Tongtong Deng, Chen Li, Guanjie Lu, Zongyang Li, Chaohe Xu and Ronghua Wang
{"title":"Accelerating interfacial desolvation kinetics using NaF-rich composite sodium for high-performance all-climate sodium–metal batteries†","authors":"Tongtong Deng, Chen Li, Guanjie Lu, Zongyang Li, Chaohe Xu and Ronghua Wang","doi":"10.1039/D4EE05369A","DOIUrl":"10.1039/D4EE05369A","url":null,"abstract":"<p >Sodium–metal batteries (SMBs) are considered the ideal candidates for the next-generation large-scale energy storage batteries. However, achieving all-climate SMBs operating in a wide temperature range remains a huge challenge because of the instability of the Na/electrolyte interphases and sluggish reaction kinetics, particularly at ultra-low temperatures (−40 °C). Herein, we develop a novel NaF-rich composite sodium anode by impregnating NaF into metallic Na (NaF@Na) for the first time. Through this design, an NaF-rich SEI can be embedded into the anode homogeneously, which can endow the Na/electrolyte interface with a good thermal stability at 60 °C and accelerate the desolvation of Na<small><sup>+</sup></small>-solvent molecular clusters at −40 °C. In light of these collective advancements, the NaF@Na‖NVP full cell realized stable all-climate operation from −40 to 60 °C with a commercial ester-based electrolyte, displaying a high-capacity retention of 90% after 400 cycles (0.2C) even at −40 °C together with an outstanding electrochemical performance at 60 °C (106.1 mA h g<small><sup>−1</sup></small> and 76% capacity retention over 2400 cycles at 10C), which has rarely been achieved in previous studies. This unique composite Na anode design offers new insights and prospects for all-climate operation and lays the basis for practical SMBs.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 7","pages":" 3278-3287"},"PeriodicalIF":32.4,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143462382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ze Chen, Tong Liu, Zhiquan Wei, Yiqiao Wang, Ao Chen, Zhaodong Huang, Duanyun Cao, Nan Li and Chunyi Zhi
{"title":"Fluorinated-oligomeric ionic liquids for high-performance wide-temperature solid zinc batteries†","authors":"Ze Chen, Tong Liu, Zhiquan Wei, Yiqiao Wang, Ao Chen, Zhaodong Huang, Duanyun Cao, Nan Li and Chunyi Zhi","doi":"10.1039/D4EE05153J","DOIUrl":"10.1039/D4EE05153J","url":null,"abstract":"<p >Zn-based solid polymer electrolytes (SPEs) hold immense potential for developing high-performance and safe zinc ion batteries (ZIBs) that can operate effectively even at high temperatures. However, typical plasticizers like ionic liquids (ILs) exhibit limitations regarding Zn<small><sup>2+</sup></small> ion transport and compatibility with the polymer matrix, causing a low Zn<small><sup>2+</sup></small> transference number (<em>t</em><small><sub>Zn<small><sup>2+</sup></small></sub></small>) and serious phase separation in SPEs. In this study, we develop a novel fluorinated IL (F-IL) plasticizer containing an imidazole cation with a fluoro alkyl substituent as an extended side chain for zinc-based SPEs. This innovative imidazole cation effectively modifies the Zn<small><sup>2+</sup></small> solvation structure. It significantly enhances the compatibility between ILs and the polymer matrix, enabling fast Zn<small><sup>2+</sup></small> ion transport (with a notable <em>t</em><small><sub>Zn<small><sup>2+</sup></small></sub></small> of 0.46 and high ionic conductivity of 2.8 × 10<small><sup>−3</sup></small> S cm<small><sup>−1</sup></small>) when incorporated in SPEs. Using the F-ILs-based SPE, we achieve dendrite-free Zn plating/stripping cycling over 2000 h, even at high temperatures. A Zn‖Cl4Q battery assembled with the designed SPE outperforms other solid ZIBs, demonstrating a wide working temperature range (−15 °C to 120 °C) and a long cycling life (capacity retention 70.9% after 2000 cycles at 90 °C). In addition, the pouch cell exhibits a remarkable shelf life (90 days) and a low self-discharge rate (capacity loss of 0.09% per day) at 60 °C, thanks to the high thermal and chemical stability of the SPE during operation. The F-IL-based SPE, with its advanced ion transport structure, provides solid ZIBs with significant performance improvement, high safety, and enduring durability.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 7","pages":" 3296-3304"},"PeriodicalIF":32.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ee/d4ee05153j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143452130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jihun Song, Royal C. Ihuaenyi, Jaejin Lim, Zihan Wang, Wei Li, Ruqing Fang, Amin Kazem Ghamsari, Hongyi Xu, Yong Min Lee and Juner Zhu
{"title":"A microstructural electrochemo-mechanical model of high-nickel composite electrodes towards digital twins to bridge the particle and electrode-level characterizations†","authors":"Jihun Song, Royal C. Ihuaenyi, Jaejin Lim, Zihan Wang, Wei Li, Ruqing Fang, Amin Kazem Ghamsari, Hongyi Xu, Yong Min Lee and Juner Zhu","doi":"10.1039/D4EE04856C","DOIUrl":"10.1039/D4EE04856C","url":null,"abstract":"<p >Cell-level battery models, most of which rely on the successful porous electrode theories, effectively estimate cell performance. However, pinpointing the contributions of individual components of an electrode remains challenging. In contrast, particle-level models based on real microstructures describe active material characteristics but do not accurately reflect performance under cell-level operating conditions. To bridge this modeling gap, we propose a microelectrode modeling framework that considers each component of a composite electrode. This framework enables us to analyze the complex electrochemo-mechanical relationships within the composite electrode. The realistic 3D microstructure of the LiNi<small><sub>0.7</sub></small>Mn<small><sub>0.15</sub></small>Co<small><sub>0.15</sub></small>O<small><sub>2</sub></small> composite electrode is reconstructed from focused ion beam-scanning electron microscopy images. By applying the intrinsic properties of every component, the composite microelectrode model achieves more than 98% accuracy in terms of the voltage profile compared to the measurement on coin cells. This model allows us to identify three important mechanisms that contribute to the discrepancy between cell and particle levels, i.e., reduced reaction area, increased diffusion length, and insufficient amount of electrolyte. Simulations under excessive electrolyte conditions reveal a significant improvement in rate capability with 94% capacity retention at 4C. In addition, the model considers the role of conductive materials and binders as well as the viscoplasticity of the polymeric binder, enabling the study of degradation mechanisms involving the stability of the binder-particle connection.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 7","pages":" 3129-3147"},"PeriodicalIF":32.4,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ee/d4ee04856c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143452129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bo Wang, Chengbing Wang, Yang Li, Jingjing Jin, Xuli Lin, Chenyi Shi
{"title":"Bionic design: Nature insight into solar interfacial evaporators","authors":"Bo Wang, Chengbing Wang, Yang Li, Jingjing Jin, Xuli Lin, Chenyi Shi","doi":"10.1039/d4ee05898d","DOIUrl":"https://doi.org/10.1039/d4ee05898d","url":null,"abstract":"Solar interfacial evaporators (SIE) offer a promising solution for utilizing solar energy in seawater desalination, addressing the critical issue of freshwater scarcity. However, there are ongoing challenges in enhancing overall performance and multifaceted applications of evaporators. To further improve SIE performance, inspiration can be drawn from nature at multiple scales. By integrating biomimetic designs, the evaporation performance of these systems has been significantly improved, which has emerged as a compelling avenue to improve their overall performance. Nevertheless, a comprehensive overview of the advancements in bionic structures for solar evaporator applications is currently lacking. This paper aims to fill this gap by reviewing the utilization of biomimetic structures in SIE and systematically presenting recent progress in biomimetic structures for enhancing light absorption, thermal management, and water/salt transport in SIE. Furthermore, we underscore the practical applications of current biomimetic structures, discuss existing challenges, and outline future prospects for enhancing performance through innovative biomimetic structure designs.","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":"22 1","pages":""},"PeriodicalIF":32.5,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143443800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chenxu Dong, Yongkun Yu, Changning Ma, Cheng Zhou, Jiajing Wang, Jiapei Gu, Juan Ji, Shubin Yang, Zunfeng Liu, Xu Xu and Liqiang Mai
{"title":"Tailoring zinc diatomic bidirectional catalysts achieving orbital coupling–hybridization for ultralong-cycling zinc–iodine batteries†","authors":"Chenxu Dong, Yongkun Yu, Changning Ma, Cheng Zhou, Jiajing Wang, Jiapei Gu, Juan Ji, Shubin Yang, Zunfeng Liu, Xu Xu and Liqiang Mai","doi":"10.1039/D4EE05767H","DOIUrl":"10.1039/D4EE05767H","url":null,"abstract":"<p >Aqueous zinc–iodine (Zn–I<small><sub>2</sub></small>) batteries have become promising energy storage devices due to their high theoretical capacity, high safety, and low cost advantages. However, sluggish kinetics and the shuttle effect of polyiodides still limit the further development of Zn–I<small><sub>2</sub></small> batteries. Single-atom catalysts have been explored in Zn–I<small><sub>2</sub></small> batteries to address the above challenges, but single atom sites restrict the adsorption/desorption relationship of reactants and intermediates. Herein, honeycomb shaped Zn dual atom sites embedded in nitrogen doped carbon nanosheets were designed to not only enhance the confinement of I<small><sub>2</sub></small>, but also facilitate the bidirectional redox kinetics of polyiodides through orbital coupling and hybridization, thereby improving the capacity and cycle stability of Zn–I<small><sub>2</sub></small> batteries. Impressively, the batteries with I<small><sub>2</sub></small>@Zn<small><sub>2</sub></small>NC cathodes received the longest cycle of 100 000 cycles at 50C, retaining an ultra-low capacity fading of 0.0002% per cycle. Additionally, the batteries achieved 7000 cycles at 10C even at −20 °C, verifying good catalytic performance of Zn<small><sub>2</sub></small>NC at low temperature. This work reveals the mechanism of synergistic adsorption and catalytic conversion of polyiodides by dual single atom catalysts, providing guidance for the design of dual atom site structures to achieve state-of-the-art Zn–I<small><sub>2</sub></small> batteries.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 6","pages":" 3014-3025"},"PeriodicalIF":32.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143443777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yixin Wu, Zhen Chen, Kai Shi, Yang Wang, Xian-Ao Li, Ziqi Zhao, Quan Zhuang, Jian Wang and Minghua Chen
{"title":"Fast Li+ transport kinetics enabled by TiN nanofibers in hybrid polymer-based electrolytes for long-life Li metal batteries†","authors":"Yixin Wu, Zhen Chen, Kai Shi, Yang Wang, Xian-Ao Li, Ziqi Zhao, Quan Zhuang, Jian Wang and Minghua Chen","doi":"10.1039/D4EE06035K","DOIUrl":"10.1039/D4EE06035K","url":null,"abstract":"<p >Polymer-based solid-state electrolytes exhibit superior advantages in flexibility, light weight, and large-scale processability, rendering them promising for high-performance solid-state lithium metal batteries (SSLMBs) with enhanced safety. However, challenges like poor structural uniformity, sluggish Li<small><sup>+</sup></small> transport kinetics, and inferior interface compatibility hinder their practical applications. Herein, a hybrid quasi-solid-state electrolyte (PHLT) composed of a titanium nitride (TiN) fibrous nanofiller and a poly(vinylidene fluoride-<em>co</em>-hexafluoropropylene)/lithium bis(trifluoromethanesulfonyl)imide (PVDF–HFP/LiTFSI) matrix was developed. The inorganic filler could decrease the crystallinity of PVDF–HFP, propel the polar transformation of the polymer, as well as adsorb and immobile the TFSI<small><sup>−</sup></small> anions, significantly enhancing Li-ion transport kinetics. Furthermore, the <em>in situ</em> generated fast Li-ion conductor, <em>i.e.</em>, Li<small><sub><em>x</em></sub></small>TiN, derived from lithiated TiN, along with a smooth but dense LiF interphase, effectively bridges the electrolyte|electrode interface and suppresses Li dendrite growth. Consequently, the as-fabricated Li|PHLT|LiFePO<small><sub>4</sub></small> cells achieve exceptional cycling stability over 3000 cycles at 2 C with a superior average Coulombic efficiency of 99.8%. Notably, this strategy also enables great compatibility with matching high-loading cathodes (9.5 mg cm<small><sup>−2</sup></small>), moreover, it delivers impressive performance in large areal pouch cells as well as bilayer stacking cells. This work provides an innovative approach to constructing solid-state electrolytes with enhanced diffusion kinetics and interface compatibility, paving the way for practical SSLMB applications.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 6","pages":" 2817-2825"},"PeriodicalIF":32.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ee/d4ee06035k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143443778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yang Xiao, Jingwen Wang, Yong Cui, Yafei Wang, Zhihao Chen, Shuohan Cheng, Haoyu Yuan, Jiawei Qiao, Yi Yang, Wenxuan Wang, Ni Yang, Yue Yu, Runnan Yu, Xiaotao Hao and Jianhui Hou
{"title":"Molecular design of high-performance wide-bandgap acceptor enables versatile organic photovoltaic applications†","authors":"Yang Xiao, Jingwen Wang, Yong Cui, Yafei Wang, Zhihao Chen, Shuohan Cheng, Haoyu Yuan, Jiawei Qiao, Yi Yang, Wenxuan Wang, Ni Yang, Yue Yu, Runnan Yu, Xiaotao Hao and Jianhui Hou","doi":"10.1039/D4EE05022C","DOIUrl":"10.1039/D4EE05022C","url":null,"abstract":"<p >As the exploration of organic photovoltaic (OPV) applications deepens, wide-bandgap (WBG) OPV cells exhibit great potential in various novel applications. However, advancements in high-performance WBG acceptors are relatively slow. Herein, we designed and synthesized a WBG acceptor, FPCC-Br, by reducing the overlap of the highest occupied molecular orbital and the lowest unoccupied molecular orbital distributions. Owing to the simplified synthetic route and high synthesis yield, FPCC-based acceptors exhibited the lowest raw material cost among all the WBG acceptors. Benefitting from its excellent charge transfer and exciton dissociation ability, the PBQx-TF:FPCC-Br-based cell exhibited a power conversion efficiency (PCE) of 13.6%, which is the champion efficiency for OPV cells with a bandgap below 720 nm. Furthermore, the PBQx-TF:eC9-2Cl:FPCC-Br-based ternary cell exhibited an impressive PCE of 19.3%. When placed under a light-emitting diode lamp with an illumination of 1000 lux, the PBQx-TF:FPCC-Br-based cells achieved an impressive PCE of 29.3%. Then, the PBQx-TF:FPCC-Br-based cell was employed as the front cell in a tandem cell, realizing a notable PCE of 20.1%. Additionally, these cells connected in series were employed to directly produce hydrogen through underwater photovoltaic electrolysis (UPE), achieving a solar-to-hydrogen efficiency of 6.91%. Moreover, the cells demonstrated remarkable thermal stability at 80 °C, indicating its feasibility for application in UPE. Thus, our work provides a viable molecular design approach for WBG acceptors and underscores the promising prospects of WBG OPV cells for versatile applications.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 7","pages":" 3259-3268"},"PeriodicalIF":32.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143443776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dawei Gao, Yujie Yang, Xinyang Zhou, Yuandong Sun, Weiqiang Miao, Dan Liu, Wei Li and Tao Wang
{"title":"CsPbI2Br quantum dots integration for high performance organic photovoltaics and photodetectors†","authors":"Dawei Gao, Yujie Yang, Xinyang Zhou, Yuandong Sun, Weiqiang Miao, Dan Liu, Wei Li and Tao Wang","doi":"10.1039/D5EE00233H","DOIUrl":"10.1039/D5EE00233H","url":null,"abstract":"<p >Organic semiconductors promise highly-flexible, solution-processible electronics, and have attracted great attention in applications for photovoltaics and photodetectors. However, they also suffer from large exciton binding energy and poor charge transport ability, meaning they cannot compare with traditional inorganic alternatives. In this work, CsPbI<small><sub>2</sub></small>Br inorganic perovskite quantum dots (PQDs) were integrated into cutting-edge polymer:non-fullerene photoactive films to improve the performance of both photovoltaic (PV) and photodetecting (PD) devices. We find there is strong energy transfer from these PQDs to the donor component PM6, which results in an improved short-circuit current and photoresponsivity in PV and PD devices, whilst strong chemical interactions between PQDs and fullerene acceptor L8-BO are revealed, passivating the defects of PQDs. Mott–Schottky measurements, in conjunction with electrochemical impedance spectroscopy, further elucidate that a wider depletion region is established with the assistance of PQDs, attributed to the above interaction and larger dielectric constant enabled by PQDs, which could be the key to the accelerated charge transport and reduced charge recombination. With the integration of PQDs, an improvement in power conversion efficiency from 18.8% to 19.4% (maximum 20.2% for D18:L8-BO) is observed in PM6:L8-BO PV devices, whilst a decrease in dark current from 1.5 × 10<small><sup>−5</sup></small> to 9.6 × 10<small><sup>−7</sup></small> mA cm<small><sup>−2</sup></small> at −0.1 V is obtanied in PD devices, translating to a superior detectivity of 6.5 × 10<small><sup>12</sup></small> Jones at 770 nm.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 7","pages":" 3288-3295"},"PeriodicalIF":32.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143443773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Wu Shao, Jie Sheng, Yufei Fu, Jingwen He, Zhihao Deng, Ronghao Cen and Wenjun Wu
{"title":"Achieving unprecedented power-output in 4-terminal mirror-symmetrical printable carbon CsPbBr3 solar cells through dual-solvent engineering†","authors":"Wu Shao, Jie Sheng, Yufei Fu, Jingwen He, Zhihao Deng, Ronghao Cen and Wenjun Wu","doi":"10.1039/D4EE05841K","DOIUrl":"10.1039/D4EE05841K","url":null,"abstract":"<p >Conventional aqueous processing of all-inorganic CsPbBr<small><sub>3</sub></small> perovskite solar cells has encountered significant limitations hindering performance optimization and long-term stability. To address these challenges, we introduce a novel dual-solvent engineering strategy guided by density functional theory (DFT) calculations and Tyndall effect analysis. By carefully selecting solvents with enhanced donor numbers and dielectric constants, the surface Br/Pb ratio of CsPbBr<small><sub>3</sub></small> was effectively modulated, inducing p-type transition, and suppressing defect formation within the perovskite film. These synergistic effects lead to extended carrier lifetimes, reduced defect densities, and improved charge transport properties. Consequently, our all-inorganic carbon-based printable mesoscopic perovskite solar cells (p-MPSCs) achieve a record power conversion efficiency (PCE) of 10.18% (with a large-area device of 17.88 cm<small><sup>2</sup></small> reaching 8.72%). Furthermore, integrating a 4-terminal mirror reflection concentrator significantly boosts power output to 29.44 mW cm<small><sup>−2</sup></small>. Remarkably, the devices exhibit exceptional stability, retaining 93.2% of their initial PCE after 1000 hours of operation at 150 °C. Our findings establish a promising pathway towards high-performance and stable all-inorganic perovskite solar cells suitable for large-scale applications.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 7","pages":" 3211-3222"},"PeriodicalIF":32.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143443774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Developing an electro-chemo-mechanically synergistic effect via the cholesteric cellulose crystalline interphase for highly stable flexible zinc metal batteries†","authors":"Xinze Cai, Wanlin Wu, Bingyao Zhang, Wenlong Cai, Canhui Lu, Rui Xiong, Jiangqi Zhao and Jiang Zhou","doi":"10.1039/D5EE00202H","DOIUrl":"10.1039/D5EE00202H","url":null,"abstract":"<p >Aqueous zinc-ion batteries (ZIBs) are emerging as a promising energy storage technology for wearable electronics owing to their intrinsic safety, cost-effectiveness, and biocompatibility. Nevertheless, the uncontrolled deposition of the Zn anode can result in rapid short-circuit failure of ZIBs, posing a significant challenge to its practical implementation. Herein, a cholesteric structure cellulose nanocrystal (C-CNC) film that leverages the strong coordination interactions between the Zn<small><sup>2+</sup></small> ions and profuse polar functional groups on sulfonate-grafted cellulose chains was designed as an artificial interphase layer to maintain a delicate balance between the sluggish transfer of Zn<small><sup>2+</sup></small> ions and the faster reduction kinetics, thereby postponing the interfacial deterioration of Zn<small><sup>2+</sup></small>. The distinctive cholesteric structure endowed the C-CNC film with exceptional mechanical robustness and functions to re-homogenize the interfacial electric field and distribution of Zn<small><sup>2+</sup></small> ion concentration. Benefitting from the above-mentioned electro-chemo-mechanically synergetic effect, the Zn interphase was stabilized owing to the uniform electrodeposition behavior and suppressed side-reaction. Zn anode modified with C-CNC delivered an ultralong cycling stability of up to 1000 hours and a high reversibility of 99.8% average Coulombic efficiency. Consequently, the C-CNC@Zn//MnO<small><sub>2</sub></small> cell demonstrated an excellent capacity retention of 92.0% after 1000 cycles along with desired flexibility. Moreover, a smart wristband was fabricated to demonstrate that the C-CNC films can facilitate further applications of ZIBs in wearable electronics.</p>","PeriodicalId":72,"journal":{"name":"Energy & Environmental Science","volume":" 7","pages":" 3313-3324"},"PeriodicalIF":32.4,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143443779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}