Renewable and Sustainable Energy Reviews最新文献_第3页

A critical review of effects, action mechanisms and mitigation strategies of salinity in anaerobic digestion 厌氧消化过程中盐分的影响、作用机制和缓解策略评述

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-11-08 DOI: 10.1016/j.rser.2024.115095

Wangyang Mei, Lili Li, Qingliang Zhao, Xinwen Li, Zhaoxia Wang, Qingwei Gao, Liangliang Wei, Kun Wang, Junqiu Jiang

Salinity stress affects the anaerobic digestion (AD) process and reduces methane production in most cases. This review described the occurrence and impacts of salinity from common substrates (e.g., food waste, organic wastewater and algae) in AD process, and elucidated the mechanisms by which salinity affects AD from the perspectives of microbial community, key genes and enzymes. Salinity in AD comes mainly from chemical additives in the substrate (e.g., salt in food waste) or from the substrate itself (e.g., saline algae). Low salinity can promote methane production, as appropriate Na⁺ concentrations can promote ATP synthesis and NADH oxidation, thus facilitating microbial metabolism. High salinity leads to lysis of salt-intolerant microbes, altering the microbial community and inactivating key enzymes, thereby blocking methanogenesis. Microbes can adopt “salt-in” and “compatible solute” strategies to resist salt stress. In addition, quorum sensing is also considered as a potential defense mechanism. Inspired by these cell survival mechanisms, the disinhibition strategies were elaborated from three aspects, namely front optimization (pretreatment, co-digestion, inoculum acclimation, dilution), process optimization (addition of osmoprotectants, potassium, conductive materials and other additives), and system optimization (bioelectrochemical enhancement). This review provides guidance for further studies on developing suitable mitigation strategies to enhance methane production under different salinity stress conditions.

在大多数情况下，盐胁迫会影响厌氧消化（AD）过程并降低甲烷产量。这篇综述描述了厌氧消化过程中常见基质（如厨余、有机废水和藻类）盐分的发生和影响，并从微生物群落、关键基因和酶的角度阐明了盐分影响厌氧消化的机制。厌氧消化（AD）过程中的盐度主要来自基质中的化学添加剂（如厨余中的盐）或基质本身（如含盐藻类）。低盐度可促进甲烷的产生，因为适当的 Na+ 浓度可促进 ATP 合成和 NADH 氧化，从而促进微生物的新陈代谢。高盐度会导致不耐盐碱的微生物溶解，改变微生物群落，使关键酶失活，从而阻碍甲烷生成。微生物可以采取 "盐入 "和 "兼容溶质 "策略来抵抗盐胁迫。此外，法定量感应也被认为是一种潜在的防御机制。受这些细胞生存机制的启发，我们从前沿优化（预处理、共消化、接种物适应、稀释）、过程优化（添加渗透保护剂、钾、导电材料和其他添加剂）和系统优化（生物电化学增强）三个方面阐述了抑制策略。本综述为进一步研究制定合适的缓解策略提供了指导，以提高不同盐度胁迫条件下的甲烷产量。

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引用次数: 0

Village-level emission inventory of residential coal combustion and reduction analysis: A case study of Liaoning Province, China 村级居民燃煤排放清单及减排分析：中国辽宁省案例研究

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-11-08 DOI: 10.1016/j.rser.2024.115046

Huan You , Na Li , Cheng-kang Gao , Chang Liu , Zong-jiao Chen , Lu Bai , Yang Li

In Northeast China, rural areas are important entities of residential coal control policies. However, due to the availability of data, the residential coal emission inventory in Liaoning Province has not yet been established. To fill the gap, based on the survey data of all villages in Liaoning Province, a village-level emission inventory of SO₂, CO, NO_X, VOCs, and PM in 2020 was compiled. Based on these data, three scenarios were set up to analyze the effect of emission reduction. The results indicated that residential coal consumption was 6.8684 Mt, with bituminous coal accounting for 85 %, mainly in rural areas. The emissions of SO₂, CO, NO_X, VOCs and PM from residential coal combustion were 7551 t, 1,557,801 t, 27,215 t, 13,604 t, and 26,570 t. Among them, the eco-friendly stoves provided the most emission reduction in terms of CO (30.47 %) and PM (9.98 %) pollutant emissions. Coal-fired heating was temporally concentrated in November to December and January to March in 2020, with a total share of 85.82 % in those months. Pollutant emissions were spatially concentrated in the cities of Liaoyang, Anshan, Yingkou, Huludao, Chaoyang, Benxi and Fuxin. Among the three scenarios, the scenario of “Total substitution + increasing share of renewable energy” had the best emission reduction effect. These results can provide accurate data for air quality models and provide scientific support for pollution control strategies in Liaoning Province.

在中国东北地区，农村地区是居民燃煤控制政策的重要实施主体。然而，由于数据的可获得性，辽宁省的居民燃煤排放清单尚未建立。为填补这一空白，基于辽宁省所有村庄的调查数据，编制了 2020 年村级二氧化硫、一氧化碳、氮氧化物、挥发性有机物和可吸入颗粒物排放清单。根据这些数据，设定了三种情景来分析减排效果。结果表明，居民煤炭消费量为 686.84 万吨，其中烟煤占 85%，主要集中在农村地区。其中，环保炉具的 CO（30.47%）和 PM（9.98%）污染物减排量最大。2020 年燃煤供暖在时间上主要集中在 11 月至 12 月和 1 月至 3 月，这两个月份的总份额为 85.82%。污染物排放在空间上集中在辽阳、鞍山、营口、葫芦岛、朝阳、本溪和阜新市。在三种方案中，"全替代+增加可再生能源比例 "方案的减排效果最好。这些结果可为空气质量模型提供准确数据，为辽宁省的污染控制策略提供科学支持。

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引用次数: 0

Policy uncertainty, public perception, and the preferences for rooftop solar power systems: A choice experiment study in Vietnam 政策的不确定性、公众认知以及对屋顶太阳能发电系统的偏好：越南选择实验研究

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-11-08 DOI: 10.1016/j.rser.2024.115067

Pham Ngoc Tham , Truong Dang Thuy , Pham Khanh Nam , Elissaios Papyrakis

The engagement of households as investors in residential solar power distinctively contributes to decarbonizing electricity industry and achieving net-zero emission targets. However, the rapid expansion of rooftop solar power, followed by the phase-out of feed-in tariff, has stagnated investment in residential solar power technology. To enhance understanding of preferences and willingness to invest in solar power systems under unpredictable policy conditions in developing countries, this study collects and analyzes household data from Vietnam concerning both stand-alone and battery-paired systems. The results from this discrete choice experiment highlight that: (1) the feed-in tariff for rooftop solar power significantly impacts on the Vietnamese households' preference for solar power system; (2) households lose interest in the stand-alone system but remain willing to invest in a low-capacity PV-battery system when the feed-in tariff phases down; and (3) environmental concern, perceived information about solar energy, household size and respondents' marital status significantly influence the households’ preferences for solar power systems. The findings suggest that affordable energy storage batteries under the self-consumption scheme are essential to promote the uptake of solar power system within the context of limited financial resource of developing economies. Additionally, efficient and transparent process for the approval of grid connections is critical to improve public awareness and support for residential solar power in Vietnam.

家庭作为投资者参与住宅太阳能发电，对电力行业的去碳化和实现净零排放目标做出了显著贡献。然而，屋顶太阳能发电的快速扩张，以及随后上网电价的逐步取消，使得住宅太阳能发电技术的投资停滞不前。为了加深对发展中国家在不可预测的政策条件下投资太阳能发电系统的偏好和意愿的理解，本研究收集并分析了越南有关独立系统和电池配对系统的家庭数据。离散选择实验的结果表明(1) 屋顶太阳能发电的上网电价对越南家庭对太阳能发电系统的偏好有显著影响；(2) 当上网电价逐步下调时，家庭对独立系统失去兴趣，但仍愿意投资低容量的光伏电池系统；(3) 对环境的关注、对太阳能信息的感知、家庭规模和受访者的婚姻状况对家庭对太阳能发电系统的偏好有显著影响。研究结果表明，在发展中经济体财政资源有限的情况下，自我消费计划下价格合理的储能电池对于促进太阳能发电系统的普及至关重要。此外，高效透明的并网审批流程对于提高越南公众对住宅太阳能发电的认识和支持至关重要。

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引用次数: 0

Analysis and optimization of solid oxide fuel cell system with anode and cathode off gas recirculation 阳极和阴极废气再循环固体氧化物燃料电池系统的分析与优化

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-11-08 DOI: 10.1016/j.rser.2024.115015

Xinyi Wei , Shivom Sharma , Jan Van herle , François Maréchal

Solid oxide fuel cell technology shows great potential in generating electricity. However, insufficient steam in the stack can result in carbon deposition, accelerating cell degradation over prolonged operation. To prevent this, ensuring an adequate supply of external water is necessary, yet resulting in a larger external water purification unit and a greater need for heat for water evaporation. Anode-off gas, which comprises unreacted fuel, steam and CO

_{2}

from the stack, can be strategically recirculated to the external reformer inlet, preventing carbon deposition in the reformer and stack. Further, solid oxide fuel cell system offers the potential to supply high-temperature heat to industrial applications, embodying the concept of combined heat and power plants. To maximize heat availability, cathode-off gas can partially be blended with the fresh air entering the stack. Various anode-off gas and cathode-off gas recirculation configurations are possible, and they have to be systematically analysed and compared. This study models all possible system configurations using different types of anode-off gas (no, cold, warm, hot) and cathode-off gas (no, warm, hot) recirculations. Multi-objective optimization has been conducted, and system performance has been analysed and compared using electrical efficiency, freshwater consumption, thermal efficiency, design complexity, heat availability and heat valorization potential. Further, an in-depth analysis of the impact of decision variables on the objective functions has been performed for different system configurations. These valuable insights serve as a guide to engineers and decision-makers, enabling informed decisions for solid oxide fuel cell system design.

固体氧化物燃料电池技术在发电方面具有巨大潜力。然而，烟囱中的蒸汽不足会导致碳沉积，在长期运行过程中加速电池降解。为了避免这种情况，必须确保外部有足够的水供应，但这会导致外部水净化装置的增大和水蒸发对热量的更大需求。阳极废气包括未反应的燃料、蒸汽和来自烟囱的二氧化碳，可以有计划地再循环到外部重整器入口，防止碳沉积在重整器和烟囱中。此外，固体氧化物燃料电池系统还可为工业应用提供高温热能，体现了热电联产的概念。为了最大限度地提供热量，阴极废气可与进入烟囱的新鲜空气部分混合。各种阳极废气和阴极废气再循环配置都是可能的，必须对它们进行系统分析和比较。本研究使用不同类型的阳极废气（无、冷、暖、热）和阴极废气（无、暖、热）再循环，对所有可能的系统配置进行建模。研究进行了多目标优化，并利用电能效率、淡水消耗、热能效率、设计复杂性、热能利用率和热能增值潜力对系统性能进行了分析和比较。此外，还针对不同的系统配置，深入分析了决策变量对目标函数的影响。这些宝贵的见解为工程师和决策者提供了指导，使他们能够在固体氧化物燃料电池系统设计方面做出明智的决策。

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引用次数: 0

Advancing technology assessment in energy transitions: A semi-systematic literature review 推进能源转型中的技术评估：半系统文献综述

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-11-08 DOI: 10.1016/j.rser.2024.115060

J.K. Musango

Technology assessment is evolving and becoming more relevant in evaluating energy transitions. Climate change, energy security, energy justice and sustainability challenges dominate energy transition debates. As technology continues to advance, improving methods to assess energy transitions is crucial. However, limited studies explore assessment methods applicable to energy transitions. This study reviews the literature on energy technology assessment using a semi-systematic review, to understand the state of technology assessment methods and identify areas for improving the assessment practices. The study organised the review into five themes: characteristics of technology assessments, energy transition technologies assessed, the purpose of assessment, methods and tools applied, and emerging issues and their implications. The results revealed that conventional technology assessment methods still dominate in the literature. At the same time, six assessment methods are emerging. These are technology acceptance analysis, hybrid analysis, institutional analysis, visioning analysis, integrated assessment and ethical analysis. The study posits three areas for improvement. First, technology assessment can advance transdisciplinary practice and theory. Second, it can develop comprehensive assessments. Third, it can foster sustainability as a foundation for assessing energy transitions.

技术评估在评估能源转型方面不断发展，并变得越来越重要。气候变化、能源安全、能源公正和可持续性挑战主导着能源转型辩论。随着技术的不断进步，改进能源转型评估方法至关重要。然而，探索适用于能源转型的评估方法的研究还很有限。本研究采用半系统回顾的方式，对能源技术评估方面的文献进行了回顾，以了解技术评估方法的现状，并确定改进评估实践的领域。研究将综述分为五个主题：技术评估的特点、评估的能源转型技术、评估的目的、应用的方法和工具以及新出现的问题及其影响。研究结果显示，传统技术评估方法在文献中仍占主导地位。与此同时，六种评估方法正在兴起。它们是技术接受度分析、混合分析、机构分析、愿景分析、综合评估和伦理分析。研究提出了三个需要改进的方面。首先，技术评估可以推动跨学科实践和理论的发展。第二，技术评估可以发展综合评估。第三，技术评估可以促进可持续性，将其作为评估能源转型的基础。

{"title":"Advancing technology assessment in energy transitions: A semi-systematic literature review","authors":"J.K. Musango","doi":"10.1016/j.rser.2024.115060","DOIUrl":"10.1016/j.rser.2024.115060","url":null,"abstract":"<div><div>Technology assessment is evolving and becoming more relevant in evaluating energy transitions. Climate change, energy security, energy justice and sustainability challenges dominate energy transition debates. As technology continues to advance, improving methods to assess energy transitions is crucial. However, limited studies explore assessment methods applicable to energy transitions. This study reviews the literature on energy technology assessment using a semi-systematic review, to understand the state of technology assessment methods and identify areas for improving the assessment practices. The study organised the review into five themes: characteristics of technology assessments, energy transition technologies assessed, the purpose of assessment, methods and tools applied, and emerging issues and their implications. The results revealed that conventional technology assessment methods still dominate in the literature. At the same time, six assessment methods are emerging. These are technology acceptance analysis, hybrid analysis, institutional analysis, visioning analysis, integrated assessment and ethical analysis. The study posits three areas for improvement. First, technology assessment can advance transdisciplinary practice and theory. Second, it can develop comprehensive assessments. Third, it can foster sustainability as a foundation for assessing energy transitions.</div></div>","PeriodicalId":418,"journal":{"name":"Renewable and Sustainable Energy Reviews","volume":"208 ","pages":"Article 115060"},"PeriodicalIF":16.3,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142651335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Operational flexibility nuclear generation in South Korea: A comprehensive impact analysis 韩国核发电的运行灵活性：综合影响分析

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-11-07 DOI: 10.1016/j.rser.2024.115055

Jongin Kim , Hojin Jo , Jaehyeong Lee , Sungyoon Song , Gilsoo Jang

Korea is striving to expand renewable energy capacity across the country. However, in response to various challenges, the Korean government has revised the existing strategy to incorporate other carbon-free energy sources, including nuclear power, to advance the energy transition. Nuclear power plants currently operate as baseload units owing to reliability and economic consideration, but flexible operation is becoming necessary to support the growing integration of renewable energy. This study examines the transition of Korea's nuclear power plants from baseload to flexible operation. Based on Korea's electricity supply and demand framework plans, this study assesses the effects of flexible nuclear operations on annual renewable energy output curtailment and fuel costs for 2030 and 2036 through power market simulations. Additionally, grid stability implications are evaluated using a power system simulator. The findings show that flexible nuclear plant operations can help mitigate output limitations and improve grid stability by providing flexibility and reserves. However, the provision of reserves from nuclear power plants incurs increased fuel costs due to the additional consumption of fossil fuels. While the flexibility of nuclear power contributes positively to carbon neutrality by increasing renewable capacity and improving grid reliability, increasing the flexibility of nuclear power plants may inadvertently increase the reliance on fossil fuel. This tendency, in turn, could increase overall fuel costs and carbon emissions, posing a challenge to achieving carbon neutrality.

韩国正在努力扩大全国的可再生能源能力。然而，为了应对各种挑战，韩国政府已经修订了现有战略，将包括核电在内的其他无碳能源纳入其中，以推进能源转型。出于可靠性和经济性的考虑，核电站目前作为基荷机组运行，但为了支持日益增长的可再生能源的整合，灵活的运行方式变得十分必要。本研究探讨了韩国核电站从基荷运行向灵活运行的过渡。根据韩国的电力供需框架计划，本研究通过电力市场模拟，评估了 2030 年和 2036 年核电灵活运行对可再生能源年发电量削减和燃料成本的影响。此外，还使用电力系统模拟器评估了对电网稳定性的影响。研究结果表明，灵活的核电厂运营有助于缓解输出限制，并通过提供灵活性和储备来提高电网稳定性。然而，由于额外消耗化石燃料，核电厂提供储备会增加燃料成本。虽然核电的灵活性通过增加可再生能源容量和提高电网可靠性对碳中和做出了积极贡献，但提高核电厂的灵活性可能会无意中增加对化石燃料的依赖。这种趋势反过来又会增加总体燃料成本和碳排放量，对实现碳中和构成挑战。

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引用次数: 0

Tackling clean energy transition challenge in developing rural areas: Does college-educated village official matter? 应对发展中农村地区清洁能源转型的挑战：受过高等教育的村官重要吗？

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-10-18 DOI: 10.1016/j.rser.2024.114990

Andi Cao, Lili Guo, Houjian Li

Many developing countries are prioritizing the transition to clean energy in rural areas but research on the causal relationship between college-educated village officials and rural clean energy accessibility is still in its infancy. This research uses administrative village samples from the national agriculture census in China to estimate the effect of college-educated village officials on clean energy accessibility. Results show that college-educated officials significantly increase the opportunity for villages to access natural gas and raise the natural gas access rate within villages. Heterogeneity analysis suggests that college-educated village officials greatly improve clean energy accessibility in villages in the developed eastern region as well as in the plains. The positive effect of college-educated village officials on clean energy accessibility is strengthened as the level of village organization rises, while the positive effect is weakened as the village area increases. Additionally, the greatest positive influence of college-educated officials on clean energy accessibility is the greatest when the percentage of college-educated officials among village cadres is 4 %. Furthermore, college-educated officials play a more significant role in enhancing clean energy accessibility in villages that are less inclined to have college-educated officials. Finally, this research confirms that college-educated officials increase accessibility to clean energy in three paths: developing the catering industry, promoting rural commercialization, and improving the village collective economy. These findings provide policy-making with some meaningful enlightenment about alleviating energy poverty in rural areas.

许多发展中国家都将农村地区向清洁能源过渡作为优先事项，但关于受过高等教育的村官与农村清洁能源可及性之间因果关系的研究仍处于起步阶段。本研究利用中国全国农业普查的行政村样本，估算了大学生村官对清洁能源可及性的影响。结果表明，受过高等教育的村官能显著增加村庄获得天然气的机会，并提高村庄内的天然气普及率。异质性分析表明，在东部发达地区和平原地区，大学生村官极大地改善了村庄的清洁能源可及性。随着村级组织程度的提高，大学生村官对清洁能源普及率的积极影响增强，而随着村庄面积的增加，积极影响减弱。此外，当大学生村官在村干部中所占比例为 4%时，大学生村官对清洁能源可及性的积极影响最大。此外，在大学生村官比例较低的村庄，大学生村官对提高清洁能源可及性的作用更为显著。最后，本研究证实，大学生村官在发展餐饮业、促进农村商业化和改善村集体经济三个方面提高了清洁能源的可及性。这些研究结果为政策制定提供了一些有意义的启示，有助于缓解农村地区的能源贫困问题。

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引用次数: 0

Immersion liquid cooling for electronics: Materials, systems, applications and prospects 电子设备的浸入式液体冷却：材料、系统、应用和前景

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-10-18 DOI: 10.1016/j.rser.2024.114989

Chengbin Zhang , Huijuan Wang , Yongping Huang , Liangliang Zhang , Yongping Chen

The significant increase in the energy consumption of electronic devices has made its efficient thermal management a key breakthrough direction for energy conservation and emission reduction. Immersion cooling technology has the merits of efficient heat transport, low noise, and even thermal control, making it highly promising for the thermal management of high heat flux electronic devices. The current work systematically reviews the research progress on immersion cooling technology in electronic device thermal management, including the properties of immersion coolants, liquid-cooled structures, immersion cooling enhancement, and current engineering applications. This literature review reveals that immersion cooling technology can effectively improve the temperature control level, energy efficiency, stability, and lifespan of electronic devices. However, the high cost, safety hazards, and inherent defects of current immersion coolants restrict their large-scale application. Future research should focus on developing efficient, environmentally friendly, and low-cost alternatives and establishing a unified screening mechanism for immersion coolants. Additionally, the current immersion cooling system design focuses mainly on single/two-phase immersion cooling with relatively simple configurations, and further development is needed in the structural design optimization and inherent heat transfer enhancement mechanism of jet impingement immersion cooling. Moreover, adequate attention should be given to control strategies, safety and reliability evaluation, and long-term maintenance methods for immersion cooling systems, to further promote the commercial application of immersion cooling in electronic device thermal management.

电子设备能耗的大幅增加使其高效热管理成为节能减排的重点突破方向。浸入式冷却技术具有热传输效率高、噪音低、热控制均匀等优点，因此在高热流量电子器件的热管理方面大有可为。本研究系统回顾了浸入式冷却技术在电子设备热管理方面的研究进展，包括浸入式冷却剂的特性、液冷结构、浸入式冷却增强技术以及当前的工程应用。文献综述显示，浸没冷却技术能有效提高电子设备的温度控制水平、能效、稳定性和寿命。然而，目前浸入式冷却剂的高成本、安全隐患和固有缺陷限制了其大规模应用。未来的研究应侧重于开发高效、环保和低成本的替代品，并建立统一的浸入式冷却剂筛选机制。此外，目前的浸入式冷却系统设计主要集中在配置相对简单的单相/双相浸入式冷却，在喷射撞击浸入式冷却的结构设计优化和内在传热增强机制方面还需要进一步发展。此外，还应充分关注浸入式冷却系统的控制策略、安全性和可靠性评估以及长期维护方法，以进一步推动浸入式冷却在电子设备热管理中的商业应用。

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引用次数: 0

A systematic review of modelling methods for studying the integration of hydrogen into energy systems 对研究氢气融入能源系统的建模方法进行系统审查

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-10-16 DOI: 10.1016/j.rser.2024.114964

Tong Zhang , Meysam Qadrdan , Jianzhong Wu , Benoit Couraud , Martin Stringer , Sara Walker , Adam Hawkes , Adib Allahham , David Flynn , Danny Pudjianto , Paul Dodds , Goran Strbac

Hydrogen could be generated, stored, transported, and consumed in various ways, making it a promising solution to carbon emission reduction. However, key questions still remain in how hydrogen could be appropriately integrated into energy systems over time while coupling with different sectors. This has led to model-based studies of the whole system value of hydrogen in future energy systems, and the near-term actions and long-term strategies required to facilitate the transition to low-carbon energy systems with hydrogen. In this paper, a systematic review of the existing model-based studies in this area was conducted. A summary of hydrogen applications in energy systems was made, with statistics of publications and projects revealing the fast-growing interest in hydrogen in the past several years. The modelling methods used to investigate the system integration of hydrogen was summarised from over 130 publications. This paper also identified the gaps in modelling capability and potential future research topics: 1) balance between the resolution and modelling complexity, 2) inclusion of all uncertain factors of hydrogen pathways, 3) advancement of modelling approaches to address the chicken-and-egg dilemma of hydrogen economy development, and 4) a more detailed and comprehensive coverage of various interactions between hydrogen and other sectors.

氢气可以通过各种方式产生、储存、运输和消费，因此是一种很有前景的碳减排解决方案。然而，氢气如何在与不同部门耦合的同时，长期适当地融入能源系统，仍然是一个关键问题。这促使人们对氢气在未来能源系统中的全系统价值，以及促进氢气向低碳能源系统过渡所需的近期行动和长期战略进行基于模型的研究。本文对该领域现有的基于模型的研究进行了系统回顾。本文对氢在能源系统中的应用进行了总结，通过对出版物和项目的统计，揭示了过去几年中人们对氢的兴趣迅速增长。从 130 多篇出版物中总结了用于研究氢气系统集成的建模方法。本文还指出了建模能力方面的差距和未来潜在的研究课题：1) 在分辨率和建模复杂性之间取得平衡；2) 纳入氢能发展途径的所有不确定因素；3) 改进建模方法以解决氢能经济发展中 "先有鸡还是先有蛋 "的难题；4) 更详细、更全面地涵盖氢能与其他部门之间的各种相互作用。

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引用次数: 0

Zone-based many-objective building decarbonization considering outdoor temperature and occupation uncertainty 考虑室外温度和占用率的不确定性，基于分区的多目标建筑脱碳技术

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews

Pub Date : 2024-10-16 DOI: 10.1016/j.rser.2024.115003

Limao Zhang , Chao Chen , Cheng Zhou , Yongqiang Luo , Xiaoying Wu

Operational building decarbonization is challenging due to complex weather conditions and occupation uncertainty. This paper introduces a precise optimization framework integrating the building information modelling technique and intelligent algorithms to dynamically predict multi-scenario building carbon emissions and optimize the building emissions performance considering building zones and weather conditions. Firstly, the on-site data and building information modeling-supported building emissions simulation data are collected for model training. Secondly, using intelligent algorithms, zone-based hourly carbon emissions and multi-scenario carbon emissions prediction are conducted simultaneously. Thirdly, the optimal decarbonization strategies are conducted using intelligent algorithms under various weather conditions. This framework has been verified for decarbonization in a high-rise operational building. The results reveal that: (1) The carbon emissions prediction is highly consistent with the ground truth after considering the sub-zone correlations; the R² for the west, south, and east zones are 0.900, 0.900, and 0.942, respectively; (2) The surrogate models can accurately predict carbon emissions and thermal comforts with all R² are higher than 0.912. The optimization rate of the building reaches 59.2 % while the outdoor temperature is above 35 °C. (3) In the many-objective optimization model, considering occupation uncertainty makes the strategy close to the actual situation, reaching the decarbonization by 6815.23 kg compared to the empirical operation for the cooling period. This work provides a new path for operational building precise management and control-oriented optimization decarbonization.

由于复杂的天气条件和入驻的不确定性，运行中的建筑脱碳具有挑战性。本文介绍了一种整合建筑信息模型技术和智能算法的精确优化框架，以动态预测多情景建筑碳排放，并优化考虑建筑分区和天气条件的建筑排放性能。首先，收集现场数据和建筑信息模型支持的建筑排放模拟数据进行模型训练。其次，利用智能算法，同时进行基于分区的每小时碳排放和多情景碳排放预测。第三，利用智能算法在各种天气条件下进行最优去碳策略。该框架已在一栋高层运行建筑中进行了脱碳验证。结果表明(1）考虑分区相关性后，碳排放预测与地面实况高度一致，西区、南区和东区的 R2 分别为 0.900、0.900 和 0.942；（2）代用模型能够准确预测碳排放和热舒适度，所有 R2 均大于 0.912。当室外温度高于 35 ℃ 时，建筑物的优化率达到 59.2%。(3）在多目标优化模型中，考虑占用的不确定性，使策略接近实际情况，与制冷期的经验操作相比，达到了 6815.23 千克的脱碳量。这项工作为运行楼宇精确管理和以控制为导向的优化脱碳提供了一条新路径。

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