Zhang, Zaoxiao

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  • Zhang, Zaoxiao (4)

Author's Bibliography

Study of MW-scale biogas-fed SOFC-WGS-TSA-PEMFC hybrid power technology as distributed energy system: Thermodynamic, exergetic and thermo-economic evaluation

Wu, Zhen; Yao, Jing; Zhu, Pengfei; Yang, Fusheng; Meng, Xiangyu; Kurko, Sandra V.; Zhang, Zaoxiao

(2021)

TY  - JOUR
AU  - Wu, Zhen
AU  - Yao, Jing
AU  - Zhu, Pengfei
AU  - Yang, Fusheng
AU  - Meng, Xiangyu
AU  - Kurko, Sandra V.
AU  - Zhang, Zaoxiao
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9074
AB  - Advanced biogas power generation technology has been attracting attentions, which contributes to the waste disposal and the mitigation of greenhouse gas emissions. This work proposes and models a novel biogas-fed hybrid power generation system consisting of solid oxide fuel cell, water gas shift reaction, thermal swing adsorption and proton exchange membrane fuel cell (SOFC-WGS-TSA-PEMFC). The thermodynamic, exergetic, and thermo-economic analyses of this hybrid system for power generation were conducted to comprehensively evaluate its performance. It was found that the novel biogas-fed hybrid system has a gross energy conversion efficiency of 68.63% and exergy efficiency of 65.36%, indicating high efficiency for this kind of hybrid power technology. The market sensitivity analysis showed that the hybrid system also has a low sensitivity to market price fluctuation. Under the current subsidy level for the distributed biogas power plant, the levelized cost of energy can be lowered to 0.02942 $/kWh for a 1 MW scale system. Accordingly, the payback period and annual return on investment can reach 1.4 year and about 20%, respectively. These results reveal that the proposed hybrid system is promising and economically feasible as a distributed power plant, especially for the small power scale (no more than 2 MW).
T2  - International Journal of Hydrogen Energy
T1  - Study of MW-scale biogas-fed SOFC-WGS-TSA-PEMFC hybrid power technology as distributed energy system: Thermodynamic, exergetic and thermo-economic evaluation
VL  - 46
IS  - 19
SP  - 11183
EP  - 11198
DO  - 10.1016/j.ijhydene.2020.02.111
ER  - 
@article{
author = "Wu, Zhen and Yao, Jing and Zhu, Pengfei and Yang, Fusheng and Meng, Xiangyu and Kurko, Sandra V. and Zhang, Zaoxiao",
year = "2021",
abstract = "Advanced biogas power generation technology has been attracting attentions, which contributes to the waste disposal and the mitigation of greenhouse gas emissions. This work proposes and models a novel biogas-fed hybrid power generation system consisting of solid oxide fuel cell, water gas shift reaction, thermal swing adsorption and proton exchange membrane fuel cell (SOFC-WGS-TSA-PEMFC). The thermodynamic, exergetic, and thermo-economic analyses of this hybrid system for power generation were conducted to comprehensively evaluate its performance. It was found that the novel biogas-fed hybrid system has a gross energy conversion efficiency of 68.63% and exergy efficiency of 65.36%, indicating high efficiency for this kind of hybrid power technology. The market sensitivity analysis showed that the hybrid system also has a low sensitivity to market price fluctuation. Under the current subsidy level for the distributed biogas power plant, the levelized cost of energy can be lowered to 0.02942 $/kWh for a 1 MW scale system. Accordingly, the payback period and annual return on investment can reach 1.4 year and about 20%, respectively. These results reveal that the proposed hybrid system is promising and economically feasible as a distributed power plant, especially for the small power scale (no more than 2 MW).",
journal = "International Journal of Hydrogen Energy",
title = "Study of MW-scale biogas-fed SOFC-WGS-TSA-PEMFC hybrid power technology as distributed energy system: Thermodynamic, exergetic and thermo-economic evaluation",
volume = "46",
number = "19",
pages = "11183-11198",
doi = "10.1016/j.ijhydene.2020.02.111"
}
Wu, Z., Yao, J., Zhu, P., Yang, F., Meng, X., Kurko, S. V.,& Zhang, Z.. (2021). Study of MW-scale biogas-fed SOFC-WGS-TSA-PEMFC hybrid power technology as distributed energy system: Thermodynamic, exergetic and thermo-economic evaluation. in International Journal of Hydrogen Energy, 46(19), 11183-11198.
https://doi.org/10.1016/j.ijhydene.2020.02.111
Wu Z, Yao J, Zhu P, Yang F, Meng X, Kurko SV, Zhang Z. Study of MW-scale biogas-fed SOFC-WGS-TSA-PEMFC hybrid power technology as distributed energy system: Thermodynamic, exergetic and thermo-economic evaluation. in International Journal of Hydrogen Energy. 2021;46(19):11183-11198.
doi:10.1016/j.ijhydene.2020.02.111 .
Wu, Zhen, Yao, Jing, Zhu, Pengfei, Yang, Fusheng, Meng, Xiangyu, Kurko, Sandra V., Zhang, Zaoxiao, "Study of MW-scale biogas-fed SOFC-WGS-TSA-PEMFC hybrid power technology as distributed energy system: Thermodynamic, exergetic and thermo-economic evaluation" in International Journal of Hydrogen Energy, 46, no. 19 (2021):11183-11198,
https://doi.org/10.1016/j.ijhydene.2020.02.111 . .
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Methanol to power through high-efficiency hybrid fuel cell system: Thermodynamic, thermo-economic, and techno-economic (3T) analyses in Northwest China

Wu, Zhen; Zhu, Pengfei; Yao, Jing; Kurko, Sandra V.; Ren, Jianwei; Tan, Peng; Xu, Haoran; Zhang, Zaoxiao; Ni, Meng

(2021)

TY  - JOUR
AU  - Wu, Zhen
AU  - Zhu, Pengfei
AU  - Yao, Jing
AU  - Kurko, Sandra V.
AU  - Ren, Jianwei
AU  - Tan, Peng
AU  - Xu, Haoran
AU  - Zhang, Zaoxiao
AU  - Ni, Meng
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9565
AB  - Advanced efficient energy conversion technology using clean alternative fuel contributes to the alleviation of the energy crisis and environmental deterioration. In this situation, a novel methanol utilization technology for power generation based on hybrid fuel cell system is proposed in this work. The hybrid system consists of a solid oxide fuel cell (SOFC), a gas processing unit (GP) and a proton exchange membrane fuel cell (PEMFC). Thermodynamic analysis of the system shows that the energy conversion efficiency and exergy efficiency are both higher than the previously reported standalone or hybrid energy systems using methanol as fuel, which are 66.2% and 54.2% respectively. Besides, no recirculation ratio of anode off-gas and moderate fuel utilization of about 0.5 are suggested for the SOFC component to balance the power distribution and improve the efficiency. Afterwards, this hybrid fuel cell system is also investigated from thermo-economic and techno-economic perspectives. Take Northwest China as a case, the 1 MWe methanol-fed power plant has a specific electric energy cost of 0.5594 CNY/kWh, much lower than the methanol steam reforming-PEMFC power plant (2.4 CNY/kWh). At the same time, the sensitivity analyses reveal that the cost of the hybrid power system is not sensitive to the market price fluctuation. With financial subsidies for existing renewable power plants, the payback period can be shortened to 1.4 year and the annual return on investment is about 3.58%. These results reveal that this two-stage fuel cell hybrid system is a kind of efficient and economically methanol to power conversion technology, especially for small power scale. © 2021 Elsevier Ltd
T2  - Energy Conversion and Management
T1  - Methanol to power through high-efficiency hybrid fuel cell system: Thermodynamic, thermo-economic, and techno-economic (3T) analyses in Northwest China
VL  - 232
SP  - 113899
DO  - 10.1016/j.enconman.2021.113899
ER  - 
@article{
author = "Wu, Zhen and Zhu, Pengfei and Yao, Jing and Kurko, Sandra V. and Ren, Jianwei and Tan, Peng and Xu, Haoran and Zhang, Zaoxiao and Ni, Meng",
year = "2021",
abstract = "Advanced efficient energy conversion technology using clean alternative fuel contributes to the alleviation of the energy crisis and environmental deterioration. In this situation, a novel methanol utilization technology for power generation based on hybrid fuel cell system is proposed in this work. The hybrid system consists of a solid oxide fuel cell (SOFC), a gas processing unit (GP) and a proton exchange membrane fuel cell (PEMFC). Thermodynamic analysis of the system shows that the energy conversion efficiency and exergy efficiency are both higher than the previously reported standalone or hybrid energy systems using methanol as fuel, which are 66.2% and 54.2% respectively. Besides, no recirculation ratio of anode off-gas and moderate fuel utilization of about 0.5 are suggested for the SOFC component to balance the power distribution and improve the efficiency. Afterwards, this hybrid fuel cell system is also investigated from thermo-economic and techno-economic perspectives. Take Northwest China as a case, the 1 MWe methanol-fed power plant has a specific electric energy cost of 0.5594 CNY/kWh, much lower than the methanol steam reforming-PEMFC power plant (2.4 CNY/kWh). At the same time, the sensitivity analyses reveal that the cost of the hybrid power system is not sensitive to the market price fluctuation. With financial subsidies for existing renewable power plants, the payback period can be shortened to 1.4 year and the annual return on investment is about 3.58%. These results reveal that this two-stage fuel cell hybrid system is a kind of efficient and economically methanol to power conversion technology, especially for small power scale. © 2021 Elsevier Ltd",
journal = "Energy Conversion and Management",
title = "Methanol to power through high-efficiency hybrid fuel cell system: Thermodynamic, thermo-economic, and techno-economic (3T) analyses in Northwest China",
volume = "232",
pages = "113899",
doi = "10.1016/j.enconman.2021.113899"
}
Wu, Z., Zhu, P., Yao, J., Kurko, S. V., Ren, J., Tan, P., Xu, H., Zhang, Z.,& Ni, M.. (2021). Methanol to power through high-efficiency hybrid fuel cell system: Thermodynamic, thermo-economic, and techno-economic (3T) analyses in Northwest China. in Energy Conversion and Management, 232, 113899.
https://doi.org/10.1016/j.enconman.2021.113899
Wu Z, Zhu P, Yao J, Kurko SV, Ren J, Tan P, Xu H, Zhang Z, Ni M. Methanol to power through high-efficiency hybrid fuel cell system: Thermodynamic, thermo-economic, and techno-economic (3T) analyses in Northwest China. in Energy Conversion and Management. 2021;232:113899.
doi:10.1016/j.enconman.2021.113899 .
Wu, Zhen, Zhu, Pengfei, Yao, Jing, Kurko, Sandra V., Ren, Jianwei, Tan, Peng, Xu, Haoran, Zhang, Zaoxiao, Ni, Meng, "Methanol to power through high-efficiency hybrid fuel cell system: Thermodynamic, thermo-economic, and techno-economic (3T) analyses in Northwest China" in Energy Conversion and Management, 232 (2021):113899,
https://doi.org/10.1016/j.enconman.2021.113899 . .
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Study of an autothermal-equilibrium metal hydride reactor by reaction heat recovery as hydrogen source for the application of fuel cell power system

Yao, Jing; Zhu, Pengfei; Qian, Chenhui; Hamidullah, Usamah; Kurko, Sandra V.; Yang, Fusheng; Zhang, Zaoxiao; Wu, Zhen

(2020)

TY  - JOUR
AU  - Yao, Jing
AU  - Zhu, Pengfei
AU  - Qian, Chenhui
AU  - Hamidullah, Usamah
AU  - Kurko, Sandra V.
AU  - Yang, Fusheng
AU  - Zhang, Zaoxiao
AU  - Wu, Zhen
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8952
AB  - This paper proposes a novel autothermal-equilibrium metal hydride reactor as the hydrogen source for the fuel cell power system, which employs phase change material (PCM) to recycle the hydrogen storage heat. A three-dimensional model of the metal hydride reactor coupled with a salt hydrate PCM for heat recovery is developed. Based on the model, the effects of key operating and design parameters on the reactor are investigated for performance optimization, including operating pressure, melting temperature, latent heat and thermal conductivity of PCM. Through the parametric analysis, it is found that increasing the operating pressure is beneficial to accelerate the absorption reaction. The average reaction fraction at 2400 s is increased by 24% with the pressure increasing from 6 to 10 bar. The moderate melting temperature and the thermal conductivity of the PCM that is comparable to that of metal hydride bed contribute to the improvement of hydrogen storage efficiency. Using this kind of hydrogen source reactor in a fuel cell power system, stable hydrogen storage efficiency of approximately 60% in the experiment is presented. In addition, no obvious performance deterioration of the power system occurs after ten cycles.
T2  - Energy Conversion and Management
T1  - Study of an autothermal-equilibrium metal hydride reactor by reaction heat recovery as hydrogen source for the application of fuel cell power system
VL  - 213
SP  - 112864
DO  - 10.1016/j.enconman.2020.112864
ER  - 
@article{
author = "Yao, Jing and Zhu, Pengfei and Qian, Chenhui and Hamidullah, Usamah and Kurko, Sandra V. and Yang, Fusheng and Zhang, Zaoxiao and Wu, Zhen",
year = "2020",
abstract = "This paper proposes a novel autothermal-equilibrium metal hydride reactor as the hydrogen source for the fuel cell power system, which employs phase change material (PCM) to recycle the hydrogen storage heat. A three-dimensional model of the metal hydride reactor coupled with a salt hydrate PCM for heat recovery is developed. Based on the model, the effects of key operating and design parameters on the reactor are investigated for performance optimization, including operating pressure, melting temperature, latent heat and thermal conductivity of PCM. Through the parametric analysis, it is found that increasing the operating pressure is beneficial to accelerate the absorption reaction. The average reaction fraction at 2400 s is increased by 24% with the pressure increasing from 6 to 10 bar. The moderate melting temperature and the thermal conductivity of the PCM that is comparable to that of metal hydride bed contribute to the improvement of hydrogen storage efficiency. Using this kind of hydrogen source reactor in a fuel cell power system, stable hydrogen storage efficiency of approximately 60% in the experiment is presented. In addition, no obvious performance deterioration of the power system occurs after ten cycles.",
journal = "Energy Conversion and Management",
title = "Study of an autothermal-equilibrium metal hydride reactor by reaction heat recovery as hydrogen source for the application of fuel cell power system",
volume = "213",
pages = "112864",
doi = "10.1016/j.enconman.2020.112864"
}
Yao, J., Zhu, P., Qian, C., Hamidullah, U., Kurko, S. V., Yang, F., Zhang, Z.,& Wu, Z.. (2020). Study of an autothermal-equilibrium metal hydride reactor by reaction heat recovery as hydrogen source for the application of fuel cell power system. in Energy Conversion and Management, 213, 112864.
https://doi.org/10.1016/j.enconman.2020.112864
Yao J, Zhu P, Qian C, Hamidullah U, Kurko SV, Yang F, Zhang Z, Wu Z. Study of an autothermal-equilibrium metal hydride reactor by reaction heat recovery as hydrogen source for the application of fuel cell power system. in Energy Conversion and Management. 2020;213:112864.
doi:10.1016/j.enconman.2020.112864 .
Yao, Jing, Zhu, Pengfei, Qian, Chenhui, Hamidullah, Usamah, Kurko, Sandra V., Yang, Fusheng, Zhang, Zaoxiao, Wu, Zhen, "Study of an autothermal-equilibrium metal hydride reactor by reaction heat recovery as hydrogen source for the application of fuel cell power system" in Energy Conversion and Management, 213 (2020):112864,
https://doi.org/10.1016/j.enconman.2020.112864 . .
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A continuous hydrogen absorption/desorption model for metal hydride reactor coupled with PCM as heat management and its application in the fuel cell power system

Yao, Jing; Zhu, Pengfei; Guo, Leilei; Duan, Lian; Zhang, Zaoxiao; Kurko, Sandra V.; Wu, Zhen

(2020)

TY  - JOUR
AU  - Yao, Jing
AU  - Zhu, Pengfei
AU  - Guo, Leilei
AU  - Duan, Lian
AU  - Zhang, Zaoxiao
AU  - Kurko, Sandra V.
AU  - Wu, Zhen
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9041
AB  - In this work, the model of metal hydride reactor coupled with phase change material (PCM) as heat management is modified to describe the heat and mass transfer behaviors of the continuous hydrogen absorption/desorption processes better. Through the experimental validation, the modified model is proven to be more accurate than the traditional model. Based on the proposed model, the performance of the metal hydride reactor is further optimized by the parametric analysis, property and configuration modification. The results show that the metal hydride reactor achieves a hydrogen storage efficiency of 47% at the phase change temperature of 42 °C, which is higher than at 35 and 49 °C. By adding expanded graphite into PCM, the hydrogen storage efficiency can increase up to about 72%, which is higher than the previously reported efficiency of 69%. This is because of the enhanced heat transfer between metal hydride and PCM. Accordingly, the hydrogen absorption time is significantly shortened to no more than 5 min. In addition, it is suggested to operate the reactor in the hydrogen desorption pressure of 2–8 bar and the temperature of 32–58 °C for the improved performance, when this kind of reactor is applied in the fuel cell power system as hydrogen source.
T2  - International Journal of Hydrogen Energy
T1  - A continuous hydrogen absorption/desorption model for metal hydride reactor coupled with PCM as heat management and its application in the fuel cell power system
VL  - 45
IS  - 52
SP  - 28087
EP  - 28099
DO  - 10.1016/j.ijhydene.2020.05.089
ER  - 
@article{
author = "Yao, Jing and Zhu, Pengfei and Guo, Leilei and Duan, Lian and Zhang, Zaoxiao and Kurko, Sandra V. and Wu, Zhen",
year = "2020",
abstract = "In this work, the model of metal hydride reactor coupled with phase change material (PCM) as heat management is modified to describe the heat and mass transfer behaviors of the continuous hydrogen absorption/desorption processes better. Through the experimental validation, the modified model is proven to be more accurate than the traditional model. Based on the proposed model, the performance of the metal hydride reactor is further optimized by the parametric analysis, property and configuration modification. The results show that the metal hydride reactor achieves a hydrogen storage efficiency of 47% at the phase change temperature of 42 °C, which is higher than at 35 and 49 °C. By adding expanded graphite into PCM, the hydrogen storage efficiency can increase up to about 72%, which is higher than the previously reported efficiency of 69%. This is because of the enhanced heat transfer between metal hydride and PCM. Accordingly, the hydrogen absorption time is significantly shortened to no more than 5 min. In addition, it is suggested to operate the reactor in the hydrogen desorption pressure of 2–8 bar and the temperature of 32–58 °C for the improved performance, when this kind of reactor is applied in the fuel cell power system as hydrogen source.",
journal = "International Journal of Hydrogen Energy",
title = "A continuous hydrogen absorption/desorption model for metal hydride reactor coupled with PCM as heat management and its application in the fuel cell power system",
volume = "45",
number = "52",
pages = "28087-28099",
doi = "10.1016/j.ijhydene.2020.05.089"
}
Yao, J., Zhu, P., Guo, L., Duan, L., Zhang, Z., Kurko, S. V.,& Wu, Z.. (2020). A continuous hydrogen absorption/desorption model for metal hydride reactor coupled with PCM as heat management and its application in the fuel cell power system. in International Journal of Hydrogen Energy, 45(52), 28087-28099.
https://doi.org/10.1016/j.ijhydene.2020.05.089
Yao J, Zhu P, Guo L, Duan L, Zhang Z, Kurko SV, Wu Z. A continuous hydrogen absorption/desorption model for metal hydride reactor coupled with PCM as heat management and its application in the fuel cell power system. in International Journal of Hydrogen Energy. 2020;45(52):28087-28099.
doi:10.1016/j.ijhydene.2020.05.089 .
Yao, Jing, Zhu, Pengfei, Guo, Leilei, Duan, Lian, Zhang, Zaoxiao, Kurko, Sandra V., Wu, Zhen, "A continuous hydrogen absorption/desorption model for metal hydride reactor coupled with PCM as heat management and its application in the fuel cell power system" in International Journal of Hydrogen Energy, 45, no. 52 (2020):28087-28099,
https://doi.org/10.1016/j.ijhydene.2020.05.089 . .
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