Solar Energy Materials and Solar Cells最新文献_第2页

Enhancing passivation and reducing absorption losses in TOPCon solar cells via Poly-Si finger structure

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-23 DOI: 10.1016/j.solmat.2025.113600

Wangchao Wan , Minqiang Wang , Xinpeng Zhang , Chen Zhang , Zheyuan Da , Junnan Wang , Qing Yao

{"title":"Enhancing passivation and reducing absorption losses in TOPCon solar cells via Poly-Si finger structure","authors":"Wangchao Wan , Minqiang Wang , Xinpeng Zhang , Chen Zhang , Zheyuan Da , Junnan Wang , Qing Yao","doi":"10.1016/j.solmat.2025.113600","DOIUrl":"10.1016/j.solmat.2025.113600","url":null,"abstract":"<div><div>Tunnel Oxide Passivated Contact (TOPCon) technology is one of the most influential and industrially feasible solar cell technologies today. Its excellent passivation contact performance has become a hot spot of current research. However, more serious parasitic absorption exists in polysilicon films, and balancing the thickness of polysilicon to solve the absorption coefficient of poly-Si with metallization contact is worthy of further research and discussion. To solve this problem, poly-Si was prepared graphically using laser, and the poly-Si finger TOPCon cell structure was formed by the heat generated by the laser. Various characterization techniques such as scanning electron microscopy (SEM), electrochemical voltammetry (ECV) and spectroscopic ellipsometry (SE) confirmed the validity of the structure. The main results show that the poly-Si finger structure effectively reduces the parasitic absorption loss of polysilicon, improves the current density of the cell and maintains the passivation performance on par with the metal contact. As a result, the average conversion efficiency in the final production stage increased by 0.33 % compared to the baseline set. This study emphasizes the potential of this poly-Si finger structure to drive the fabrication of highly efficient solar cells by emphasizing significant improvements in parasitic absorption losses and overall cell performance.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113600"},"PeriodicalIF":6.3,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143683304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Performance degradation in GaSb thermophotovoltaic cells under proton and electron irradiations

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-23 DOI: 10.1016/j.solmat.2025.113597

Hucheng Wang , Bohui Huang , Bintao Xue , Jianxiong Shao , Yonghui Liu , Liangliang Tang , Zhiyang Wang , Ximeng Chen , Zhanzu Feng , Chengzhi Han , Jiawen Qiu , Dai Tian , Limin Zhang , Aixiang Yang

{"title":"Performance degradation in GaSb thermophotovoltaic cells under proton and electron irradiations","authors":"Hucheng Wang , Bohui Huang , Bintao Xue , Jianxiong Shao , Yonghui Liu , Liangliang Tang , Zhiyang Wang , Ximeng Chen , Zhanzu Feng , Chengzhi Han , Jiawen Qiu , Dai Tian , Limin Zhang , Aixiang Yang","doi":"10.1016/j.solmat.2025.113597","DOIUrl":"10.1016/j.solmat.2025.113597","url":null,"abstract":"<div><div>This study reports on the proton and electron irradiation-induced performance degradation in GaSb thermophotovoltaic cells. GaSb cells and GaSb single crystals were irradiated using 100 MeV and 100 keV protons and 1 MeV electrons. Through measurement of cells and single crystals and simulation of irradiation experiments, it is found that 100 MeV protons penetrate the whole GaSb cell and produce uniformly distributed irradiation damage in the functional layer of the cell, and the maximum power (P<sub>MAX</sub>) of the cell decreases to 69 % when the proton fluence reaches 1 × 10<sup>12</sup> p/cm<sup>2</sup>. 100 keV protons are mainly injected in the PN junction region of the cell, and when the fluence is 3 × 10<sup>11</sup> p/cm<sup>2</sup>, the P<sub>MAX</sub> decreases to ∼10 %, and the cell basically fails completely. 1 MeV electrons penetrate the PN junction region to reach the base area, and more than 95 % of the electron energy is deposited inside the cell, and the P<sub>MAX</sub> decreases to 63 % when the electron fluence reaches 1 × 10<sup>16</sup> e/cm<sup>2</sup>. Proton and electron irradiations did not lead to significant structural damage in GaSb single crystals, but probably introduced Ga vacancies or vacancy cluster, which act as non-radiative recombination centres, reducing the carrier lifetime and concentration in the PN junction region of the GaSb cell, leading to degradation of its performance. This study informs the application of GaSb cells in radioisotope thermophotovoltaic systems.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113597"},"PeriodicalIF":6.3,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143683303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of energy storage technologies on life cycle sustainability for peak shaving scenario

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-22 DOI: 10.1016/j.solmat.2025.113576

Nana Chen , Xiaoqu Han , Lu Nie , Yanxin Li , Xiaofan Huang , Junjie Yan

{"title":"Assessment of energy storage technologies on life cycle sustainability for peak shaving scenario","authors":"Nana Chen , Xiaoqu Han , Lu Nie , Yanxin Li , Xiaofan Huang , Junjie Yan","doi":"10.1016/j.solmat.2025.113576","DOIUrl":"10.1016/j.solmat.2025.113576","url":null,"abstract":"<div><div>Energy storage technology plays an important role in grid balancing, particularly for peak shaving and load shifting, due to the increasing penetration of renewable energy sources such as solar energy and their inherent intermittency and unpredictability. A life cycle sustainability assessment of typical energy storage technologies was performed in the present work, from the aspects of the technical, economic, environmental and social categories. A combined approach of the analytic hierarchy process (AHP), life cycle assessment (LCA), life cycle cost (LCC), and the technique for order preference by similarity to an ideal solution (TOPSIS), was developed. Four alternatives were investigated, including pumped hydro storage (PHS), compressed air energy storage (CAES), lithium iron phosphate battery (LIPB) and vanadium redox flow battery (VRFB). The sustainability scores indicated that PHS and LIPB were recommended as suitable options, scoring 0.73 and 0.49, respectively, on the basis of the highest weight of the technical criteria determined through the combination of the AHP and the entropy weight method (EWM). Moreover, a sensitivity analysis was carried out regarding the environmental impacts, economic performance and sustainability rankings. The results indicated that the round-trip efficiency significantly influenced the environmental performance, whereas the economic performance was sensitive to the discharge depth and the cycle frequency. Finally, the sustainability rankings were strongly dependent on the weights of criteria, underscoring the importance of real-world applications and decision-makers’ preferences.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113576"},"PeriodicalIF":6.3,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143683300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing inline quality control: Machine learning for full scale 3D prediction of screen-printed silver contacts

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-21 DOI: 10.1016/j.solmat.2025.113592

M. Singler , M. Burgert , R. Preu , F. Clement , A. Lorenz

{"title":"Enhancing inline quality control: Machine learning for full scale 3D prediction of screen-printed silver contacts","authors":"M. Singler , M. Burgert , R. Preu , F. Clement , A. Lorenz","doi":"10.1016/j.solmat.2025.113592","DOIUrl":"10.1016/j.solmat.2025.113592","url":null,"abstract":"<div><div>In the production of silicon solar cells, screen-printing is the industry standard for the application of silver electrodes. With regard to fine-line printing (<15 μm), however, this process often leads to inefficient silver consumption and increased lateral resistance of the grid due to irregularities such as mesh marks or interruptions. In this work we present insights into a full-scale software approach to evaluate the quality of the contact finger geometry inline and directly after printing. Several fully automatic image processing pipelines are developed to generate training data using images of a 2D microscope and a 3D confocal laser scanning microscope (CLSM). For inline use, another image processing pipeline is being developed to recognize structures fully automatically and provide them in the correct format. The use of machine learning methods enables a prediction of the 3-dimensional finger geometry, which can then be used to draw conclusions about the impact of parameter changes on the finger geometry. After training, the model's predicted height maps are compared with ground truth data, which are the actual measured values used to assess the model's accuracy. The results demonstrate the model's feasibility and reliability, extending its applicability to new, previously unseen data from screen-printed contact fingers. Based on the mean squared error (MSE), a prediction accuracy of 97,4 % was achieved. The 3-dimensional finger structures of a complete wafer (e.g. M2 format, 100 fingers) can be predicted within 338 ms which makes permanent inline use possible within the state-of-the-art cycle time.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113592"},"PeriodicalIF":6.3,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143683302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrical and optical characterizations and modeling of bifacial photovoltaic mini-modules integrated into solar air heaters

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-20 DOI: 10.1016/j.solmat.2025.113566

Karam Alhroub , Bashar Hammad , Ahmad Kattan , Charlotte Pfau , Christian Hagendorf , Marko Turek

{"title":"Electrical and optical characterizations and modeling of bifacial photovoltaic mini-modules integrated into solar air heaters","authors":"Karam Alhroub , Bashar Hammad , Ahmad Kattan , Charlotte Pfau , Christian Hagendorf , Marko Turek","doi":"10.1016/j.solmat.2025.113566","DOIUrl":"10.1016/j.solmat.2025.113566","url":null,"abstract":"<div><div>Solar energy is a sustainable substitute for fossil fuels that have an undesirable environmental impact in addition to the danger of depletion. Despite their potential, conventional solar air heaters (SAHs) are limited to thermal applications and suffer low efficiency due to heat loss and design constraints. Photovoltaic-thermal (PVT) systems, which simultaneously generate electricity and heat, offer a promising alternative. This study investigates the integration of bifacial photovoltaic (PV) minimodules into SAHs, with the aim of enhancing their performance and expanding their functionality. The objective of this work is to compare the optical and electrical performance of SAHs integrated with a bifacial PV mini-module in comparison to conventional SAHs with glass only. The methodology adopted is based on experimental optical and electrical characterizations in different wavelength ranges. The results reveal that 80.79% of the incoming irradiance reaches the absorber plate in conventional SAHs with glass only, while the rest is lost due to reflection and absorption. However, in SAHs with PV mini-module, 26.09% of the irradiance reaches the absorber plate, 54.53% of the total energy is absorbed in the PV cell contributing to electricity (10.53% is harnessed as electricity in the 300–1200 nm wavelength range) and heating (44.00%) generation, 10.11% of the total energy is absorbed in the surroundings of the PV cell, and the remaining 9.27% is lost due to reflection. These findings shed light on the intricate energy distribution and utilization within PV mini-modules when integrated into SAHs. More importantly, this study establishes a foundation for the design and optimization of efficient PVT-SAH systems in future research and development efforts.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113566"},"PeriodicalIF":6.3,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143683301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High-performance metasurface based daytime radiative cooler designed by random forest method

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-19 DOI: 10.1016/j.solmat.2025.113591

Riaz Ali , Wei Su , Muhammad Ali , Ali Akhtar , Muhammad Usman , Zaib Ullah Khan

{"title":"High-performance metasurface based daytime radiative cooler designed by random forest method","authors":"Riaz Ali , Wei Su , Muhammad Ali , Ali Akhtar , Muhammad Usman , Zaib Ullah Khan","doi":"10.1016/j.solmat.2025.113591","DOIUrl":"10.1016/j.solmat.2025.113591","url":null,"abstract":"<div><div>The consumption of fossil fuels is the primary source of the energy crisis and global warming, which have emerged as the world's most pressing issues. As time goes, the previous methods of designing radiative coolers are no longer viable due to the difficulty in achieving the desired performances. In this paper, the machine learning (ML) approach known as the Random Forest (RF) regression model is utilized to forecast and enhance the performance of a metasurface-based daytime radiative cooler. The proposed radiative cooler achieved an average absorptivity/emissivity of 99.69 % in the first atmospheric window (AW1) and 98.12 % in the second atmospheric window (AW2), with an Ultra-wide perfect absorption bandwidth of 19.9 μm. It is also estimated that the solar band has a reflection of 94.50 %. The Random Forest (RF) regression model has a Mean Absolute Percentage Error (MAPE) of 0.4955 %, which is far less than any other machine learning algorithms. Besides this, for better understanding of the absorption mechanism, the electric and magnetic fields distribution theory is investigated at different absorption peaks. Further the structure is polarization and incidence angle insensitive and show a good absorption performance even at larger angle of incidence. The proposed radiative cooler device got a net cooling power of 170.65 Wm<sup>-2</sup> at ambient temperature. This innovative method of enhancing the designing process might make the radiative cooler device considerably more precise.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113591"},"PeriodicalIF":6.3,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143683299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Photon-enhanced thermionic emission devices with perovskite photovoltaic anodes for conversion of concentrated sunlight

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-18 DOI: 10.1016/j.solmat.2025.113588

A. Bellucci , Y. Raoui , E. Bolli , M. Mastellone , R. Salerno , V. Valentini , R. Polini , A. Mezzi , A. Di Carlo , L. Vesce , D.M. Trucchi

{"title":"Photon-enhanced thermionic emission devices with perovskite photovoltaic anodes for conversion of concentrated sunlight","authors":"A. Bellucci , Y. Raoui , E. Bolli , M. Mastellone , R. Salerno , V. Valentini , R. Polini , A. Mezzi , A. Di Carlo , L. Vesce , D.M. Trucchi","doi":"10.1016/j.solmat.2025.113588","DOIUrl":"10.1016/j.solmat.2025.113588","url":null,"abstract":"<div><div>Perovskite photovoltaic (PV) structures have been applied for the first time as anodes in photon-enhanced thermionic emission (PETE) devices to collect electrons as well as to photoelectrically convert the radiation emitted from high temperature silicon/diamond cathodes. Hybrid PETE-PV devices have been tested under concentrated sunlight, reaching the maximum cathode temperature of 650 °C. Experiments show that the PV anodes can operate without damage up to a cathode temperature of 560 °C, corresponding to an approximate surface anode temperature of 130 °C. The proposed converters in a 2-terminals configuration confirm an output voltage boost with respect to the mere PETE converters. Additionally, an effective reduction of the anode work function between 0.45 and 0.6 eV is achieved by depositing a 20 nm-thick scandium oxide coating. Even if the materials used for these proof-of-concept experiments are not optimized for the investigated operating temperature range, this study highlights the feasibility of using perovskites as photovoltaic anodes in PETE devices for the conversion of the concentrated solar radiation, thus opening the path for future development of the concept to large-area and low production cost perovskite PV-based structures in thermionic-based energy converters.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113588"},"PeriodicalIF":6.3,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143643860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spectrum-tailorable two-dimensional silicon–titanium nitride selective emitter by photon recycling for thermophotovoltaic applications

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-17 DOI: 10.1016/j.solmat.2025.113560

Xiaoqi Zhou , Man Zhang , Shengyu Sun, Yixin Sun, Zhongyan Li, Shipei Zhang, Xiawa Wang

{"title":"Spectrum-tailorable two-dimensional silicon–titanium nitride selective emitter by photon recycling for thermophotovoltaic applications","authors":"Xiaoqi Zhou , Man Zhang , Shengyu Sun, Yixin Sun, Zhongyan Li, Shipei Zhang, Xiawa Wang","doi":"10.1016/j.solmat.2025.113560","DOIUrl":"10.1016/j.solmat.2025.113560","url":null,"abstract":"<div><div>Thermophotovoltaic (TPV) systems have gained attention for their ability to convert radiant energy from heat sources into electricity. One major challenge is fabricating a spectrum-tailorable selective emitter with high performance at elevated temperatures. In this study, two-dimensional (2D) silicon-titanium nitride (Si–TiN) photonic crystals (PhCs) with TiN-coated Si cavities were fabricated using nanosphere lithography (NSL). The lossy nature and high reflectivity of TiN in the long-wavelength range allow the Si–TiN PhC to achieve up to <span><math><mo>∼</mo></math></span>92% broadband optical emissivity (200 nm – cut-off wavelength) while minimizing heat radiation to <span><math><mo>∼</mo></math></span>27% in the long-wavelength range (5 – 10<span><math><mrow><mspace></mspace><mi>μ</mi><mi>m</mi></mrow></math></span>). More importantly, thanks to the isotropy of the NSL method based on oxygen plasma etching (OPE), different periods and radius of the Si–TiN PhC can be achieved by controlling the OPE time or the initial polystyrene sphere diameter. This enables precise control over the cut-off wavelength and emission spectrum to match various PV cells. The 2D Si–TiN PhC produced 3.13 times more power than a flat Si emitter. This approach provides a promising path forward for enhancing TPV system performance and practical applications.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113560"},"PeriodicalIF":6.3,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143631950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synergistic optimization analysis of droplet cleaning efficiency on photovoltaic surfaces through volume regulation and dust removal dynamic mechanism

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-17 DOI: 10.1016/j.solmat.2025.113570

Chengtao Yan , Dong Zhang , Luyuan Gong , Denghui Zhao , Zhuorui Li

{"title":"Synergistic optimization analysis of droplet cleaning efficiency on photovoltaic surfaces through volume regulation and dust removal dynamic mechanism","authors":"Chengtao Yan , Dong Zhang , Luyuan Gong , Denghui Zhao , Zhuorui Li","doi":"10.1016/j.solmat.2025.113570","DOIUrl":"10.1016/j.solmat.2025.113570","url":null,"abstract":"<div><div>Dust accumulation on photovoltaic (PV) modules can result in significant energy losses. While conventional cleaning methods require amounts of water, the application of droplets cleaning technology on superhydrophobic surfaces offers a more sustainable solution. Our study presents an investigation into the optimization of droplet cleaning efficiency on superhydrophobic PV glass by regulating droplet volume. The study explored the dynamics of droplet motion and critical dust carrying capacity, introduced a quantitative relationship between droplet volume and dust removal efficiency, systematically analyzed droplet dynamics and dust entrainment mechanism, and revealed three findings: (1) The dust carrying motion of the droplet exhibits two distinct motion stages, from accelerated linear motion to trailing state triggered by saturated dust capacity (4.8 mg, 5.9 mg, and 6.2 mg for 10, 30, 50 μL droplets). (2) Post trailing velocity declines sharply by 84.90 %, 53.66 %, and 41.81 % for 10, 30, 50 μL droplets. (3) A linear volume efficiency relationship is established, where 50 μL droplets achieve 28 % dust removal efficiency (14 mg capacity), with each 1 μL volume increment enhancing mass removal by 0.28 mg and efficiency by 6.25 %. Our research optimizes the self-cleaning technology of photovoltaic module. Research results are expected to further improve the cleaning efficiency and water saving advantages of the droplet cleaning method, which is essential for the sustainability of solar systems, especially in water-scarce regions.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113570"},"PeriodicalIF":6.3,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143642508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermal stability and corrosion characteristic analysis of low melting point ternary molten salt for thermal energy storage

IF 6.3 2区材料科学

Solar Energy Materials and Solar Cells Pub Date : 2025-03-16 DOI: 10.1016/j.solmat.2025.113587

Heya Na , Cancan Zhang , Yuting Wu , Guoqiang Wang , Guang Bao , Yuanwei Lu

{"title":"Thermal stability and corrosion characteristic analysis of low melting point ternary molten salt for thermal energy storage","authors":"Heya Na , Cancan Zhang , Yuting Wu , Guoqiang Wang , Guang Bao , Yuanwei Lu","doi":"10.1016/j.solmat.2025.113587","DOIUrl":"10.1016/j.solmat.2025.113587","url":null,"abstract":"<div><div>Molten salt is used as an important heat transfer and storage medium in thermal energy storage application. Thermal stability as well as corrosion characteristic are important for system safe operation. In this paper, a low melting point ternary hybrid salt was prepared and subjected to 1000h of constant temperature experiments and 1000h of static corrosion experiments on 304 at a high temperature of 600 °C. The results show that the low melting point mixed salt has a melting point of 143.1 °C, an initial crystal point of 136.1 °C, a decomposition temperature of 666.8 °C, and an average specific heat and thermal conductivity of 1.45 J g<sup>−1</sup>k<sup>−1</sup> and 0.34 W m<sup>−1</sup>K<sup>−1</sup>. After a constant temperature of 1000 h at 600 °C, the melting point and initial crystal point have increased by 38 % and 49 %, the decomposition temperature has decreased by 8 %, and the specific heat and thermal conductivity have increased by 0.7 % and 0.3 %, respectively, compared with the base salt. 0.3 %. The weight loss per unit volume after 1000h of static corrosion was 6.2 mg cm<sup>−2</sup> and the annual corrosion rate was 0.068 mm y<sup>−1</sup>.</div></div>","PeriodicalId":429,"journal":{"name":"Solar Energy Materials and Solar Cells","volume":"286 ","pages":"Article 113587"},"PeriodicalIF":6.3,"publicationDate":"2025-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143629148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0