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High-energy-density lithium manganese iron phosphate for lithium-ion batteries: Progresses, challenges, and prospects

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Journal of Energy Chemistry 2025年第1期100卷 1-17页

作者： Bokun Zhang Xiaoyun wang Shuai wang Yan Li Libo Chen Handong Jiao Zhijing Yu Jiguo Tu State Key Laboratory of Advanced Metallurgy University of Science and Technology Beijing Research Institute for Intelligent Wearable Systems The Hong Kong Polytechnic University Institute of Advanced Structure Technology Beijing Institute of Technology

The soaring demand for smart portable electronics and electric vehicles is propelling the advancements in high-energy–density lithium-ion *** manganese iron phosphate (LiMnxFe1-xPO4) has garnered significant attention as a promising positive electrode material for lithium-ion batteries due to its advantages of low cost,high safety,long cycle life,high voltage,good high-temperature performance,and high energy *** LiMnxFe1-xPO4has made significant breakthroughs in the past few decades,there are still facing great challenges in poor electronic conductivity and Li-ion diffusion,manganese dissolution affecting battery cycling performance,as well as low tap *** review systematically summarizes the reaction mechanisms,various synthesis methods,and electrochemical properties of LiMnxFe1-xPO4to analyze reaction processes accurately and guide material ***,the main challenges currently faced are concluded,and the corresponding various modification strategies are discussed to enhance the reaction kinetics and electrochemical performance of LiMnxFe1-xPO4,including multi-scale particle regulation,heteroatom doping,surface coating,as well as microscopic morphology ***,in view of the current research challenges faced by intrinsic reaction processes,kinetics,and energy storage applications,the promising research directions are *** importantly,it is expected to provide key insights into the development of high-performance and stable LiMnxFe1-xPO4materials,to achieve practical energy storage requirements.

关键词： Lithium manganese iron phosphate High energy density Lithium-ion batteries Reaction mechanism Tap density

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Flexible molecules dedicate to release strain of inverted inorganic perovskite solar cell

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Journal of Energy Chemistry 2025年第1期100卷 87-93页

作者： Hongrui Sun Sanlong wang Pengyang wang Yali Liu Shanshan Qi Biao Shi Ying Zhao Xiaodan Zhang Institute of Photoelectronic Thin Film Devices and Technology Renewable Energy Conversion and Storage Center State Key Laboratory of Photovoltaic Materials and CellsNankai University Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin Haihe Laboratory of Sustainable Chemical Transformations Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of Education Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)

The tensile strain in inorganic perovskite films induced by thermal annealing is one of the primary factors contributing to the inefficiency and instability of inorganic perovskite solar cells （IPSCs）,which reduces the defect formation ***,a flexible molecule 5-maleimidovaleric acid （5-MVA） was introduced as a strain buffer to release the residual strain of *** anhydride and carboxyl groups in 5-MVA interact strongly with the uncoordinated Pb2+through Lewis acid-base reaction,thus tightly“pull”the perovskite *** in-between soft carbon chain increased the structural flexibility of CsPbI2.85Br0.15perovskite materials,which effectively relieved the intrinsic internal strain of CsPbI2.85Br0.15,resisted the corrosion of external strain,and also reduced the formation of defects such as VIand *** addition,the introduction of 5-MVA improved crystal quality,passivated residual defects,and narrowed energy level ***,power conversion efficiency （PCE） of NiOxbased inverted IPSCs increased from 19.25% to 20.82% with the open-circuit voltage enhanced from 1.164 V to 1.230 *** release of strain also improved the stability of CsPbI2.85Br0.15perovskite films and devices.

关键词： Inverted inorganic perovskite solar cells Flexible molecules Strain release Crystallization Energy barrier High PCE

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Types　and　characters　of　sub-bottom　acoustic　reflection　in　eastern　part　of　Bohai　Sea

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Acta Oceanologica Sinica 1997年第2期16卷 225-237页

作者： wang, Kuiyang Liu, zhenxia Xia, Dongxing First Institute of Oceanography State Oceanic Administration Qingdao 266003 China

Ｈｉｇｈ－ｒｅｓｏｌｕｔｉｏｎｓｕｂ－ｂｏｔｔｏｍｐｒｏｆｉｌｅｒｈａｓｒｅｖｅｄｅｄｓｅｄｉｍｅｎｔａｌｓｔｒａｔａａｎｄｅｎｔｉｒｏｎｍｅｎｔｓｉｎｔｈｅｅｕｔｔｍｐ．ｏｆｔｈｅｌ３ｏｈａｉＳｅａｓｉｎｃｅｔｈｅ... 详细信息

Ｈｉｇｈ－ｒｅｓｏｌｕｔｉｏｎｓｕｂ－ｂｏｔｔｏｍｐｒｏｆｉｌｅｒｈａｓｒｅｖｅｄｅｄｓｅｄｉｍｅｎｔａｌｓｔｒａｔａａｎｄｅｎｔｉｒｏｎｍｅｎｔｓｉｎｔｈｅｅｕｔｔｍｐ．ｏｆｔｈｅｌ３ｏｈａｉＳｅａｓｉｎｃｅｔｈｅｌｔａｔｅＰｌｅｉｓｔｏｃｅｎｅ．Ａｔｃｃｏｒｄｉｎｇｔｏｔｈｅｃｈａｒａｃｔｅｒｓｏｆａｃａｕｓｅｉｃｒｅｆｌｅｃｔｉｏｎａｎｄｓｅｉｓｍｉｃｔｓｔｒａｔｔｌｇｍｐｈｉｃｐｒｉｎｃｉ－ｐｌｅ，ｓｏｍｅｃｌｔ．ｉｆｉｃａｔｉｏｎｏｆｔｙｐｉｃａｌａｃｏｕｓｔｉｃｒｅｆｌｅｃｔｉｏｎｉｓｎｚａｄｅｏｕｔｔｎｄｗｉＵｂｅｆａｖｏｕｒａｂｌｅｆｏｒｉｎｔｅｒｐｒｅｔａｔｉｏｎａｎｄｒｅｃｏｇｎｂａｔｉｏｎｏｆａｏｏｕｓｔｉｃｐｒｏｆｉｌｅｓｉｎｔｈｉｓａｒｅａ

关键词： characters sub-bottom acoustic and Bohai

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干熄焦烟气脱硫技术基础性研究

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冶金能源 2019年第3期38卷 62-64页

作者：蔡继莹吴思成金胜沈晓旺王桢遐华泰永创(北京)科技股份有限公司

结合国内多家焦化厂干熄焦烟气SO_2浓度资料和检测结果,确定干熄焦烟气SO_2浓度值。综合分析湿法、半干法、干法脱硫技术优缺点,最终建立干熄焦烟气脱硫除尘最佳工艺流程,以满足国家规定的相关烟气排放标准。

关键词：干熄焦脱硫循环流化床法排放标准

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Synergistically enhanced ORR and HER performance on Co-N-C coupled in-situ generated PtCo intermetallic

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Journal of Energy Chemistry 2025年第1期100卷 721-729页

作者： Guanyu Luo Min Song Lulu An Xiao Huang Qian Zhang Chenhao Zhang Tao Shen Shuang wang Deli wang Key Laboratory of Material Chemistry for Energy Conversion and Storage (Huazhong University of Science and Technology) Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology

Integrating multi-scale sites in a composite catalyst is vital to realize efficient ***,a synergistic composite catalyst consisting of Co atomic sites and in-situ generated PtCo intermetallic compounds （IMCs）(o-PtCo@CoNC) is proposed through Co pre-anchoring and subsequent impregnation-reduction *** loading of Co atoms provides a chance for in-situ generating PtCo ordered intermetallic *** remaining Co single atoms and PtCo IMCs construct synergistic electrocatalytic *** from the ordered structure,synergistic effect of Pt Co IMCs and Co single atoms,o-PtCo@CoNC exhibits excellent electrocatalytic performance for oxygen reduction reaction （ORR） and hydrogen evolution reaction （HER） with mass activity of 1.21 A mgPt-1（at 0.9 V） and5.70 A mgPt-1（at an overpotential of 100 mV）,***,o-PtCo@CoNC delivers negligible loss of half-wave potential and overpotential during long-term stability test in acid solutions,with 13 mV decay after 50,000 potential cycles for ORR and a 2.7 mV decay after 20,000 potential cycles for *** integration strategy of single-atomic sites coupled IMCs paves the way for enhancing the activity and durability of Pt-based electrocatalysts.

关键词： Electrolytic reduction

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EZH2-dependent myelination following sciatic nerve injury

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Neural Regeneration Research 2025年第8期20卷 2382-2394页

作者： Hui Zhu Li Mu Xi Xu Tianyi Huang Ying wang Siyuan Xu Yiting wang Wencong wang Zhiping wang Hongkui wang Chengbin Xue Research Center of Clinical Medicine Affiliated Hospital of Nantong UniversityKey Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationCo-innovation Center of NeuroregenerationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsNantong UniversityNantongJiangsu ProvinceChina Medical School of Nantong University NantongJiangsu ProvinceChina Department of Neurology Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina Department of Rehabilitation Medicine Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina Department of Critical Care Medicine Nantong Fourth People’s HospitalNantongJiangsu ProvinceChina

Demyelination and remyelination have been major focal points in the study of peripheral nerve regeneration following peripheral nerve ***,the gene regulatory network of regenerated myelin differs from that of native *** of enhancer of zeste homolog 2(EZH2)hinders the differentiation,maturation,and myelination of Schwann cells in *** further determine the role of EZH2 in myelination and recovery post-peripheral nerve injury,conditional knockout mice lacking Ezh2 in Schwann cells(Ezh2^(fl/fl);Dhh-Cre and Ezh2^(fl/fl);Mpz-Cre)were *** results show that a significant proportion of axons in the sciatic nerve of Ezh2-depleted mice remain *** highlights the crucial role of Ezh2 in initiating Schwann cell ***,we observed that 21 days after inducing a sciatic nerve crush injury in these mice,most axons had remyelinated at the injury site in the control nerve,while Ezh2^(fl/fl);Mpz-Cre mice had significantly fewer remyelinated axons compared with their wild-type *** suggests that the absence of Ezh2 in Schwann cells impairs myelin formation and *** conclusion,EZH2 has emerged as a pivotal regulatory factor in the process of demyelination and myelin regeneration following peripheral nerve *** EZH2 activity during these processes may offer a promising therapeutic target for the treatment of peripheral nerve injuries.

关键词： demyelination EZH2 myelination peripheral nerve injury PRC2 remyelination Schwann cells sciatic nerve crush sciatic nerve transection

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艾纳香油质量标准初步研究

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热带农业科学 2016年第9期36卷 87-91页

作者：胡璇陈振夏王凯黄梅吴丽芬庞玉新中国热带农业科学院热带作物品种资源研究所/农业部华南作物基因资源与种质创制重点开放实验室海南儋州571737 海南省艾纳香工程研究中心海南儋州571737

以不同批次的艾纳香油为对象,通过观察其外观性状,测定其溶解性、比旋度以及相对密度等物理特性,并采用薄层层析法(TCL)和气相(GC)指纹图谱对收集的艾纳香油成分进行定性分析,对艾纳香油的质量标准进行初步研究。结果表明:艾纳香油为澄... 详细信息

以不同批次的艾纳香油为对象,通过观察其外观性状,测定其溶解性、比旋度以及相对密度等物理特性,并采用薄层层析法(TCL)和气相(GC)指纹图谱对收集的艾纳香油成分进行定性分析,对艾纳香油的质量标准进行初步研究。结果表明:艾纳香油为澄清、棕红色的液体,有特异的芳香气,易溶于乙醇、氯仿、乙醚,几乎不溶于水,比旋度宜为-26°^-30°,相对密度宜为0.94~0.98,β-石竹烯和l-龙脑TCL斑点清晰,分离良好,GC指纹图谱得到17个共有峰,均含有有效成分β-蒎烯、芳樟醇、樟脑、l-龙脑、β-石竹烯,相似度均在0.90以上。分析检测方法简便、可靠,可为艾纳香油的质量控制提供参考依据。

关键词：艾纳香油物理性状薄层色谱 GC指纹图谱质量控制

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IL-6、CCL-18表达情况对乳腺癌病理诊断的相关性分析及其临床意义

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肿瘤药学 2018年第1期8卷 69-72页

作者：张晔石海英赵德芳王震霞张雅峰内蒙古医科大学附属医院普外科内蒙古呼和浩特010050 内蒙古医科大学附属医院保健中心内蒙古呼和浩特010050

目的探讨IL-6、CCL^(-1)8表达情况对乳腺癌临床病理诊断的相关性及其作用机制。方法选取2013年3月~2015年6月我院收治的32例乳腺癌患者(乳腺癌组)、28例乳腺良性肿瘤患者(乳腺良性病变组)和30例健康体检者(健康对照组)作为研究对象,采... 详细信息

目的探讨IL-6、CCL^(-1)8表达情况对乳腺癌临床病理诊断的相关性及其作用机制。方法选取2013年3月~2015年6月我院收治的32例乳腺癌患者(乳腺癌组)、28例乳腺良性肿瘤患者(乳腺良性病变组)和30例健康体检者(健康对照组)作为研究对象,采用酶联免疫吸附法(ELISA)测定血清IL-6、CCL^(-1)8水平,比较三组及乳腺癌组不同临床分期血清IL-6、CCL^(-1)8水平,并探讨IL-6、CCL^(-1)8水平与临床病理参数的关系及其意义。结果乳腺癌组和乳腺良性病变组血清IL-6、CCL^(-1)8水平明显高于健康对照组,且乳腺癌组血清IL-6、CCL^(-1)8水平明显高于乳腺良性病变组,差异有统计学意义(P<0.05);乳腺癌组患者血清IL-6、CCL^(-1)8水平随临床分期的增加呈逐渐升高趋势,差异有统计学意义(P<0.05);乳腺癌组血清IL-6水平在TNM分期晚期(Ⅲ~Ⅳ)、淋巴结转移、Ki67≥20%、ER阳性患者中表达明显升高,差异有统计学意义(P<0.05);CCL^(-1)8水平在TNM分期晚期(Ⅲ~Ⅳ)、Ki67≥20%患者中表达明显升高,差异有统计学意义(P<0.05)。结论IL-6、CCL^(-1)8在乳腺癌中呈高表达,可提示患者病情恶化,预后差,并可能参与了乳腺癌的发生和发展。

关键词：乳腺癌白细胞介素-6 趋化因子配体18 作用机制

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临床药师参与耐碳青霉烯类铜绿假单胞菌重度肺部感染伴支气管扩张患者的多学科诊疗实践

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中国临床药学杂志 2020年第3期29卷 219-223页

作者：吕勋国翟晓波王振霞闵婕林毅谢国钢上海曲阳医院药剂科上海200092 上海东方医院药剂科上海200120 上海第一人民医院重症监护室上海200080 上海市浦东新区精神卫生中心一病区上海200124 上海第一人民医院内分泌科上海200080 上海第一人民医院呼吸科上海200080

目的通过参与1例支气管扩张患者感染耐碳青霉烯类铜绿假单胞菌的药物治疗,探讨多学科诊疗团队的作用。方法根据患者多种疾病并存的临床特点,组建多学科诊疗团队,开展联合诊疗。结果在控制基础疾病,如2型糖尿病时,通过积极优化降糖方案,... 详细信息

目的通过参与1例支气管扩张患者感染耐碳青霉烯类铜绿假单胞菌的药物治疗,探讨多学科诊疗团队的作用。方法根据患者多种疾病并存的临床特点,组建多学科诊疗团队,开展联合诊疗。结果在控制基础疾病,如2型糖尿病时,通过积极优化降糖方案,有助于减少基础疾病对抗感染的治疗效果。在抗感染方面,由经验治疗逐渐过渡到靶向治疗,建立了个体化精准用药方案,并取得了较好的疗效。结论多学科诊疗是今后对疑难病危重病的重要解决模式,各学科可以利用自身的专业优势,达到最佳的治疗目的。

关键词：支气管扩张肺部感染耐碳青霉烯类铜绿假单胞菌抗菌药物 2型糖尿病

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Satellite remote sensing reveals overwhelming recovery of forest from disturbances in Asia

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Atmospheric and Oceanic Science Letters 2025年第1期18卷 46-51页

作者： Yiying Zhu Hesong wang Anzhi Zhang School of Ecology and Nature Conservation Beijing Forestry UniversityBeijingChina Key Laboratory of Regional Climate and Environment for Temperate East Asia Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina College of Forestry and Landscape Architecture Xinjiang Agricultural UniversityUrumqiChina

Forest ecosystems play key roles in mitigating human-induced climate change through enhanced carbon uptake;however,frequently occurring climate extremes and human activities have considerably threatened the stability of *** the same time,detailed accounts of disturbances and forest responses are not yet well quantified in *** study employed the Breaks For Additive Seasonal and Trend method-an abrupt-change detection method-to analyze the Enhanced Vegetation Index time series in East Asia,South Asia,and Southeast *** approach allowed us to detect forest disturbance and quantify the resilience after *** showed that 20%of forests experienced disturbance with an increasing trend from 2000 to 2022,and Southeast Asian countries were more severely affected by ***,95%of forests had robust resilience and could recover from disturbance within a few *** resilience of forests suffering from greater magnitude of disturbance tended to be stronger than forests with lower disturbance *** summary,this study investigated the resilience of forests across the low and middle latitudes of Asia over the past two *** authors found that most forests exhibited good resilience after disturbance and about two-thirds had recovered to a better state in *** findings of this study underscore the complex relationship between disturbance and resilience,contributing to comprehension of forest resilience through satellite remote sensing.

关键词： Forest ecosystem Enhanced vegetation index Breaks for additive seasonal and trend method Disturbance Resilience

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