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	1. Study on Influencing factors of power supply efficiency of photoelectric building based on SEM
	Li Meng,Zhang Haibo
	Energy Science and Technology 06 January 2023
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:Energy saving and carbon reduction in buildings is the key link for our country to achieve "carbon peak" and "carbon neutral" goals, and the important way to develop high-quality and large-scale application of photovoltaic power generation. Through the collection and collation of relevant literature, this paper systematically analyzes the factors affecting the power supply efficiency of photoelectric buildings, and uses Likert scale to compile and distribute questionnaires. Based on the structural equation model, the data were collected and screened by SPSS22 and AMOS26 software. The data were processed and a model was established to identify the main factors affecting the energy supply efficiency of photovoltaic buildings. The model results show that the first-order indicators that should be paid attention to are module conversion efficiency and mechanical load, whose first-order weight coefficient is 0.254, indicating that the module power attenuation loss and dust occlusion loss are relatively serious in the process of converting light energy into electric energy. The energy conversion efficiency of photovoltaic buildings can be improved by strengthening the control of key factors. The research on the influencing factors of the power supply efficiency of photoelectric buildings is of great significance to achieve the goal of "carbon peak" and "carbon neutrality"
	TO cite this article:Li Meng,Zhang Haibo. Study on Influencing factors of power supply efficiency of photoelectric building based on SEM[OL].[ 6 January 2023] http://en.paper.edu.cn/en_releasepaper/content/4758784


	2. Study on the identification of natural energy potential and the suitability of heating technology in chongqing rural area
	Weng Daiyin,Liu Meng
	Energy Science and Technology 10 March 2020
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	Abstract:This paper investigates the distribution characteristics of natural energy such as solar energy, outdoor air temperature and humidity in Chongqing rural area. Through the experimental test, the suitability of the heating system (solar water heating system, air source heat pump heating system, solar hybrid air source heat pump heating system) in Chongqing rural area was analyzed. The research shows that the annual total solar radiation in Chongqing is between 3200 and 3900 MJ/m2, and the solar water heating system is greatly affected by the weather. On the sunny days in winter, the average temperature of hot water rises by 21 C, which can\'t meet the use requirements. The average outdoor temperature of Chongqing rural area is 7.9 C, the average relative humidity is above 87%, and the air source heat pump heating system has a COP range of 1.5-2.0, which is not efficient. The energy efficiency ratio of the solar hybrid air source heat pump heating system can reach 3.21, which is far greater than the performance of the air source heat pump when it is separately heating, and overcomes the shortcomings of the solar water heating system whose performance is greatly affected by the weather. Therefore the solar hybrid air source heat pump heating system is more suitable for heating in Chongqing rural area.
	TO cite this article:Weng Daiyin,Liu Meng. Study on the identification of natural energy potential and the suitability of heating technology in chongqing rural area[OL].[10 March 2020] http://en.paper.edu.cn/en_releasepaper/content/4751094


	3. An endurable watt-power Bi2Te3-based terrestrial radioisotope thermoelectric generator harvesting decay energy for IoT-based sensors in extreme environments
	Deng Wei,Wang Xuejian,Pan Xiaodong,Zhang Shixu,Ding Jingjie,Li Gongping
	Energy Science and Technology 02 February 2020
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	Abstract:Radioisotope thermoelectric generator (RTG), a technology that mostly adopted in space missions, is regarded as a promising technology to power the Internet of Things-based (IoT) sensors, especially those in extreme environments, for its merits of stability, maintenance-free and long-life. This paper studied RTG\'s application on earth and fabricated an endurable watt-power Bi2Te3-based terrestrial RTG. By employing the finite element analysis, an octagonal cylinder-shaped substituted electric heater was designed to have a higher surface temperature and better temperature uniformity while the fin-shaped radiators to dissipate heat at their optimal heat-sinking capacity. In the experiment part, this terrestrial RTG was tested to have an output power of 4.64 W and an open-circuit voltage of 27.2 V. Also, an optimal electric connection instruction between each thermoelectric (TE) converter was proposed from the experiment. Whereafter, based on the structure used in the experiment part, the finite element analysis was carried out to optimize the geometry of TE converters, the terrestrial RTG possessed an enhanced output power of 10.5 W with an open-circuit voltage of 57.8 V. Ultimately, this paper proposed important guidance for the design and optimization of an endurable terrestrial RTG, which could provide some prospects for its application on IoT-based sensors.
	TO cite this article:Deng Wei,Wang Xuejian,Pan Xiaodong, et al. An endurable watt-power Bi2Te3-based terrestrial radioisotope thermoelectric generator harvesting decay energy for IoT-based sensors in extreme environments[OL].[ 2 February 2020] http://en.paper.edu.cn/en_releasepaper/content/4750596


	4. The electrochemical performances of 904L stainless steel as negative grid for lead-acid batteries
	LI Yuan,ZHU Wei
	Energy Science and Technology 23 May 2017
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