Frontiers in Energy最新文献

Climate change and innovative paths to a more sustainable future 气候变化和通往更可持续未来的创新途径

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-11-10 DOI: 10.1007/s11708-024-0965-1

Steven Chu, Qi Wang

引用次数: 0

Glow-in-the-dark: Exploring the opportunities and challenges of bioluminescent plankton as a natural light source 在黑暗中发光：探索生物发光浮游生物作为自然光源的机遇和挑战

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-11-10 DOI: 10.1007/s11708-024-0966-0

Siti Hamisah Tapsir, Siew Moi Phang, Nor Aieni Mokhtar, Swee Sen Teo, Lai Huat Lim, Kah Hou Teng, Swee Pin Yeap

{"title":"Glow-in-the-dark: Exploring the opportunities and challenges of bioluminescent plankton as a natural light source","authors":"Siti Hamisah Tapsir, Siew Moi Phang, Nor Aieni Mokhtar, Swee Sen Teo, Lai Huat Lim, Kah Hou Teng, Swee Pin Yeap","doi":"10.1007/s11708-024-0966-0","DOIUrl":"10.1007/s11708-024-0966-0","url":null,"abstract":"<div>Bioluminescent plankton are marine organisms capable of emitting visible light through chemical reactions in their bodies. This unique biochemical trait is attributed to a luciferin-luciferase reaction, which produces a striking blue light. This fascinating phenomenon, often referred to as the “blue tears” effect, has become a major attraction for tourist attractions in many countries. Since their discovery, most investigations related to these marine organisms have primarily focused on the fields of biology, ecology, oceanography, and microbiology. However, there has been limited to almost no study of their potential applications in the area of energy or lighting. This paper provides viewpoints on the opportunities for using these marine organisms and their light-emitting characteristics as an energy-efficient and environmentally friendly lighting solution, rather than just as a tourist attraction. Additionally, it addresses the challenges associated with sustaining the growth of bioluminescent plankton collected from the marine environment, the importance of establishing suitable protocols for in-house cultivation, challenges in stimulating the light-production at desired time, constraint imposed by the circadian rhythm, the toxicity of certain bioluminescent plankton, and the capacity of their luminous intensity.</div>","PeriodicalId":570,"journal":{"name":"Frontiers in Energy","volume":"18 6","pages":"730 - 734"},"PeriodicalIF":3.1,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142912924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Core-membrane microstructured amine-modified mesoporous biochar templated via ZnCl2/KCl for CO2 capture ZnCl2/KCl模板化核膜微结构胺修饰介孔生物炭用于CO2捕集

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-10-30 DOI: 10.1007/s11708-024-0964-2

Chen Zhang, Duoyong Zhang, Xinqi Zhang, Yongqiang Tian, Liwei Wang

{"title":"Core-membrane microstructured amine-modified mesoporous biochar templated via ZnCl2/KCl for CO2 capture","authors":"Chen Zhang, Duoyong Zhang, Xinqi Zhang, Yongqiang Tian, Liwei Wang","doi":"10.1007/s11708-024-0964-2","DOIUrl":"10.1007/s11708-024-0964-2","url":null,"abstract":"<div>Mesoporous biochar (MC) derived from biomass is synthesized using a dual-salt template method involving ZnCl2 and KCl, followed by impregnation with polyethyleneimine (PEI) of varying average molecular weights under vacuum conditions to construct a core-membrane structure for enhancing carbon capture performance. The resulting MC exhibits a highly intricate network of micropores and abundant mesopores, along with defects in graphitic structures, effectively facilitating robust PEI loading. Among the PEI-modified samples, PEI-600@MC demonstrates the highest CO2 sorption capacity, achieving approximately 3.35 mmol/g at 0.1 MPa and 70 °C, with an amine efficiency of 0.32 mmol CO2/mmol N. The introduction of amine functional groups in PEI significantly enhances the sorption capacity compared to bare MC. Additionally, PEI with lower average molecular weights exhibits a superior sorption performance at low pressures but shows a reduced thermal stability compared to higher molecular weight counterparts. The area of sorption hysteresis loops gradually decreases with increasing temperature and average molecular weight of PEI. The equilibrium sorption isotherms are accurately modeled by the Langmuir equation, revealing a maximum sorption capacity of approximately 3.53 mmol/g at 70 °C and saturation pressure. This work highlights the potential of dual-salts templated biomass-derived MC, modified with PEI, as an effective, widely available, and cost-efficient material for CO2 capture.</div>","PeriodicalId":570,"journal":{"name":"Frontiers in Energy","volume":"18 6","pages":"863 - 874"},"PeriodicalIF":3.1,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142912748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Performance analysis of a novel medium temperature compressed air energy storage system based on inverter-driven compressor pressure regulation 基于变频器驱动压缩机压力调节的新型中温压缩空气储能系统性能分析

IF 2.9 4区工程技术

Frontiers in Energy Pub Date : 2024-10-01 DOI: 10.1007/s11708-024-0921-0

Yanghai Li, Wanbing Xu, Ming Zhang, Chunlin Zhang, Tao Yang, Hongyu Ding, Lei Zhang

引用次数: 0

Impact of bimetallic synergies on Mo-doping NiFeOOH: Insights into enhanced OER activity and reconstructed electronic structure 双金属协同作用对掺杂钼的 NiFeOOH 的影响：对增强 OER 活性和重建电子结构的启示

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-09-01 DOI: 10.1007/s11708-024-0960-6

Jingkuo Qu, Yuchen Dong, Tuo Zhang, Chang Zhao, Liting Wei, Xiangjiu Guan

{"title":"Impact of bimetallic synergies on Mo-doping NiFeOOH: Insights into enhanced OER activity and reconstructed electronic structure","authors":"Jingkuo Qu, Yuchen Dong, Tuo Zhang, Chang Zhao, Liting Wei, Xiangjiu Guan","doi":"10.1007/s11708-024-0960-6","DOIUrl":"10.1007/s11708-024-0960-6","url":null,"abstract":"<div>NiFe (oxy)hydroxide (NiFeOOH) is recognized as a highly active non-precious metal catalyst in alkaline water electrolysis due to its exceptional catalytic properties. In this work, high valence molybdenum (Mo) is introduced to improve the electronic structure and enhance the electrical conductivity of NiFeOOH for oxygen evolution reaction (OER). The introduction of Mo results in a Mo-doped NiFeOOH catalyst with a significantly reduced overpotential of 205 mV at 10 mA/cm2 and a Tafel slope of 31.7 mV/dec, enabling stable operation for up to 170 h. Both empirical experiment and theory simulations are employed to gain insight into the 3d-electron interactions between molybdenum and nickel (Ni), iron (Fe) in Mo-doped NiFeOOH. The results indicate that Mo-doping enhances the valence states of Ni and Fe, leading to a shift in the d-band center of the bimetallic active sites. This modification affects the transformation of Mo-doped NiFeOOH into the γ-NiFeOOH active phase. This potent combination lends credence to its potential suitability and utility in OER applications.</div>","PeriodicalId":570,"journal":{"name":"Frontiers in Energy","volume":"18 6","pages":"850 - 862"},"PeriodicalIF":3.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142175142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Performance-enhanced direct ammonia protonic ceramic fuel cells using CeO2-supported Ni and Ru catalyst layer 使用 CeO2-supported Ni 和 Ru 催化剂层的性能增强型直接氨质子陶瓷燃料电池

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-08-20 DOI: 10.1007/s11708-024-0959-z

Xiaoxiao Li, Jiangping Chen, Yunyun Huang, Huihuang Fang, Chongqi Chen, Fulan Zhong, Li Lin, Yu Luo, Yuqing Wang, Lilong Jiang

{"title":"Performance-enhanced direct ammonia protonic ceramic fuel cells using CeO2-supported Ni and Ru catalyst layer","authors":"Xiaoxiao Li, Jiangping Chen, Yunyun Huang, Huihuang Fang, Chongqi Chen, Fulan Zhong, Li Lin, Yu Luo, Yuqing Wang, Lilong Jiang","doi":"10.1007/s11708-024-0959-z","DOIUrl":"10.1007/s11708-024-0959-z","url":null,"abstract":"<div>Ammonia is an exceptional fuel for solid oxide fuel cells (SOFCs), because of the high content of hydrogen and the advantages of carbon neutrality. However, the challenge lies in its unsatisfactory performance at intermediate temperatures (500–600 °C), impeding its advancement. An electrolyte-supported proton-ceramic fuel cell (PCFC) was fabricated employing BaZr0.1Ce0.7Y0.2O3−δ (BZCY) as the electrolyte and Ba0.5Sr0.5Co0.8Fe0.2O3−δ (BSCF) as the cathode. In this study, the performance of PCFC using NH3 as fuel within an operating temperature range of 500–700 °C was improved by adding an M(Ni,Ru)/CeO2 catalyst layer to reconstruct the anode surface. The electrochemical performance of direct ammonia PCFC (DA-PCFC) were improved to different extents. Compared to H2 as fuel, the degradation ratio of peak power densities (PPDs) of Ni/CeO2-loaded PCFC fueled with NH3 decreased at 700–500 °C, with a decrease to 13.3% at 700 °C and 30.7% at 500 °C. The findings indicate that Ru-based catalysts have a greater promise for direct ammonia SOFCs (DA-SOFCs) at operating temperatures below 600 °C. However, the enhancement effect becomes less significant above 600 °C when compared to Ni-based catalysts.</div>","PeriodicalId":570,"journal":{"name":"Frontiers in Energy","volume":"18 6","pages":"875 - 884"},"PeriodicalIF":3.1,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142175165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Low-carbon collaborative dual-layer optimization for energy station considering joint electricity and heat demand response 考虑电力和热力联合需求响应的能源站低碳协同双层优化方案

IF 2.9 4区工程技术

Frontiers in Energy Pub Date : 2024-08-15 DOI: 10.1007/s11708-024-0958-0

Shaoshan Xu, Xingchen Wu, Jun Shen, Haochen Hua

{"title":"Low-carbon collaborative dual-layer optimization for energy station considering joint electricity and heat demand response","authors":"Shaoshan Xu, Xingchen Wu, Jun Shen, Haochen Hua","doi":"10.1007/s11708-024-0958-0","DOIUrl":"https://doi.org/10.1007/s11708-024-0958-0","url":null,"abstract":"In the park-level integrated energy system (PIES) trading market involving various heterogeneous energy sources, the traditional vertically integrated market trading structure struggles to reveal the interactions and collaborative relationships between energy stations and users, posing challenges to the economic and low-carbon operation of the system. To address this issue, a dual-layer optimization strategy for energy station-user, taking into account the demand response for electricity and thermal, is proposed in this paper. The upper layer, represented by energy stations, makes decisions on variables such as the electricity and heat prices sold to users, as well as the output plans of energy supply equipment and the operational status of battery energy storage. The lower layer, comprising users, determines their own electricity and heat demand through demand response. Subsequently, a combination of differential evolution and quadratic programming (DE-QP) is employed to solve the interactive strategies between energy stations and users. The simulation results indicate that, compared to the traditional vertically integrated structure, the strategy proposed in this paper increases the revenue of energy stations and the consumer surplus of users by 5.09% and 2.46%, respectively.","PeriodicalId":570,"journal":{"name":"Frontiers in Energy","volume":"59 1","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142175143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Low-melting point metals facilitate synthesis of Pt-based intermetallic nanocrystals 低熔点金属促进铂基金属间纳米晶体的合成

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-08-10 DOI: 10.1007/s11708-024-0957-1

Yan Wan, Mo Zhang, Yangming Lin

引用次数: 0

Oxygen reduction reaction performance of Fe-N-C catalyst with dual nitrogen source 双氮源 Fe-N-C 催化剂的氧还原反应性能

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-08-10 DOI: 10.1007/s11708-024-0956-2

Yuan Zhao, Quan Wang, Rongrong Hu, Wenqiang Liu, Xiaojuan Zhang, Wei Wang, Nicolas Alonso-Vante, Dongdong Zhu

{"title":"Oxygen reduction reaction performance of Fe-N-C catalyst with dual nitrogen source","authors":"Yuan Zhao, Quan Wang, Rongrong Hu, Wenqiang Liu, Xiaojuan Zhang, Wei Wang, Nicolas Alonso-Vante, Dongdong Zhu","doi":"10.1007/s11708-024-0956-2","DOIUrl":"10.1007/s11708-024-0956-2","url":null,"abstract":"<div>Fe-N-C catalysts are potential substitutes to displace electrocatalysts containing noble chemical elements in the oxygen reduction reaction (ORR). However, their application is hampered by unsatisfactory activity and stability issues. The structures and morphologies of Fe-N-C catalysts have been found to be crucial for the number of active sites and local bonding structures. In this work, dicyandiamide (DCDA) and polyaniline (PANI) are shown to act as dual nitrogen sources to tune the morphology and structure of the catalyst and facilitate the ORR process. The dual nitrogen sources not only increase the amount of nitrogen doping atoms in the electrocatalytic Fe-C-N material, but also maintain a high nitrogen-pyrrole/nitrogen-graphitic: (N-P)/(N-G) value, improving the distribution density of catalytic active sites in the material. With a high surface area and amount of N-doping, the Fe-N-C catalyst developed can achieve an improved half-wave potential of 0.886 V (vs. RHE) in alkaline medium, and a better stability and methanol resistance than commercial Pt/C catalyst.</div>","PeriodicalId":570,"journal":{"name":"Frontiers in Energy","volume":"18 6","pages":"841 - 849"},"PeriodicalIF":3.1,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142175164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Economically attractive production of commercial-grade gasoline from waste plastics 利用废塑料生产商业级汽油，经济效益显著

IF 3.1 4区工程技术

Frontiers in Energy Pub Date : 2024-07-20 DOI: 10.1007/s11708-024-0954-4

Muhammad Salman Nasir, Hu Pan, Baowen Zhou

引用次数: 0