Article
Green & Sustainable Science & Technology
Xiaokang Xia, Tao Gu, Miaomiao Fan, Haifei Chen, Bendong Yu
Summary: This study proposed a novel multifunctional system that combines photocatalytic purification technology with PV/T technology, and experimental results showed significant effects of TiO2 nanofluids concentration and depth on electrical performance and formaldehyde solubility. The study also investigated the photocatalytic process and energy analysis of the system in a typical day, revealing improvements in photocatalytic oxidation rate and additional sterilization time compared to conventional systems.
Article
Construction & Building Technology
Chuyao Wang, Niansi Li, Bendong Yu, Md Muin Uddin, Jie Ji
Summary: The study introduces a photocatalytic double-skin facade technology based on the mechanism of solar spectrum-splitting utilization, and analyzes its weather sensitivity and comprehensive energy performance through simulation modeling. Results show that the PCPV-DSF system can significantly reduce electrical energy consumption and purify air in cold regions, with superior thermal insulation effects compared to conventional systems.
BUILDING AND ENVIRONMENT
(2021)
Article
Thermodynamics
Abdoulganiour Almame Tinta, Ahmed Yves Sylla, Edmond Lankouande
Summary: Energy scarcity and the use of unclean fuels are common in Africa. This study explores the determinants of energy diversity through the adoption of solar PV systems by rural households. Findings from primary data collected from 105 villages in Burkina Faso, comprising 6300 households, indicate that rural households engaged in economic activities are more likely to adopt solar PV systems, and entrepreneurial spirit has a positive impact on adoption. Additionally, the use of solar PV technology is influenced by household head age, gender, family size, and education. The findings imply the need to target financial support and micro-credit towards rural households.
Article
Chemistry, Physical
Qiwei Zheng, Tongyuan Sun, Lin Fang, Li Zheng, Hexing Li
Summary: By using a triboelectric nanogenerator coupled with non-thermal plasma and photocatalytic oxidation, we have developed a self-powered air purifier that can efficiently degrade indoor organic pollutant formaldehyde. This design is not limited by sunlight and can provide a clean and healthy indoor environment around the clock.
Article
Environmental Sciences
Changye Mang, Guanghui Li, Mingjun Rao, Xin Zhang, Jun Luo, Tao Jiang
Summary: Doping transition metal ions can improve the interfacial charge transfer process and enhance multielectron reduction reactions of oxygen in photocatalysts. The study demonstrates that Fe-doped birnessite-type MnO2 exhibits the highest photocatalytic activity for formaldehyde oxidation.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Green & Sustainable Science & Technology
Vincenzo Bianco, Furio Cascetta, Sergio Nardini
Summary: The development of solar PV in Italy is influenced by regulatory framework and public incentives, leading to speculative behavior among investors. Additionally, the increase in PV installed capacity results in a decrease in electricity market prices, prompting large power utilities to actively participate in the PV market.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Chemistry, Analytical
Maria C. Bueso, Jose Miguel Paredes-Parra, Antonio Mateo-Aroca, Angel Molina-Garcia
Summary: This paper proposes a methodology for short-term solar power generation forecasting using LoRa-based PV monitoring, and evaluates the influence of LoRa parameters on forecasting accuracy through sensitivity analysis.
Article
Thermodynamics
Gan Huang, Christos N. Markides
Summary: Spectral splitting PVT collectors with semi-transparent PV solar cells can simultaneously generate electricity and high-temperature thermal energy while effectively decoupling the PV cells from the solar thermal absorber. Different types of semi-transparent solar cells exhibit varying levels of performance in generating electrical and thermal energy simultaneously.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Green & Sustainable Science & Technology
Yifan Jiang, Xinsheng Li, Jian Yao, Xin Wan, Jingxin Zhang, Yanjun Dai
Summary: In this study, a distributed aerobic composting system assisted by a solar photovoltaic thermal heat pump was proposed and simulated. The effects of ambient temperatures, wind speeds, and solar radiation intensities on the performance of the hybrid system were investigated. The results showed that the system could satisfy the compost maturity standard under certain temperature conditions. Additionally, the ambient temperature and solar radiation intensity had an impact on the system performance, while wind speed had a minor effect.
Article
Thermodynamics
Telugu Venkatesh, S. Manikandan, C. Selvam, Sivasankaran Harish
Summary: By utilizing water-based graphene nanofluids, the energy efficiency of a hybrid PV/T system can be significantly improved while reducing the panel temperature. Increasing graphene concentration in water enhances thermal conductivity, leading to improved energy efficiency of the system.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2022)
Article
Energy & Fuels
Renpeng Li, Siyang Zheng, Ruzhu Wang, Zhenyuan Xu
Summary: This paper proposes a hybrid reverse osmosis-thermal distillation system driven by a solar photovoltaic-thermal collector, which achieves better utilization of solar energy and has a higher water productivity, making it an effective choice for boosting the water productivity of solar desalination.
Review
Energy & Fuels
Alexander Abramovitz, Doron Shmilovitz
Summary: Since the industrial revolution, the world's economy has heavily relied on fossil fuels, leading to environmental issues. The growing awareness of environmental problems has sparked interest in clean and sustainable energy sources, with solar energy standing out as a promising solution.
Article
Multidisciplinary Sciences
Yun Lu, Sujun Guan, Liang Hao, Hiroyuki Yoshida, Shohei Nakada, Taisei Takizawa, Takaomi Itoi
Summary: The study found that a coating primarily composed of titanium dioxide (TiO2) has significant inactivation effects on both SARS-CoV-2 and influenza viruses, while effectively degrading harmful substances such as acetaldehyde and formaldehyde. This discovery is of great importance for curbing the spread of the pandemic and creating safe working environments.
SCIENTIFIC REPORTS
(2022)
Review
Energy & Fuels
Mensour Almadhhachi, Istvan Seres, Istvan Farkas
Summary: This article presents an overview of the recently modified solar tree technology, which efficiently addresses the challenges of land demand, capturing effectiveness, and public image faced by solar PV technology. The article provides detailed information on the technology configurations, operational aspects, and types of solar trees, and analyzes the innovations and commercial prototypes. The study demonstrates that solar tree technology is a good energy conversion method, capable of efficiently collecting sunshine and creating a greater solar fraction.
Article
Economics
Tracey Dodd, Tim Nelson
Summary: The study shows that increasing solar PV installation on hardship homes can significantly reduce electricity consumption, lower greenhouse gas emissions, and save energy costs for low-income households over a 15-year period.
Article
Thermodynamics
Kai Zhang, Yiwen Zhang, Jinxiang Liu, Xiaofeng Niu
APPLIED THERMAL ENGINEERING
(2018)
Article
Construction & Building Technology
Kai Zhang, Yutong Zhu, Jinxiang Liu, Xiaofeng Niu, Xiaolei Yuan
ENERGY AND BUILDINGS
(2018)
Article
Engineering, Civil
Yan Tong, Dekai Huo, Peigen Zhu, Xiaofeng Niu
FIRE SAFETY JOURNAL
(2018)
Article
Energy & Fuels
Yan Wang, Zhimin Liu, Xiaofeng Niu, Xiang Ling
Article
Construction & Building Technology
Yan Tong, Kai Lin, Qi Hu, XiaoFeng Niu, JunHuan Peng, DeKai Huo, Wen Yan
INTERNATIONAL JOURNAL OF VENTILATION
(2020)
Article
Thermodynamics
Yutong Zhu, Kai Zhang, Jinxiang Liu, Xiaofeng Niu, Chen Jin
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
(2019)
Article
Energy & Fuels
Wei Liu, Yanfeng Gong, Xiaofeng Niu, Junjie Shen, Risto Kosonen
Article
Thermodynamics
Yu Wang, Zhicheng Liu, Xiaolei Yuan, Xiaofeng Niu, Jinxiang Liu
BUILDING SIMULATION
(2019)
Review
Thermodynamics
Lufang Chen, Kai Zhang, Mingquan Ma, Saihong Tang, Fei Li, Xiaofeng Niu
BUILDING SIMULATION
(2020)
Article
Construction & Building Technology
Dandan Wang, Xiaofeng Niu, Yufeng Yan, Peng Gao, Dichang Duan
Summary: Adding microencapsulated phase change materials (MicroPCMs) into liquid desiccant solution can improve dehumidification performance, with the inlet temperature of the microencapsulated phase change material slurry (MPCMS) being a critical variable. Corrugated plate configuration is more conducive to dehumidification enhancement by the MPCMS.
ENERGY AND BUILDINGS
(2021)
Article
Construction & Building Technology
Xiaofeng Niu, Ruifeng Xia, Honglin Dong, Dandan Wang, Dichang Duan, Peng Gao, Risto Kosonen
Summary: The dispersion stability of MPCMS can be greatly improved by adding surfactant, with different surfactants affecting the absorbency differently; The thermal conductivity of MPCMS decreases with increasing MicroPCMs concentration, but increases initially and then gradually declines when the mass concentration of MicroPCMs ranges from 1.0% to 2.0%.
ENERGY AND BUILDINGS
(2021)
Article
Green & Sustainable Science & Technology
Yizhe Xu, Chengchu Yan, Jingfeng Shi, Zefeng Lu, Xiaofeng Niu, Yanlong Jiang, Faxing Zhu
Summary: In this study, a data mining-based method is proposed for anomaly detection and dynamic energy performance evaluation of an HVAC system. The method can effectively identify abnormal operation data of HVAC systems and establish energy performance evaluation rules, improving building energy efficiency.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Thermodynamics
Honglin Dong, Dandan Wang, Xiaofeng Niu, Yue Zhang, Xu He, Qing Ke, Zhiheng Lu
Summary: The study confirmed the effectiveness of using microencapsulated phase change materials slurry (MPCMS) as a liquid desiccant for auto internally cooled dehumidification. The addition of MicroPCMs to LiCl solution significantly improved dehumidification performance, with the phase change endothermic effect playing a major role. Factors such as concentration of MicroPCMs, temperature and flow rate of the MPCMS, and process air inlet state all influenced dehumidification performance.
Article
Green & Sustainable Science & Technology
Xiaofeng Niu, Qing Ke, Zhaohua Wang, Junming Zhou, Honglin Dong, Omid Mahian
Summary: Building on previous findings, this study investigates the impact of microencapsulated phase change materials (MicroPCM) on regeneration and the entire dehumidification system. The results show that the addition of MicroPCM hampers regeneration but can still enhance the overall performance of the system within a certain concentration range.
Article
Thermodynamics
Pengcheng Zhao, Jingang Wang, Liming Sun, Yun Li, Haiting Xia, Wei He
Summary: The production of green hydrogen through water electrolysis is crucial for renewable energy utilization and decarbonization. This research explores the optimal electrode configuration and system design of compactly-assembled industrial electrolyzer. The findings provide valuable insights for industrial application of water electrolysis equipment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
V. Baiju, P. Abhishek, S. Harikrishnan
Summary: Thermally driven adsorption desalination systems (ADS) have gained attention as an eco-friendly solution for water scarcity. However, they face challenges related to low water productivity and scalability. To overcome these challenges, integrating ADS with other desalination technologies can create a small-scale hybrid system. This study proposes integrating ADS with a Thermo Electric Dehumidification (TED) unit to enhance its performance.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
C. X. He, Y. H. Liu, X. Y. Huang, S. B. Wan, Q. Chen, J. Sun, T. S. Zhao
Summary: A decentralized centroid multi-path RC network model is constructed to improve the temperature prediction accuracy compared to traditional RC models. By incorporating multiple heat flow paths and decentralizing thermal capacity, a more accurate prediction is achieved.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chaoying Li, Meng Wang, Nana Li, Di Gu, Chao Yan, Dandan Yuan, Hong Jiang, Baohui Wang, Xirui Wang
Summary: There is an urgent need to shift away from heavy dependence on fossil fuels and embrace renewable energy sources, particularly in the energy-intensive oil refining process. This study presents an innovative concept called the Solar Oil Refinery, which applies solar energy in oil refining. A solar multi-energies-driven hybrid chemical oil refining system that utilizes solar pyrolysis and electrolysis has been developed, significantly improving solar utilization efficiency, cracking rate, and hydrogen yield.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chao Ma, Guanghui Wang, Dingbiao Wang, Xu Peng, Yushen Yang, Xinxin Liu, Chongrui Yang, Jiaheng Chen
Summary: This study proposes a bio-inspired fish-tail wind rotor to improve the wind power efficiency of the traditional Savonius rotor. Through transient simulations and orthogonal experiments, the key factors affecting the performance are identified. A response surface model is constructed to optimize the power coefficient, resulting in an improvement of 9.4% and 6.6% compared to the Savonius rotor.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sina Bahmanziari, Abbas-Ali Zamani
Summary: This paper proposes a new framework for improving electrical energy harvesting from piezoelectric smart tiles through a combination of magnetic plucking, mechanical impact, and mechanical vibration force mechanisms. Experimental results demonstrate a significant increase in energy yield and average energy harvesting time compared to other mechanisms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Nanjiang Dong, Tao Zhang, Rui Wang
Summary: This study establishes a multiobjective mixed-variable configuration optimization model for a comprehensive combined cooling, heating, and power energy system, and proposes an efficient generating operator to optimize this model. The experimental results show that the proposed algorithm performs better than other state-of-the-art algorithms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Ahmed E. Mansy, Eman A. El Desouky, Tarek H. Taha, M. A. Abu-Saied, Hamada El-Gendi, Ranya A. Amer, Zhen-Yu Tian
Summary: This study aims to convert office paper waste into bioethanol through a sustainable pathway. The results show that physiochemical and enzymatic hydrolysis of the waste can yield a high glucose concentration. The optimal conditions were determined using the Box-Behnken design, and a blended membrane was used for ethanol purification.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sven Klute, Marcus Budt, Mathias van Beek, Christian Doetsch
Summary: Heat pumps are crucial for decarbonizing heat supply, and steam generating heat pumps have the potential to decarbonize the industrial sector. This paper presents the current state, technical and economic data, and modeling principles of steam generating heat pumps.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Le Zhang, To-Hung Tsui, Yen Wah Tong, Pruk Aggarangsi, Ronghou Liu
Summary: This study investigates the effectiveness of a current-carrying-coil-based magnetic field in promoting anaerobic digestion of chicken manure. The results show that the applied magnetic field increases methane yield, decreases carbon dioxide production, and reduces the concentration of ammonia nitrogen. Microbial community analysis reveals the enrichment of certain methanogenic genera and enhanced metabolic pathways. Pilot-scale experiments confirm the technical effectiveness of the magnetic field assistance in enhancing anaerobic digestion of chicken manure.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Bo Chen, Ruiqing Ma, Yang Zhou, Rui Ma, Wentao Jiang, Fan Yang
Summary: This paper presents an advanced energy management strategy for fuel cell hybrid electric heavy-duty vehicles, focusing on speed planning and energy allocation. By utilizing predictive co-optimization control, this strategy ensures safe inter-vehicle distance and minimizes energy demand. Simulation results demonstrate the effectiveness of the proposed method in reducing fuel cell degradation cost and overall operation cost.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Fabio Fatigati, Roberto Cipollone
Summary: Organic Rankine Cycle-based microcogeneration systems that use solar sources to generate electricity and hot water can help reduce CO2 emissions in residential energy-intensive sectors. The adoption of a recuperative heat exchanger in these systems improves efficiency, reduces thermal power requirements, and saves on electricity costs.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Lipeng He, Renwen Liu, Xuejin Liu, Xiaotian Zheng, Limin Zhang, Jieqiong Lin
Summary: This research proposes a piezoelectric-electromagnetic hybrid energy harvester (PEHEH) for low-frequency wave motion and self-sensing wave environment monitoring. The PEHEH shows promising power output and the ability to self-power and self-sense the wave environment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Shangling Chu, Yang Liu, Zipeng Xu, Heng Zhang, Haiping Chen, Dan Gao
Summary: This paper studies a distributed energy system integrated with solar and natural gas, analyzes the impact of different parameters on its energy utilization and emissions reduction, and obtains the optimal solution through an optimization algorithm. The results show that compared to traditional separation production systems, this integrated system achieves higher energy utilization and greater reduction in carbon emissions.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Qingpu Li, Yaqi Ding, Guangming Chen, Yongmei Xuan, Neng Gao, Nian Li, Xinyue Hao
Summary: This paper proposes and studies a piston-type thermally-driven pump with a structure similar to a linear compressor, aiming to eliminate the high-quality energy consumption of existing pumps and replace mechanical pumps. The coupling mechanism of working fluid flow and element dimension is analyzed based on force analysis, and experimental data analysis is used to determine the pump operation stroke. Theoretical simulation is conducted to analyze the correlation mechanism of the piston assembly. The research shows that the thermally-driven pump can greatly reduce power consumption and has potential for industrial applications.
ENERGY CONVERSION AND MANAGEMENT
(2024)