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Phase boundary engineering of metal-organic-framework-derived carbonaceous nickel selenides for sodium-ion batteries

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Nano Research 2020年第8期13卷 2289-2298页

作者： Shiyao Lu Hu Wu jingwei Hou Limin Liu jiao Li Chris j.Harris Cheng-Yen Lao Yuzheng Guo Kai Xi Shujiang Ding Guoxin Gao Anthony K.cheetham R.Vasant Kumar Xi’an Key Laboratory of Sustainable Energy Materials Chemistry MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed MatterState Key Laboratory of Electrical Insulation and Power EquipmentSchool of ChemistryXi’an Jiaotong University&Shaanxi Quantong Joint Research Institute of New Energy Vehicles PowerXi’an Jiaotong UniversityXi’an710049China Department of Materials Science and Metallurgy University of CambridgeCambridgeCB30FSUK Cambridge Graphene Centre Department of EngineeringUniversity of CambridgeCambridgeCB30FAUK Department of Chemistry City University of Hong KongHong Kong999077Hong KongChina School of Electrical Engineering and Automation Wuhan UniversityWuhan430072China Materials Research Laboratory University of CaliforniaSanta BarbaraCA93106USA School of Chemical Engineering University of QueenslandSt LuciaQLD4072Australia

Nano Research volume 13,pages2289–2298(2020)Cite this article 347 Accesses 1 Altmetric Metrics details Abstract Sodium-ion batteries(SIBs)are promising power sources due to the low cost and abundance of battery-grade sodium resources,while practical SIBs suffer from intrinsically sluggish diffusion kinetics and severe volume changes of electrode ***-organic framework(MOFs)derived carbonaceous metal compound offer promising applications in electrode materials due to their tailorable composition,nanostructure,chemical and physical ***,we fabricated hierarchical MOF-derived carbonaceous nickel selenides with bi-phase composition for enhanced sodium storage *** MOF formation time increases,the pyrolyzed and selenized products gradually transform from a single-phase Ni3Se4 into bi-phase NiSex then single-phase NiSe2,with concomitant morphological evolution from solid spheres into hierarchical urchin-like yolk-shell *** SIBs anodes,bi-phase NiSex@C/CNT-10h(10 h of hydrothermal synthesis time)exhibits a high specific capacity of 387.1 mAh/g at 0.1 A/g,long cycling stability of 306.3 mAh/g at a moderately high current density of 1 A/g after 2,000 *** simulation further proves the lattice mismatch at the phase boundary facilitates more interstitial space for sodium *** understanding of the phase boundary engineering of transformed MOFs and their morphological evolution is conducive to fabricate novel composites/hybrids for applications in batteries,catalysis,sensors,and environmental remediation.

关键词： metal organic frameworks phase boundary carbon nanotube metal selenides sodium ion batteries

Nanoengineering Metal–Organic Frameworks and Derivatives for Electrosynthesis of Ammonia

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纳微快报:英文版 2023年第11期15卷 205-240页

作者： Daming Feng Lixue Zhou Timothy j.White Anthony K.cheetham Tianyi Ma Fengxia Wei College of Chemistry Liaoning UniversityShenyang 110036People’s Republic of China School of Materials Science and Engineering Nanyang Technological University50 Nanyang AvenueSingapore 639798Singapore Materials Research Laboratory University of CaliforniaSanta BarbaraCA 93106USA School of Science RMIT UniversityMelbourneVIC 3000Australia Institute of Materials Research and Engineering(IMRE) Agency for ScienceTechnology and Research(A^(*)STAR)2 Fusionopolis WayInnovis 08‑03Singapore 138634Singapore

Electrocatalytic synthesis under mild conditions has become increasingly important as one of the practical alternatives for industrial applications,especially for the green ammonia(NH_(3))industry.A properly engineered electrocatalyst plays a vital role in the realization of superior catalytic *** various types of promising nanomaterials,metal–organic frameworks(MOFs)are competitive candidates for developing efficient electrocatalytic NH_(3) synthesis from simple nitrogen-containing molecules or ions,such as N_(2) and NO_(3)^(−).In this review,recent advances in the development of electrocatalysts derived from MOFs for the electrosynthesis of NH_(3) are collected,categorized,and discussed,including their application in the N_(2) reduction reaction(NRR)and the NO_(3)^(−)reduction reaction(NO3RR).Firstly,the fundamental principles are illustrated,such as plausible mechanisms of NH_(3) generation from N_(2) and NO_(3)^(−),the apparatus of corresponding electrocatalysis,parameters for evaluation of reaction efficiency,and detection methods of yielding NH_(3).Then,the electrocatalysts for NRR processes are discussed in detail,including pristine MOFs,MOF-hybrids,MOF-derived N-doped porous carbons,single atomic catalysts from pyrolysis of MOFs,and other MOF-related ***,MOF-related NO3RR processes are also listed and ***,the existing challenges and prospects for the rational design and fabrication of electrocatalysts from MOFs for electrochemical NH_(3) synthesis are presented,such as the evolution of investigation methods with artificial intelligence,innovation in synthetic methods of MOF-related catalysts,advancement of characterization techniques,and extended electrocatalytic reactions.

关键词： Metal–organic frameworks Electrosynthesis of ammonia Nitrogen reduction reactions Nitrate reduction reactions

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MYOB accounting

MYOB accounting

2008年

作者： cheetham C. j.

来源：畅想之星图书光盘版（南... 评论

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筛选新的生物催化剂(下)

国外医药（抗生素分册） 1989年第1期10卷 62-66页

作者： Peter S.j.cheetham 刘华珍陈伟

农业 Georgia大学研究人员已将花生壳加工为牛、猪、鸡的添加饲料,在美国每年有50000吨的花生壳。这些花生壳先用硝酸预处理,然后和一种从腐败的花生壳中分离到的细节菌一起保温培养,这种菌利用木质素作为其单一的碳源能使花生壳的可消... 详细信息

农业 Georgia大学研究人员已将花生壳加工为牛、猪、鸡的添加饲料,在美国每年有50000吨的花生壳。这些花生壳先用硝酸预处理,然后和一种从腐败的花生壳中分离到的细节菌一起保温培养,这种菌利用木质素作为其单一的碳源能使花生壳的可消化率增加到63%。然后加入酿酒酵母使蛋白质含量增加到13.6%。人们从链霉菌属***中分离到一种用于处理动物毛皮的脱毛酶,它对毛皮键有特效而且很少引起皮质的非特异的变质。人们筛选到能使甜菜的蛋白质含量增加的真菌。

关键词：生物催化剂筛选药物应用有机化学

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筛选新的生物催化剂(上)

国外医药(抗生素分册) 1988年第5期 369-376页

作者： Peter S.j.cheetham ,刘华珍 ,陈伟

引言筛选决不是新的科学活动,例如大多数人都听说过爱迪生在发现令人满意的长期起作用的炭化竹之前,曾试验了几千种作为白炽灯丝的物质.当然在寻找化学催化剂上筛选方法是很有用的,许多改进的沸石催化剂开始就是以天然矿物形式发现的包... 详细信息

引言筛选决不是新的科学活动,例如大多数人都听说过爱迪生在发现令人满意的长期起作用的炭化竹之前,曾试验了几千种作为白炽灯丝的物质.当然在寻找化学催化剂上筛选方法是很有用的,许多改进的沸石催化剂开始就是以天然矿物形式发现的包括丝光沸石、束沸石、柱沸石、钠麦沸石或其它矿物.众所周知,在生物技术学上于混合发酵罐中生长的青霉素菌种就是从伊利诺斯买来的发霉的葡萄柚中分离出来的,而头孢菌素产生菌则是从撒丁污水中得到的.从一种新

关键词：生物催化剂商业微生物产生菌

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难熔合金的低温合成

稀有金属材料与工程 1983年第6期 83-85页

作者： A.K.cheetham,A.j.S.Chowdhury,张嘉然英国牛津大学英国牛津大学

用低温法制取难熔合金,目前对化学家是一种有意义的挑战。在本报告中,我们探索了某些反应,其中包括还原从水溶液中获得的物质。通过燃烧,用沉淀或凝固干燥过程得到的中间产物来合成混合的金属氧化物,其方法以前已作过描述。但所制

关键词：低温合成沉淀物合金系金属氧化物硝酸灵难熔合金

二肽基肽酶-4抑制剂沙格列汀和西格列汀对高脂喂食的链脲酶素注射小鼠的胰岛Beta细胞质量的保护

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二肽基肽酶-4抑制剂沙格列汀和西格列汀对高脂喂食的链脲酶素注射...