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Electrochemical conversion of methane to bridge the gap in the artificial carbon cycle

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Journal of Energy Chemistry 2025年第1期100卷 286-308页

作者： Yuhao peng Yuefeng Song Ihar Razanau Juanxiu Xiao wei Xiao Di Hu Guoxiong Wang College of Chemistry and Molecular Sciences Hubei Key Laboratory of Electrochemical Power Sources Wuhan University State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy iChEM (Collaborative Innovation Center of Chemistry for Energy Materials) Dalian Institute of Chemical Physics Chinese Academy of Sciences Laboratory of Physical-Chemical Technologies SSPA Scientific and Practical Materials Research Centre of NAS of Belarus State Key Laboratory of Marine Resources Utilization in South China Sea Collaborative Innovation Center of Marine Science and Technology School of Marine Science and Engineering Hainan University Department of Chemical and Environmental Engineering University of Nottingham Ningbo China

Methane, an abundant one-carbon（C1） resource, is extensively used in the industrial production of vital fuels and value-added chemicals. However, current industrial methane conversion technologies are energy-and carbon-intensive, mainly due to the high activation energy required to break the inert C–H bond, low selectivity, and problematic side reactions, including CO2emissions and coke deposition. Electrochemical conversion of methane（ECM） using intermittent renewable energy offers an attractive solution, due to its modular reactor design and operational flexibility across a broad spectrum of temperatures and pressures. This review emphasizes conversion pathways of methane in various reaction systems, highlighting the significance and advantages of ECM in facilitating a sustainable artificial carbon cycle. This work provides a comprehensive overview of conventional methane activation mechanisms and delineates the complete pathways of methane conversion in electrolysis contexts. Based on surface/interface chemistry, this work systematically analyzes proposed reaction pathways and corresponding strategies to enhance ECM efficiency towards various target products, including syngas, hydrocarbons, oxygenates, and advanced carbon materials. The discussion also encompasses opportunities and challenges for the ECM process, including insights into ECM pathways, rational electrocatalyst design, establishment of benchmarking protocols, electrolyte engineering, enhancement of CH4conversion rates, and minimization of CO2emission.

关键词： Methane Electrochemical conversion Reaction mechanism Catalyst design Electrode Electrocatalysis

Fiber Null Coupler with Ultra-High Splitting Ratio for Optic Switching and Add-Drop Multiplexing

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Fiber Null Coupler with Ultra-High Splitting Ratio for Optic...

亚太地区通信会议暨光电子通信会议

作者： LI Tong, LI Qun, YUAN wei, LIU Xiao ming, and peng Jiang De Department of Electronics Engineering, Tsinghua University, Beijing 100084

Null coupler with very high splittingratio of 100,000:1 and low excess loss of 0.1dB isreported. The control of splitting ratio and loss isstudied. The switching function is demonstrated byacoustooptic modulation expe...

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不确定条件下协同设计参数鲁棒优化方法

上海交通大学学报 2008年第7期42卷 1037-1040,1045页

作者：王伟明胡洁彭颖红曹兆敏上海交通大学机械与动力工程学院上海200240

提出了不确定条件下基于广义动态约束网络(GDCN)的协同设计参数鲁棒优化方法.分析了协同设计中的参数不确定性,基于GDCN建立协同参数鲁棒设计方法框架;在同时考虑目标属性鲁棒和约束可行域鲁棒的前提下,建立了一种带偏好信息的协同设计... 详细信息

提出了不确定条件下基于广义动态约束网络(GDCN)的协同设计参数鲁棒优化方法.分析了协同设计中的参数不确定性,基于GDCN建立协同参数鲁棒设计方法框架;在同时考虑目标属性鲁棒和约束可行域鲁棒的前提下,建立了一种带偏好信息的协同设计参数多目标鲁棒优化(MORO)模型;并给出了MORO模型的优化求解流程.通过发动机设计实例,验证了该方法的有效性和可行性.

关键词：协同设计参数优化鲁棒约束网络

Deciphering the role of ultra-low-loaded rhodium in NiFe-MIL-53 for superior oxygen evolution reaction

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Journal of Energy Chemistry 2025年第1期100卷 77-86页

作者： Jinzhi Jia Jinhua Zhang Kailu Guo Lanyue Zhang Gening Du Hao You Junfeng Huang Mudong Tu Hua Li Yong peng wei Dou Cailing Xu State Key Laboratory of Applied Organic Chemistry College of Chemistry and Chemical Engineering School of Materials and Energy Lanzhou University College of Chemistry and Chemical Engineering Luoyang Normal University

Designing highly active and stable electrocatalysts of oxygen evolution reaction （OER） is one of the crucial *** this study,a novel OER electrocatalyst,NiFe-MIL-53 modified with ultra-low rhodium（Rh@NiFe-MIL-53）,is successfully prepared via the hydrothermal ***-situ Raman spectroscopy and electrochemical impedance spectroscopy reveal that the doped Rh accelerates the phase transformation of NiFe-MIL-53 and the in-situ formed Rh@NiFeOOH is the actual active *** importantly,the enhanced reversibility of electrochemical reconstruction between NiFeOOH and NiFe（OH）2after doping Rh is beneficial for improving the electrochemical stability of the catalyst.X-ray photoelectron spectroscopy spectra show the strong electronic interaction between single-atom Rh and Ni/Fe in Rh@***,theoretical calculations confirm that the integration of single-atom Rh into the NiFeOOH successfully reduces the band gap,regulates the d-band center （εd）,accelerates the charge transfer,and optimizes the adsorption behavior of oxygen-containing intermediates,thereby lowering the energy barrier of rate-determining ***,the optimized Rh@NiFe-MIL-53 exhibits excellent OER activity （240 mV） with a small Tafel slope of 48.2 mV dec-1and long-term durability (over1270 h at 10 m A cm-2and 110 h at 200 mA cm-2).This work presents a new perspective on designing highly efficient OER electrocatalysts.

关键词： NiFe-MIL-53 Rh Electrochemical reconstruction Catalytic mechanism Oxygen evolution reaction

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基于约束网络的汽车整车配置过程冲突消解

上海交通大学学报 2009年第1期43卷 119-123页

作者：蒋怡翎胡洁王伟明戚进彭颖红上海交通大学机械与动力工程学院上海200240

针对汽车整车配置过程的冲突,提出基于约束网络的冲突消解方法,将数学模型、客户需求、知识作为配置指标,建立基于约束的冲突消解模型,针对约束模型中约束等级,提出冲突影响权值,用扩展配置指标求解最优配置变量消解冲突,并通过新车型... 详细信息

针对汽车整车配置过程的冲突,提出基于约束网络的冲突消解方法,将数学模型、客户需求、知识作为配置指标,建立基于约束的冲突消解模型,针对约束模型中约束等级,提出冲突影响权值,用扩展配置指标求解最优配置变量消解冲突,并通过新车型配置验证上述方法的有效性.结果表明,采用冲突消解方法,可以在保证配置约束网络一致性的基础上,配置出一款最大限度满足客户需求的产品.

关键词：汽车配置冲突客户需求约束网络冲突消解

Synthesis,NO release and Inhibition of glucosidase of Nitrate Nitric Oxide-donating Apigenin and Chrysin derivatives

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Synthesis,NO release and Inhibition of glucosidase of Nitrat...

2011年全国药物化学学术会议——药物的源头创新

作者： Qi-qin Wang,Qiong-fang Yang,Xiao-wei Zheng,Sheng-ming peng~* Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry,Xiangtan University,Xiangtan 411105,Hunan,China

A series of Apigenin derivatives 3a-3c and Chrysin derivatives 6a-6c,7a-7c and lla-llc were prepared,3a-3c of which were first *** chemical structures of these compounds were confirmed by means of H NMR,ESI-MS and ele...

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室内自然采光BIM模拟分析研究概述

土木建筑工程信息技术 2016年第6期8卷 18-22页

作者：吴伟梁铭彭杰王承上海中建东孚投资发展有限公司上海200122 华东建筑设计研究院有限公司上海200041

随着人们对建筑要求品质的提高,绿色理念已经或多或少的被利用至建筑设计中。本文着重探讨了中建广场项目BIM和自然采光技术的结合,研究了如何利用BIM模型结合相关软件直接进行自然采光技术全过程。

关键词： BIM技术自然采光模型简化

Maintaining moderate levels of hypochlorous acid promotes neural stem cell proliferation and differentiation in the recovery phase of stroke

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Neural Regeneration Research 2025年第3期20卷 845-857页

作者： Lin-Yan Huang Yi-De Zhang Jie Chen Hai-Di Fan Wan Wang Bin Wang Ju-Yun Ma peng-peng Li Hai-wei Pu Xin-Yian Guo Jian-Gang Shen Su-Hua Qi School of Medical Technology Xuzhou Key Laboratory of Laboratory DiagnosticsXuzhou Medical UniversityXuzhouJiangsu ProvinceChina School of Pharmacy Xuzhou Medical UniversityXuzhouJiangsu ProvinceChina Department of Laboratory Medicine Branch Hospital of Huai’an First People’s HospitalHuai’anJiangsu ProvinceChina Department of Laboratory Medicine the Affiliated Hospital of Xuzhou Medical UniversityXuzhouJiangsu ProvinceChina School of Chinese Medicine The University of Hong KongHong Kong Special Administrative RegionChina

It has been shown clinically that continuous removal of ischemia/reperfusion-induced reactive oxygen species is not conducive to the recovery of late ***,previous studies have shown that excessive increases in hypochlorous acid after stroke can cause severe damage to brain *** previous studies have found that a small amount of hypochlorous acid still exists in the later stage of stroke,but its specific role and mechanism are currently *** simulate stroke in vivo,a middle cerebral artery occlusion rat model was established,with an oxygen-glucose deprivation/reoxygenation model established in vitro to mimic *** found that in the early stage(within 24 hours)of ischemic stroke,neutrophils produced a large amount of hypochlorous acid,while in the recovery phase(10 days after stroke),microglia were activated and produced a small amount of hypochlorous ***,in acute stroke in rats,hypochlorous acid production was prevented using a hypochlorous acid scavenger,taurine,or myeloperoxidase inhibitor,4-aminobenzoic acid *** results showed that high levels of hypochlorous acid(200μM)induced neuronal apoptosis after oxygen/glucose deprivation/***,in the recovery phase of the middle cerebral artery occlusion model,a moderate level of hypochlorous acid promoted the proliferation and differentiation of neural stem cells into neurons and *** suggests that hypochlorous acid plays different roles at different phases of cerebral ischemia/reperfusion *** levels of hypochlorous acid(5 and 100μM)promoted nuclear translocation ofβ-*** transfection of single-site mutation plasmids,we found that hypochlorous acid induced chlorination of theβ-catenin tyrosine 30 residue,which promoted nuclear ***,our study indicates that maintaining low levels of hypochlorous acid plays a key role in the recovery of neurological function.

关键词： cell differentiation cerebral ischemia/reperfusion injury chlorination hypochlorous acid microglia neural stem cell neurogenesis nuclear translocation stroke β-catenin

Porous Organic Cage‑Based Quasi‑Solid‑State Electrolyte with Cavity‑Induced Anion‑Trapping Effect for Long‑Life Lithium Metal Batteries

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Nano-Micro Letters 2025年第2期17卷 376-386页

作者： wei-Min Qin Zhongliang Li Wen‑Xia Su Jia‑Min Hu Hanqin Zou Zhixuan Wu Zhiqin Ruan Yue‑peng Cai Kang Li Qifeng Zheng School of Chemistry South China Normal UniversityGuangzhou 510006People’s Republic of China Key Laboratory of Functional Metal‑Organic Compounds of Hunan Province College of Chemistry and Material ScienceHengyang Normal UniversityHengyang 421008People’s Republic of China Guangzhou Key Laboratory of Energy Conversion and Energy Storage Materials Guangzhou 510006People’s Republic of China

Porous organic cages(POCs)with permanent porosity and excellent host–guest property hold great potentials in regulating ion transport behavior,yet their feasibility as solid-state electrolytes has never been testified in a practical ***,we design and fabricate a quasi-solid-state electrolyte(QSSE)based on a POC to enable the stable operation of Li-metal batteries(LMBs).Benefiting from the ordered channels and cavity-induced anion-trapping effect of POC,the resulting POC-based QSSE exhibits a high Li+transference number of 0.67 and a high ionic conductivity of 1.25×10^(−4) S cm^(−1) with a low activation energy of 0.17 *** allow for homogeneous Li deposition and highly reversible Li plating/stripping for over 2000 *** a proof of concept,the LMB assembled with POC-based QSSE demonstrates extremely stable cycling performance with 85%capacity retention after 1000 ***,our work demonstrates the practical applicability of POC as SSEs for LMBs and could be extended to other energy-storage systems,such as Na and K batteries.

关键词： Porous organic cage Cavity-induced anion-trapping Quasi-solid-state electrolyte Homogeneous Li+flux Lithium metal battery