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学者姓名:张兄文

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Enhanced oxygen reduction reaction through Ca and Co Co-doped YFeO3 as cathode for protonic ceramic fuel cells EI
期刊论文 | 2019 , 148-157 | Journal of Power Sources
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Abstract :

Protonic ceramic fuel cells offer the potential for environmentally sustainable and cost-effective electric power generation. However, the power outputs of protonic ceramic fuel cells are far from the requirements due to the lack of active cathodes. In this work, porous thin sheets CaxY1-xFe0.5Co0.5O3-δ (x = 0.1, 0.3 and 0.5) are synthesized by a modified pechini method and investigated as cathode materials for protonic ceramic fuel cells. CaxY1-xFe0.5Co0.5O3-δ show high electrical conductivities and excellent chemical compatibility with Ba(Zr0.1Ce0.7Y0.2)O3 electrolyte. The maximum electrical conductivity of Ca0.3Y0.7Fe0.5Co0.5O3-δ reaches 202 S cm−1 in air at 750 °C. The detailed mechanism for oxygen reduction reaction reveals that the rate-limiting step of oxygen reduction reaction is transformed from charge transfer to O2 adsorption-dissociation with temperature rising or Ca doping. The composite cathode Ca0.3Y0.7Fe0.5Co0.5O3-δ-Ba(Zr0.1Ce0.7Y0.2)O3 presents a relatively low polarization resistance of 0.07 Ω cm2 at 750 °C in air. The power density of the anode-supported cell of NiO– Ba(Zr0.1Ce0.7Y0.2)O3∣Ba(Zr0.1Ce0.7Y0.2)O3∣Ca0.3Y0.7Fe0.5Co0.5O3-δ-Ba(Zr0.1Ce0.7Y0.2)O3 is 798 mW cm−2 as the electrolyte thickness is about 150 μm. The prepared CaxY1-xFe0.5Co0.5O3-δ oxides are promising candidates as high-performance cathodes for protonic ceramic fuel cells. © 2018 Elsevier B.V.

Keyword :

Anode supported cell Chemical compatibility Composite cathode Electrical conductivity High electrical conductivity Modified Pechini method Oxygen reduction reaction Polarization resistances

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GB/T 7714 Cui, Jiajia , Wang, Junkai , Zhang, Xiongwen et al. Enhanced oxygen reduction reaction through Ca and Co Co-doped YFeO3 as cathode for protonic ceramic fuel cells [J]. | Journal of Power Sources , 2019 : 148-157 .
MLA Cui, Jiajia et al. "Enhanced oxygen reduction reaction through Ca and Co Co-doped YFeO3 as cathode for protonic ceramic fuel cells" . | Journal of Power Sources (2019) : 148-157 .
APA Cui, Jiajia , Wang, Junkai , Zhang, Xiongwen , Li, Guojun , Wu, Kai , Cheng, Yonghong et al. Enhanced oxygen reduction reaction through Ca and Co Co-doped YFeO3 as cathode for protonic ceramic fuel cells . | Journal of Power Sources , 2019 , 148-157 .
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Investigation of carbon formation on Ni/YSZ anode of solid oxide fuel cell from CO disproportionation reaction EI SCIE Scopus
期刊论文 | 2018 , 91 , 23-29 | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
WoS CC Cited Count: 1
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Abstract :

A challenge in the operation of solid oxide fuel cells (SOFCs) with hydrocarbon fuels is carbon deposition on the nickel/yttria-stabilized zirconia (Ni/YSZ) anode. This paper investigated the carbon formation on Ni/YSZ anode of solid oxide fuel cell (SOFC) due to CO disproportionation reaction. The steady-state rates of carbon formation under different CO/CO2 gas compositions were measured at temperature range from 600 degrees C to 800 degrees C. Experimental results showed that the steady-state rate of carbon formation caused by CO disproportionation reaction cannot solely be expressed with temperature or CO/CO2 gas ratios. A kinetic model divides the CO disproportionation reaction into several stepwise reactions, among which one of the stepwise reactions, namely, the C-O bond cleavage reaction, is considered as the rate-limiting step of the overall reaction. This kinetic model fits very well with the experimental results. Based on the kinetic model and experimental data, a steady-state rate equation of carbon formation in the process of CO disproportionation reaction was derived at the temperature from 600 degrees C to 800 degrees C on Ni/YSZ anode of SOFCs.

Keyword :

Carbon formation Steady-state rate CO disproportionation Solid oxide fuel cell

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GB/T 7714 Hua, Dong , Li, Guojun , Lu, Haibin et al. Investigation of carbon formation on Ni/YSZ anode of solid oxide fuel cell from CO disproportionation reaction [J]. | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER , 2018 , 91 : 23-29 .
MLA Hua, Dong et al. "Investigation of carbon formation on Ni/YSZ anode of solid oxide fuel cell from CO disproportionation reaction" . | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER 91 (2018) : 23-29 .
APA Hua, Dong , Li, Guojun , Lu, Haibin , Zhang, Xiongwen , Fan, Pengfei . Investigation of carbon formation on Ni/YSZ anode of solid oxide fuel cell from CO disproportionation reaction . | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER , 2018 , 91 , 23-29 .
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Facile aqueous phase synthesis of Pd3Cu?B/C catalyst for enhanced glucose electrooxidation EI Scopus
期刊论文 | 2018 | Journal of the Taiwan Institute of Chemical Engineers
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Abstract :

A novel Pd3Cu–B/C nanocatalyst is successfully synthesized via a simple aqueous phase approach and used as an anode catalyst for glucose electrooxidation reaction in fuel cell. Electrochemical characterization demonstrates that, in comparison with Pd3Cu/C and Pd/C, Pd3Cu–B/C nanocatalyst exhibits markedly improved electrocatalytic performance with larger electrochemical active surface area, higher activity and better stability. This significant improvement of electrocatalytic performance is due to the increased number of active sites, which comes from the electronic effect and strong interactions among Pd, Cu and B. We expect that both of the facile synthesis method and outstanding catalytic performance of Pd3Cu–B/C achieved in this study will open up new opportunities for direct glucose fuel cell application. © 2018 Taiwan Institute of Chemical Engineers

Keyword :

Aqueous-phase synthesis Catalytic performance Direct glucose fuel cell Electrocatalytic performance Electrochemical active surface areas Electrochemical characterizations Glucose electrooxidation Number of active sites

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GB/T 7714 Chai, Dan , Zhang, Xiongwen , Chan, Siew Hwa et al. Facile aqueous phase synthesis of Pd3Cu?B/C catalyst for enhanced glucose electrooxidation [J]. | Journal of the Taiwan Institute of Chemical Engineers , 2018 .
MLA Chai, Dan et al. "Facile aqueous phase synthesis of Pd3Cu?B/C catalyst for enhanced glucose electrooxidation" . | Journal of the Taiwan Institute of Chemical Engineers (2018) .
APA Chai, Dan , Zhang, Xiongwen , Chan, Siew Hwa , Li, Guojun . Facile aqueous phase synthesis of Pd3Cu?B/C catalyst for enhanced glucose electrooxidation . | Journal of the Taiwan Institute of Chemical Engineers , 2018 .
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Molecular dynamics simulations of the coke formation progress on the nickel-based anode of solid oxide fuel cells EI SCIE Scopus
期刊论文 | 2018 , 91 , 40-47 | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
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Abstract :

Coke formation on anode of solid oxide fuel cells (SOFC) can lead to SOFC performance degradation or even failure. This paper investigates transfer mechanism of carbon atoms in coke formation process on nickel-based anode using the reactive force field molecular dynamics simulation (ReaxFF-MD). The simulation results show that the transfer processes of carbon atoms in methane reforming are composed of three stages, and the alkyl makes formation of coke easier on the surface of Ni(100). The driving force of the carbon atoms diffusion into Ni (100) changes from the carbon concentration difference to the chemical potential difference, which leads to the generation of a new phase of carbon and the structural damage of the SOFC anode. The structural changes of Ni (100) during the carbon atom transport and precipitation are simulated and analyzed to reveal the chemical reaction mechanisms of coke formation, and provide theoretical foundation for optimal design in materials and operating parameters of SOFC anode.

Keyword :

Coke formation ReaxFF-MD Anode Solid oxide fuel cell

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GB/T 7714 Lu, Haibin , Hua, Dong , Iqabl, Taosif et al. Molecular dynamics simulations of the coke formation progress on the nickel-based anode of solid oxide fuel cells [J]. | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER , 2018 , 91 : 40-47 .
MLA Lu, Haibin et al. "Molecular dynamics simulations of the coke formation progress on the nickel-based anode of solid oxide fuel cells" . | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER 91 (2018) : 40-47 .
APA Lu, Haibin , Hua, Dong , Iqabl, Taosif , Zhang, Xiongwen , Li, Guojun , Zhang, Di . Molecular dynamics simulations of the coke formation progress on the nickel-based anode of solid oxide fuel cells . | INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER , 2018 , 91 , 40-47 .
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Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell EI SCIE Scopus
期刊论文 | 2017 , 42 (16) , 10785-10801 | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | IF: 4.229
WoS CC Cited Count: 3
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Abstract :

The performances of the solid oxide electrolyzer cells (SOECs) are closely tied to the designs of gas flow configurations. This paper performed a numerical comparative investigation on a planar SOEC with the co-flow, counter-flow, and cross-flow configurations. The experimental measurements for I-V curve were conducted and compared to the simulations for model validation. Based on the 3-dimensional numerical simulations, the distribution characteristics of the species mass fractions, temperature, current density, Nernst potential, and activation polarizations for variant gas flow configurations were analyzed and compared in detail. The intrinsic relationships and mutual effects between these parameters were examined. The simulation results show that the operating temperature gradient of the counter-flow configuration is smaller than that of co-flow and cross-flow, which is favorable for the durability of the cells. The distributions of the current density and activation polarizations in the case of cross-flow configuration appear in checkerboard characteristic. Compared to the co-flow and counter-flow, the cross-flow configuration obtains the best performance under the same boundary conditions as it produces the most hydrogen under the same boundary conditions. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

Keyword :

Gas flow configuration Solid oxide electrolyzer cell Numerical simulation Performance investigation

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GB/T 7714 Xu, Zonglei , Zhang, Xiongwen , Li, Guojun et al. Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2017 , 42 (16) : 10785-10801 .
MLA Xu, Zonglei et al. "Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42 . 16 (2017) : 10785-10801 .
APA Xu, Zonglei , Zhang, Xiongwen , Li, Guojun , Xiao, Guoping , Wang, Jian-Qiang . Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2017 , 42 (16) , 10785-10801 .
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Porous YFe0.5Co0.5O3 thin sheets as cathode for intermediate-temperature solid oxide fuel cells EI SCIE Scopus
期刊论文 | 2017 , 42 (31) , 20164-20175 | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | IF: 4.229
WoS CC Cited Count: 1
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Abstract :

In this work, porous YFe0.5Co0.5,O-3 (YFC) thin sheets were-synthesized by citric acid method. The crystal structure, morphology, thermal expansion, electrical conductivity, and electrochemical properties of YFC were investigated to evaluate it as a possible cathode on BaZr0.1Ce0.7Y0.2O3 (BZCY) electrolyte for intermediate-temperature solid oxide fuel cells (ITSOFCs). An orthorhombic perovskite structure was observed in YFC. The conductivity of YFC is 183 S cm (-1) at 750 degrees C in air. The coefficient of thermal expansion of composite cathode YFC-BZCY is closer to BZCY electrolyte than YFC. The composite cathode represents a relatively low polarization resistance (R-P) of 0.07 Omega cm(2) at 750 degrees C in air due to the porous thin sheet-like cathode. The oxygen reduction reaction process and the reaction activation energy of cathode were also analyzed. An anode-supported cell of NiO-BZCY IBZCY IYFC-BZCY is fabricated by a simple method of co-pressing. The power density of the cell is 303 mW cm(-2) at 750 degrees C as the thickness of electrolyte is 400 mu m. The results suggest that YFC is a promising cathode candidate for IT-SOFC. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

Keyword :

Electrochemical properties oxide fuel cell Composite cathode Intermediate temperature solid Proton conducting electrolyte

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GB/T 7714 Cui, Jiajia , Wang, Junkai , Fan, Weiwei et al. Porous YFe0.5Co0.5O3 thin sheets as cathode for intermediate-temperature solid oxide fuel cells [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2017 , 42 (31) : 20164-20175 .
MLA Cui, Jiajia et al. "Porous YFe0.5Co0.5O3 thin sheets as cathode for intermediate-temperature solid oxide fuel cells" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42 . 31 (2017) : 20164-20175 .
APA Cui, Jiajia , Wang, Junkai , Fan, Weiwei , Wan, Yiheng , Zhang, Xiongwen , Li, Guojun et al. Porous YFe0.5Co0.5O3 thin sheets as cathode for intermediate-temperature solid oxide fuel cells . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2017 , 42 (31) , 20164-20175 .
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Techno-economic feasibility analysis of solar photovoltaic power generation for buildings EI SCIE Scopus
期刊论文 | 2016 , 108 , 1362-1371 | APPLIED THERMAL ENGINEERING | IF: 3.444
WoS CC Cited Count: 4
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Abstract :

The Building Added PV (BAPV) plays an important role for developing green buildings. This work conducts a techno-economic feasibility study of BAPV for commercial and residential building hybrid energy systems (HES). A component sizing model based on the optimal power dispatch simulations with the objective of minimum cost of energy (COE) is used to determine the component sizes of HES. The techno-economic performances of two HES composed of BAPV and batteries for residential and commercial buildings are investigated. The results show that the use of BAPV in the commercial building HES can reduce the electricity bill for customers owing to the government subsidies on PV as well as due to the similar characteristics of the load profile as to the solar radiation profile. However, due to temporal dislocation between the load and solar radiation patterns, the use of PV in the residential building HES may significantly increase the initial capital cost and replacement cost of battery, resulting in the COE of the residential building HES with BAPV even higher than the residential electricity price. The techno-economic performances of battery (e.g., the lifetime and capital cost) have more effect on the COE of the residential building HES than that of PV. (C) 2016 Elsevier Ltd. All rights reserved.

Keyword :

Hybrid energy systems Building added photovoltaics Techno-economic assessment Component sizing

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GB/T 7714 Zhang, Xiongwen , Li, Menyu , Ge, Yuanfei et al. Techno-economic feasibility analysis of solar photovoltaic power generation for buildings [J]. | APPLIED THERMAL ENGINEERING , 2016 , 108 : 1362-1371 .
MLA Zhang, Xiongwen et al. "Techno-economic feasibility analysis of solar photovoltaic power generation for buildings" . | APPLIED THERMAL ENGINEERING 108 (2016) : 1362-1371 .
APA Zhang, Xiongwen , Li, Menyu , Ge, Yuanfei , Li, Guojun . Techno-economic feasibility analysis of solar photovoltaic power generation for buildings . | APPLIED THERMAL ENGINEERING , 2016 , 108 , 1362-1371 .
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Investigation of the thermal performance of axial-flow air cooling for the lithium-ion battery pack EI SCIE Scopus
期刊论文 | 2016 , 108 , 132-144 | INTERNATIONAL JOURNAL OF THERMAL SCIENCES | IF: 3.615
WoS CC Cited Count: 18
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Abstract :

This paper presents an investigation of the thermal performance of axial flow air cooling for lithium-ion battery pack. A thermal model for a battery pack with 32 single cells is developed and is numerically solved with coupling the fluid governing equations. The heat generation rate of the battery is calculated by a UDF (user defined function) program, which is based on a pseudo 2D model of the lithium-ion batteries. The effects of the radial interval between cells and air flux on the thermal performance of the axial flow air cooling system are investigated by numerical simulations. The results show that increasing the radial interval leads to a slight average temperature rise but benefits to the temperature uniformity of the battery pack. A larger radial interval can significantly reduce the power cost of the cooling system; however it causes a decrease of space efficiency mildly. A larger air flux is found to be benefit to the temperature uniformity within battery pack. An optimal region based on the assessment of the power cost, space efficiency and temperature homogeneity for the parameter designs of the battery cooling system is presented. (C) 2016 Elsevier Masson SAS. All rights reserved.

Keyword :

Thermal management Lithium-ion battery pack Air cooling Temperature uniformity

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GB/T 7714 Yang, Tairan , Yang, Naixing , Zhang, Xiongwen et al. Investigation of the thermal performance of axial-flow air cooling for the lithium-ion battery pack [J]. | INTERNATIONAL JOURNAL OF THERMAL SCIENCES , 2016 , 108 : 132-144 .
MLA Yang, Tairan et al. "Investigation of the thermal performance of axial-flow air cooling for the lithium-ion battery pack" . | INTERNATIONAL JOURNAL OF THERMAL SCIENCES 108 (2016) : 132-144 .
APA Yang, Tairan , Yang, Naixing , Zhang, Xiongwen , Li, Guojun . Investigation of the thermal performance of axial-flow air cooling for the lithium-ion battery pack . | INTERNATIONAL JOURNAL OF THERMAL SCIENCES , 2016 , 108 , 132-144 .
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A comparative assessment of battery and fuel cell electric vehicles using a well-to-wheel analysis EI SCIE Scopus
期刊论文 | 2016 , 94 , 693-704 | ENERGY | IF: 4.52
WoS CC Cited Count: 17
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Battery electric vehicles (BEVs) and fuel cell electric vehicles (FCEVs) are increasingly prevalent in the transportation sector due to growing concerns about climate change, urban air pollution and oil dependence. This theoretical study reports the results of well-to-wheel (WTW) analyses for BEVs and FCEVs in different energy resource and technology pathways in China in terms of fossil energy use, total energy use and greenhouse gas (GHG) emissions. The energy types include coal, natural gas, renewable energy and nuclear energy resources. Special attention is given to the effects of vehicle heating loads on the WTW performances of BEVs and FCEVs. Energy use and GHG emissions reductions from BEVs and FCEVs in different pathways are examined and compared to those of gasoline-based internal engine vehicles (ICEVs). When considering the cabin heating load in vehicles, FCEVs using natural gas as the energy source outperformed all the BEVs in terms of total energy use and GHG emissions. FCEVs adopting new energy-based pathways can achieve the same WTW efficiencies as BEVs, and these efficiencies may be even higher if the hydrogen used by FCEVs is produced by the pathways of solar-solid oxide electrolysis cell (SOEC) systems, solar-thermochemical systems or nuclear-SOEC systems. (C) 2015 Elsevier Ltd. All rights reserved.

Keyword :

Well-to-wheel simulation Renewable energy Electric vehicle Life cycle analysis

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GB/T 7714 Li, Mengyu , Zhang, Xiongwen , Li, Guojun . A comparative assessment of battery and fuel cell electric vehicles using a well-to-wheel analysis [J]. | ENERGY , 2016 , 94 : 693-704 .
MLA Li, Mengyu et al. "A comparative assessment of battery and fuel cell electric vehicles using a well-to-wheel analysis" . | ENERGY 94 (2016) : 693-704 .
APA Li, Mengyu , Zhang, Xiongwen , Li, Guojun . A comparative assessment of battery and fuel cell electric vehicles using a well-to-wheel analysis . | ENERGY , 2016 , 94 , 693-704 .
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A feasibility study of microgrids for reducing energy use and GHG emissions in an industrial application EI SCIE Scopus
期刊论文 | 2016 , 176 , 138-148 | APPLIED ENERGY | IF: 7.182
WoS CC Cited Count: 10 SCOPUS Cited Count: 13
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Abstract :

Microgrids provide a new energy paradigm with the benefits of higher energy supply reliability, lower greenhouse gas (GHG) emissions through a higher penetration of renewable sources, higher energy efficiencies through the use of local waste heat and the avoidance of losses in transmission and distribution. This study reports a life cycle assessment (LCA) of microgrids for an industry application of an ammonia plant in central Inner Mongolia, China. The life cycle energy use and GHG emissions of the microgrids are evaluated and compared to the existing fossil fuel-based energy system. The electricity, heat and hydrogen fuel loads of the ammonia plant are all modelled in the study. An optimization model is developed to estimate the minimum life cycle energy use and GHG emissions with the microgrids under three scenarios (natural gas (NG)-based, optimized, and maximum renewable energy microgrids). The results indicate that the use of wind and solar in the NG-based microgrid can only slightly reduce the energy use and GHG emissions. If there are no land area limitations on the deployment of solar and wind power, the maximum renewable energy microgrid offers significant reductions of fossil fuel energy of up to 56.9% and GHG emissions reductions of up to 66.3% compared to the existing energy system. (C) 2016 Elsevier Ltd. All rights reserved.

Keyword :

Renewable energy Life cycle assessment Greenhouse gas emissions Microgrids Energy efficiency

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GB/T 7714 Li, Mengyu , Zhang, Xiongwen , Li, Guojun et al. A feasibility study of microgrids for reducing energy use and GHG emissions in an industrial application [J]. | APPLIED ENERGY , 2016 , 176 : 138-148 .
MLA Li, Mengyu et al. "A feasibility study of microgrids for reducing energy use and GHG emissions in an industrial application" . | APPLIED ENERGY 176 (2016) : 138-148 .
APA Li, Mengyu , Zhang, Xiongwen , Li, Guojun , Jiang, Chaoyang . A feasibility study of microgrids for reducing energy use and GHG emissions in an industrial application . | APPLIED ENERGY , 2016 , 176 , 138-148 .
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