Results 1 to 10 of about 1,665,032 (102)

MOFs改性固定化菌的制备及其对苯酚的降解性能

open access: yesGongye shui chuli
固定化微生物技术可以减弱环境对微生物的毒害,有效解决由菌体流失而引起的废水生物处理效率低等技术问题。制备了海藻酸钠(SA)-聚乙烯醇(PVA)固定化微生物凝胶载体,通过添加金属有机框架(MOFs)衍生物对凝胶进行改性,采用循环冷冻法制备固定化菌块,验证其对苯酚的降解效果,并通过SEM、XRD和FTIR等多种表征技术明确了微生物与改性载体的结合特征。研究结果表明,添加质量分数为1% MOFs衍生物(MD)、质量分数为6% PVA和质量分数为4% SA的固定化菌块降解性能较好,在15 h内可以将300 mg/
余强   +5 more
doaj   +4 more sources

Emerging Polymer‐in‐Salt Solid Electrolytes for Advanced Lithium and Zinc Metal Batteries: Challenges, Progress, and Prospects

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Lithium metal anode and zinc metal anode have attracted considerable attention owing to their high theoretical capacity, low electrochemical potential, and superior electronic conductivity. However, their practical applications are greatly hindered by inherent issues such as uncontrollable dendritic growth and interfacial instability ...
Jing Wang   +10 more
wiley   +1 more source

Constructing Asymmetric Cu–OV–Mn Sites on MOFs‐Derived Cu‐MnOx Microspheres With Abundant Oxygen Vacancies for Enhanced Photothermal VOC Degradation

open access: yesRare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT With the growing severity of volatile organic compounds (VOCs) pollution, metal‐organic frameworks (MOFs)‐derived materials offer a promising solution through efficient photothermal catalysis. In this paper, M‐MnOx (M = Cu, Ni, Co, Fe) catalysts derived from manganese‐based MOFs were successfully prepared by the sacrificial template method and
Yizhong Liao   +10 more
wiley   +1 more source

基于文献计量分析金属有机骨架对富营养化及藻华水体处理研究

open access: yesGongye shui chuli
金属有机框架(MOFs)因其高度可设计的孔结构、可调金属中心和丰富的功能基团,在水体富营养化治理中展现出广泛应用潜力。近年来,相关研究在营养盐去除、藻类抑制、藻毒素降解及资源化利用等方面取得了显著进展;利用可变价态金属或光响应组分,MOFs 可产生活性氧物种或光生电子‑空穴对,直接抑制藻类并降解藻毒素;通过复合、衍生或负载策略,材料的稳定性、可回收性及工程适应性得到改善,同时为磷及有价金属的回收提供可能。本文基于文献计量分析系统梳理了 MOFs 在水体富营养化治理中的研究进展,重点总结了材料设计策略 ...
刘彦彦, 田韵, 陈峻峰, 王仁君
doaj   +4 more sources

Bimetallic NiCo Loaded on the Nitrogen‐Rich Modified Lignin‐Derived Carbon Coordination Network for Accelerated Oxygen Reduction Kinetics

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT The development of novel oxygen electrocatalysts with cost‐effectiveness, scalability, high catalytic activity, and stability presents a significant challenge for zinc–air batteries (ZABs). The nitrogen‐rich lignin coordination network structure is synthesized through amine modification of lignin.
Ping‐Xian Feng   +8 more
wiley   +1 more source

Synergistic Effect of MOF@CMC‐Derived Magnetic Nanocomposites: Enhancing Electromagnetic Interference Shielding and Joule Heating

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Emerging as attractive alternatives for sustainable, low‐cost, and high‐performance electromagnetic interference (EMI) shielding, biomass‐derived carbon is nonetheless constrained by a limited repertoire of shielding mechanisms. Herein, a straightforward method was employed to synthesize self‐supporting Co nanoparticles embedded in porous N ...
Yingjie Xu   +6 more
wiley   +1 more source

Electronic Modulation of Cu Sites via Iron Incorporation in Cu5FeS4 Bimetallic Sulfide for High‐Efficiency Oxygen Reduction Reaction

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT The sluggish kinetics of the oxygen reduction reaction (ORR) necessitate developing oxygen electrodes with enhanced electrocatalytic activity for practical zinc–air battery applications. In this study, an iron‐doped copper sulfide electrocatalyst (CuFeNS‐PNC) anchored on metal–organic framework‐derived carbon substrates was designed, featuring
Taichong Chitboonyakasem   +4 more
wiley   +1 more source

MIL-121的制备优化及对Cu(Ⅱ)的温控吸附脱附性能研究

open access: yesGongye shui chuli
吸附法因具有操作简便、成本低、去除效率高等优点,已被广泛用于水中重金属污染物的深度处理。但目前普遍采用的化学试剂再生方式会带来额外的成本、不利的环境影响以及材料特征结构的潜在破坏,限制了其实际应用。开发了一种热可再生的金属有机框架(MOFs)材料MIL-121,并通过扫描电子显微镜(SEM)、傅里叶变换红外光谱(FTIR)和X射线衍射仪(XRD)对材料的优化设计结果进行分析。结果表明,pH=1.0,活化温度为200 ℃时合成的MIL-121-200 ℃具有最佳性能:25 ℃时对Cu(Ⅱ)(1.0 mg ...
计成汉, 张炜铭
doaj   +2 more sources

Home - About - Disclaimer - Privacy