2022 International Conference on Green Energy and Power Systems(ICGEPS 2022)
Oral Presentations
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If you are interested in giving presentation on conference, without publishing your paper in the proceeding, you can choose to attend EIEIT 2022 as a Presenter. As presenter, you need to submit the abstract and title of your presentation before register. a maximum of 15 minutes total, including speaking time and discussion. Please make sure your presentation is well timed. Please keep in mind that the program is full and that the speaker after you would like their allocated time available to them.
Welcome to attend the conference, if you have any questions, please feel free to contact us (Lily Deng-Wechat: 18818846285)
Registration Link:https://www.ais.cn/attendees/toSignUp/VV6VZV
Registration Template: Templates

Oral Presentations

Oral Speaker 1: Wang Aili,School of Materials and Energy, University of Electronic Science and Technology of China

Speech Title: Study on phase stabilization and defect passivation of inorganic perovskites

Abstract: CsPbX3 inorganic perovskite solar cells (PSCs) have emerged as burgeoning light harvesters for their superior thermal stability, suitable bandgap, and high carrier mobility. Unfortunately, the phase transition problem, caused by the mismatched radius between Cs+, Pb2+, and X ions, is a notable obstacle to block their potential commercialization. In this regard, various additives were reported to inhibit the phase transition, such as inorganic acids, organic halide salts, metal halide salts, solvents, polymers and fullerene. Among these materials, ionic liquids are known as green solvents with high thermal stability, high ionic conductivity and low volatility, which have stimulated considerable attentions as precursor additives or interface layer for efficient PSCs. we adopt 1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF4) and 1-butyl-3-methylimidazolium hexafluorophosphate (BMIMPF6) to improve the phase stability of CsPbI2Br and reduce energy loss. These works provides a novel cogitation for the defect passivation and energy loss reduction to improve both the stability and efficiency of inorganic perovskite solar cells.

Oral Speaker 2: Shuhao Xiao, School of Materials and Energy, University of Electronic Science and Technology of China

Speech Title: Heterostructure interface engineering for boosting sodium storage properties of metal selenides
Abstract: Metal selenides are considered as a group of promising candidates as the anode material for sodium-ion batteries due to their high theoretical capacity. However, the intrinsically low electrical and ionic conductivities as well as huge volume change during the charge-discharge process give rise to an inferior sodium storage capability, which severely hinders their practical application. Considering that the metal selenides possess semiconductor properties, constructing heterostructures with different metal selenides could build internal E-field at heterointerface and thus improving the electronic conductivity and sodium ions diffusion efficiency. Here in, the heterostructure interface engineering was employed with single and bilateral heterointerfaces. These composites delivered enhanced sodium storage properties compared with the pure materials. Moreover, the first-principle calculation was also used to investigate the mechanism of the enhancement.

Oral Speaker 3: Fuying Chen, from Huazhong University of Science and Technology

Speech Title: Evaluation of concentrated solar power potential based on GIS in China
Abstract: Compared with solar photovoltaics, wind power, and other power technologies with strong output fluctuation, concentrating solar power (CSP) technology with storage has higher stability and can match peak demand in power systems. CSP could play an important role in carbon neutrality pathway worldwide. Actions in China is decisive. Few previous studies have estimated CSP technology’s power generation and CO2 emission reduction potentials in China, which may impede appropriate policy formulation for the national deployment of CSP. To address this knowledge gap, the geographical, technical, and CO2 emission reduction potential of CSP in China was evaluated by province based on a geographical information system, considering geographic and technical constraints. Exclusion criteria including solar radiation, slope, land-use type, natural reserve, and water resources were adopted to determine the suitability of CSP plant construction. The results show that approximately 1.02 × 106 km2 of land is available to support CSP development in China, accounting for approximately 11% of China’s land area. Based on the available solar resource on the suitable land, the geographical potential is 2.13 × 1015 kWh. The potential installed capacity is 2.45 × 107–5.40 × 107 MW, considering four CSP technologies. The corresponding annual energy generation potential is 6.46 × 1013–1.85 × 1014 kWh, which is 8.91‒25.52 times the national electricity consumption in 2019. Considering the scenario of using the potential of CSP to replace the current power supply to the maximum extent, CO2 emission would have been reduced by 5.19 × 108, 5.61 × 108, and 6.24 × 108 t in 2017, 2018, and 2019, respectively. At the provincial level, more than 99% of China’s technical potential is concentrated in five western provinces, including Xinjiang (42.06%), Inner Mongolia (18.44%), Qinghai (14.29%), Gansu (9.94%), and Tibet (14.95%). These results provide policy guidance and serve as a reference for the future development of CSP and site selection for CSP plant construction both in China and all over the world.

Oral Speaker 4: Zhuoyuan Chen, from Huazhong University of Science and Technology

Speech Title: Pyrolysis characteristics of waste tire and sulfur migration and transformation mechanism

Abstract: Waste tire pyrolysis technology is a means of efficient resource utilization,, and a large amount of vulcanizing agents are added in the tire production process in order to improve its wear resistance. Different pyrolysis parameters will bring differences in sulfur-containing substances and characteristics in three-state products. Therefore, in this work, the pyrolysis characteristics of pyrolysis waste tires and the migration and transformation mechanism of sulfur will be deeply studied in order to provide a theoretical basis for the pyrolysis of waste tires to produce high-value and low pollution products.The results show that the retention rate of sulfur is 52.87% in solid phase, 41.84% in liquid phase and only 5.29% in gas phase at the pyrolysis temperature of 400℃. With the increase of pyrolysis temperature from 400℃ to 800℃, the retention of sulfur in solid phase firstly decreased to 46.84%, and then gradually increased to 50.35%. Thiophene sulfur and aliphatic sulfur were gradually transformed into sulfate, sulfoxide and sulfone sulfur; The retention of sulfur in the liquid phase first increased to 47.81% and then decreased to 39.25%, reaching the maximum value at 500℃. The sulfur forms were mainly benzothiophene, benzothiophene, 4,4' -bis (tetrahydrothians). The retention rate of sulfur in the gas phase increases to 10.41%, and sulfur mainly exists in the form of H2S and COS.

Oral Speaker 5: Lei Yao, from Shanghai Maritime University

Speech Title: An empirical study on the influencing factors of carbon emissions in East China based on the STIRPAT model.

Abstract: Taking the panel data of 78 cities above the prefecture-level in East China from 2003 to 2017 as a sample, STIRPAT model is used to empirically analyze the factors affecting carbon emissions in East China. The empirical results find that the carbon emission intensity, population, industrial structure, and innovation level in East China have a positive driving effect on carbon emissions, while education investment level, the level of actual use of foreign capital, and financial development have a depressing effect on carbon emissions. There is an "inverted U"-shaped nonlinear relationship between economic development level and carbon emissions. With the improvement of economic development level, carbon emissions show a trend of rising first and then falling after reaching a peak. Therefore, in order to reduce carbon emissions in East China, measures should be taken from five aspects: maintaining healthy and stable economic development, optimizing the industrial structure, actively introducing high-quality foreign investment, increasing education funding, and improving innovation capabilities and levels.