Journal of Water Process Engineering
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2025
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IF 6.7
Shilong Wang,SuNa Wang,Weiyi Zhao,Shiyu Fang,E. Yang,Runze Xu,Fang Fang,Weijing Liu,Jiashun Cao,Song Cheng
Recovering phosphorus (P) from wastewater benefits both the environment and the field of clean energy. Vivianite is a key precursor for clean energy lithium batteries, making it a highly valuable and promising product in wastewater P recovery. As a widely used cathode material in lithium-ion batteries, LiFePO 4 is valued for its excellent thermal stability, safety, and long cycle life, making it a promising material for sustainable energy applications. However, the large amount of aluminium (Al) present in the recirculated sludge can be released into the supernatant during the anaerobic digestion process, which affects the recovery of vivianite and further impacts the performance of LiFePO 4 . This study investigated the effect of Al on vivianite crystallization throughout the P recovery process and explored the direct synthesis of LiFePO 4 using Al-containing vivianite. Varying initial Al concentrations were examined to understand their influence on the crystallization kinetics, purity, and morphology of vivianite. At low Al concentrations (1–50 mg/L), Al formed amorphous aluminium phosphate that attached to vivianite crystals via electrostatic interactions and surface adsorption. At high Al concentrations (100–300 mg/L), Al predominantly entered the solid phase through co-precipitation, significantly inhibiting vivianite formation. LiFePO 4 /C cathode materials were synthesized using the recovered Al-containing vivianite. The results revealed that Al existed as inert substances within LiFePO 4 /C, reducing its crystallinity and specific discharge capacity. These findings elucidate how Al affects vivianite crystallization during P recovery and provide theoretical insights for converting Al-containing vivianite into value-added LiFePO 4 .
研究领域:
环境科学
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能源材料科学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF NANOPARTICLE RESEARCH
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2015
·Vol. 17
·期 6
·1-8
·
IF 2.184
Du Guangrong,Guo Xueyi,Yang Wenchao,Bi Yujing,Du Rui,Liu Yang,Wang Deyu
In this work, nano -LiMn 0.8 Fe 0.2 PO 4 /C is synthesized via dimethyl sulfoxide-assisted co-precipitation route, and various additives are introduced to disturb the phosphate crystal growth. Among the investigated systems, introducing beta-cyclodextrin and ascorbic acid decreases the surface area of the prepared samples, whereas involving hexadecyltrimethyl ammonium bromide (CTAB) effectively diminishes the particle size of LiMn 0.8 Fe 0.2 PO 4 . Due to the reduced diffusion length and augmented active area, samples from systems containing CTAB exhibited improved electrochemical performance, 155 mAh g −1 at 0.05 C and 120 mAh g −1 at 5 C, relative to the control sample (152 and 114 mAh g −1 at 0.05 and 5 C). Our results indicate that the LiMnPO 4 kinetics could be tailored using appropriate additives.
研究领域:
材料科学
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电化学
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Energy Materials
·
2022
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IF 6.959
Yuanchao Li,Baoyan Xing,Zhenguang Wang,Huishuang Zhang,Yanyan Liu,Jianchun Jiang,Shuting Yang,Baojun Li
The construction of an ionic/electronic conducting network is crucial for achieving satisfactory electrochemical performances of LiMnPO4 materials because of their low conductivity and the dissolution of Mn2+. Herein, a hierarchical LiMn0.8Fe0.2PO4/C composite comodified with Li3PO4 and graphite is synthesized via a facile solid-state method combined with freeze drying. The ionic conductor Li3PO4 in situ generated can improve the lithium-ion conductivity and inhibit the reaction of Mn ions with electrolytes. An electronic conducting network is formed through the secondary coating graphite and the residual carbon in situ created within the grain boundaries of LiMnPO4 nanocrystallites. Taking advantage of the synergy effect, the Li3PO4 and graphite comodified LiMn0.8Fe0.2PO4/C material yields an initial discharge capacity of 150 mA h g–1at 0.1 C, a high-rate reversible capacity of 136 mA h g–1at 5 C, and a long-term capacity retention of 91.6% after 500 cycles at 2 C. The design strategy provides a significant inspiration for the development of high-performance cathode materials with practical application.
研究领域:
材料科学
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电化学
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纳米科技
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能源存储
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固体化学
✓ 已验证
DOI
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
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2024
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IF 8.1
Ning Wei,Sufeng Zhang,Xue Yao,Yao Feng,Valentin Nica,Jinfan Yang,Qiusheng Zhou
Biomass electrocatalytic-conversion coupled with hydrogen generation exhibits low energy consumption, efficient hydrogen production and green syntheses of value-added chemicals. However, constructing electrocatalysts with precise electronic modulation and structures for efficient biomass electrocatalytic conversion coupled hydrogen production remains challenging. Herein, a bacterial cellulose substrate was combined in situ with a Mn-doped NiFe Prussian blue analogue (PBA) precursor, and one-step carbonization-phosphorylation was developed for the preparation of Mn-doped nickel iron phosphate (MNFP) embedded in a P, N codoped carbon (PNC) substrate grown directly on P-doped carbonized bacterial cellulose (MNFP-PNC/PCBC). Benefiting from the three-dimensional network structure of P-doped carbonized bacterial cellulose (PCBC) and atomic doping, MNFP-PNC/PCBC exhibited an optimized electronic structure, abundant active sites and excellent electrical conductivity. Therefore, the voltages required with hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and glucose electrocatalytic-conversion (GCR) to drive a current density of 50 mA cm −2 were 0.214, 1.5, and 1.34 V, respectively. Moreover, the required cell voltage of the novel electrolyser containing MNFP-PNC/PCBC as electrodes can be further reduced to 1.55 V at 50 mA cm −2 compared to overall water splitting, resulting in more than 8-time improvement in hydrogen production efficiency and production of value-added formate. This work provides a unique approach for electrocatalytic-conversion of biomass coupled with electrocatalytic hydrogen generation.
研究领域:
材料科学
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电化学
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能源转换
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产品关联
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2023
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IF 5.2
Zewei Chen,Weigang Wang,Jianguo Duan,Feipeng Qian,Yuanpeng Cao,Jingjing He,Ding Wang,Peng Dong,Yingjie Zhang
Among various lithium-ion batteries cathode materials , olivine-type phosphate LiMnPO 4 has the advantages of high working voltage, superior theoretical energy density and high stability, however, its electronic and ionic insulation limit its application. In this work, LiMn 0.90 Fe 0.10 PO 4 /C (LMFP@C) nano composites are prepared via a mechanochemical activation assisted carbothermal reduction method, and the consequence of carbon coating amount on the electrochemical performance of the materials is discussed in detail. The results of physical and chemical properties analysis show that the mechanical liquid activation process can effectively reduce the particle size of the precursor to nanometer scale and make the raw material mixed evenly. The high crystallinity , particle nanometrization and uniform carbon coating enable LMFP@C composites with excellent electrochemical performance even when a small amount of carbon coating is introduced. Under an optimizing coated carbon amount of 2.5 wt%, the material showed ∼4.0 V and ∼3.6 V voltage platforms at 0.1, 0.2, 0.5, 1, and 2C, and released discharge specific capacities of ∼155 mAh·g −1 and ∼140 mAh·g −1 at 0.1 and 1C, respectively. It also shows optimal cycling stability with a capacity retention rate ∼100% after 100 cycles at 2C.
研究领域:
材料科学
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电化学
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纳米科技
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能源存储
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无机非金属材料
✓ 已验证
DOI
高影响因子
JOURNAL OF POWER SOURCES
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2013
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IF 4.675
B.Z. Li,Y. Wang,L. Xue,X.P. Li,W.S. Li
A novel LiMn 0.8 Fe 0.2 PO 4 /C composite is synthesized via a sol–gel process. In this composite, acetylene black is embedded in LiMn 0.8 Fe 0.2 PO 4 . The structure and morphology of the resulting composite are characterized with XRD , SEM, TEM, and BET, and its performance as the cathode of lithium ion battery is investigated by charge–discharge test and EIS , with a comparison of the sample prepared without embedding acetylene black. It is found that the embedded composite exhibits better performance than the non-embedded sample. The former delivers a reversible capacity of 160 mAh g −1 , while the latter only 142 mAh g −1 at 0.1 C (1C = 150 mAh g −1 in the work). The embedded acetylene black not only functions as a barrier for the growing of LiMn 0.8 Fe 0.2 PO 4 particles in the preparation process, which is important for the formation of nano-particles, but also helps build a stable conductive network, thus improving the charge–discharge performance of LiMn 0.8 Fe 0.2 PO 4 .
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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纳米材料
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电池技术
✓ 已验证
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Guanghua Guo,Xiaosong Zhang,Longhao Cao,Xinliao Peng,Wanli Wei,Meilan Peng,Jin Zhu,Zhiyuan Lin,Yonggao Xia
Lithium-rich manganese-based layered oxides (LLMO) have emerged as a promising candidate for next-generation lithium-ion battery (LIB) cathodes. However, the practical application in energy storage systems is hindered by structural instability and severe interfacial side reactions. To address the problems, a hierarchical heterostructure consisting of a chemically stable LiMn 0.6 Fe 0.4 PO 4 (LMFP) coating layer and an in-situ formed spinel interphase to stabilize LLMO cathodes. Structural and compositional analysis confirm that the LMFP coating acts as a physical barrier, mitigating electrolyte induced degradation, while the spinel phase provides three-dimensional ion diffusion channels, enhancing Li + transport kinetics. The LLMO@LMFP composite exhibits a high reversible capacity of 162.5 mAh·g −1 at 0.1C, 92.9 % capacity retention after 100 cycles at 1C, and minimal voltage decay (0.2 mV cycle −1 ). This study establishes a materials design strategy that integrates structural stabilization with ion transport optimization, providing a pathway for the development of high-energy, long-lifespan LIB.
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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纳米技术
✓ 已验证
产品关联
DOI
高影响因子
Acta Biomaterialia
·
2017
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IF 6.319
Yongwei Hao,Cuixia Zheng,Lei Wang,Jinjie Zhang,Xiuxiu Niu,Qingling Song,Qianhua Feng,Hongjuan Zhao,Li Li,Hongling Zhang,Zhenzhong Zhang,Yun Zhang
Amorphous biodegradable metal phosphate nanomaterials are considered to possess great potential in cancer theranostic application due to their promise in providing ultra-sensitive pH-responsive therapeutic benefits and diagnostic functions simultaneously. Here we report the synthesis of photosensitising and acriflavine-carrying amorphous porous manganese phosphate (PMP) nanoparticles with ultra-sensitive pH-responsive degradability and their application for a photoactivable synergistic nanosystem that imparts reactive oxygen species (ROS) induced cytotoxicity in synchrony with hypoxia-inducible factor 1α/vascular endothelial growth factor (HIF1α/VEGF) inhibitor that suppresses tumor growth and treatment escape signalling pathway . Carboxymethyl dextran (CMD) is chemically anchored on the surface of porous manganese phosphate theranostic system through the pH-responsive boronate esters. Upon the stimulus of the tumor acid microenvironment, manganese phosphate disintegrates and releases Mn 2+ ions rapidly, which are responsible for the magnetic resonance imaging (MRI) effect. Meanwhile, the released photosensitizer chlorin e6 (Ce6) produces ROS under irradiation while acriflavine (ACF) inhibits the HIF-1α/VEGF pathway during the burst release of VEGF in tumour induced by photodynamic therapy (PDT), resulting in increased therapeutic efficacy. Considering the strong pH responsivity, MRI signal amplification and drug release profile, the PMP nanoparticles offer new prospects for tumor acidity-activatable theranostic application by amplifying the PDT through inhibiting the HIF-1α /VEGF pathway timely while enhancing the MRI effect. Statement of Significance In this study, we report the synthesis of the tumor acidity-activatable amorphous porous manganese phosphate nanoparticles and their application for a photoactivable synergistic nanosystem that imparts reactive oxygen species (ROS) induced cytotoxicity in synchrony with hypoxia-inducible factor 1α/vascular endothelial growth factor (HIF-1α/VEGF) inhibitor that suppresses tumor growth and treatment escape signalling pathway. Besides, upon the stimulus of the tumor acid microenvironment, the manganese phosphate nanoparticles finally disintegrate and release Mn 2+ ions rapidly, which are responsible for the magnetic resonance imaging (MRI) effect. This nanoplatform is featured with distinctive advantages such as ultra pH-responsive drug release, MRI function and rational drug combination exploiting the blockage of the treatment escape signalling pathway.
研究领域:
癌症治疗
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纳米技术
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分子成像
·
生物医学工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ELECTROANALYSIS
·
2021
·Vol. 34
·期 2
·345-351
·
IF 3.223
Xiaofang Zhang,Jing Chen,Qia Wang,Bing Du,Gaochao Fan,Weidong Zheng,Haipeng Yang,Tailin Xu
Sarcosine level in serum is of important clinical significance in distinguishing prostate cancer. This work depicts an amperometric sarcosine biosensor with good anti-interference performance by electro-codepositing manganese phosphate, 3,4-ethylenedioxythiophene (EDOT) and indole-6-carboxylic acid (IA) on the glass carbon electrode. The prepared sarcosine biosensor has a wide linear detection range (1–55 μM) with a low detection limit of 0.11 μM. This work provides an anti-interference approach by controlling the surface charge density of the biosensor to sarcosine sensing, which has great potential to be used as point of care testing (POCT) device for the rapid detection of prostate cancer biomarkers.
研究领域:
生物医学工程
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分析化学
·
癌症研究
✓ 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）