Energy Material Advances最新文献_第7页

Regulating Uniform Zn Deposition via Hybrid Artificial Layer for Stable Aqueous Zn-Ion Batteries 通过混合人工层调节稳定水锌离子电池的均匀锌沉积

Energy Material Advances Pub Date : 2022-10-03 DOI: 10.34133/2022/9809626

Jingjing Yang, Ran Zhao, Yahui Wang, Ying Bai, Chuan Wu

{"title":"Regulating Uniform Zn Deposition via Hybrid Artificial Layer for Stable Aqueous Zn-Ion Batteries","authors":"Jingjing Yang, Ran Zhao, Yahui Wang, Ying Bai, Chuan Wu","doi":"10.34133/2022/9809626","DOIUrl":"https://doi.org/10.34133/2022/9809626","url":null,"abstract":"Aqueous Zn-ion batteries (ZIBs) have great potential as promising candidates for next-generation energy conversion and storage devices, benefiting from competitive theoretical capacity, low cost, and high security. However, further applications of ZIBs are impeded by dendrite generation and side reactions. Herein, considering that Zn dendrites are caused by nonuniform metal deposition, involving uneven electric field and Zn2+ ion flux, a dual-functional carbon-coated NaTi2(PO4)3 (NTP-C) artificial protective layer with large surface area is constructed onto the surface of metallic Zn to stabilize Zn anode and regulate uniform Zn deposition. Benefiting from a synergistic strategy, NTP-C coating not only takes advantages of carbon to provide abundant Zn deposition sites to homogenize nucleation, adjust electric field distribution, and reduce local current density but also utilizes the ionic channel in NTP structure to modulate the distribution of Zn2+ flux at the same time. Consequently, the NTP-C@Zn symmetrical cell exhibits a stable cycling for more than 600 h with a low polarization (18.6 mV) at 1 mA cm−2/1 mAh cm−2. Especially, the NTP-C@Zn symmetrical cell even enables a steady plating/stripping process at a harsh condition (100 mA cm−2) without short circuit, indicating a potential application of high-load electrodes or supercapacitors. Furthermore, the NTP-C@Zn//α-MnO2 full cell also displays enhanced electrochemical performance for 1200 cycles with a capacity retention of 76.6% under 5 C (~1.5 A g−1). This work provides a synergistic strategy combining two protective mechanisms and delivers new inspirations for the improvement of stable Zn anode in aqueous ZIBs.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114337405","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}

引用次数: 13

Layered Double Hydroxides for Oxygen Evolution Reaction towards Efficient Hydrogen Generation 层状双氢氧化物的析氧反应及高效产氢

Energy Material Advances Pub Date : 2022-09-07 DOI: 10.34133/2022/9842610

X. Wan, Yingjie Song, Hua Zhou, Mingfei Shao

{"title":"Layered Double Hydroxides for Oxygen Evolution Reaction towards Efficient Hydrogen Generation","authors":"X. Wan, Yingjie Song, Hua Zhou, Mingfei Shao","doi":"10.34133/2022/9842610","DOIUrl":"https://doi.org/10.34133/2022/9842610","url":null,"abstract":"Electrochemical water splitting is one of the effective ways to obtain highly pure hydrogen. However, as one of the two half reactions, oxygen evolution reaction (OER) has a high overpotential, resulting in the low-energy utilization efficiency. Therefore, numerous electrocatalysts have been developed to reduce the energy barrier of OER. Among them, layered double hydroxides (LDHs) are excellent OER electrocatalysts with flexible composition and structure, which have been widely investigated in the past decade. Recent studies have been focusing on the identification of active sites for LDHs during OER process, trying to reveal clear reaction mechanism for designing more efficient LDHs electrocatalysts. Hence, this review tries to discuss the advances in identifying active site of LDHs based OER electrocatalysts for efficient hydrogen generation. We first introduce the effect of structure, composition, and defects to the OER performance of LDHs. Furthermore, main attention is paid on the active sites and mechanisms during OER, especially the coordination structures and catalytic mechanisms of active sites. At the end of this review, we put forward the existing problems and shortcomings in this fields, and propose the corresponding solutions, aiming to further promote the development of outstanding OER electrocatalysts towards efficient hydrogen production.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127112484","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}

引用次数: 11

Magnesium/Lithium Hybrid Batteries Based on SnS2-MoS2 with Reversible Conversion Reactions 基于SnS2-MoS2可逆转化反应的镁/锂混合电池

Energy Material Advances Pub Date : 2022-09-05 DOI: 10.34133/2022/9846797

Xin Fan, M. Tebyetekerwa, Yilan Wu, R. R. Gaddam, X. Zhao

{"title":"Magnesium/Lithium Hybrid Batteries Based on SnS2-MoS2 with Reversible Conversion Reactions","authors":"Xin Fan, M. Tebyetekerwa, Yilan Wu, R. R. Gaddam, X. Zhao","doi":"10.34133/2022/9846797","DOIUrl":"https://doi.org/10.34133/2022/9846797","url":null,"abstract":"The magnesium/lithium hybrid batteries (MLHBs) featuring dendrite-less deposition with Mg anode and Li-storage cathode are a promising alternative to Li-ion batteries for large-scale energy storage. However, their limited energy density limits their practical implementation. To improve this, beyond the commonly proposed intercalation compounds, high-capacity conversion-type cathodes based on heterostructures of tin sulphide-molybdenum disulphide (SnS2-MoS2) are proposed in this work. Individual SnS2 is already a promising high-capacity electrode material for multivalent batteries and undergoes conversion reactions during the ion storage process. The introduction of S-deficient MoS2 enhances the reversibility of SnS2 in the conversion reaction via strong polysulfide anchoring and catalytic effect. Our results show that the SnS2-MoS2 electrode achieves a high charge capacity of ~600 mAh g-1 at 50 mA g-1 and an excellent rate capability of 240 mAh g-1 at 1000 mAh g-1 with a negligible capacity fading rate of 0.063% per cycle across 1000 cycles. The results highlight a new direction toward designing 2D heterostructures as high-capacity cathodes beyond intercalation-type cathodes for multivalent-ion batteries.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123949531","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}

引用次数: 1

Recent Development of Integrated Systems of Microsupercapacitors 微型超级电容器集成系统的最新进展

Energy Material Advances Pub Date : 2022-08-03 DOI: 10.34133/2022/9804891

Chang Gao, Yuyang Gu, Yang Zhao, L. Qu

引用次数: 3

Unraveling the Effect of Cation Types on Electrochromic Properties of Titanium Dioxide Nanocrystals 揭示阳离子类型对二氧化钛纳米晶体电致变色性能的影响

Energy Material Advances Pub Date : 2022-08-03 DOI: 10.34133/2022/9878957

Yizhi Liang, Sheng Cao, Yuwei Liu, Lijuan He, Xinxin Han, Ruosheng Zeng, Jialong Zhao, B. Zou

{"title":"Unraveling the Effect of Cation Types on Electrochromic Properties of Titanium Dioxide Nanocrystals","authors":"Yizhi Liang, Sheng Cao, Yuwei Liu, Lijuan He, Xinxin Han, Ruosheng Zeng, Jialong Zhao, B. Zou","doi":"10.34133/2022/9878957","DOIUrl":"https://doi.org/10.34133/2022/9878957","url":null,"abstract":"Electrochromic (EC) devices have been regarded as promising candidates for energy-saving smart windows, next-generation displays, and wearable electronics. Monovalent ions such as H+- and Li+-based electrolytes are the benchmark insertion ions for EC devices but have serious limitations such as high cost, instability, and difficulty to handle. Seeking multivalent electrolytes is an effective alternative way to prepare high-performance EC devices; unfortunately, the related reports are currently limited to tungsten oxide EC materials. Herein, for the first time, we investigate the EC properties driven by different valence cationic (i.e., Li+, Zn2+, and Al3+) electrolytes in the titanium dioxide system. It is found that the initial optical modulation ranges of TiO2 nanocrystal (NC) films in Li+, Zn2+, and Al3+ electrolytes are 76.8%, 77.4%, and 77.3%, respectively. After 250 cycles, the optical contrast of these films in Zn2+ electrolyte decreased by only 2.3%, much lower than that in benchmark Li+ electrolyte of 10.1% and Al3+ electrolyte of 59.1%. Density functional theory calculation indicates that the potential barriers of Li+, Zn2+, and Al3+ in TiO2 are 0.59, 0.55, and 0.74 eV, respectively, which makes TiO2 NCs show good EC properties in Zn2+ electrolytes. This work unravels the effect of different valence cations on the electrochromic properties of titanium dioxide NCs, which may provide some new directions for the development of excellent EC devices with long-term stability and durability.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126556896","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}

引用次数: 5

Balancing Energy-Level Difference for Efficient n-i-p Perovskite Solar Cells with Cu Electrode 用Cu电极平衡高效n-i-p钙钛矿太阳能电池的能级差

Energy Material Advances Pub Date : 2022-07-08 DOI: 10.34133/2022/9781073

Ziqi Xu, Nengxu Li, Xiuxiu Niu, Huifen Liu, Guilin Liu, Qi Chen, Huanping Zhou

{"title":"Balancing Energy-Level Difference for Efficient n-i-p Perovskite Solar Cells with Cu Electrode","authors":"Ziqi Xu, Nengxu Li, Xiuxiu Niu, Huifen Liu, Guilin Liu, Qi Chen, Huanping Zhou","doi":"10.34133/2022/9781073","DOIUrl":"https://doi.org/10.34133/2022/9781073","url":null,"abstract":"Developing low cost and stable metal electrode is crucial for mass production of perovskite solar cells (PSCs). As an earth-abundant element, Cu becomes an alternative candidate to replace noble metal electrodes such as Au and Ag, due to its comparable physiochemical properties with simultaneously good stability and low cost. However, the undesirable band alignment associated with the device architecture impedes the exploration of efficient Cu-based n-i-p PSCs. Here, we demonstrated the ability of tuning the Fermi level (EF) of hole transport layer (HTL) to reduce the energy level difference (Schottky barrier) between HTLs and Cu. Further, we identified that the balance of energy level difference between HTL and adjacent layers (including perovskite and Cu) is crucial to efficient carrier transportation and photovoltaic performance improvement in the PSCs. Under the optimized condition, we achieve a device power conversion efficiency (PCE) of 20.10%, which is the highest on the planar n-i-p PSCs with Cu electrode. Meanwhile, the Cu-based PSCs can maintain 92% of their initial efficiency after 1000 h storage, which is comparable with Au-based devices. The present work not only extends the understanding on the band alignment of neighboring semiconductor functional layer in the device architecture to improve the resulting performance but also suggests great potential of Cu electrode for application in PSCs community.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128821088","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}

引用次数: 13

20 μm-Thick Li6.4La3Zr1.4Ta0.6O12-Based Flexible Solid Electrolytes for All-Solid-State Lithium Batteries 全固态锂电池用20 μm厚li6.4 la3zr1.4 ta0.6 o12柔性固体电解质

Energy Material Advances Pub Date : 2022-07-04 DOI: 10.34133/2022/9753506

Qingya Guo, Fanglin Xu, Lin Shen, Shungui Deng, Zhiyan Wang, Mengqi Li, X. Yao

{"title":"20 μm-Thick Li6.4La3Zr1.4Ta0.6O12-Based Flexible Solid Electrolytes for All-Solid-State Lithium Batteries","authors":"Qingya Guo, Fanglin Xu, Lin Shen, Shungui Deng, Zhiyan Wang, Mengqi Li, X. Yao","doi":"10.34133/2022/9753506","DOIUrl":"https://doi.org/10.34133/2022/9753506","url":null,"abstract":"The doped garnet-type solid electrolytes are attracting great interest due to high ionic conductivity and excellent electrochemical stability against Li metal. However, the thick electrolyte layer and rigid nature as well as poor interfacial contact are huge obstacles for its application in all-solid-state lithium batteries. Herein, an ultrathin flexible Li6.4La3Zr1.4Ta0.6O12- (LLZTO-) based solid electrolyte with 90 wt% LLZTO content is realized through solvent-free procedure. The resultant 20 μm-thick LLZTO-based film exhibits ultrahigh ionic conductance of 41.21 mS at 30°C, excellent oxidation stability of 4.6 V, superior thermal stability and nonflammability. Moreover, the corresponding Li||Li symmetric cell can stable cycle for more than 2000 h with low overpotential at 0.1 mA cm-2 under 60°C. The assembled Li||LiFePO4 pouch cell with integrated electrolyte/cathode interface exhibits excellent rate performances and cycle performances with a capacity retention of 71.4% from 153 mAh g-1 to 109.2 mAh g-1 at 0.1 C over 500 cycles under 60°C. This work provides a promising strategy towards realizing ultrathin flexible solid electrolyte for high-performance all-solid-state lithium batteries.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133515091","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}

引用次数: 42

Crystal Facet-Dependent Intrinsic Charge Separation on Well-Defined Bi4TaO8Cl Nanoplate for Efficient Photocatalytic Water Oxidation 明确Bi4TaO8Cl纳米板晶体面相关的本征电荷分离用于高效光催化水氧化

Energy Material Advances Pub Date : 2022-06-17 DOI: 10.34133/2022/9897860

A. Adenle, Ming Shi, Xiaoping Tao, Yue Zhao, Bin Zeng, Na Ta, Rengui Li

{"title":"Crystal Facet-Dependent Intrinsic Charge Separation on Well-Defined Bi4TaO8Cl Nanoplate for Efficient Photocatalytic Water Oxidation","authors":"A. Adenle, Ming Shi, Xiaoping Tao, Yue Zhao, Bin Zeng, Na Ta, Rengui Li","doi":"10.34133/2022/9897860","DOIUrl":"https://doi.org/10.34133/2022/9897860","url":null,"abstract":"The development of photocatalysts with wide spectral absorption and high charge separation efficiency has always been a pursued objective for photocatalytic solar energy conversion. Herein, we reported a wide-range visible-light-active Bi4TaO8Cl (BTOC) single crystal nanoplate with dominating {110} and {001} facets for enhancing the intrinsic charge separation efficiency. Insitu selective photodeposition of metals and metal oxides provides evidences of photogenerated electrons and holes spatially separated on {110} and {001} coexposed facets of BTOC, respectively. The intrinsic charge separation efficiency was demonstrated to be closely dependent on the crystal facets, which can be modulated by tuning the coexposed crystal facet ratio. Further surface modification of BTOC with suitable dual cocatalyst Ag and RuOx enables remarkable improvement of charge separation efficiency and photocatalytic water oxidation performance. Investigation by comparison between well-defined BTOC nanoplate and BTOC nanoparticles confirmed the significance of coexposed crystal facets for efficient spatial charge separation and the blocking of reverse reaction from Fe2+ to Fe3+ ions during water oxidation reaction, indicating that rational modulation of exposed crystal facets is significant for controlling the intrinsic charge separation efficiency on Bi4TaO8Cl photocatalyst for efficient photocatalytic water splitting.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121472017","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}

引用次数: 12

Ultrathin PtRu Nanowires as Efficient and Stable Electrocatalyst for Liquid Fuel Oxidation Reactions 超薄PtRu纳米线作为液体燃料氧化反应高效稳定的电催化剂

Energy Material Advances Pub Date : 2022-06-09 DOI: 10.34133/2022/9871842

Kun Yin, Y. Chao, Lingyou Zeng, Menggang Li, Fangze Liu, Shaojun Guo, Hongbo Li

引用次数: 4

Expediting H2 Evolution over MAPbI3 with a Nonnoble Metal Cocatalyst Mo2C under Visible Light 用非贵金属助催化剂Mo2C加速MAPbI3在可见光下的H2演化

Energy Material Advances Pub Date : 2022-05-28 DOI: 10.34133/2022/9836095

J. Yu, Xiaoxiang Xu

{"title":"Expediting H2 Evolution over MAPbI3 with a Nonnoble Metal Cocatalyst Mo2C under Visible Light","authors":"J. Yu, Xiaoxiang Xu","doi":"10.34133/2022/9836095","DOIUrl":"https://doi.org/10.34133/2022/9836095","url":null,"abstract":"Halide perovskites have been emerging as promising photocatalytic materials for H2 evolution from water due to their outstanding photoelectric properties. However, the lack of proper surface reactive sites greatly hinders the photocatalytic potential of these fascinating compounds. Here, Mo2C nanoparticles have been anchored onto methylammonium lead iodide (MAPbI3) as a nonnoble metal cocatalyst to promote H2 evolution reactions. The Mo2C nanoparticles have opposite zeta potential with MAPbI3 thereby electrostatically assembled onto the MAPbI3 surface, i.e., Mo2C@MAPbI3. Our results show that the anchored Mo2C nanoparticles have a strong interplay with MAPbI3 substrate so that photogenerated electrons of MAPbI3 can be rapidly separated and transferred into Mo2C for further H2 evolution reactions. Under optimal conditions, Mo2C@MAPbI3 delivers exceptionally high photocatalytic performance for visible light-driven H2 evolution that clearly outperforms pristine MAPbI3 and Pt-deposited MAPbI3. An apparent quantum efficiency as high as 12.65% at 600±40 nm has been attained for H2 evolution, surpassing most of the MAPbI3-based photocatalyst reported. These results signify the usefulness and applicability of Mo2C as a new nonnoble metal-based cocatalyst in solar water splitting.","PeriodicalId":332612,"journal":{"name":"Energy Material Advances","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128383437","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}

引用次数: 4