh piezoelectric properties of PNN-PZ-PT ceramics.
研究领域:
材料科学
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电陶瓷
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压电材料
·
传感器与执行器
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产品关联
DOI
高影响因子
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
·
2025
·
IF 6.2
Hao Li,Fei Liu,Lijin Cheng,Jiarui Huang,Shaojun Liu
Complex perovskite-structured Ba(Zn 1/3 Nb 2/3 )O 3 (BZN) ceramics with high B-site 1:2 ordering degree and excellent dielectric properties were successfully fabricated using digital light processing (DLP). BZN ceramic slurry with 82 wt. % solid loading, low viscosity, and high curing properties was used to prepare green bodies. The samples were exposed to debinding process in vacuum and then sintered at 1350–1450 ℃ for 4 h. The as-sintered BZN ceramics with disordered B-site structure exhibited significantly low dielectric properties. However, the BZN ceramics annealed at 1300 ℃ for 24 h with high B-site 1:2 ordering degree exhibited excellent dielectric properties ( ε r = 38.9, Q × f = 89,600 GHz, and τ f = 22 ppm/℃) that were identical to those of dry-pressed ceramics. Furthermore, a DLP-fabricated cylindrical BZN dielectric resonator antenna exhibited a >90% radiation efficiency and resonant frequency of 7.10 GHz ( S 11 = -29.94 dB), which is consistent with the simulation results.
研究领域:
材料科学
·
电子工程
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产品关联
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2025
·Vol. 52
·期 1
·1122-1131
·
IF 5.6
Yuyu Chen,Weiliang Li,Jingyu Zhang,Xiaomin Cheng,Jiaojie Xiao,Kaiwen Zhou,Wenwei Wu,Xuehang Wu
The practical application of O3-type layered oxide cathode materials in sodium-ion batteries is limited by their insufficient structural stability and poor interfacial compatibility, especially under high-voltage operation. In this work, a thin Y 2 O 3 coating is applied to the surface of Na 0.9 Cu 0.12 Ni 0.33 Mn 0.42 Ti 0.13 O 2 (CNMT). During high-temperature annealing, partial diffusion of Y 3+ ions into the CNMT lattice results in an expansion of the interlayer spacing within the sodium layer and a reduction in lattice oxygen vacancies. Owing to the stabilized Y 2 O 3 -modified interface and improved structural integrity, the CNMT modified with 2 wt% Y 2 O 3 (CNMT-2Y) demonstrates superior cycling performance in the voltage range of 2.2–4.3 V. Specifically, in a half-cell configuration, CNMT-2Y delivers an initial discharge capacity of 130.9 mAh g −1 and maintains 94.35 % of its capacity after 100 cycles at a current density of 100 mA g −1 . After being exposed to ambient air for 10 days, the material still retains 89.62 % of its capacity over 100 cycles under the same conditions, significantly outperforming the pristine CNMT (83.54 %). In a full-cell setup with hard carbon (HC) as the anode, CNMT-2Y provides an initial discharge capacity of 119.5 mAh g −1 and retains 77.14 % of its capacity after 150 cycles at 100 mA g −1 within 1.5–4.2 V. This facile dual-modification strategy shows promising potential for promoting the commercialization of O3-type layered oxide cathode materials.
研究领域:
材料科学
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电化学
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能源存储
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无机化学
·
固态化学
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产品关联
DOI
高影响因子
SCIENCE OF THE TOTAL ENVIRONMENT
·
2022
·
IF 10.753
Jie Wang,Haibao Liu,Yue Gao,Qinyan Yue,Baoyu Gao,Bo Liu,Kangying Guo,Xing Xu
Advanced oxidation processes (AOPs) such as ozonation and Fenton processes are widely used in the treatment of high-salt wastewater. The UV/O 3 pressurization process was designed and applied at the pilot-scale for treatment of actual high-salt textile wastewater. The UV/O 3 pressurization process achieved the highest decolorization (85 %) and chemical oxygen demand (COD Cr , 43.2 %) removal efficiency at an O 3 dosage of 200 g·t −1 and a pressure of 0.2 MPa. Compared to ordinary ozonation, the UV/O 3 pressurization process improved the solubility and gas-liquid mass transfer efficiency of O 3 in wastewater and generated a large number of O 3 microbubbles. Hydroxyl radical (·OH), superoxide radicals (O 2 · − ) and single oxygen ( 1 O 2 ) all played a significant role on the removal of pollutants in wastewater during the UV/O 3 pressurization process. The reverse osmosis (RO) process was used to evaluate the effect of UV/O 3 pressurization and Fenton pre-oxidation processes on the desalination process as the last process in treating high-salt organic wastewater. The pre-oxidation processes improved the initial RO water flux . Compared with the Fenton process, the UV/O 3 pressurization process had less membrane fouling (thin fouling layer vs thick fouling layer), and final water flux (59.4 LMH) was higher than that of Fenton process (34.9 LHM). The total dissolved solids (TDS), Cl − and SO 4 2− of the effluent from UV/O 3 pressurization process (37.2, 7.6 and 3.0 mg·L −1 ) were better than that of Fenton process (65.7, 13.9 and 7.1 mg·L −1 ). Therefore, the UV/O 3 pressurization process without secondary pollution is more suitable for the advanced treatment of high-salt organic wastewater than the Fenton process.
研究领域:
环境科学
·
水处理工程
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产品关联
DOI
PubMed
高影响因子
Energy Storage Materials
·
2023
·
IF 20.4
Pengfei Zhou,Zhennan Che,Jing Liu,Jingkai Zhou,Xiaozhong Wu,Junying Weng,Jinping Zhao,Heng Cao,Jin Zhou,Fangyi Cheng
Layered sodium manganese-based oxides are highly attractive cathode materials for sodium-ion batteries but suffer from limited initial coulombic efficiency (ICE) and poor structural stability. Herein, a high-entropy biphasic Na 0.7 Mn 0.4 Ni 0.3 Cu 0.1 Fe 0.1 Ti 0.1 O 1.95 F 0.1 cathode material is reported to exhibit remarkable ICE, rate capability and cyclability. In-situ structural analysis during the preparation of cathode reveals tunable P2/O3 ratios by changing the sintering temperature. The synthesized high-entropy oxide with a P2/O3 ratio of 23:77 (wt%) delivers a high ICE of 97.6%, a considerable discharge capacity of 86.7 mAh g −1 at current density of 800 mA g −1 , and respectable capacity retention in a wide temperature range from -40 to 50 °C. Additionally, full cell coupling Na 0.7 Mn 0.4 Ni 0.3 Cu 0.1 Fe 0.1 Ti 0.1 O 1.95 F 0.1 and hard carbon exhibits an energy density of 268.3 Wh kg −1 at power density of 1172 W Kg −1 based on the mass of cathode. Combined experimental and computational investigations suggest that the as-prepared Na 0.7 Mn 0.4 Ni 0.3 Cu 0.1 Fe 0.1 Ti 0.1 O 1.95 F 0.1 cathode favors reversible structural evolution, fast Na + diffusion kinetics, and low energy barriers due to the unique P2/O3 biphasic structure and high-entropy effect. This study brings an in-depth insight into the design and preparation of high-entropy P2/O3 biphasic cathode to build advanced sodium-ion batteries.
研究领域:
材料科学
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储能技术
·
电化学
·
无机化学
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DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2025
·Vol. 36
·期 24
·1-13
·
IF 2.8
Rafiq Muhammad Nasir,Dai Zhonghua,Zheng Yuanyuan,Li Xujun,Liu Chenxi,Zhao Xin,Cong Yu,Gu Shuitao
The performance of lead-based ceramics in energy storage applications is often hindered by their low energy density and inadequate phase transition properties. The (Pb, La) (Zr, Sn, Ti)O 3 (PLZST) antiferroelectric ceramics have attracted much attention as energy storage materials. In this work, ceramics Pb 1−1.5 x La x (Zr 0.93 Sn 0.05 Ti 0.02 )O 3 at ( x = 0.015, 0.025, 0.035, and 0.045) were prepared using a solid-state method, and their dielectric and energy storage characteristics were studied. It was observed that integrating lanthanum significantly improved the perovskite structure, reducing grain size and boosting the polarization intensity. In this present study, a recoverable energy storage density ( W rec ) of 6.24 J/cm 3 was achieved under an electric field of 270 kV/cm. Moreover, these ceramics demonstrated an impressive discharge energy density ( W dis ), with 90% of the energy released within 1.29 μs. The outcomes show that PLZST is a highly effective material for advanced energy storage, pulse power applications, and paving the way for technological advancements.
研究领域:
材料科学
·
陶瓷
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能量存储
·
固体物理
·
介电材料
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2019
·Vol. 30
·期 15
·14391-14404
·
IF 2.195
Yu Xuemin,Wang Junchuan,Sun Ying,Zhang Xueqin,Lin Baoping
A series of nanocomposite films loaded with various concentrations of fillers were successfully synthesized by solution casting method (BSCTZS nanoparticles (NPs) as filler and polyimide (PI) as polymer matrix). To improve the dispersion and the physical–chemical properties of (Ba 0.87 Sr 0.04 Ca 0.09 )(Ti 0.86 Zr 0.08 Sn 0.06 )O 3 (BSCTZS) NPs surface, BSCTZS NPs were modified by Al 2 O 3 coating and modified Al 2 O 3 @Nb-BSCTZS NPs/PI nanocomposite films were prepared. The prepared modified Al 2 O 3 @Nb-BSCTZS NPs were characterized by X-ray diffraction (XRD) analysis, and scanning electron microscopy (SEM), and the dielectric properties of these composites were characterized in details. As a result, the nanocomposite films filled with 5 vol% Al 2 O 3 @0.4mol%Nb-BSCTZS nanoparticles exhibit an excellent energy density of 2.11 J cm −3 at 298 kV/mm, which is 48% over the original pristine PI (1.42 J cm −3 at 313 kV/mm). This work can provide a prospective solution for the preparation of composite film materials with high dielectric constant and high energy density.
研究领域:
材料科学
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纳米技术
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电气工程
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DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2025
·Vol. 36
·期 10
·1-14
·
IF 2.8
Sun Yue,Sun Ruijin,Wang Wenxu,Wang Mengmeng,Li Weidong,Wen Pengcong,Zhang Dongyun
The complex phase transition of O3-type NaNi 1/3 Fe 1/3 Mn 1/3 O 2 (NFM) during charge/discharge process results in limited cycling stability and rate performance, significantly impeding its application in sodium-ion batteries. In this study, a series of NaNi 1/3-x Fe 1/3 Mn 1/3 Mg x O 2 ( x = 0, 0.03, 0.05) samples with varying concentrations of Mg substitution were synthesized using the solid-state method. The impact of Mg substitution on the crystal structure and the element ratio were investigated by XRD and ICP. It was found that Mg substitution not only reduces the content of Mn 3+ to suppress the Jahn–Teller effect in the material but also broadens the voltage range (from 3.3 V → 4.0 V → 2.74 V) of the pure P3 phase compared to the NFM (from 3.48 V → 4.0 V → 2.85 V), which significantly improve cycling performance. In addition, the DFT calculations indicate that the bandgap reduction and the electronic conductivity enhancement occur after Mg substitution, which results in significant improvement in rate performance. After 200 cycles at 1C, the NFM-Mg0.03 sample maintained a discharge-specific capacity as high as 104 mAhg −1 with a capacity retention rate reaching up to 87.5%. The discharge-specific capacity increases from 99.7 mAhg −1 (NFM) to 114.5 mAhg −1 (NFM-Mg0.03) at 2 C. Therefore, Mg substitution effectively improves the electrochemical performance and shows great potential for large-scale energy storage applications.
研究领域:
材料科学
·
电化学
·
能源存储
·
固态化学
·
电池技术
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产品关联
DOI
高影响因子
Journal of Materials Chemistry A
·
2023
·Vol. 11
·期 7
·3454-3463
·
IF 11.9
Lei Ding,Jinyan Zhao,Zhikang Bao,Shijie Zhang,Huaijie Shi,Jia Liu,Guoliang Wang,Xiaoge Peng,Xing Zhong,Jianguo Wang
H2O2 and O3 production through electrochemical synthesis is a promising approach to replace anthraquinone processes and corona discharge. However, the simultaneous generation of H2O2 and O3 and the use of their synergistic oxidation to degrade organic contaminants remains a challenge. Herein, heterojunction bifunctional ZnO/ZnS@C electrocatalysts were prepared by a one-step pyrolysis method. ZnO/ZnS@C-750 can achieve 90% selectivity for H2O2 and 11% Faraday efficiency for gaseous O3. The primary contributor to such a performance was exploited to accelerate the electron transfer on the heterogeneous interface and generate more reaction sites. H2O2 and O3 can also be simultaneously generated in the electrolyzer and the synergistic effect of H2O2 and O3 can be utilized to completely degrade organic pollutants, such as phenol and tetracycline. This work provided new insights into the design of the 2e− ORR (oxygen reduction reaction) and EOP (electrochemical ozone production) bifunctional electrocatalysts for pollutant degradation.
研究领域:
电化学
·
环境科学
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材料科学
·
催化
✓ 已验证
产品关联
DOI
高影响因子
Materials Today Communications
·
2022
·
IF 3.662
Weidong Li,Qiuyi Chen,Dongyun Zhang,Chen Fang,Song Nian,Wenxu Wang,Cong Xu,Chengkang Chang
Aiming for promoting the capacity and cycling stability of O3-type NaNi 1/3 Fe 1/3 Mn 1/3 O 2 (NFM), the cathode material of sodium ion batteries (SIBs) with the most potential for industrialization, Na(Ni 1/3 Fe 1/3 Mn 1/3 ) 0.99 Mo 0.01 O 1.99 F 0.01 (NFM-MoF), Na(Ni 1/3 Fe 1/3 Mn 1/3 ) 0.99 Mo 0.01 O 2 (NFM-Mo) and NaNi 1/3 Fe 1/3 Mn 1/3 O 1.99 F 0.01 (NFM-F) were successfully synthesized by solid phase method. The electrochemical performance of the doped samples was compared with that of the pristine NFM. The mechanism of the single- or dual-doping was explored by XRD Rietveld refinement and XPS. The NFM-MoF exhibits the highest initial specific discharge capacity of 137mAhg −1 at 1 C with a retention of 91.97% after 100 cycles and the smallest polarization (0.32 V), which could be contributed to the highest Ni 2+ content and highest D Na + (7.335 ×10 −13 cm 2 ·s −1 ) caused by the synergistic effect of Mo and F dual-doping. The highest Fe 3+ content in the NFM-Mo leads to the higher initial discharge capacity of 1 36 mAhg −1 at 1 C with a relative lower retention of 83.38%, which is due to the structure instability resulting from Fe migration and the lowest Mn content, than that of the NFM-F (85.31%). It illustrates that the Mn 4+ plays a crucial role in stabilizing the structure during Na + migrating. The superiority of the discharge capacity of the NFM-Mo become narrow with rates rise, due to its lower D Na + (4.229 ×10 −13 cm 2 ·s −1 ) than that of the NFM-F D Na + (5.681 ×10 −13 cm 2 ·s −1 ). It verifies that it is a diffusion control process at high rates. Mo and F dual-doping in NFM was proved to amplify the benefit of Ni 2+ increasing, meanwhile restrain undesirable Fe increasing due to the synergistic effect.
研究领域:
材料科学
·
电化学
·
储能技术
·
无机化学
·
固体物理
✓ 已验证
DOI
高影响因子
Journal of Energy Storage
·
2024
·
IF 8.9
Kehan Wang,Zhanglian Hong,Xiuquan Gu,Mingjia Zhi
The design of high-entropy O3-type layered oxides has been considered as an effective method for suppressing multiple phase transitions during cycling and improving stability. Herein, a series of high entropy layered oxides (HEOs) with different Mg:Sn ratios are investigated. It is found that the structural stability and electrochemical performance of these HEOs can be optimized by varying the Mg to Sn ratio. A lower Mg content is conducive to the formation of a single-phase HEO. An optimized HEO composition (namely NaNi 0.1 Co 0.2 Mn 0.2 Fe 0.2 Cu 0.1 Mg 0.04 Sn 0.16 O 2 ) exhibits high specific capacity (137.3 mAh g −1 at 0.1C) and good rate capability (~100 mAh g −1 at 1C). The cycling performance (capacity retention of ~87 % after 200 cycles at 0.5C) is also comparable to the reported O3-type HEOs. Such good performance can be attributed to its good redox activity, low interfacial impedance, higher Na + diffusion coefficient (2.26 × 10 −11 cm 2 s −1 ) and reversible O3-P3 phase transition.
研究领域:
材料科学
·
电化学
·
能源存储
·
无机化学
·
固态化学
✓ 已验证
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
·
IF 6.3
Xinwei Xie,Yaoliang Huang,Li Xu,Guangyu Luo,Haifeng Liu,Xinlong Zhang,Jinyue Yang,Junze Lei,Xiaoyuan Yu
O3-type Ni/Mn-based transition metal oxides have garnered significant interest as cathode materials for sodium-ion batteries (SIBs) due to their high specific capacity and abundant resources. However, their commercialization application has been impeded by rapid capacity fading owing to structural degradation, gas evolution, irreversible phase transitions during charge/discharge cycling. Herein, The Zr 4 + /F - dual-doped strategy is developed to boost the Na-storage performance of Ni/Mn-based O3-NaNi 0.3 Fe 0.1 Mn 0.47 Cu 0.1 Zr 0.03 O 2-x F x (NFMCZF-x) layered oxide cathode material prepared by high temperature calcination method. Structural and electrochemical analyses reveal that Zr⁴⁺ doping expands Na⁺-layer spacing and F⁻ doping strengthens transition metal-oxygen bonds. These synergistic effects of Zr 4+ /F - dual-doping is benefit to suppressing O3↔P3 phase transitions, Jahn-Teller distortion and irreversible oxygen redox. Thus, the optimized NFMCZF-0.03 cathode delivers high specific capacity (178 mAh g −1 at 0.1 C) and excellent cycling stability (72 % capacity retention after 100 cycles at 1.0 C). This study establishes dual doping as an effective strategy for developing Ni/Mn-based layered oxide as high-performance cathodes for SIBs.
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产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）