Next Energy最新文献

{"title":"Evaluating engine durability and operational effects of biodiesel blends in heavy equipment applications","authors":"Uhanto Uhanto ,&nbsp;Erkata Yandri ,&nbsp;Erik Hilmi ,&nbsp;Rifki Saiful ,&nbsp;Ratna Ariati","doi":"10.1016/j.nxener.2025.100392","DOIUrl":"10.1016/j.nxener.2025.100392","url":null,"abstract":"<div><div>This research supports energy transition goals by assessing the viability of biodiesel as a reliable fuel in heavy industrial applications. Through real-time performance tracking and durability analysis, it contributes to optimizing energy use and operational sustainability in high demand environments. In recent years, the use of biodiesel as an alternative fuel has grown significantly, particularly in the transportation, mining, and construction sectors. However, its impact on engine durability and maintenance strategies still requires special attention. This study aims to evaluate the effect of biodiesel blends on engine durability and performance in heavy equipment. The findings provide a foundation for the development of future predictive strategies to optimize maintenance scheduling. The methods employed include an experimental approach using various biodiesel blend proportions (B5, B15, B35) to analyze engine performance on HD785-7 units and the necessary maintenance treatments. Biodiesel testing experiments were conducted on 3 HD785-7 units to evaluate their impact on engine durability. Unit A was monitored for up to 27,000 hours, unit B up to 36,000 hours, and unit C up to 40,000 hours, with each unit dismantled for subsequent analysis. Furthermore, predictive maintenance models can be developed to estimate engine durability based on usage patterns and biodiesel blends. The research results indicate that the gradual use of biodiesel from B5 to B15 and B35 can reduce CO₂ emissions by up to 17% compared to fossil fuels. Additionally, the findings show that heavy equipment operations do not significantly affect engine performance, and specific maintenance treatments can enhance engine lifespan. These findings provide valuable guidance for the more optimal utilization of biodiesel in heavy equipment applications.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100392"},"PeriodicalIF":0.0,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144831449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Redox-active organic molecule encapsulated MWCNT catholyte for aqueous zinc flow battery","authors":"Priyanka P. Bavdane ,&nbsp;Vidhiben Dave ,&nbsp;Sooraj Sreenath ,&nbsp;Pooja Madiyan ,&nbsp;Rajaram K. Nagarale","doi":"10.1016/j.nxener.2025.100379","DOIUrl":"10.1016/j.nxener.2025.100379","url":null,"abstract":"<div><div>Rechargeable zinc-ion batteries show great promise for sustainable energy storage applications. Halogen cathodes are conventionally deployed for zinc-based flow batteries. However, poor solubility of polyhalide complexes during battery operation results in poor Coulombic efficiency and short cycle life. Recent research has focused on discovering new cathode materials. In this study, we explore the use of redox-active organic molecules (ROM), 7,7,8,8-tetracyanoquinodimethane (TCNQ), hydroquinone (HQ), and 2,2,6,6-tetramethylpiperidinyloxy (TEMPO) thermally encapsulated within multiwalled carbon nanotubes (MWCNT) as effective cathode materials for zinc flow battery. The encapsulation of redox-active molecules into MWCNT, that is, TCNQ@MWCNT, HQ@MWCNT, and TEMPO@MWCNT was confirmed through detailed spectroscopic and microscopic characterization. The electrochemical activity of materials was analyzed by cyclic voltammetry experiments. Three batteries were assembled; the anolyte solution contained aqueous zinc salt, while 5.0% dispersion of TCNQ@MWCNT/HQ@MWCNT/TEMPO@MWCNT in aqueous supporting electrolyte served as catholyte. Remarkably, all the assembled batteries demonstrated exceptional cycling stability and high Coulombic efficiencies at an applied current density of 1 mA cm⁻². The assembled batteries also achieved ∼90.0% capacity utilization of the theoretical capacity, which was 233.0, 225.2, and 129.4 mAh g⁻¹ for Zn/TCNQ@MWCNT, Zn/HQ@MWCNT, and Zn/TEMPO@MWCNT batteries, respectively. The availability of the materials used, along with the absence of hazardous, flammable, or volatile organic electrolytes, positions this approach as a superior choice for catholyte applications in zinc flow batteries (ZFBs).</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100379"},"PeriodicalIF":0.0,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144749172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimizing diesel engine heterogeneous combustion performance and NOx emissions: A next energy perspective with AI","authors":"Aditya Kolakoti","doi":"10.1016/j.nxener.2025.100383","DOIUrl":"10.1016/j.nxener.2025.100383","url":null,"abstract":"<div><div>This study investigates experimental and artificial intelligence-based predictions of heterogeneous combustion performance in a diesel engine fueled with neat biodiesel. The combustion aspects, including cylinder pressures, heat energy developed and released, mass burnt fractions (MBF), mean gas temperatures (MGT), and the influence of combustion temperatures on NOx formation, are examined experimentally. The combustion results are trained in a feed-forward artificial neural network (ANN) algorithm for the predictions, and an error histogram with 20 bins helps identify the accuracy of the trained model. The prediction results of combustion parameters are recorded quite accurately for most instances, as the errors are centered around 0. The overall accuracy of the trained model is achieved with a high correlation coefficient (R = 0.99) and a low mean square error (MSE). In addition, the influence of combustion temperature on NO_x emissions is highlighted, and a correlation is developed with errors of 2.22% and 1.96% at 75% and 100% loads, respectively. Finally, biodiesel exhibits controlled diffusion combustion, achieving more sustained combustion, with 6.19% and 6.18% lower NO_x formation compared to diesel fuel at 75% and 100% loads.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100383"},"PeriodicalIF":0.0,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144737989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"β-Guanidinopropionic acid as the secondary components in the co-assembly strategy for inverted perovskite solar cells","authors":"Yinfeng Zhang ,&nbsp;Xinyi Wu ,&nbsp;Wenjing Peng ,&nbsp;Mei Lyu ,&nbsp;Jun Zhu","doi":"10.1016/j.nxener.2025.100381","DOIUrl":"10.1016/j.nxener.2025.100381","url":null,"abstract":"<div><div>Amphiphilic self-assembled molecules (SAMs) that incorporate carbazole core and phosphonic acid have demonstrated significant potential for enhancing the power conversion efficiency (PCE) and stability of inverted perovskite solar cells (PSCs). However, SAMs can easily form micelles in alcohol solvents, leading to deposition on rough substrates as clusters. This clustering results in voids within the SAM layer, enabling direct contact between the perovskite active layer and the electrode, which severely undermines the efficiency and stability of the PSCs. Thus, creating a dense and uniform monolayer plays a key role in improving the performance of inverted PSCs. Here, a co-assembled monolayer (Co-SAM) was fabricated using a one-step deposition process, wherein β-guanidinopropionic acid (β-GUA) was incorporated into [2-(3,6-dimethoxy-9H-carbazol-9-yl)ethyl]phosphonic acid (MeO-2PACz). On the one hand, the co-assembly strategy facilitated the formation of high-quality, uniformly distributed Co-SAM. On the other hand, the guanidine group, serving as a functional head group, provides multiple passivation effects at the buried interface of the perovskite and improves the surface morphology of the perovskite films. Consequently, the Co-SAM-treated PSC achieved a champion PCE of 23.20%, with a satisfactory filling factor (FF) of 86.27%. This work offers an insight into the design of small molecule structures for the secondary SAM components in the Co-SAM strategy.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100381"},"PeriodicalIF":0.0,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144749171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing gamma-ray shielding effectiveness in CuZnAl alloys: A comparative study","authors":"Waheed Abdi Sheekhoo ,&nbsp;Karam Myasar Abdulazeez","doi":"10.1016/j.nxener.2025.100374","DOIUrl":"10.1016/j.nxener.2025.100374","url":null,"abstract":"<div><div>This study investigated CuZnAl alloys as environmentally friendly alternatives to lead for gamma-ray shielding in medical and industrial applications. Seven alloys (A1–A7) were fabricated via arc melting and assessed using the XCOM and EPICS2017 software. Key shielding parameters, including the linear attenuation coefficient (LAC), half-value layer (HVL), and lead equivalent thickness (LET), were determined, and the software deviations were consistently less than 1%. Alloy A1 (80% Cu, 10% Zn, 10% Al) exhibited an LAC of 1.15E+01 cm⁻¹ and an HVL of 6.03E−02 cm at 0.0595 MeV. At 1.5281 MeV, a 5 cm thickness of A1 provides equivalent gamma-ray attenuation to 2.83 cm of lead. Increasing the aluminium content lowers Z_eff but raises N_eff, creating a trade-off in which alloys with higher Z_eff values are better for low-energy gamma shielding, and alloys with higher N_eff values perform better at higher energies. These findings indicate that CuZnAl alloys, particularly A1, offer promising lead-free gamma-ray shielding, addressing environmental and health concerns. This study provides valuable data for the development of advanced radiation protection materials.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100374"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Designing and constructing a solar thermal water desalination system: Evaluating the role of thermoelectric in enhancing evaporation and condensation process","authors":"Hamidreza Hasanzadeh ,&nbsp;SeyedAli Mohammadi ,&nbsp;Mohammad Behshad Shafii ,&nbsp;Maryam Daneshvar","doi":"10.1016/j.nxener.2025.100388","DOIUrl":"10.1016/j.nxener.2025.100388","url":null,"abstract":"<div><div>This study presents the design and experimental evaluation of a solar thermal water desalination system enhanced with thermoelectric (TE) modules to improve both evaporation and condensation efficiency. A baseline passive system using only solar energy was constructed and tested under real environmental conditions. To address limitations in solar availability and enhance performance, thermoelectric modules were integrated in two configurations: (1) using only the hot side to support evaporation, and (2) utilizing both the hot and cold sides to simultaneously enhance evaporation and facilitate condensation. Five operational scenarios were tested—both under sunlight and in its absence—to isolate the individual and combined effects of solar heating and thermoelectric assistance. Results show that using only the TE hot side increased freshwater production by 41.56%, while simultaneous use of both sides improved production by 89.04% compared to the passive setup. The highest freshwater yield (14.11 L/m²·day) occurred when both solar and thermoelectric effects were utilized, and the highest thermodynamic efficiency (92.2%) was achieved under TE-only operation indoors. Energy balance analysis confirmed that vapor removal through cold-side condensation is a critical factor in maximizing overall efficiency. Unlike previous studies focused on electricity generation or complex materials, this work uses commercially available, low-cost components and provides a quantitative separation of thermoelectric contributions to evaporation and condensation. The findings demonstrate that effective thermal integration of TE modules can significantly improve freshwater output and system reliability, offering a practical solution for decentralized water production in off-grid or resource-limited areas.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100388"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microwave torrefaction of biomass waste: Fuel property evaluation and life cycle impact","authors":"Congyu Zhang,&nbsp;Jiaqi Ma,&nbsp;Yuting Wang,&nbsp;Kuifeng Hao","doi":"10.1016/j.nxener.2025.100380","DOIUrl":"10.1016/j.nxener.2025.100380","url":null,"abstract":"<div><div>The investigation of microwave torrefaction for solid biofuel production is significant for biomass waste conversion and environmental sustainability. In this study, a comprehensive analysis of microwave torrefied biochar fuel property and life cycle assessment is employed. The Chinese medicine residue is selected as the feedstock for biochar preparation, and its fuel property and environmental impact are evaluated. The obtained results suggest that with the increasing torrefaction severity, the fuel performance gradually becomes better. Concerning the proximate analysis, the values of volatile matter, fixed carbon, moisture, and ash content are 57.93–81.23%, 13.77–35.59%, 1.65–2.36%, 2.64–4.83%, respectively. A severer torrefaction condition would arise a better decarbonization and deoxygenation effect. Good linear relationships are obtained between torrefaction severity index (TSI) and carbonization index and TSI and deoxygenation index, with the correlation coefficient of 0.8683 and 0.8600. The life cycle assessment (LCA) result indicates that microwave torrefaction process would arise the environmental impact on greenhouse gas (GHG) emission, human toxicity, ionizing radiation, land use, and water environment pollution. Specifically, over 20% improvement in heating value and reduction in GHG emissions are achieved via microwave torrefaction process. However, lab-scale microwave torrefaction (10 g/batch) with gate-to-gate LCA shows 20% GHG reduction but excludes full-scale impacts. Totally, the obtained results are helpful for the cognition of fuel property variation and environmental impact of the Chinese medicine residue conversion and solid biofuel production, and thus for better waste-to-energy process to achieve biowastes valorization.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100380"},"PeriodicalIF":0.0,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of binder on the electrochemical, mechanical, and thermal properties of hard carbon anodes in Na-ion batteries","authors":"Grigorii P. Lakienko ,&nbsp;Zoya V. Bobyleva ,&nbsp;Ekaterina Yu. Korneeva ,&nbsp;Aleksandr V. Babkin ,&nbsp;Oleg A. Drozhzhin ,&nbsp;Lada V. Yashina ,&nbsp;Evgeny V. Antipov","doi":"10.1016/j.nxener.2025.100373","DOIUrl":"10.1016/j.nxener.2025.100373","url":null,"abstract":"<div><div>A polymer binder is one of the critical components of metal-ion battery electrodes, and the choice of the appropriate polymer should be based on a comprehensive analysis of several key factors. In this study, for the first time, we compared the thermal, electrochemical, and mechanical stability of hard carbon (HC) electrodes depending on the binder used: polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN), sodium carboxymethylcellulose (CMC), styrene-butadiene rubber (SBR), or sodium alginate (Alg). Thermal stability studies using differential scanning calorimetry (DSC) demonstrated that during thermal decomposition, all electrodes in the charged state release more heat than charged HC powder. The corresponding increase in enthalpy depends on the thermal stability of the polymer itself. Among the binders tested, the CMC/SBR combination seems to be the most promising for practical applications in electrodes, as it provides good cyclability, strong adhesion, and a relatively low thermal effect.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"9 ","pages":"Article 100373"},"PeriodicalIF":0.0,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144711037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Performance analysis of butanol-diesel blends in internal combustion engines as pathway to bioenergy integration toward sustainability goals","authors":"Shobhit Khanna,&nbsp;Anshul Gangele","doi":"10.1016/j.nxener.2025.100376","DOIUrl":"10.1016/j.nxener.2025.100376","url":null,"abstract":"<div><div>The growing depletion of fossil fuel reserves and the pressing need to reduce greenhouse gas emissions call for sustainable alternatives for internal combustion (IC) engines. While first-generation biofuels like ethanol and biodiesel are well researched, higher alcohols such as butanol—especially from third-generation biomass—remain relatively unexplored. This study examines the performance, combustion, and emission characteristics of butanol-diesel blends (B10–B40) in a single-cylinder compression ignition (CI) engine across variable operating conditions. A particular focus is placed on evaluating the influence of injection pressure (200–260 bar) and timing (20°–26° bTDC) to identify optimal parameters for cleaner combustion. Experimental trials were conducted on a 4.4 kW, 1500 rpm engine, with B20 selected for detailed parametric analysis. Key performance indicators, including brake thermal efficiency (BTE), mechanical and volumetric efficiency, along with oxide of nitrogen (NOₓ), smoke, and unburned hydrocarbon (HC) emissions, were measured. Results showed a slight reduction in BTE with increased butanol concentration due to its lower calorific value. However, B20 offered an ideal compromise, achieving reductions in NOₓ (up to 32%), smoke (77%), and HC emissions (35%). Combustion analysis further revealed higher peak cylinder pressure and heat release rates for B20, with ignition delay and combustion duration influenced by both blend ratio and injection settings. This study highlights B20 butanol-diesel blends as a promising, cleaner-burning fuel that requires no significant engine modifications. By utilizing butanol from third-generation biomass, it aligns with global goals for renewable energy and carbon neutrality in transportation.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100376"},"PeriodicalIF":0.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144704398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A review of the synthetic transport fuels as a solution for carbon neutrality","authors":"Rodica Niculescu ,&nbsp;Adrian Clenci ,&nbsp;Alireza Shirneshan ,&nbsp;Mihaela Năstase","doi":"10.1016/j.nxener.2025.100355","DOIUrl":"10.1016/j.nxener.2025.100355","url":null,"abstract":"<div><div>In the current context in which greenhouse gas (GHG) emissions, global warming, and poor energy security are paramount, finding new sources of sustainable, renewable energy has become a top priority. The transportation sector is accountable for a significant percentage of GHG emissions. Therefore, the decarbonization of transport is a priority.</div><div>Today, the significance of energy in economics and politics is undeniable. As a result, the production of alternative fuels is not merely an option but a necessity. The objective of this review is to outline the findings of recent studies regarding potential methods for attaining carbon neutrality in the transportation sector through the utilization of synthetic fuels. This review presents the potential of combining fossil fuel sources with carbon capture and storage technologies to reduce the greenhouse effect. The main CO₂ capture technologies, such as post-combustion, pre-combustion, oxyfuel combustion, and direct air capture (DAC), were also explained. The review also discusses ways of using the captured CO₂ to obtain value-added products, including fuels, through various approaches like electrochemical, thermal, biochemical, chemo-enzymatic, and photocatalytic methods. However, the review highlights that catalysts are an area where research must continue intensively in the future. Furthermore, the review evaluates the combustion characteristics, performance, and emissions of engines fueled with synthetic fuels, such as Fischer-Tropsch diesel and oxymethylene dimethyl ethers (OMEx), in comparison to fossil diesel fuel. The challenges related to the production cost estimation of these synthetic fuels are also presented, as they involve economic uncertainties and a large number of parameters. The review also discusses the life cycle analysis of synthetic fuels produced from CO₂, considering the sources and processes for obtaining hydrogen and CO₂, their transport and storage, the production processes of synthetic fuels, and their transport and use. In addition, the review addresses the barriers and opportunities for the commercial deployment of synthetic transport fuels and the policy implications, as well as presenting several companies around the world that have begun to develop ambitious synthetic fuel manufacturing projects as an alternative to fossil fuels. Finally, the review presents the challenges and perspectives of synthetic transport fuels as a solution for carbon neutrality.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"8 ","pages":"Article 100355"},"PeriodicalIF":0.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144571140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}