检索结果-南通市图书馆

Carbon Energy 2024年第4期6卷 164-221页

作者： Huilin Hou Gang Shao yang Wang Wai‐Yeung Wong weiyou yang Institute of Micro/Nano Materials and Devices Ningbo University of TechnologyNingboChina School of Materials Science and Engineering Zhengzhou UniversityZhengzhouChina Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy The Hong Kong Polytechnic UniversityHong KongChina

Conversion of solar energy into H_(2) by photoelectrochemical(PEC)water splitting is recognized as an ideal way to address the growing energy crisis and environmental *** a typical PEC cell,the construction of photoanodes is crucial to guarantee the high efficiency and stability of PEC reactions,which fundamentally rely on rationally designed semiconductors(as the active materials)and substrates(as the current collectors).In this review work,we start with a brief introduction of the roles of substrates in the PEC ***,we provide a systematic overview of representative strategies for the controlled fabrication of photoanodes on rationally designed substrates,including conductive glass,metal,sapphire,silicon,silicon carbide,and flexible ***,some prospects concerning the challenges and research directions in this area are proposed.

关键词： hydrogen photoanode photoelectrochemical substrates water splitting

Piezoelectric Materials for Controlling Electro-Chemical Processes

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano-Micro Letters 2020年第11期12卷 51-89页

作者： Weiqi Qian weiyou yang Yan Zhang Chris R.Bowen Ya yang CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro‑nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 100083People’s Republic of China Institute of Materials Ningbo University of TechnologyNingbo 315211People’s Republic of China Department of Mechanical Engineering University of BathBath BA27AKUK School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049People’s Republic of China Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004People’s Republic of China

Piezoelectric materials have been analyzed for over 100 years,due to their ability to convert mechanical vibrations into electric charge or electric fields into a mechanical strain for sensor,energy harvesting,and actuator applications.A more recent development is the coupling of piezoelectricity and electro-chemistry,termed piezo-electro-chemistry,whereby the piezoelectrically induced electric charge or voltage under a mechanical stress can influence electro-chemical *** is growing interest in such coupled systems,with a corresponding growth in the number of associated publications and *** review focuses on recent development of the piezo-electro-chemical coupling multiple systems based on various piezoelectric *** provides an overview of the basic characteristics of piezoelectric materials and comparison of operating conditions and their overall electro-chemical *** reported piezo-electro-chemical mechanisms are examined in *** are made between the ranges of material morphologies employed,and typical operating conditions are *** addition,potential future directions and applications for the development of piezo-electro-chemical hybrid systems are *** review provides a comprehensive overview of recent studies on how piezoelectric materials and devices have been applied to control electro-chemical processes,with an aim to inspire and direct future efforts in this emerging research field.

关键词： Piezoelectric materials Piezoelectric effect Electro-chemistry Piezo-electro-chemistry

Boosting solar water oxidation activity of BiVO_(4) photoanode through an efficient in-situ selective surface cation exchange strategy

在线全文

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2022年第5期31卷 49-59页

作者： Kai Song Fang He Ergang Zhou Lin Wang Huilin Hou weiyou yang School of Materials Science and Engineering Tianjin UniversityTianjin 300350China Tianjin Key Laboratory of Composite and Functional Materials Tianjin UniversityTianjin 300350China Institute of Micro/Nano Materials and Devices Ningbo University of TechnologyNingbo 315211ZhejiangChina

The sluggish kinetics for water oxidation is recognized as one of the major problems for the unsatisfied photoelectrochemical(PEC) performance. Herein, we developed a feasible strategy based on in-situ selective surface cation exchange, for activating surface water oxidation reactivity toward boosted PEC water oxidation of BiVO_(4) photoanodes with fundamentally improved surface charge transfer. The asconstructed Co/BiVO_(4) photoanodes exhibit 2.6 times increase in photocurrent density with superior stability, in comparison to those of pristine counterpart. Moreover, the faradaic efficiency of as-fabricated photoanode can be up to ~ 95% at 1.23 V(vs. RHE). The unique selective replacement of Bi by Co on the surface could modify the electronic structure of BiVO_(4) with reduced energy barrier of the deprotonation of OH^(+) to O, thus favoring the overall excellent PEC performance of Co/BiVO_(4) photoanode.

关键词： Cation exchange BiVO4 Photoelectrochemical Water oxidation

Differences and Similarities of Photocatalysis and Electrocatalysis in Two-Dimensional Nanomaterials:Strategies,Traps,Applications and Challenges

在线全文

学校读者我要写书评

暂无评论

Nano-Micro Letters 2021年第10期13卷 214-251页

作者： Weiqi Qian Suwen Xu Xiaoming Zhang Chuanbo Li weiyou yang Chris RBowen Ya yang Beijing Key Laboratory of Micro-Nano Energy and Sensor CAS Center for Excellence in NanoscienceBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400People’s Republic of China Optoelectronics Research Center School of ScienceCollege of Life and Environmental SciencesMinzu University of ChinaBeijing 100081People’s Republic of China Institute of Materials Ningbo University of TechnologyNingbo 315016People’s Republic of China Department of Mechanical Engineering University of BathBath BA27AKUK School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049People’s Republic of China Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004People’s Republic of China

Photocatalysis and electrocatalysis have been essential parts of electrochemical processes for over half a *** progress in the controllable synthesis of 2D nanomaterials has exhibited enhanced catalytic performance compared to bulk *** has led to significant interest in the exploitation of 2D nanomaterials for *** have been a variety of excellent reviews on 2D nanomaterials for catalysis,but related issues of differences and similarities between photocatalysis and electrocatalysis in 2D nanomaterials are still ***,we provide a comprehensive overview on the differences and similarities of photocatalysis and electrocatalysis in the latest 2D *** and traps for performance enhancement of 2D nanocatalysts are highlighted,which point out the differences and similarities of series issues for photocatalysis and *** addition,2D nanocatalysts and their catalytic applications are ***,opportunities,challenges and development directions for 2D nanocatalysts are *** intention of this review is to inspire and direct interest in this research realm for the creation of future 2D nanomaterials for photocatalysis and electrocatalysis.

关键词： 2D nanomaterials Photocatalysis Electrocatalysis Electrochemistry Photoelectrochemistry

A facile and green strategy for mass production of dispersive FeCo-rich phosphides@N,P-doped carbon electrocatalysts toward efficient and stable rechargeable Zn-air battery and water splitting

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Materials Science & Technology 2024年第15期182卷 1-11页

作者： Bo Wang Qiao Liu Ao Yuan Qing Shi Lan Jiang weiyou yang Tao yang Xinmei Hou Institute for Carbon Neutrality University of Science and Technology BeijingBeijing 100083China Institute of Micro/Nano Materials and Devices Ningbo University of TechnologyNingbo 315211China

One key step for advancing the widespread practical application of rechargeable metal-air batteries and water electrolysis fundamentally relies on the development of cost-effective multifunctional electrocata-lysts toward oxygen and hydrogen-involving *** present work initiates a tofu-derived one-pot strategy for green,facile,and mass production of highly active and stable catalyst toward oxygen reduc-tion/evolution and hydrogen evolution reactions,through the preparation of Fe/Co cross-linked tofu gel and the subsequent *** the free use of additional N/P precursors or pore-forming agents,the as-prepared materials comprise highly dispersive FeCo-rich phosphides nanoparticles and porous N,P co-doped carbon network inherited from the tofu *** resultant catalysts exhibit remarkably enhanced trifunctional activities as compared to the Fe_(2)P and Co_(2)P counterparts,along with better long-term stabilities than the benchmark RuO_(2)and Pt/C ***,the as-assembled Zn-air battery delivers a large power density(174 mW cm^(-2))with excellent cycle stability(the gap of charge/discharge voltage@10 mA cm^(-2)increases by 0.01 V after 720 h of operation,vs.0.16 V of Pt/C-RuO_(2)based battery after 378 h).Furthermore,the as-constructed alkaline electrolyzer just requires a small voltage of 1.55 V@10 mA cm^(-2),which outperforms nearly all of those of biomass-derived electrocatalysts ever reported,and that of noble metal catalysts-based electrolyzers(1.72 V@10 mA cm^(-2)for Pt/C-RuO_(2)),underscoring their bright future toward commercial applications in green energy conversion devices.

关键词： Soybean Phosphides Electrocatalysis Overall water splitting Zn-air battery

High-performance supercapacitors based on free-standing SiC@PEDOT nanowires with robust cycling stability

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2022年第3期31卷 30-37,I0002页

作者： Wenna Liu Xiaoxiao Li Weijun Li Yumin Ye Hong Wang Peipei Su weiyou yang Ya yang Ningbo Key Laboratory of Specialty Polymers School of Materials Science and Chemical EngineeringNingbo UniversityNingbo 315211ZhejiangChina Institute of Materials Ningbo University of TechnologyNingbo 315016ZhejiangChina CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400China

Conductive polymers as one of the candidate materials with pseudocapacitor behavior have inspired wide attentions,because of their high conductivity,fexibility,low cost and excellent ***,the intrinsically poor cycling stability induced by the volume change over the doping/dedoping redox process limits their practical ***,we report the exploration of electrodes with robust cycling capacity for supercapacitors(SCs),which are rationally designed by coating conductive poly(3,4-ethylenedioxythiophene)(PEDOT)around free-standing SiC nanowires using an all-dry oxidative chemical vaper deposition(oCVD)*** as-constructed SiC@PEDOT nanowire architecture enables a specific capacitance of 26.53 m F/cm^(2)at 0.2 m A/cm^(2),which is~370%to that of SiC nanowire counterpart(7.04 m F/cm^(2)).Moreover,their aqueous-based SCs exhibit robust cycling stability with104%capacity retention after 10000 cycles,which is among the highest values achieved for PEDOTbased SCs.

关键词： PEDOT SiC nanowires Supercapacitor Energy storage Cycling stability

Controllable Construction of Bifunctional CoxP@N,P-Doped Carbon Electrocatalysts for Rechargeable Zinc–Air Batteries

在线全文

学校读者我要写书评

暂无评论

Energy & Environmental Materials 2022年第2期5卷 515-523页

作者： Qing Shi Qiao Liu Yapeng Zheng Yaqian Dong Lin Wang Hantao Liu weiyou yang Institute of Materials Ningbo University of TechnologyNingbo 315211China School of Energy and Power Engineering North University of ChinaTaiyuan 030051China

The exploration of cheap,efficient,and durable bifunctional electrocatalysts for oxygen reduction reaction(ORR)and oxygen evolution reaction(OER)is highly desired to push forward the commercialization of rechargeable ... 详细信息

关键词： oxygen evolutionreaction oxygenreductionreaction transitionmetal phosphides Zn-air batteries

All-inorganic dual-phase halide perovskite nanorings

在线全文

学校读者我要写书评

暂无评论

Nano Research 2020年第11期13卷 2994-3000页

作者： Yapeng Zheng Tao yang Zhi Fang Minghui Shang Zuotai Zhang Jack yang Jiaxin Fan weiyou yang Xinmei Hou Tom Wu Collaborative Innovation Center of Steel Technology University of Science and Technology BeijingBeijing100083China Institute of Materials Ningbo University of TechnologyNingbo315211China School of Environmental Science and Engineering Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution ControlSouthern University of Science and TechnologyShenzhen518055China School of Material Science and Engineering University of New South WalesSydneyNSW2052Australia Australian Nuclear Science and Technology Organization New Illawarra RoadSydneyNSW2234Australia

In the present work,we report the growth of all-inorganic perovskite nanorings with dual compositional phases of CsPbBr_(3)and CsPb_(2)Br5 via a facile hot injection *** self-coiling of CsPbBr_(3)-CsPb_(2)Br5 nanorings is driven by the axial stress generated on the outside surface of the as-synthesized nanobelts,which results from the lattice mismatch during the transformation of CsPbBr_(3)to CsPb_(2)*** tailored growth of nanorings could be achieved by adjusting the key experimental parameters such as reaction temperature,reaction time and stirring speed during the cooling *** photoluminescence intensity and quantum yield of nanorings are higher than those of CsPbBr_(3)nanobelts,accompanied by a narrower full width at half maximum(FWHM),suggesting their high potential for constructing self-assembled optoelectronic nanodevices.

关键词： all-inorganic perovskite CsPbBr_(3) CsPb_(2)Pb_(5) dual-phase nanorings

Controllable and large-area growth of ZnO nanosheet arrays under ambient condition as superior anodes for scalable aqueous batteries

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Carbon Energy 2023年第12期5卷 241-251页

作者： Dongdong Zhang Yanqing Fu Qiliang Wei Yapeng Zheng Lin Wang Jie Teng weiyou yang Institute of Micro/Nano Materials and Devices Ningbo University of TechnologyNingboZhejiangPeople's Republic of China College of Materials Science and Engineering Hunan UniversityChangshaPeople's Republic of China

Two-dimensional(2D)oxides have been the focus of substantial research interest recently,owing to their fascinating physico-chemical ***,fabrication of large-area 2D oxide materials in a controlled manner under mild conditions still remains a formidable ***,we develop a facile and universal strategy based on the sonochemistry approach for controllable and large-area growth of quasi-aligned single-crystalline ZnO nanosheets on a Zn substrate(Zn@SC-ZnO)under ambient *** obtained ZnO nanosheets possess the desired exclusively exposed(001)facets,which have been confirmed to play a critical role in significantly reducing the activation energy and facilitating the stripping/plating processes of ***,the constructed Zn@SC-ZnO||Zn@SC-ZnO symmetric cell has very low polarization overpotential down to~20 mV,with limited dendrite growth and side reactions for Zn *** developed Zn@SC-ZnO//MnO_(2)aqueous Zn-ion batteries(ZIBs)show a voltage efficiency of 88.2%under 500 mA g^(-1)at the stage of 50%depth of discharge,which is state of the art for ZIBs reported to ***,the as-assembled large-size cell(5 cm×5 cm)delivers an open circuit potential of 1.648 V,and can be robustly operated under a high current of 20 mA,showing excellent potential for future scalable applications.

关键词： ambient conditions aqueous Zn-ion batteries crystal growth nanosheet arrays ZnO

Highly Dispersive Co@N-C Catalyst as Freestanding Bifunctional Cathode for Flexible and Rechargeable Zinc–air Batteries

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Energy & Environmental Materials 2022年第2期5卷 543-554页

作者： Yu Ma Ding Chen Weijun Li Yapeng Zheng Lin Wang Gang Shao Qiao Liu weiyou yang College of Materials Science and Engineering Hunan UniversityChangsha 410082China State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body College of Mechanical and Vehicle EngineeringHunan UniversityChangsha 410082China Institute of Materials Ningbo University of TechnologyNingbo 315211China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001China

The design of efficient cathode with great cycle performance,high flexibility,and low cost is essential for the commercialization of zinc–air battery(ZAB).Herein,we report the exploration of freestanding bifunctional cathode with rationally designed structures,namely,tiny Co nanoparticles embedded in Ndoped carbon nanofiber aerogels,which have desired features including uniform Co dispersity,balanced distribution of N-C species,hierarchically porous structure with increased fraction of meso-to micropores,and moderate amounts of ***,the as-fabricated cathodes exhibit positive half-wave potential of 0.82 V for oxygen reduction and small overpotential of 350 mV at 10 mA cm^(−2) for oxygen evolution,respectively,which deliver smaller reversible oxygen electrode index(0.76 V)than the commercial Pt/C+RuO_(2)(0.80 V)and most Co-based electrocatalysts ever ***,the as-constructed liquid rechargeable ZAB behaves high peak power density(160 mW cm^(−2)),large specific capacity(759.7 mAh g^(−1) at 10 mA cm^(−2),tested after 120 h of OCV tests),and robust stability over 277 ***,the as-assembled quasi-solid-state ZAB using such freestanding cathode represents excellent mechanical flexibility and outstanding cycle performance,regardless of being serviced under extremely bending conditions from 0°to 180°,underscoring their promising applications as durable bifunctional cathode for portable metalair batteries.

关键词： bifunctional cathode carbon nanofiber aerogels Co nanoparticles freestanding cathode zinc-air batteries