Green Energy & Environment最新文献_第9页

Tailor-made microstructures lead to high-performance robust PEO membrane for CO2 capture via green fabrication technique 量身定制的微观结构通过绿色制造技术生产出用于CO2捕获的高性能坚固PEO膜

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-10-01 DOI: 10.1016/j.gee.2022.01.016

Wei-Shi Sun, Ming-Jie Yin, Wen-Hai Zhang, Shuo Li, Naixin Wang, Quan-Fu An

{"title":"Tailor-made microstructures lead to high-performance robust PEO membrane for CO2 capture via green fabrication technique","authors":"Wei-Shi Sun, Ming-Jie Yin, Wen-Hai Zhang, Shuo Li, Naixin Wang, Quan-Fu An","doi":"10.1016/j.gee.2022.01.016","DOIUrl":"https://doi.org/10.1016/j.gee.2022.01.016","url":null,"abstract":"<div>Emerging excessive greenhouse gas emissions pose great threats to the ecosystem, which thus requires efficient CO2 capture to mitigate the disastrous issue. In this report, large molecular size bisphenol A ethoxylate diacrylate (BPA) was employed to crosslink poly (ethylene glycol) methyl ether acrylate (PEGMEA) via the green and rapid UV polymerization strategy. The microstructure of such-prepared membrane could be conveniently tailored by tuning the ratio of the two prepolymers, aiming at obtaining the optimized microstructures with suitable mesh size and PEO sol content, which was approved by a novel low-field nuclear magnetic resonance technique. The optimum membrane overcomes the trade-off challenge: dense microstructures lower the gas permeability while loose microstructures lower high-pressure-resistance capacity, realizing a high CO2 permeability of 1711 Barrer and 100-h long-term running stability under 15 atm. The proposed membrane fabrication approach, hence, opens a novel gate for developing high-performance robust membranes for CO2 capture.</div>","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":13.3,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50175618","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: 6

Crystal plane induced in-situ electrochemical activation of manganese-based cathode enable long-term aqueous zinc-ion batteries 晶面诱导的锰基阴极原位电化学活化实现了长期水性锌离子电池

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-10-01 DOI: 10.1016/j.gee.2022.02.009

Yuxin Gao , Jiang Zhou , Liping Qin , Zhenming Xu , Zhexuan Liu , Liangbing Wang , Xinxin Cao , Guozhao Fang , Shuquan Liang

{"title":"Crystal plane induced in-situ electrochemical activation of manganese-based cathode enable long-term aqueous zinc-ion batteries","authors":"Yuxin Gao , Jiang Zhou , Liping Qin , Zhenming Xu , Zhexuan Liu , Liangbing Wang , Xinxin Cao , Guozhao Fang , Shuquan Liang","doi":"10.1016/j.gee.2022.02.009","DOIUrl":"https://doi.org/10.1016/j.gee.2022.02.009","url":null,"abstract":"<div>Rapid capacity decay and sluggish reaction kinetics are major barriers hindering the applications of manganese-based cathode materials for aqueous zinc-ion batteries. Herein, the effects of crystal plane on the in-situ transformation behavior and electrochemical performance of manganese-based cathode is discussed. A comprehensive discussion manifests that the exposed (100) crystal plane is beneficial to the phase transformation from tunnel-structured MnO2 to layer-structured ZnMn3O7·3H2O, which plays a critical role for the high reactivity, high capacity, fast diffusion kinetics and long cycling stability. Additionally, a two-stage zinc storage mechanism can be demonstrated, involving continuous activation reaction and phase transition reaction. As expected, it exhibits a high capacity of 275 mAh g−1 at 100 mA g−1, a superior durability over 1000 cycles and good rate capability. This study may open new windows toward developing advanced cathodes for ZIBs, and facilitate the applications of ZIBs in large-scale energy storage system.</div>","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":13.3,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50175645","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

Efficient conversion of lignin waste and self-assembly synthesis of C@MnCo2O4 for asymmetric supercapacitors with high energy density 木质素废弃物的高效转化及高能量密度不对称超级电容器C@MnCo2O4的自组装合成

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-10-01 DOI: 10.1016/j.gee.2022.09.010

Jiahui Mu, Cuihuan Li, Jiankang Zhang, Xianliang Song, Sheng Chen, Feng Xu

{"title":"Efficient conversion of lignin waste and self-assembly synthesis of C@MnCo2O4 for asymmetric supercapacitors with high energy density","authors":"Jiahui Mu, Cuihuan Li, Jiankang Zhang, Xianliang Song, Sheng Chen, Feng Xu","doi":"10.1016/j.gee.2022.09.010","DOIUrl":"https://doi.org/10.1016/j.gee.2022.09.010","url":null,"abstract":"<div>Lignin waste from the papermaking and biorefineries industry is a significantly promising renewable resource to prepare advanced carbon materials for diverse applications, such as the electrodes of supercapacitors; however, the improvement of their energy density remains a challenge. Here, we design a green and universal approach to prepare the composite electrode material, which is composed of lignin-phenol-formaldehyde resins derived hierarchical porous carbon (LR-HPC) as conductive skeletons and the self-assembly manganese cobaltite (MnCo2O4) nanocrystals as active sites. The synthesized C@MnCo2O4 composite has an abundant porous structure and superior electronic conductivity, allowing for more charge/electron mass transfer channels and active sites for the redox reactions. The composite shows excellent electrochemical performance, such as the maximum specific capacitance of ∼726 mF cm−2 at 0.5 mV s−1, due to the significantly enhanced interactive interface between LR-HPC and MnCo2O4 crystals. The assembled all-solid-state asymmetric supercapacitor, with the LR-HPC and C@MnCo2O4 as cathode and anode, respectively, exhibits the highest volumetric energy density of 0.68 mWh cm−3 at a power density of 8.2 mW cm−3. Moreover, this device shows a high capacity retention ratio of ∼87.6% at 5 mA cm−2 after 5000 cycles.</div>","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":13.3,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50175650","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

Graphene-based electrocatalysts for advanced energy conversion 用于高级能量转换的石墨烯基电催化剂

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-10-01 DOI: 10.1016/j.gee.2022.06.008

Pingping Yang , Xin Yang , Wenzhu Liu , Ruike Guo , Zufu Yao

引用次数: 6

3D inner-outer asymmetric sponge for enormous-volume emulsion wastewater treatment based on a new “demulsification-transport” mechanism 基于新型“破乳-转运”机理的三维内外不对称海绵处理大体积乳化废水

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-10-01 DOI: 10.1016/j.gee.2022.02.001

Ruixiang Qu , Shuaiheng Zhao , Na Liu , Xiangyu Li , Huajun Zhai , Ya'nan Liu , Yen Wei , Lin Feng

{"title":"3D inner-outer asymmetric sponge for enormous-volume emulsion wastewater treatment based on a new “demulsification-transport” mechanism","authors":"Ruixiang Qu , Shuaiheng Zhao , Na Liu , Xiangyu Li , Huajun Zhai , Ya'nan Liu , Yen Wei , Lin Feng","doi":"10.1016/j.gee.2022.02.001","DOIUrl":"https://doi.org/10.1016/j.gee.2022.02.001","url":null,"abstract":"<div>Although oily wastewater treatment realized by superwetting materials has attracted heightened attention in recent years, how to treat enormous-volume emulsion wastewater is still a tough problem, which is ascribed to the emulsion accumulation. Herein, to address this problem, a material is presented by subtly integrating chemical demulsification and 3D inner-outer asymmetric wettability to a sponge substrate, and thus wettability gradient-driven oil directional transport for achieving unprecedented enormous-volume emulsion wastewater treatment is realized based on a “demulsification-transport” mechanism. The maximum treatment volume realized by the sponge is as large as 3 L (2.08 × 104 L per cubic meter of the sponge) in one cycle, which is about 100 times of the reported materials. Besides, owing to the large pore size of the sponge, 9000 L m2 h−1 (LMH) separation flux and 99.5% separation efficiency are realized simultaneously, which overcomes the trade-off dilemma. Such a 3D inner-outer asymmetric sponge displaying unprecedented advantage in the treatment volume can promote the development of the oily wastewater treatment field, as well as expand the application prospects of superwetting materials, especially in continuous water treatment.</div>","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":13.3,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50175614","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: 1

Accurate quantification of TiO2(B)'s phase purity via Raman spectroscopy 通过拉曼光谱准确定量TiO2（B）的相纯度

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-10-01 DOI: 10.1016/j.gee.2022.02.008

Jiamiao Ran , Hui Liu , Hongliang Dong , Peng Gao , Haowei Cheng , Jianing Xu , Hailun Wang , Zixing Wang , Qingfeng Fu , Jiaxu Yan , Jilei Liu

{"title":"Accurate quantification of TiO2(B)'s phase purity via Raman spectroscopy","authors":"Jiamiao Ran , Hui Liu , Hongliang Dong , Peng Gao , Haowei Cheng , Jianing Xu , Hailun Wang , Zixing Wang , Qingfeng Fu , Jiaxu Yan , Jilei Liu","doi":"10.1016/j.gee.2022.02.008","DOIUrl":"https://doi.org/10.1016/j.gee.2022.02.008","url":null,"abstract":"<div>Bronze phase titanium dioxide (TiO2(B)) could be a promising high-power anode for lithium ion battery. However, TiO2(B) is a metastable material, so the as-synthesized samples are inevitably accompanied by the existence of anatase phases. It has been found that the TiO2(B)'s purity is positively correlated with its electrochemical performance. Herein, we have established an accurate quantification of the TiO2(B)/anatase ratio, by figuring out the function between the purity of TiO2(B) phase in the high purity range and its Raman spectra features in combination of the calibration by the synchrotron radiation X-ray diffraction (XRD). Compared with the time-consuming electrochemical method, the rapid, sensitive and non-destructive features of Raman spectroscopy have made it a promising candidate for determining the purity of TiO2(B). Further, the correlations developed in this work should be instructive in synthesizing pure TiO2(B) and furthermore optimizing its electrochemical charge storage properties.</div>","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":13.3,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50175716","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: 2

Development of Sustainable and Efficient Recycling Technology for Spent Li-Ion Batteries: Traditional and Transformation Go Hand in Hand 废旧锂离子电池可持续高效回收技术的发展:传统与转型齐头并进

1区工程技术

Green Energy & Environment Pub Date : 2023-09-01 DOI: 10.1016/j.gee.2023.09.001

Zejian Liu, Gongqi Liu, Leilei Cheng, Jing Gu, Haoran Yuan, Yong Chen, Yufeng Wu

{"title":"Development of Sustainable and Efficient Recycling Technology for Spent Li-Ion Batteries: Traditional and Transformation Go Hand in Hand","authors":"Zejian Liu, Gongqi Liu, Leilei Cheng, Jing Gu, Haoran Yuan, Yong Chen, Yufeng Wu","doi":"10.1016/j.gee.2023.09.001","DOIUrl":"https://doi.org/10.1016/j.gee.2023.09.001","url":null,"abstract":"Clean and efficient recycling of spent lithium-ion batteries (LIBs) has become an urgent need to promote sustainable and rapid development of human society. Therefore, we provide a critical and comprehensive overview of the various technologies for recycling spent LIBs, starting with lithium-ion power batteries. Recent research on raw material collection, metallurgical recovery, separation and purification is highlighted, particularly in terms of all aspects of economic efficiency, energy consumption, technology transformation and policy management. Mechanisms and pathways for transformative full-component recovery of spent LIBs are explored, revealing a clean and efficient closed-loop recovery mechanism. Optimization methods are proposed for future recycling technologies, with a focus on how future research directions can be industrialized. Ultimately, based on life-cycle assessment, the challenges of future recycling are revealed from the LIBs supply chain and stability of the supply chain of the new energy battery industry to provide an outlook on clean and efficient short process recycling technologies. This work is designed to support the sustainable development of the new energy power industry, to help meet the needs of global decarbonization strategies and to respond to the major needs of industrialized recycling.","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134995409","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

Nitrogen-doping boosts *CO utilization and H2O activation on copper for improving CO2 reduction to C2+ products 氮掺杂提高了铜的CO利用率和H2O活化，从而改善了CO2还原为C2+产物

1区工程技术

Green Energy & Environment Pub Date : 2023-09-01 DOI: 10.1016/j.gee.2023.09.002

Yisen Yang, Zhonghao Tan, Jianling Zhang, Jie Yang, Renjie Zhang, Sha Wang, Yi Song, Zhuizhui Su

引用次数: 0

Construction of truncated-octahedral LiMn2O4 for battery-like electrochemical lithium recovery from brine 截断八面体LiMn2O4的构建用于从盐水中回收类电池电化学锂

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-08-01 DOI: 10.1016/j.gee.2021.12.002

Guolang Zhou , Linlin Chen , Xiaowei Li , Guiling Luo , Zhendong Yu , Jingzhou Yin , Lei Fan , Yanhong Chao , Lei Jiang , Wenshuai Zhu

{"title":"Construction of truncated-octahedral LiMn2O4 for battery-like electrochemical lithium recovery from brine","authors":"Guolang Zhou , Linlin Chen , Xiaowei Li , Guiling Luo , Zhendong Yu , Jingzhou Yin , Lei Fan , Yanhong Chao , Lei Jiang , Wenshuai Zhu","doi":"10.1016/j.gee.2021.12.002","DOIUrl":"https://doi.org/10.1016/j.gee.2021.12.002","url":null,"abstract":"<div>The extraction of lithium from salt lakes or seawater has attracted worldwide attention because of the explosive growth of global demand for lithium products. The LiMn2O4-based electrochemical lithium recovery system is one of the strongest candidates for commercial application due to its high inserted capacity and low energy consumption. However, the surface orientation of LiMn2O4 that facilitates Li diffusion happens to be prone to manganese dissolution making it a great challenge to obtain high lithium inserted capacity and long life simultaneously. Herein, we address this problem by designing a truncated octahedral LiMn2O4 (Tr-oh LMO) in which the dominant (111) facets minimize Mn dissolution while a small portion of (100) facets facilitate the Li diffusion. Thus, this Tr-oh LMO-based electrochemical lithium recovery system shows excellent Li recovery performance with high inserted capacity (20.25 mg g−1 per cycle) in simulated brine. In addition, the dissolution rate of manganese per 30 cycles is only 0.44% and the capacity maintained 85% of the initial after 30 cycles. These promising findings accelerate the practical application of LiMn2O4 in electrochemical lithium recovery.</div>","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":13.3,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50175345","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: 14

Pd nanoparticles embedded in N-Enriched MOF-Derived architectures for efficient oxygen reduction reaction in alkaline media 包埋在富N MOF衍生结构中的Pd纳米颗粒用于碱性介质中的有效氧还原反应

IF 13.3 1区工程技术

Green Energy & Environment Pub Date : 2023-08-01 DOI: 10.1016/j.gee.2022.01.011

Daqiang Yan, Lin Zhang, Lei Shen, Runyu Hu, Weiping Xiao, Xiaofei Yang

{"title":"Pd nanoparticles embedded in N-Enriched MOF-Derived architectures for efficient oxygen reduction reaction in alkaline media","authors":"Daqiang Yan, Lin Zhang, Lei Shen, Runyu Hu, Weiping Xiao, Xiaofei Yang","doi":"10.1016/j.gee.2022.01.011","DOIUrl":"https://doi.org/10.1016/j.gee.2022.01.011","url":null,"abstract":"<div>Developing high efficient Pd-based electrocatalysts for oxygen reduction reaction (ORR) is still challenging for alkaline membrane fuel cell, since the strong oxygen adsorption energy and easy agglomerative intrinsic properties. In order to simultaneously solve these problems, Pd/Co3O4–N–C multidimensional materials with porous structures is designed as the ORR catalysts. In details, the ZIF-67 with polyhedral structure was firstly synthesized and then annealed at high-temperature to prepare the N-doped Co3O4 carbon-based material, which was used to homogeneously confine Pd nanoparticles and obtained the Pd/Co3O4–N–C series catalysts. The formation of Co–N and C–N bond could provide efficient active sites for ORR. Simultaneously, the strong electronic interaction in the interface between the Pd and N-doped Co3O4 could disperse and avoid the agglomeration of Pd nanoparticles and ensure the exposure of active sites, which is crucial to lower the energy barrier toward ORR and substantially enhance the ORR kinetics. Hence, the Pd/Co3O4–N–C nanocompounds exhibited excellent ORR catalytic performance, ideal Pd mass activity, and durability in 0.1 mol L−1 KOH solution compared with Co3O4–N–C and Pd/C. The scalable synthesis method, relatively low cost, and excellent electrochemical ORR performance indicated that the obtained Pd/Co3O4–N–C electrocatalyst had the potential for application on fuel cells.</div>","PeriodicalId":12744,"journal":{"name":"Green Energy & Environment","volume":null,"pages":null},"PeriodicalIF":13.3,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50175398","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: 3