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学者姓名：张兄文
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Abstract ：
Incorporating solar energy technologies into integrated energy systems (IES) plays an increasingly important role to mitigate energy supply shortages and climate challenges. However, the low efficiency of solar energy utilization and land limitation for system deployment greatly restrict the development of the solar powered IESs. In this paper, a solar powered electricity, heating and hydrogen IES based on photovoltaic (PV), photothermal (PT) and photocatalysis of hydrogen production (PH) is proposed and investigated. The system comprises solar radiation spectrum splitting technology, PV, PT, PH, electric heating device, compressive heat pump, solid oxide fuel cell, absorption heat pump and energy storage components. A component sizing method based on a region contraction algorithm is employed to find the system optimal design with minimizing the cost of energy. Two scenarios of the solar powered IES based on solar spectrum splitting unit and independent energy supply unit are analyzed and compared. The results show that the solar powered IES can completely meet the electricity, heating and hydrogen energy demands and achieve cost savings for consumers. Compared to independent energy supply unit-based IES, the use of solar spectrum splitting unit can significantly improve the total energy efficiency by 21.74% and reduce the land area for solar capture by 52.5%, but increase the cost of energy by 27.3%.
Keyword ：
Component sizing Integrated energy system Performance assessment Solar energy
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| GB/T 7714 | Chen, Zhang , Yiliang, Xie , Hongxia, Zhang et al. Optimal design and performance assessment for a solar powered electricity, heating and hydrogen integrated energy system [J]. | ENERGY , 2023 , 262 . |
| MLA | Chen, Zhang et al. "Optimal design and performance assessment for a solar powered electricity, heating and hydrogen integrated energy system" . | ENERGY 262 (2023) . |
| APA | Chen, Zhang , Yiliang, Xie , Hongxia, Zhang , Yujie, Gu , Xiongwen, Zhang . Optimal design and performance assessment for a solar powered electricity, heating and hydrogen integrated energy system . | ENERGY , 2023 , 262 . |
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Abstract ：
To reduce computational burden and achieve accurate states estimation, this paper presents a systematic and low-complexity multi-state estimation framework for series-connected lithium-ion battery pack under passive balance control, including pack state-of-charge (SOC), state-of-health (SOH) and cell SOC inconsistences esti-mation. Firstly, through SOC and SOH calculation simplification of battery pack under passive balance control, "representative cell" is determined among all in-pack cells to reflect battery pack's behavior by a rapid and reliable selection method. Secondly, a variable multi time-scale based framework is further applied to co-estimate SOC and SOH of the selected "representative cell", which are also the co-estimation results of battery pack. Subsequently, with the estimated SOC of "representative cell", a second-order extended Kalman filter is designed to realize cell SOC inconsistences tracking in macro time-scale, and the non-representative cells' SOC can be further calculated. The validation results through sophisticated driving simulation show that both mean-absolute-error (MAE) and root-mean-square-error (RMSE) between battery pack's real SOC and representative cell's estimated SOC are below 1%, and the relative error band between battery pack's precise capacity and representative cell's calculated capacity is between 0 and 1.5%. Moreover, based on the monitored cell SOC inconsistences, both MAE and RMSE between the non-representative cells' estimated SOC and reference SOC can be roughly limited below 3%.
Keyword ：
Cell SOC inconsistences Passive balance control Series-connected lithium-ion battery pack State-of-charge (SOC) State-of-health (SOH)
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| GB/T 7714 | Zhang, Shuzhi , Peng, Nian , Lu, Haibin et al. A systematic and low-complexity multi-state estimation framework for series-connected lithium-ion battery pack under passive balance control [J]. | JOURNAL OF ENERGY STORAGE , 2022 , 48 . |
| MLA | Zhang, Shuzhi et al. "A systematic and low-complexity multi-state estimation framework for series-connected lithium-ion battery pack under passive balance control" . | JOURNAL OF ENERGY STORAGE 48 (2022) . |
| APA | Zhang, Shuzhi , Peng, Nian , Lu, Haibin , Li, Rui , Zhang, Xiongwen . A systematic and low-complexity multi-state estimation framework for series-connected lithium-ion battery pack under passive balance control . | JOURNAL OF ENERGY STORAGE , 2022 , 48 . |
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Abstract ：
This paper presents a novel planar proton exchange membrane fuel cell (PEMFC) stack designed for portable electronic devices, consisting of twenty homemade membrane electrode assemblies (MEAs) arranged on a planar surface and three printed circuit boards (PCBs, including anode, interlayer and cathode PCBs) used to load these MEAs. The current collectors and electrical connectors are manufactured using printed circuit technology. The inlet holes of reaction gases are also machined on PCB substrates. The output performance tests are performed on the MEAs and the assembled planar PEMFC stack. The results show that the power densities of the MEAs and the planar PEMFC stack are 0.6 W/cm(2) and 0.361 W/cm(2) at rated voltage under ambient temperature and forced convection air conditions, respectively. The stability tests are also conducted on the planar PEMFC stack, and the results show no significant fluctuations in output current. The feasibility of the application of planar PEMFC stacks in portable electronic devices is preliminarily demonstrated, and the improvement directions for further improving the output performance are proposed accordingly. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Keyword ：
Output performance test Planar proton exchange membrane fuel cells stack Printed circuit technology Stability test
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| GB/T 7714 | Min, Xiaoteng , Xie, Yiliang , Chai, Dan et al. Preliminary experimental study of the performances for a print circuit board based planar PEMFC stack [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2022 , 47 (8) : 5599-5608 . |
| MLA | Min, Xiaoteng et al. "Preliminary experimental study of the performances for a print circuit board based planar PEMFC stack" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 47 . 8 (2022) : 5599-5608 . |
| APA | Min, Xiaoteng , Xie, Yiliang , Chai, Dan , Zhang, Xiongwen . Preliminary experimental study of the performances for a print circuit board based planar PEMFC stack . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2022 , 47 (8) , 5599-5608 . |
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Abstract ：
Grip strength is an important indicator of health conditions and needs to be monitored for health management. However, different populations (e.g., babies and rehabilitation patients) have different hand sizes and different levels of grip strengths, requiring a personalized sensor to monitor grip strength. In this paper, we developed a smart ball sensor by laser kirigami of graphene for personalized grip strength monitoring. To realize the rational utilization of space, a transparent pill shell embedding all electronic accessories is installed in the center of the ball sensor with a spiral-sensing unit fabricated by laser kirigami of graphene on the surface. Furthermore, we assessed the influence of contact area between hand and ball on grip strength using finite-element analysis (FEA), which was then considered in our results readout. The grip strength can be continuously read by a mobile phone in a wireless manner. The smart ball sensor demonstrated a high performance in vitro against gold-standard method in diseased and healthy subjects. It would be a powerful tool for personalized long-term monitoring of grip strength, especially suitable for specific populations such as babies and sensitive enough for samll grip strength.
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| GB/T 7714 | Zhang, Huiqing , Ding, Xin , Zhang, Xiongwen et al. A smart ball sensor fabricated by laser kirigami of graphene for personalized long-term grip strength monitoring [J]. | NPJ FLEXIBLE ELECTRONICS , 2022 , 6 (1) . |
| MLA | Zhang, Huiqing et al. "A smart ball sensor fabricated by laser kirigami of graphene for personalized long-term grip strength monitoring" . | NPJ FLEXIBLE ELECTRONICS 6 . 1 (2022) . |
| APA | Zhang, Huiqing , Ding, Xin , Zhang, Xiongwen , Xu, Feng . A smart ball sensor fabricated by laser kirigami of graphene for personalized long-term grip strength monitoring . | NPJ FLEXIBLE ELECTRONICS , 2022 , 6 (1) . |
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Abstract ：
Wall-coated nickel-based methane steam reformers are extensively used in hydrogen production. In such devices, nickel-based catalyst is coated on the walls and heat is supplied for the reforming process. Due to the existence of endothermic and exothermic characteristics, big temperature differences appear in the reformers, which is likely to cause serious mechanical degradation of the catalyst. This study conducts a topology optimization of the catalyst distribution to reduce the maximum temperature differences of the reformers. Nine cases with different inlet gas compositions and heating fluxes are optimized. For comparison, methane conversion rates are constrained to have the same values as the corresponding reference cases. Results show that optimized catalysts discretely distribute on the wall with different lengths. The narrow catalysts distribute upstream, while the wide catalysts distribute downstream. The optimized results not only largely reduce the maximum temperature differences (24%-82%) and improve temperature uniformity (40%-85%), but also maintain high methane conversion rates. The proposed approach could help to design the catalyst distribution of reformers. (c) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Keyword ：
Catalyst distribution Methane steam reformer Temperature uniformity Topology optimization
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| GB/T 7714 | Li, Qiangqiang , Xue, Dingxi , Zhang, Qiang et al. Topology optimization of the catalyst distribution of planar methane steam reformers [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2022 , 47 (13) : 8314-8326 . |
| MLA | Li, Qiangqiang et al. "Topology optimization of the catalyst distribution of planar methane steam reformers" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 47 . 13 (2022) : 8314-8326 . |
| APA | Li, Qiangqiang , Xue, Dingxi , Zhang, Qiang , Zhang, Xiongwen , Li, Guojun . Topology optimization of the catalyst distribution of planar methane steam reformers . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2022 , 47 (13) , 8314-8326 . |
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Abstract ：
A building-integrated photovoltaic energy system (BIPVS) with demand response (DR) is gaining increasing interest in improving building energy consumption to address the imbalance between energy supply and demand. The application of DR in the BIPVS literature lacks consideration of the spatial variability of solar resource distribution. The impact of DR scheduling on the optimum sizing and operation of a BIPVS requires an understanding of how DR can adapt to the uncertain energy generation patterns caused by diverse solar intensity curves. To fill this research gap, an integrated photovoltaic electricity and heating energy system are considered to meet electricity and domestic hot water demands in residential buildings. A DR strategy based on load rescheduling has been illustrated and modeled. To solve the proposed issue of optimum sizing and operation, a two-stage optimization method has been developed to minimize the cost of energy (COE). Furthermore, after the selection of four typical cities in China as potential locations for system deployment, eight scenarios based on four different solar intensity curves without and with DR are investigated and compared. The results show that the DR scheduling has been shifted towards the availability of irradiance to form a load peak at the same time as the peak solar radiation, which increases the direct consumption of photovoltaic generation and inhibits the battery dispatch. In comparison with each scenario, DR has great potential in economic performance and leads to a slight reduction in photovoltaic penetration rate. It has been observed that DR can decrease the COE with an average saving of $0.0052/kWh and a maximum reduction rate of 11.1%, while significantly reducing the battery size by 92.9% on average.
Keyword ：
building-integrated photovoltaic energy system demand response optimum sizing and operation solar energy techno-economic analysis
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| GB/T 7714 | Zhang, Chen , Jiang, Shiyong , Zhang, Xiongwen . Techno-economic feasibility analysis of demand response scheduling for optimum sizing and operation of a building-integrated photovoltaic energy system [J]. | INTERNATIONAL JOURNAL OF ENERGY RESEARCH , 2022 , 46 (9) : 12498-12518 . |
| MLA | Zhang, Chen et al. "Techno-economic feasibility analysis of demand response scheduling for optimum sizing and operation of a building-integrated photovoltaic energy system" . | INTERNATIONAL JOURNAL OF ENERGY RESEARCH 46 . 9 (2022) : 12498-12518 . |
| APA | Zhang, Chen , Jiang, Shiyong , Zhang, Xiongwen . Techno-economic feasibility analysis of demand response scheduling for optimum sizing and operation of a building-integrated photovoltaic energy system . | INTERNATIONAL JOURNAL OF ENERGY RESEARCH , 2022 , 46 (9) , 12498-12518 . |
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Abstract ：
To achieve more precise and reliable lithium-ion battery state-of-charge (SOC) estimation, this paper performs a comparative study of different adaptive extended Kalman filters (AEKFs)/adaptive unscented Kalman filters (AUKFs). Firstly, three scenarios are artificially established to evaluate different AEKFs/ AUKFs' estimation accuracy, sensitivity to uncertainty existing in open-circuit-voltage (OCV)-SOC relationship and robustness ability against different forms of disturbances, respectively. Meanwhile, various AEKFs/AUKFs' difficulty of parameters tuning is also evaluated according to our experience. Subsequently, eight indexes that can reflect algorithms' comprehensive estimation performance are further extracted. On this basis, a novel multi-objective analysis decision method by fusion of analytic hierarchy process and entropy weight is adopted to allocate weights for extracted indexes and further compare various AEKFs/AUKFs' comprehensive estimation performance, whose results are shown as scores. The algorithm with highest score demonstrates that it has the optimal comprehensive estimation performance and is also recommended to be used in real application. The most remarkable contribution of this work lies in the suggestions and guidance for researchers when choosing AEKFs/AUKFs for online SOC estimation.(c) 2022 Elsevier Ltd. All rights reserved.
Keyword ：
Adaptive extended Comparative study Multi-objective analysis decision method State-of-charge unscented Kalman filter Various adaptive updating laws
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| GB/T 7714 | Zhang, Shuzhi , Zhang, Chen , Jiang, Shiyong et al. A comparative study of different adaptive extended/unscented Kalman filters for lithium-ion battery state-of-charge estimation [J]. | ENERGY , 2022 , 246 . |
| MLA | Zhang, Shuzhi et al. "A comparative study of different adaptive extended/unscented Kalman filters for lithium-ion battery state-of-charge estimation" . | ENERGY 246 (2022) . |
| APA | Zhang, Shuzhi , Zhang, Chen , Jiang, Shiyong , Zhang, Xiongwen . A comparative study of different adaptive extended/unscented Kalman filters for lithium-ion battery state-of-charge estimation . | ENERGY , 2022 , 246 . |
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Abstract ：
To date, model-based state-of-charge (SOC)/state-of-energy (SOE) estimation algorithm of lithium-ion battery has been widely used in real application due to its rational tradeoffbetween estimation accuracy and complexity. Nevertheless, as the bridge between estimated state and observation information in this class of method, the relationship between open-circuit-voltage (OCV) and SOC/SOE inevitably changes with battery degradation. Therefore, this relationship must be timely updated to assure precise SOC/SOE estimation. Considering the disadvantages existing in traditional OCV tests, including time-consuming and poor flexibility, a novel non-experiment-based reconstruction method for the relationship between OCV and SOC/SOE is proposed in this paper, where no additional battery tests are needed and the relationship between OCV and SOC/SOE can be partially reconstructed during battery's daily operating process. To verify the feasibility of the presented non-experiment-based reconstruction method, a sophisticated driving simulation namely Federal Urban Driving Schedule test is performed in this work. The validation results show that the relationship between OCV and SOC/SOE reconstructed by the proposed non-experimentbased method can well reflect the different battery aging status. On the basis of the reconstructed relationship, both mean absolute error and root mean square error of SOC/SOE estimation results by using extended Kalman filter can be roughly limited below 1%. In addition, a publicly available dataset namely "Panasonic 18650PF Li-ion Battery Data" is further adopted to evaluate the universality of the developed method, whose verification results demonstrate that the designed non-experiment-based method can still construct the relationship between OCV and SOC/SOE precisely of different type of lithium-ion batteries without any sophisticated preliminary tests. (C) 2021 Elsevier Ltd. All rights reserved.
Keyword ：
Non-experiment-based reconstruction method Open-circuit-voltage (OCV) State-of-charge (SOC) State-of-energy (SOE) The relationship between OCV and SOC/SOE
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| GB/T 7714 | Zhang, Shuzhi , Zhang, Xiongwen . A novel non-experiment-based reconstruction method for the relationship between open-circuit-voltage and state-of-charge/state-of-energy of lithium-ion battery [J]. | ELECTROCHIMICA ACTA , 2022 , 403 . |
| MLA | Zhang, Shuzhi et al. "A novel non-experiment-based reconstruction method for the relationship between open-circuit-voltage and state-of-charge/state-of-energy of lithium-ion battery" . | ELECTROCHIMICA ACTA 403 (2022) . |
| APA | Zhang, Shuzhi , Zhang, Xiongwen . A novel non-experiment-based reconstruction method for the relationship between open-circuit-voltage and state-of-charge/state-of-energy of lithium-ion battery . | ELECTROCHIMICA ACTA , 2022 , 403 . |
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Abstract ：
Developing non-precious metal electrocatalysts with high-performance is an urgent need for market entry of proton exchange membrane fuel cells (PEMFCs). Transition metal-nitrogen-carbon catalysts are suggested as efficient oxygen reduction reaction (ORR) electrocatalysts in PEMFCs. However, uncontrollable agglomeration or inhomogeneous microstructure are often generated during the thermolysis of metal/nitrogen/carbon-containing precursors, which results in incomplete active site exposure and inferior mass transport. In this study, a facile step-wise polymerization, subsequent pyrolysis method and then with NH3 activation is explored to construct highly efficient Fe modified all-triazine C3N3 framework for cathodic reaction of fuel cells. Due to its high specific surface area (641 m(2) g(-1)), uniform distribution of active species, micro/mesoporous structure, conductive network and high pyridinic N and graphitic N content, the as-made Fe-C3N3-750-NH3 catalyst delivers atomic sized Fe species, dominant four-electron pathway, attractive ORR performance and good stability relative to commercial Pt/C electrocatalyst. Inexpensive raw materials and facile preparation combined with superior electrocatalytic performance make Fe-C3N3-750-NH3 a promising ORR catalyst, opening new avenues for application of nanostructured polymers in fuel cells.
Keyword ：
Covalent triazine framework Fe-N-C catalyst Non-precious metal Oxygen reduction
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| GB/T 7714 | Chai, Dan , Min, Xiaoteng , Harada, Takashi et al. Covalent triazine framework anchored with atomically dispersed iron as an efficient catalyst for advanced oxygen reduction [J]. | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2021 , 628 . |
| MLA | Chai, Dan et al. "Covalent triazine framework anchored with atomically dispersed iron as an efficient catalyst for advanced oxygen reduction" . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 628 (2021) . |
| APA | Chai, Dan , Min, Xiaoteng , Harada, Takashi , Nakanishi, Shuji , Zhang, Xiongwen . Covalent triazine framework anchored with atomically dispersed iron as an efficient catalyst for advanced oxygen reduction . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2021 , 628 . |
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Abstract ：
Precise states estimation for the lithium-ion battery is one of the fundamental tasks in the battery management system (BMS), where building an accurate battery model is the first step in model-based estimation algorithms. To date, although the comparative studies on different battery models have been performed intensively, little attention is paid to the comparison among different online parameters identification methods regarding model accuracy, robustness ability, adaptability to the different battery operating conditions and computation cost. In this paper, based on the Thevenin model, the three most widely used online parameters identification methods, including extended Kalman filter (EKF), particle swarm optimization (PSO), and recursive least square (RLS), are evaluated comprehensively under static and dynamic tests. It is worth noting that, although the built model's terminal voltage may well follow a measured curve, these identified model parameters may significantly out of reasonable range, which means that the error between measured and predicted terminal voltage cannot be seen as a gist to determine which model is the most accurate. To evaluate model accuracy more rigorously, battery state-of-charge (SOC) is further estimated based on identified model parameters under static and dynamic tests. The SOC prediction results show that EKF and RLS algorithms are more suitable to be used for online model parameters identification under static and dynamic tests, respectively. Moreover, the random offset is added into originally measured data to verify the robustness ability of different methods, whose results indicate EKF and RLS have more satisfactory ability against imprecisely sampled data under static and dynamic tests, respectively. Considering model accuracy, robustness ability, adaptability to the different battery operating conditions and computation cost simultaneously, EKF is recommended to be adopted to establish battery model in real application among these three most widely used methods.
Keyword ：
comprehensive performance lithium-ion battery online model parameters identification methods state-of-charge Thevenin model
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| GB/T 7714 | Zhang, ShuZhi , Zhang, XiongWen . A comparative study of different online model parameters identification methods for lithium-ion battery [J]. | SCIENCE CHINA-TECHNOLOGICAL SCIENCES , 2021 , 64 (10) : 2312-2327 . |
| MLA | Zhang, ShuZhi et al. "A comparative study of different online model parameters identification methods for lithium-ion battery" . | SCIENCE CHINA-TECHNOLOGICAL SCIENCES 64 . 10 (2021) : 2312-2327 . |
| APA | Zhang, ShuZhi , Zhang, XiongWen . A comparative study of different online model parameters identification methods for lithium-ion battery . | SCIENCE CHINA-TECHNOLOGICAL SCIENCES , 2021 , 64 (10) , 2312-2327 . |
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