IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-24 DOI: 10.1016/j.carbon.2025.120369

Yuliya V. Fedoseeva, Anna A. Vorfolomeeva, Elena V. Shlyakhova, Mariya A. Grebenkina, Alina D. Nishchakova, Artem V. Gusel'nikov, Alexander V. Okotrub, Lyubov G. Bulusheva

{"title":"Low-temperature performance of brominated nitrogen-doped carbon in lithium-ion batteries","authors":"Yuliya V. Fedoseeva, Anna A. Vorfolomeeva, Elena V. Shlyakhova, Mariya A. Grebenkina, Alina D. Nishchakova, Artem V. Gusel'nikov, Alexander V. Okotrub, Lyubov G. Bulusheva","doi":"10.1016/j.carbon.2025.120369","DOIUrl":"10.1016/j.carbon.2025.120369","url":null,"abstract":"<div><div>The development of appropriate anode material for lithium-ion batteries that can support operation under low ambient temperatures is necessary. Here, bromine-free and bromine-doped porous nitrogen-doped carbon materials were tested as anodes in lithium-ion batteries at the operation temperatures from 25 to −20 °C. The nitrogen-doped carbon material was synthesized from acetonitrile and calcium glutarate and demonstrated high reversible capacity of 907 mAhg<sup>−1</sup> at current density of 0.1 Ag<sup>−1</sup> and 462 mAhg<sup>−1</sup> at 2 Ag<sup>−1</sup>. The content of 2 at% of bromine (Br) in forms of covalently bonded Br atoms and adsorbed Br<sub>n</sub><sup>−</sup> molecules was achieved by interaction of material with Br<sub>2</sub> vapor. The brominated material showed increased capacity of 1101 mAhg<sup>−1</sup> at 0.1 Ag<sup>−1</sup> and 612 mAhg<sup>−1</sup> at 2 Ag<sup>−1</sup> due to additional lithium capture by bromine-containing functional groups. Lowering the operation temperature from 25 to −20 °C resulted in 59 % capacity retention for the initial sample and 51 % for the brominated analogue of their capacity at 2 Ag<sup>−1</sup>. The high capacity retention was explained by fast kinetics of adsorption reaction of lithium with carbon electrodes due to nitrogen- and bromine-based functional groups, and high mesoporosity.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120369"},"PeriodicalIF":10.5,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143881289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Constructing multilevel nanostructures fiber composites for NIR/UV/X-ray multiband electromagnetic protection 构建用于近红外/紫外/ x射线多波段电磁防护的多层纳米结构纤维复合材料

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-24 DOI: 10.1016/j.carbon.2025.120351

Xin Qu , Jinqiu Ye , Yuzhe Huang , Ce Wang , Ping Hu , Rui Zhao , Yong Liu

{"title":"Constructing multilevel nanostructures fiber composites for NIR/UV/X-ray multiband electromagnetic protection","authors":"Xin Qu , Jinqiu Ye , Yuzhe Huang , Ce Wang , Ping Hu , Rui Zhao , Yong Liu","doi":"10.1016/j.carbon.2025.120351","DOIUrl":"10.1016/j.carbon.2025.120351","url":null,"abstract":"<div><div>With the growing threat of electromagnetic interference, developing lightweight and flexible multiband protection materials to shield humans from harmful electromagnetic interference is becoming particularly crucial. However, existing protection materials are bulky and designed primarily for single-band electromagnetic waves. This paper constructs bismuth/tungsten oxide/multi-walled carbon nanotube/polyacrylonitrile (Bi/WO<sub>3</sub>/MWCNTs/PAN) nanofiber composites with multilevel nanostructures through electrospinning and post-processing technology for effective NIR/UV/X-ray Multiband Electromagnetic Protection. The porous structure, combined with the strong absorption capabilities of MWCNTs for low-frequency electromagnetic waves and high photoelectric effects of high atomic number materials (Bi/WO<sub>3</sub>), synergistically achieves remarkable electromagnetic protection performance. This includes 99.6 % near-infrared shielding and 99.95 % against ultraviolet (thickness: 0.12 mm), along with 55.2 % X-ray attenuation and a mass attenuation coefficient of 13.94 cm<sup>2</sup> g<sup>−1</sup> at 33 keV (thickness: 1.92 mm). Light weight (0.3 g cm<sup>−3</sup>), fantastic flexibility, and moisture permeability (9.22 kg m<sup>−2</sup> d<sup>−1</sup>) endow the material with outstanding wearable performance. In addition, Bi/WO<sub>3</sub>/MWCNTs/PAN also possesses excellent thermal insulation performance (36.96 mW m<sup>−1</sup> K<sup>−1</sup>), temperature resistance (289.8 °C), and good electrical insulation. These exceptional performances demonstrate its enormous potential for application in electromagnetic shielding and provide new ideas for designing advanced multiband electromagnetic protection materials.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120351"},"PeriodicalIF":10.5,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143873529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

LiCl modified graphene by wet ball-milling strategy for high performance lithium-ion battery 湿球磨法改性石墨烯制备高性能锂离子电池

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-23 DOI: 10.1016/j.carbon.2025.120367

Wei Wu , Ranlu Zheng , Yixuan Bai , Qingyi Feng , Bo Li , Yongliang Tang , Hongxiang Deng , Xiaotao Zu , Shuangyue Wang , Xia Xiang

{"title":"LiCl modified graphene by wet ball-milling strategy for high performance lithium-ion battery","authors":"Wei Wu , Ranlu Zheng , Yixuan Bai , Qingyi Feng , Bo Li , Yongliang Tang , Hongxiang Deng , Xiaotao Zu , Shuangyue Wang , Xia Xiang","doi":"10.1016/j.carbon.2025.120367","DOIUrl":"10.1016/j.carbon.2025.120367","url":null,"abstract":"<div><div>Graphene-based lithium-ion batteries suffer from the poor initial coulombic efficiency and low mass loading. A convenient method is proposed to replenish the Li loss in the first cycle and improve the cycling stability of high mass loading batteries simultaneously in this work. Graphene is modified by introducing LiCl (G/LC) through a wet ball-milling process, which leads to the formation of hybrid solid electrolyte interface. As a result, the half-cells based on high mass loading G/LC electrodes exhibit obviously improved initial coulombic efficiency (>90 %) and high areal specific capacity of 2.53 mAh cm<sup>−2</sup> at high current density of 0.55 mA cm<sup>−2</sup>. Furthermore, the full-cells based on G/LC anode paired with LiNi<sub>6</sub>Mn<sub>2</sub>Co<sub>2</sub>O<sub>2</sub> cathode deliver a high initial coulombic efficiency of 76.7 %, as well as a high-capacity retention of 97.52 % after 200 cycles, suggesting the potential application of this extend strategy for rechargeable batteries.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120367"},"PeriodicalIF":10.5,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A rigid chiral nanocarbon host: are its properties perturbed by a guest? 刚性手性纳米碳宿主：它的性质会受到客体的干扰吗？

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-23 DOI: 10.1016/j.carbon.2025.120366

Yoshifumi Hashikawa, Yasujiro Murata

引用次数: 0

Tailorable nanoconfinement enables nacreous biomimetic graphene/silicate composites with ultrahigh strength and toughness 定制的纳米约束使珍珠仿生石墨烯/硅酸盐复合材料具有超高强度和韧性

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-23 DOI: 10.1016/j.carbon.2025.120364

Kunkun Song , Junhong Liu , Jiaqi Dong , Yusheng Liang , Tao Du , Hengzhong Fan , Qiangqiang Zhang

{"title":"Tailorable nanoconfinement enables nacreous biomimetic graphene/silicate composites with ultrahigh strength and toughness","authors":"Kunkun Song , Junhong Liu , Jiaqi Dong , Yusheng Liang , Tao Du , Hengzhong Fan , Qiangqiang Zhang","doi":"10.1016/j.carbon.2025.120364","DOIUrl":"10.1016/j.carbon.2025.120364","url":null,"abstract":"<div><div>The superior strength and toughness of biological tissues have provided significant motivation for synthesizing advanced structural materials, while precisely reproducing the hierarchical microstructures of biological materials remains a huge challenge. In this study, we developed a nacre-inspired toughening ceramic composite by precisely combining two brittle compounds (graphene and calcium silicate) after rationally calculating the reduced graphene oxide (rGO) backbone structure through vacuum-assisted perfusion followed by a cold pressing treatment. The calcium silicate was confined within interconnected rGO sheets, resulting in a laminate interpenetrated microstructure with flexural strength and fracture energy over 5 times higher than that of conventional calcium silicate. The biomimetic graphene/calcium silicate composite (GCSC) exhibited significantly improved flexural strength (26.39 MPa), fracture energy (121.0 N/m), fracture toughness (1.5 MPa m<sup>1/2</sup>), and Young's modulus (40 GPa). Through multiscale simulations and nanostructure characterization, the exceptional mechanical properties of GCSC stemmed from the synergistic reinforcement of rGO and confinement-induced crystallization of calcium-silicate-hydrate. The unique mechanical properties of GCSC were identified from both intrinsic (nanoconfined microcavities enhanced silicate crystals) and extrinsic (controllable graphene backbone induced crack deflection) perspectives. The nacre inspired GCSC has paved a new pathway to synthesize biomimetic laminar structure of ceramic composites that possesses high strength and toughness concurrently.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120364"},"PeriodicalIF":10.5,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High strength, high ductility and high conductivity achieved in graphene nanosheets (GNSs)/copper alloy via laser powder bed fusion 采用激光粉末床熔接技术制备石墨烯纳米片/铜合金，实现了高强度、高延展性和高导电性

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-22 DOI: 10.1016/j.carbon.2025.120365

Lizheng Zhang , Haopeng Sheng , Peng Dong , Yong Zeng , Wei Rao , Jimin Chen

{"title":"High strength, high ductility and high conductivity achieved in graphene nanosheets (GNSs)/copper alloy via laser powder bed fusion","authors":"Lizheng Zhang , Haopeng Sheng , Peng Dong , Yong Zeng , Wei Rao , Jimin Chen","doi":"10.1016/j.carbon.2025.120365","DOIUrl":"10.1016/j.carbon.2025.120365","url":null,"abstract":"<div><div>It is a great challenge for the laser-based additive manufacturing of complex copper (Cu) alloy components with high strength and high conductivity due to the low energy absorption rate from their high optical reflectivity and thermal conductivity. In this work, the additive manufacturing Cu alloy with high strength and flexibility, and excellent conductivity was fabricated by doping CuCrZr powder with GNSs. At a GNSs addition level of 0.075 wt%, elongation, tensile strength, and thermal and electrical conductivities of Cu alloy are improved by over 40 %. To reveal the enhancement mechanism of these physical and mechanical properties, both experiment and crystal plasticity modeling were applied to investigate the microstructure and deformation behaviors of these Cu alloys. It is found that the introduction of GNSs enhances laser absorption, thereby resulting in the nucleation and growth of large amounts of slender columnar grains that boost thermal and electrical conductivities. Moreover, the addition of GNSs also induces the formation of fine and dispersed precipitates with high-density dislocation tangles, thereby leading to improved alloy strength. Additionally, increased laser absorption also affects the texture components, which significantly enhances the ductility of Cu alloys. This study demonstrates a method to achieve Cu alloys with high performances by using laser-based additive manufacturing and can promote the application of additive manufacturing of copper alloys.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120365"},"PeriodicalIF":10.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143873527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Pb single-atoms on nitrogen-doped graphene hollow spheres for electromagnetic wave absorption 铅单原子在氮掺杂石墨烯空心球上的电磁波吸收

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-22 DOI: 10.1016/j.carbon.2025.120352

Yidan Sun , Yanan Shi , Xiao Zhang , Fenghui Cao , Letian Huang , Yujin Chen

{"title":"Pb single-atoms on nitrogen-doped graphene hollow spheres for electromagnetic wave absorption","authors":"Yidan Sun , Yanan Shi , Xiao Zhang , Fenghui Cao , Letian Huang , Yujin Chen","doi":"10.1016/j.carbon.2025.120352","DOIUrl":"10.1016/j.carbon.2025.120352","url":null,"abstract":"<div><div>Three-dimensional carbon-based materials have attracted significant interest due to their lightweight nature; however, controlling their morphology while maintaining lightweight characteristics when combined with other materials remains a major challenge in developing materials exhibiting superior capabilities for absorbing electromagnetic waves. In this work, graphene oxide (GO) and polystyrene spheres (PS) were used as precursors to prepare hollow N-doped graphene spheres anchored with non-planar coordination of Pb single-atoms (Pb-N<sub>x</sub>/HCS-D). The resulting Pb-N<sub>x</sub>/HCS-D features a unique hollow structure, exhibits exceptional electromagnetic wave (EMW) absorption properties with a minimum reflection loss (<em>RL</em><sub>min</sub>) of −47.2 dB at 1.5 mm thickness and an effective absorption bandwidth (EAB) of 4.64 GHz at 1.7 mm, with a low filler content of only 10 wt%. This superior performance originates from the non-planar coordination of single Pb atoms and the interconnected hollow carbon sphere framework, synergistically improving impedance matching and enhancing dielectric loss. This study provides an effective method for synthesizing non-planar-coordination of M − single-atoms for high-performance EMW absorption.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120352"},"PeriodicalIF":10.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143863776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Shaping the empty carbon nanocubes: the role of Nitrogen. Insight from X-Ray Raman scattering spectroscopy at the N K-edge 塑造空碳纳米立方体：氮的作用。N - k边缘的x射线拉曼散射光谱

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-22 DOI: 10.1016/j.carbon.2025.120341

Alessandro Longo , Davide Mauri , Christoph J. Sahle , Giulia Tonsi , Federico Bianconi , Nicoletta Ditaranto , Stefano Checchia , Marco Scavini , Mariangela Longhi

{"title":"Shaping the empty carbon nanocubes: the role of Nitrogen. Insight from X-Ray Raman scattering spectroscopy at the N K-edge","authors":"Alessandro Longo , Davide Mauri , Christoph J. Sahle , Giulia Tonsi , Federico Bianconi , Nicoletta Ditaranto , Stefano Checchia , Marco Scavini , Mariangela Longhi","doi":"10.1016/j.carbon.2025.120341","DOIUrl":"10.1016/j.carbon.2025.120341","url":null,"abstract":"<div><div>Carbon nanomaterials have gained significant attention because of their unique tunable properties, including high surface area, excellent electrical conductivity, and chemical stability. These materials are classified by dimension, including 0D carbon quantum dots, 1D nanofibers, 2D nanosheets, and 3D hierarchical nanostructures such as hollow nanocages. Hollow carbon nanocages exhibit distinct characteristics, such as interior cavities and subnanometer channels, which enhance their structural stability and electrocatalytic efficiency. Furthermore, these structures, particularly when doped with heteroatoms like nitrogen, offer promising applications in energy storage, conversion, and sensing technologies. Nitrogen doping significantly influences the electronic properties, creating additional energy levels and active catalytic sites. Doping also facilitates extreme bending of the graphene planes, which improves electrocatalytic performance by enhancing oxygen reduction reactions and increasing active site density. This paper demonstrates, through both experimental and theoretical methods, that nitrogen atoms preferentially accumulate at the edges of carbon nanocages, inducing curvature in the graphitic structure. This finding provides insight into how heteroatom doping can be leveraged to tune the structural and electrochemical properties of carbon nanomaterials for advanced applications.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120341"},"PeriodicalIF":10.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Outside Front Cover - Journal name, Cover image, Volume issue details, ISSN, Cover Date, Elsevier Logo and Society Logo if required 外部封面-期刊名称，封面图片，卷刊细节，ISSN，封面日期，爱思唯尔标志和学会标志（如果需要）

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-21 DOI: 10.1016/S0008-6223(25)00349-5

引用次数: 0

Carbon-nanotube-length dependent interfacial reaction in aluminum matrix composites and its effect on strengthening 铝基复合材料中碳纳米管长度相关的界面反应及其强化效应

IF 10.5 2区材料科学

Carbon Pub Date : 2025-04-21 DOI: 10.1016/j.carbon.2025.120353

Lin Cao , Min Guo , Jie Wan , Jianghua Shen , Shufeng Li , Jinshan Li , Biao Chen

{"title":"Carbon-nanotube-length dependent interfacial reaction in aluminum matrix composites and its effect on strengthening","authors":"Lin Cao , Min Guo , Jie Wan , Jianghua Shen , Shufeng Li , Jinshan Li , Biao Chen","doi":"10.1016/j.carbon.2025.120353","DOIUrl":"10.1016/j.carbon.2025.120353","url":null,"abstract":"<div><div>The interfacial reaction is a critical factor affecting the strengthening effect of carbon nanotubes (CNTs) in metal matrix composites. In this work, the effects of CNT length on the morphology and formation mechanism of interfacial aluminum carbide (Al<sub>4</sub>C<sub>3</sub>) in aluminum (Al) matrix composites were investigated. By observing a vast number of Al<sub>4</sub>C<sub>3</sub> in Al composites which were reinforced with CNTs by different aspect ratios, three kinds of morphologies (skinny, twinned and chunky) were identified. Analyses on intermediate reaction products of these three kinds of Al<sub>4</sub>C<sub>3</sub> revealed that their length increased with the increase of CNT length, but their morphologies had a weak relationship with CNT length. The morphologies were determined by the dispersion state of CNTs, the nucleation sites of Al<sub>4</sub>C<sub>3</sub> and element diffusion modes. Both the two debating mechanisms for Al<sub>4</sub>C<sub>3</sub> formation, viz., carbon-atom-diffusion mechanism and carbon-template-growth mechanism, were confirmed for the rod-shaped skinny and twinned Al<sub>4</sub>C<sub>3</sub>, respectively. Chunky Al<sub>4</sub>C<sub>3</sub> shared a similar formation mechanism with twinned Al<sub>4</sub>C<sub>3</sub> while it formed at CNT cluster. The growing process and strengthening effects of the three kinds of interfacial Al<sub>4</sub>C<sub>3</sub> with different lengths were thoroughly discussed. This study may provide guidance to control the interface in nano-carbon-reinforced Al matrix composites for superior properties.</div></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":"240 ","pages":"Article 120353"},"PeriodicalIF":10.5,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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