Next Energy最新文献_第2页

Exploring semisolid liquid metal anode for lithium-ion battery 探索用于锂离子电池的半固态液态金属阳极

Next Energy Pub Date : 2024-10-30 DOI: 10.1016/j.nxener.2024.100206

Pisong Cui , Huimin Liu , Xunyong Jiang

引用次数: 0

Integrating manganese oxide nanoparticles with functionalized carbon nanotubes on carbon cloth to serve as a stable anode for high-capacity Li-ion cells 在碳布上整合氧化锰纳米粒子和功能化碳纳米管，作为高容量锂离子电池的稳定阳极

Next Energy Pub Date : 2024-10-26 DOI: 10.1016/j.nxener.2024.100207

Merin K. Wilson , Dhanya P. Jacob , Aldrin Antony , M.K. Jayaraj , S. Jayalekshmi

{"title":"Integrating manganese oxide nanoparticles with functionalized carbon nanotubes on carbon cloth to serve as a stable anode for high-capacity Li-ion cells","authors":"Merin K. Wilson , Dhanya P. Jacob , Aldrin Antony , M.K. Jayaraj , S. Jayalekshmi","doi":"10.1016/j.nxener.2024.100207","DOIUrl":"10.1016/j.nxener.2024.100207","url":null,"abstract":"<div><div>Globally, energy demands are massive, and environmental issues are rising against our sustainability. To maximize the use of renewable energy sources, development of efficient energy storage systems is mandatory. Lithium-ion batteries (LIBs) play an indispensable role in powering portable devices and electric vehicles, due to their high specific capacity and long cycle life. Manganese oxide (Mn<sub>3</sub>O<sub>4</sub>) is an environmentally friendly anode active material with high theoretical specific capacity of 936 mAh g<sup>−1</sup> for applications in Li-ion cells.</div><div>In the present work, Mn<sub>3</sub>O<sub>4</sub>-functionalized carbon nanotubes (FCNT) nanocomposite, coated on carbon cloth (CC) current collector and termed as Mn<sub>3</sub>O<sub>4</sub>-FCNT @CC, is used as the anode material. Li-ion coin cells based on this nanocomposite anode show discharge capacity of 1371mAhg<sup>−1</sup> and charge capacity of 1141mAhg<sup>−1</sup> at current density of 100 mA g<sup>−1</sup> with initial Coulombic efficiency of 83%. After 70 cycles, the charge-discharge capacities of the cells are 953mAhg<sup>−1</sup> and 958mAhg<sup>−1</sup>, respectively, with capacity retention of 91% at current rate of 100 mA g<sup>−1</sup>. These cells are found to deliver reversible charge capacity of 575mAhg<sup>−1</sup> after 100 cycles at 1C (∼1 A g<sup>−1</sup>) and offer prospects of stable operation at high current rates.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"6 ","pages":"Article 100207"},"PeriodicalIF":0.0,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Energy storage technology and its impact in electric vehicle: Current progress and future outlook 储能技术及其对电动汽车的影响：当前进展与未来展望

Next Energy Pub Date : 2024-10-25 DOI: 10.1016/j.nxener.2024.100202

Mohammad Waseem , G. Sree Lakshmi , Mumtaz Ahmad , Mohd Suhaib

{"title":"Energy storage technology and its impact in electric vehicle: Current progress and future outlook","authors":"Mohammad Waseem , G. Sree Lakshmi , Mumtaz Ahmad , Mohd Suhaib","doi":"10.1016/j.nxener.2024.100202","DOIUrl":"10.1016/j.nxener.2024.100202","url":null,"abstract":"<div><div>The desirable characteristics of an energy storage system (ESS) to fulfill the energy requirement in electric vehicles (EVs) are high specific energy, significant storage capacity, longer life cycles, high operating efficiency, and low cost. In order to advance electric transportation, it is important to identify the significant characteristics, pros and cons, new scientific developments, potential barriers, and imminent prospects of various energy storage technology. The objective of current research is to analyse and find out the optimal storage technology among different electro-chemical, chemical, electrical, mechanical, and hybrid storage system. Different batteries including lead-acid, nickel-based, lithium-ion, flow, metal-air, solid state, and ZEBRA along with their operating parameters are reviewed. The potential roles of fuel cell, ultracapacitor, flywheel and hybrid storage system technology in EVs are explored. Performance parameters of various battery system are analysed through radar based specified technique to conclude the best storage medium in electric mobility. Additionally, the current study compiles a critical analysis of 264 publications from various sources.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"6 ","pages":"Article 100202"},"PeriodicalIF":0.0,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced photocatalytic performance of hydrothermally synthesized TiO2 nanowires for H2 production via water splitting 增强水热合成 TiO2 纳米线的光催化性能，通过水分离产生 H2

Next Energy Pub Date : 2024-10-25 DOI: 10.1016/j.nxener.2024.100205

Niteen Jawale, Govind Umarji, Shubhangi Damkale, Sudhir Arbuj

{"title":"Enhanced photocatalytic performance of hydrothermally synthesized TiO2 nanowires for H2 production via water splitting","authors":"Niteen Jawale, Govind Umarji, Shubhangi Damkale, Sudhir Arbuj","doi":"10.1016/j.nxener.2024.100205","DOIUrl":"10.1016/j.nxener.2024.100205","url":null,"abstract":"<div><div>The effective separation and high mobility of photogenerated charge carriers are important in order to enhance the photocatalytic activity of material. The one-dimensional nanostructures are providing the path for the photogenerated charge carriers resulting higher photocatalytic activity. Herein, highly crystalline Titanium dioxide (TiO<sub>2</sub>) nanowires (TNWs) having anatase phase were synthesized using hydrothermal method by varying the reaction time and temperatures. The synthesized TNWs were characterized using various techniques. Structural study revealed the formation of anatase TiO<sub>2</sub> along with a minor percentage of the rutile phase. Morphological study indicates the growth of TiO<sub>2</sub> nanowires originated from spheres-wires-flakes as a function of reaction time and temperature. FE-TEM image of TiO<sub>2</sub> nanowires prepared at 150℃ for 72 h shows complete formation of nano-wires with 7–10 nm diameter. Photocatalytic performance of the synthesized TiO<sub>2</sub> nanowires was investigated by observing the hydrogen (H<sub>2</sub>) generation via water splitting and degradation of aqueous methylene blue (MB) dye under a 400 W mercury vapor lamp respectively. Among the prepared samples, the TiO<sub>2</sub> nanowires prepared at 150℃ for 48 h showed the highest H<sub>2</sub> generation of 7464.28μmol/0.1 gm higher than the Degussa TiO<sub>2</sub>. Further, the same nanostructured TiO<sub>2</sub> shows the 100% MB degradation within 30 min (K<em>app</em>    <!-->10<sup>−2</sup> min<sup>−1</sup>).</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"6 ","pages":"Article 100205"},"PeriodicalIF":0.0,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Facile synthesis of K0.5Mn2O4·1.5H2O/rGO composites with ultrahigh zinc storage properties 轻松合成具有超高储锌性能的 K0.5Mn2O4-1.5H2O/rGO 复合材料

Next Energy Pub Date : 2024-10-24 DOI: 10.1016/j.nxener.2024.100204

Shuo Li , Shan Wang , Yanxuan Chen , Xianliang Meng , Lin Wang , Junsheng Zhu

引用次数: 0

A systematic investigation on the hybrid Darrieus-Savonius vertical axis wind turbine aerodynamic performance and self-starting capability improvement by installing a curtain 通过安装帘幕改善达里厄斯-萨沃纽斯混合垂直轴风力涡轮机气动性能和自启动能力的系统研究

Next Energy Pub Date : 2024-10-24 DOI: 10.1016/j.nxener.2024.100203

Farzad Ghafoorian , Seyed Reza Mirmotahari , Mohammad Eydizadeh , Mehdi Mehrpooya

{"title":"A systematic investigation on the hybrid Darrieus-Savonius vertical axis wind turbine aerodynamic performance and self-starting capability improvement by installing a curtain","authors":"Farzad Ghafoorian , Seyed Reza Mirmotahari , Mohammad Eydizadeh , Mehdi Mehrpooya","doi":"10.1016/j.nxener.2024.100203","DOIUrl":"10.1016/j.nxener.2024.100203","url":null,"abstract":"<div><div>The Darrieus vertical axis wind turbine is categorized as a lift-based power generation turbomachine. However, the challenge of self-starting capability poses a potential obstacle for this turbine. This study addressed this issue by incorporating a Savonius rotor and introducing a Darrieus-Savonius hybrid rotor to enhance the aerodynamic performance and self-starting capability. The results demonstrated a substantial increase in power coefficient by 64% at tip speed ratio (TSR)=1.4. Furthermore, the curtain installation was investigated as a mechanism to improve rotor performance. The findings indicated that the multiplication of a curtain enhanced the self-starting capability by controlling the positive pressure gradient on the suction and pressure sides of the rotor blades. Notably, considering the flow physics and rotor efficiency in the presence of the curtain with walls featuring different angles, it was established that the optimal angles for the upper and lower walls are 20° and 45°, respectively. This configuration led to a 35% increase in rotor efficiency compared to the solo hybrid rotor. The hybrid rotor demonstrated superior performance within the low-TSR range values, while the Darrieus control case exhibited better efficiency in the high-TSR range. Despite the enhancement in performance attributed to the curtain installation, the high-TSR range still lagged behind the Darrieus control case.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"6 ","pages":"Article 100203"},"PeriodicalIF":0.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Indented metallic bipolar plates for vanadium redox flow batteries 用于钒氧化还原液流电池的凹陷金属双极板

Next Energy Pub Date : 2024-10-21 DOI: 10.1016/j.nxener.2024.100201

Laxman Kumar Kundarapu , M. Maruthi Prasanna , Sreenivas Jayanti

{"title":"Indented metallic bipolar plates for vanadium redox flow batteries","authors":"Laxman Kumar Kundarapu , M. Maruthi Prasanna , Sreenivas Jayanti","doi":"10.1016/j.nxener.2024.100201","DOIUrl":"10.1016/j.nxener.2024.100201","url":null,"abstract":"<div><div>The standard industrial vanadium redox flow battery (VRFB) stack is made of thick graphite bipolar plates to support the flow field required for optimal circulation of electrolyte. These thick plates suffer from electrolyte seepage, poor mechanical properties, and high machining and processing costs. In the present study, we report on the use of metallic bipolar plates for the construction of the VRFB cell. We show, through comprehensive electrochemical and hydrodynamic investigations, that Hastelloy C276, a corrosion-resistant high Nickel alloy, is a suitable bipolar plate material in VRFB cells. We show further that surface texture modification, in the form of a mix of concave and convex spherical indentations on the metallic bipolar plate, can have beneficial effects on cell performance. Comparative experiments on medium-size cells of a nominal area of 440 cm<sup>2</sup> operating in the current density range of 75–125 mA/cm<sup>2</sup> show that discharge energy gains of 25% or higher can be obtained together with a 10–15% reduction in pressure drop in comparison with similar cells with flat bipolar plates. It is posited that the concave indentations spread over the entire area ensure uniform electrolyte circulation while regions of low and high electrode compression create flow channeling possibilities that lead to reduced pressure drop.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"6 ","pages":"Article 100201"},"PeriodicalIF":0.0,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dry reforming of methane and interaction between NiO and CeZrPrOx oxide in different crystallographic plane 甲烷的干重整以及不同晶面的氧化镍和氧化 CeZrPrOx 之间的相互作用

Next Energy Pub Date : 2024-10-17 DOI: 10.1016/j.nxener.2024.100199

Amir Hassan , Yaroslavl Utkin

{"title":"Dry reforming of methane and interaction between NiO and CeZrPrOx oxide in different crystallographic plane","authors":"Amir Hassan , Yaroslavl Utkin","doi":"10.1016/j.nxener.2024.100199","DOIUrl":"10.1016/j.nxener.2024.100199","url":null,"abstract":"<div><div>Methane dry reforming (DRM) holds promise as a pathway for converting methane into valuable synthesis gas (syngas) and high-value chemicals. In this study, we investigate the crystallographic plane interactions between nickel oxide (NiO) and a modified ceria-zirconia-praseodymium oxide support (CeZrPrOx) to elucidate their influence on catalytic activity in methane dry reforming. X-ray diffraction (XRD) patterns and transmission electron microscopy (TEM) techniques were employed to characterize the catalyst. Our findings reveal that specific crystallographic planes significantly impact the catalytic performance of NiO/CeZrPrOx catalyst. The (111), (110), and (100) facets of the support material are examined for their interactions with NiO. We observe that the (110) plane of the support exhibits strong interaction with NiO, leading to enhanced catalytic activity. This interaction facilitates superior anchoring of Ni nanoparticles, lowering sintering and promoting a strong metal-support interaction effect (SMSI). Additionally, our analysis suggests that the (110) interface is particularly favorable for methane dry reforming. Overall, this study highlights the importance of crystallographic plane interactions in NiO/CeZrPrOx catalysts and offers valuable insights for optimizing catalyst design for methane conversion processes.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"6 ","pages":"Article 100199"},"PeriodicalIF":0.0,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142446508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hierarchical control of inverter-based microgrid with droop approach and proportional-integral controller 采用下垂方法和比例积分控制器对基于逆变器的微电网进行分级控制

Next Energy Pub Date : 2024-10-14 DOI: 10.1016/j.nxener.2024.100200

Mahmoud Hazhir

引用次数: 0

Assessment of Iron(III) chloride as a catalyst for the production of hydrogen from the supercritical water gasification of microalgae 评估氯化铁（III）作为微藻超临界水气化制氢催化剂的效果

Next Energy Pub Date : 2024-10-10 DOI: 10.1016/j.nxener.2024.100198

Kieran Heeley , Rafael L. Orozco , Imogen Sheppard , Lynne E. Macaskie , John Love , Bushra Al-Duri

{"title":"Assessment of Iron(III) chloride as a catalyst for the production of hydrogen from the supercritical water gasification of microalgae","authors":"Kieran Heeley , Rafael L. Orozco , Imogen Sheppard , Lynne E. Macaskie , John Love , Bushra Al-Duri","doi":"10.1016/j.nxener.2024.100198","DOIUrl":"10.1016/j.nxener.2024.100198","url":null,"abstract":"<div><div>Alkali metal salts and supported transition metals have been the dominant catalysts used to maximise hydrogen production from supercritical water gasification (SCWG). Recently, FeCl<sub>3</sub> has emerged as an alternative to these that has been found to be more effective in some cases reported in literature. However, to these authors’ knowledge, few studies exist that study this catalyst with none that involve microalgae as the feedstock. Investigation is reported into the effect of FeCl<sub>3</sub> on the SCWG of <em>Chlorella vulgaris</em> for a range of temperatures (400–600°C) and biomass concentrations (1–3wt%), with comparisons made to other catalysts (KOH, Ru/C and their combinations). A significant decrease in hydrogen yield, carbon conversion and energy efficiency was observed with the addition of FeCl<sub>3</sub>, due to a reduced pH which suppressed the water gas shift reaction and catalysed of char forming reactions. This was in contrary to Ru/C and KOH catalysts, where those outcomes increased. Additionally, when FeCl<sub>3</sub> was used with Ru/C, the ruthenium was poisoned, nullifying its positive effects. Consequently, FeCl<sub>3</sub> is not a suitable catalyst for hydrogen production from microalgae, either alone or in conjunction with a ruthenium catalyst.</div></div>","PeriodicalId":100957,"journal":{"name":"Next Energy","volume":"6 ","pages":"Article 100198"},"PeriodicalIF":0.0,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142427225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0