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Advancing battery thermal management: Future directions and challenges in nano-enhanced phase change materials-Based systems 推进电池热管理:基于纳米增强相变材料系统的未来方向与挑战
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-14 DOI: 10.1016/j.pmatsci.2024.101388
Mahendran Samykano
The widespread adoption of lithium-ion (Li-ion) batteries in electric and hybrid vehicles has garnered significant attention due to their high energy density, impressive power-to-mass ratio, and extended lifespan. However, challenges like non-uniform temperature distribution, suboptimal energy storage, and slower release rates have surfaced. The rising incidents of battery explosions underscore the urgent need for a thorough understanding of Li-ion battery technology, particularly in thermal management. This knowledge is vital for maintaining batteries within an optimal temperature range, improving operational efficiency, and ensuring stability and safety. This review section meticulously explores critical aspects of battery thermal management, focusing on the process of heat generation and transfer within the cell and module. It also examines the thermal management challenges through active and passive techniques, emphasizing advancements in heat transfer methodologies. The investigation of integrating nano-enhanced phase change materials (NePCMs) with Li-ion batteries is particularly noteworthy as a promising approach to enhance thermal conductivity and management. The review comprehensively elaborates on the functions, strategies, emerging concerns, integration methodologies, and benefits of NePCMs, thoroughly examining their impact on thermal management. This comprehensive review anticipates advancements in this vital domain, envisioning development trends and prospects associated with the application of NePCMs in battery thermal management.
锂离子(Li-ion)电池具有能量密度高、功率质量比大和寿命长等优点,因此在电动汽车和混合动力汽车中的广泛应用备受关注。然而,温度分布不均匀、能量存储不理想以及释放速度较慢等挑战也随之浮出水面。电池爆炸事件的不断增加突出表明,迫切需要全面了解锂离子电池技术,尤其是热管理方面的技术。这些知识对于将电池保持在最佳温度范围内、提高运行效率以及确保稳定性和安全性至关重要。本综述部分细致探讨了电池热管理的关键方面,重点关注电池和模块内部的热量产生和传递过程。它还通过主动和被动技术研究了热管理的挑战,强调了热传递方法的进步。特别值得注意的是,将纳米增强相变材料(NePCM)与锂离子电池相结合的研究,是增强导热性和热管理的一种有前途的方法。本综述全面阐述了 NePCMs 的功能、策略、新出现的问题、集成方法和优势,深入研究了它们对热管理的影响。本综述预测了这一重要领域的进展,展望了与 NePCMs 在电池热管理中的应用相关的发展趋势和前景。
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引用次数: 0
Performance failure mechanisms and mitigation strategies of high-temperature proton exchange membrane fuel cells 高温质子交换膜燃料电池的性能故障机制和缓解策略
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-12 DOI: 10.1016/j.pmatsci.2024.101389
Shufan Wang, Yun Zheng, Chenhui Xv, Haishan Liu, Lingfei Li, Wei Yan, Jiujun Zhang
As one type of promising electrochemical technologies, high temperature proton exchange membrane fuel cells (HT-PEMFCs) have been widely recognized as the next-generation fuel cell technology for clean energy conversion due to their superiorities of fast electrochemical kinetics, simplified water management, good tolerance to feeding gas contaminants, low emission and high efficiency of energy conversion. However, performance failure during long-term operation still largely hinders their practical application. Accordingly, the explorations of advanced materials and structures, degradation mechanisms and mitigation strategies are attracting intensive attentions for promoting the progress of this technology. In addressing the timely update on the emerging progress regrading long-term durability of HT-PEMFCs, a comprehensive review summarizing the most recent developments of performance failure mechanisms and mitigation strategies for critical components of HT-PEMFCs is presented here. In this paper, the fundamentals involving basic reactions, main components, and development history are first summarized for fundamental understanding; then, the failure analysis and the corresponding mitigation strategies for critical components involving proton exchange membrane, catalytic layer, gas diffusion layer, bipolar plate, and thermal/water management systems are mainly emphasized. Furthermore, the technical challenges are analyzed and the further research directions are also proposed for overcoming the challenges toward practical application of HT-PEMFCs.
作为一种前景广阔的电化学技术,高温质子交换膜燃料电池(HT-PEMFCs)以其快速的电化学动力学、简化的水管理、对进气污染物的良好耐受性、低排放和高效率的能量转换等优点,被广泛认为是下一代清洁能源转换燃料电池技术。然而,在长期运行过程中出现的性能故障仍在很大程度上阻碍了其实际应用。因此,对先进材料和结构、降解机理和缓解策略的探索正引起人们的广泛关注,以促进该技术的进步。为了及时更新 HT-PEMFCs 长期耐久性方面的新进展,本文对 HT-PEMFCs 关键部件的性能失效机制和缓解策略的最新发展进行了全面综述。本文首先概述了基本反应、主要组件和发展历史等基本原理,以便从根本上理解;然后,主要强调了质子交换膜、催化层、气体扩散层、双极板和热/水管理系统等关键组件的失效分析和相应的缓解策略。此外,还分析了 HT-PEMFCs 所面临的技术挑战,并提出了进一步的研究方向,以克服这些挑战,实现 HT-PEMFCs 的实际应用。
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引用次数: 0
Advances in high entropy oxides: synthesis, structure, properties and beyond 高熵氧化物研究进展:合成、结构、特性及其他
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-10 DOI: 10.1016/j.pmatsci.2024.101385
Chang Liu , Shun Li , Yunpeng Zheng , Min Xu , Hongyang Su , Xiang Miao , Yiqian Liu , Zhifang Zhou , Junlei Qi , Bingbing Yang , Di Chen , Ce-Wen Nan , Yuan-Hua Lin
The unique structural features of high entropy oxides (HEOs) offer opportunities for flexible and precise structure control, thereby fostering a broad spectrum of structure–property tuning. This review surveys the extensive research carried out on HEOs, from initial exploration to recent advancement, summarizing progress in the refinement of synthesis techniques, elucidation of the high entropy effect, and understanding of atomic structures at multiple scales. Leveraging the impact of high entropy effect on structures, HEOs exhibit a wide range of properties from thermal to electrical, which have potential applications in fields such as thermoelectrics, dielectrics, energy storage, lithium batteries, catalysis, magnetism and supercapacitors. The correlations between structure and property are analyzed, and potential property-property relations are examined. Finally, we underscore the key challenges and unresolved questions that future research needs to address.
高熵氧化物(HEOs)的独特结构特征为灵活而精确的结构控制提供了机会,从而促进了广泛的结构-性能调整。本综述对高熵氧化物从最初的探索到最近的进展所开展的广泛研究进行了调查,总结了在完善合成技术、阐明高熵效应和理解多尺度原子结构方面取得的进展。利用高熵效应对结构的影响,HEOs 表现出从热到电的广泛特性,在热电、电介质、储能、锂电池、催化、磁性和超级电容器等领域具有潜在的应用前景。我们分析了结构与性能之间的相关性,并研究了潜在的性能-性能关系。最后,我们强调了未来研究需要解决的关键挑战和未决问题。
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引用次数: 0
Exploring the synthesis, properties, and potential of chitosan-functionalized metal-organic frameworks in emerging applications 探索壳聚糖功能化金属有机框架的合成、特性及其在新兴应用领域的潜力
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-09 DOI: 10.1016/j.pmatsci.2024.101387
Anbazhagan Sathiyaseelan , Xin Zhang , Yuting Lu , Nazeer Abdul Azeez , Lina Zhang , Gopal Shankar Krishnakumar , Myeong-Hyeon Wang
Chitosan (CS), a natural cationic biopolymer derived from chitin, has emerged as a promising component for synthesizing biological/bioinspired metal–organic frameworks (BioMOFs). CS’s biodegradability, low toxicity, mucoadhesive properties, and biocompatibility due to its amino and hydroxyl groups make it ideal for developing BioMOFs with applications in biomedicine, catalysis, sensing, food and environmental remediation. CS-based MOFs combine the structural diversity and tunability of MOFs (metal ions and organic linkers) with CS’s inherent advantages, expanding the possibilities for designing functional materials with tailored properties. Incorporating CS into MOF synthesis modulates surface chemistry, pore size, structure, stability, and biocompatibility, making BioMOFs suitable for various biomedical applications (therapeutics, stimuli-responsive drug delivery, antibacterial, anti-inflammatory, wound healing, antidiabetic, and anticancer), food technology (preservation, coating and packaging), and environmental remediation (dye, antibiotic, pesticide removal as sorbents and photocatalysts). This review explores the preparation, properties, and applications of biopolymer CS-based MOFs, which have not been comprehensively summarized in previous reviews. We discuss the potential applications of BioMOFs in biomedicine, environmental remediation, and other fields, highlighting their versatility and potential impact. By comprehensively analyzing recent advancements and challenges in CS-based MOFs, this review aims to provide insights into future directions and opportunities for leveraging CS’s unique properties in MOF design and applications.
壳聚糖(CS)是一种天然阳离子生物聚合物,已成为合成生物/生物启发金属有机框架(BioMOFs)的理想成分。CS 易于获取、可生物降解、毒性低、具有粘液粘附性,而且其氨基和羟基具有生物相容性,因此非常适合开发生物有机框架,应用于生物医学、催化、传感和环境修复等领域。基于希尔思的 MOF 将 MOF 的结构多样性和可调性(金属离子和有机连接体)与希尔思的固有优势相结合,为设计具有定制特性的功能材料提供了更多可能性。在 MOF 合成中加入 CS 可调节表面化学性质、孔径、结构、稳定性和生物相容性,从而使 BioMOFs 适合于各种生物医学应用(治疗、刺激响应式给药、抗菌、消炎、伤口愈合、抗糖尿病和抗癌)、食品技术(保鲜和包装)和环境修复(作为吸附剂和光催化剂去除染料、抗生素和农药)。本综述探讨了基于生物聚合物 CS 的 MOFs 的制备、特性和应用,以往的综述尚未对其进行全面总结。我们讨论了 BioMOFs 在生物医学、环境修复和其他领域的潜在应用,强调了它们的多功能性和潜在影响。本综述全面分析了基于希尔思的 MOFs 的最新进展和挑战,旨在为利用希尔思的独特性质进行 MOF 设计和应用的未来方向和机遇提供见解。
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引用次数: 0
Lignin/polysaccharide composite: A nature-made match toward multifunctional bio-based materials 木质素/多糖复合材料:与自然相匹配的多功能生物基材料
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-05 DOI: 10.1016/j.pmatsci.2024.101383
Shixu Yu , Lu Chen , Yimin Xie , Qinghua Feng , Chaoji Chen
During the evolutionary development of plants, lignin emerged, engaging in a remarkable synergy with polysaccharides. This union enhanced the adaptability of plants to harsh environments through a complementary relationship. Lignin addresses the inherent limitations of polysaccharides, providing hydrophobicity, ultraviolet (UV) resistance, and environmental stability. Building on this natural paradigm, we explore the development of artificial lignin/polysaccharide composites (LPCs), encompassing a range of combinations such as lignin/cellulose, lignin/chitosan, lignin/starch, lignin/alginate, lignin/agarose, and lignin/carrageen composites. This review provides a comprehensive examination of lignin’s origins, understanding, properties, and the advancements and challenges faced by polysaccharides. We detail the fabrication of LPCs from lignin and natural polysaccharides, discussing their construction strategies, properties, and potential applications. Furthermore, we highlight existing challenges and future opportunities for the improved utilization of LPCs. Our aim is to catalyze the effective use of lignin and natural polysaccharides, offering fresh insights for the innovation of next-regeneration LPCs.
在植物的进化发展过程中,木质素与多糖产生了显著的协同作用。这种结合通过互补关系增强了植物对恶劣环境的适应能力。木质素解决了多糖固有的局限性,包括疏水性、抗紫外线(UV)性和环境稳定性。在这一自然范例的基础上,我们探索了人工木质素/多糖复合材料(LPC)的开发,包括一系列组合,如木质素/纤维素、木质素/壳聚糖、木质素/淀粉、木质素/海藻酸、木质素/琼脂糖和木质素/卡拉胶复合材料。本综述全面探讨了木质素的起源、认识、特性以及多糖所取得的进步和面临的挑战。我们详细介绍了利用木质素和天然多糖制造 LPC 的情况,讨论了其制造策略、特性和潜在应用。此外,我们还强调了改进 LPCs 利用的现有挑战和未来机遇。我们的目标是促进木质素和天然多糖的有效利用,为下一代 LPC 的创新提供新的见解。
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引用次数: 0
Multiscale structural regulation of Two-Dimensional materials for photocatalytic reduction of CO2 用于光催化还原二氧化碳的二维材料的多尺度结构调控
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-05 DOI: 10.1016/j.pmatsci.2024.101386
Junyan Wu , Lina Zhao , Xu Gao, Yuxin Li
The photocatalytic conversion of carbon dioxide (CO2) into sustainable fuels and chemicals is a promising method to enhance the natural carbon cycle and combat global warming. This approach involves developing efficient, stable, and cost-effective photocatalysts, with two-dimensional (2D) materials like graphitic carbon nitride (g-C3N4) and hydrotalcite standing out owing to their extensive surface areas and superior charge separation and transfer capabilities. The thinness of these materials shortens carrier transport paths, improves CO2 and water adsorption and activation, lowers energy barriers, and selectively enhances specific reactions. However, focusing solely on thickness might oversimplify the issue, as morphology, edge structures, active site exposure, and interfacial effects also play crucial roles in photocatalytic performance. Adjusting electronic structures through nanoscale parameters like thickness is vital, but a comprehensive consideration of these complex interactions is essential. While previous studies have examined the performance and optimization of 2D materials, in-depth analyses of thickness and structure–activity relationships are lacking, which hinders advanced catalyst design. This review discusses the structural characteristics of various 2D nanomaterials, their role in promoting electron-hole pair separation, rapid electron migration, and effective CO2 adsorption, and also evaluates future prospects of these materials in fuel utilizations and the challenges.
通过光催化将二氧化碳(CO2)转化为可持续燃料和化学品,是加强自然碳循环和应对全球变暖的一种前景广阔的方法。这种方法涉及开发高效、稳定和具有成本效益的光催化剂,而石墨氮化碳(g-C3N4)和氢铝酸盐等二维(2D)材料因其广泛的表面积和卓越的电荷分离和转移能力而脱颖而出。这些材料的薄度缩短了载流子传输路径,改善了二氧化碳和水的吸附和活化,降低了能量障碍,并选择性地增强了特定反应。然而,仅仅关注厚度可能会使问题过于简单化,因为形态、边缘结构、活性位点暴露和界面效应也对光催化性能起着至关重要的作用。通过厚度等纳米参数调整电子结构固然重要,但全面考虑这些复杂的相互作用也至关重要。虽然以往的研究已经考察了二维材料的性能和优化,但缺乏对厚度和结构-活性关系的深入分析,这阻碍了催化剂的先进设计。本综述讨论了各种二维纳米材料的结构特征、它们在促进电子-空穴对分离、快速电子迁移和有效吸附二氧化碳方面的作用,还评估了这些材料在燃料利用方面的未来前景和挑战。
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引用次数: 0
Advanced Mg-based materials for energy storage: fundamental, progresses, challenges and perspectives 用于储能的先进镁基材料:基础、进展、挑战与展望
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-01 DOI: 10.1016/j.pmatsci.2024.101381
Junrui Zhang , Mili Liu , Jiacheng Qi , Nuo Lei , Shengrong Guo , Jiangfeng Li , Xuezhang Xiao , Liuzhang Ouyang
Magnesium (Mg)-based materials exhibit higher hydrogen-storage density among solid-state hydrogen-storage materials (HSMs). Highly reliable hydrolysis can be achieved using them for hydrogen production. They can also achieve the integration of hydrogen production and storage via the regeneration. Furthermore, rechargeable magnesium batteries (RMBs), which possess desirable qualities that exhibit immense potential in addressing challenges related to lithium resource scarcity. However, limitations like high desorption temperature, poor cycle life, low hydrolysis rate, and propensity for passivation layer on Mg anodes, hinder their large-scale use as promising energy storage materials (ESMs). Herein, the review offers a comprehensive summary and analysis of the latest research in Mg-based materials for hydrogen storage, production, regeneration and RMBs. We summarize the impact of different methodologies on the thermodynamic and kinetic properties of MgH2. In particular, we thoroughly investigate the commonly used methods for enhancing the hydrolysis efficiency of Mg/MgH2. The currently research status on the regeneration of borohydrides by Mg-based materials is also summarized. In addition, the advantages and disadvantages of utilizing Mg as anode material in RMBs are also evaluated. This review aims to provide a fundamental insight of Mg-based materials and technologies and offer new strategies for promoting the sustainable development of advanced Mg-based materials.
在固态储氢材料(HSMs)中,镁(Mg)基材料具有更高的储氢密度。使用它们可以实现高可靠性的水解制氢。它们还可以通过再生实现制氢和储氢一体化。此外,可充电镁电池(RMB)具有理想的品质,在应对与锂资源稀缺有关的挑战方面具有巨大潜力。然而,由于解吸温度高、循环寿命短、水解率低、镁阳极易产生钝化层等限制,阻碍了它们作为前景广阔的储能材料(ESM)的大规模应用。本综述全面总结和分析了用于氢气存储、生产、再生和人民币的镁基材料的最新研究。我们总结了不同方法对 MgH2 热力学和动力学特性的影响。特别是,我们深入研究了提高 Mg/MgH2 水解效率的常用方法。我们还总结了镁基材料再生硼氢化物的研究现状。此外,还评估了在人民币中使用镁作为阳极材料的优缺点。本综述旨在提供对镁基材料和技术的基本认识,并为促进先进镁基材料的可持续发展提供新策略。
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引用次数: 0
Inorganic sonosensitizer nanomaterials for sonodynamic therapy of diseases beyond cancer 用于癌症以外疾病声动力疗法的无机声敏化剂纳米材料
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-10-01 DOI: 10.1016/j.pmatsci.2024.101384
Alejandro Sosnik, Ivan Zlotver, Harischandra Potthuri
Ultrasound (US) is a technology that utilizes sound waves above 20 kHz and has extensive applications in medical imaging and therapy. Sonodynamic Therapy (SDT) uses low-intensity US to locally activate sono-responsive molecules or nanomaterials (the sonosensitizer), inducing the production of reactive oxygen species (ROS) in the biological microenvironment, and triggering a biological response. As opposed to light, which is used in photodynamic therapy, US exhibits deep tissue penetration and thus, enables the stimulation of sonosensitizers that undergo accumulation in internal tissues and organs, and making of SDT a minimally invasive intervention. The types and the spatiotemporal release of ROS can be tuned by the rational selection of the sonosensitizer and its dose as well as US parameters such as frequency, intensity, and irradiation time and it can be capitalized on to affect different cellular pathways, including triggering cancer cell apoptosis. The most traditional sonosensitizers are organic small molecules such as porphyrin precursors (e.g., 5-aminolevulinic acid) and porphyrins, though they often display chemical instability, sonobleaching and high cell toxicity. In addition, the ability to control their biodistribution and accumulation in the target body site is low. To overcome this, they are often encapsulated within lipidic or polymeric nanoparticles of controlled size and surface properties. However, their sonodynamic efficiency is jeopardized. To overcome these drawbacks, ceramic, metallic and hybrid ceramic/metallic and ceramic/polymeric nano-sonosensitizers with better physicochemical stability, no sonobleaching and tunable nanostructure, size, surface functionality, and energy bandgap are under extensive investigation. Even though ROS are involved in a broad spectrum of cellular processes in health and disease, SDT has been mainly investigated as a local anticancer treatment with more limited off-target systemic side-effects than chemotherapy. In this scenario, while both the sonosensitizer and the US are harmless, their combination leads to cancer cell death. At the same time, SDT shows promise also in treating soft and especially hard tissue infections where antibiotics are less effective due to their limited penetration, reprogramming of macrophages and promoting wound healing, reducing inflammation, and neuronal stimulation. This review initially describes the use of inorganic sonosensitizers in SDT, while emphasizing their fundamental structural features to effectively produce ROS upon therapeutic US activation. Then, their application in the treatment of disease with focus on less investigated fields such as infections and wound and bone healing, inflammation, and neuronal diseases are overviewed.
超声波(US)是一种利用 20 千赫以上声波的技术,在医学成像和治疗方面有着广泛的应用。声动力疗法(SDT)利用低强度超声波局部激活声响应分子或纳米材料(声敏化剂),诱导生物微环境中活性氧(ROS)的产生,引发生物反应。与光动力疗法中使用的光不同,超声波具有深层组织穿透力,因此能刺激声敏化剂在内部组织和器官中积聚,使 SDT 成为一种微创疗法。ROS 的类型和时空释放可通过合理选择声纳敏化剂及其剂量以及频率、强度和照射时间等 US 参数来调节,并可利用其影响不同的细胞通路,包括引发癌细胞凋亡。最传统的声波增敏剂是有机小分子,如卟啉前体(如 5-氨基乙酰丙酸)和卟啉,但它们往往显示出化学不稳定性、可漂白性和高细胞毒性。此外,控制它们在靶体部位的生物分布和积累的能力也很低。为了克服这一问题,通常将它们封装在大小和表面特性可控的脂质或聚合物纳米颗粒中。然而,它们的声动力学效率会受到影响。为了克服这些缺点,目前正在广泛研究具有更好的物理化学稳定性、无声漂白以及可调纳米结构、尺寸、表面功能和能带隙的陶瓷、金属和陶瓷/金属及陶瓷/聚合物混合纳米声敏剂。尽管 ROS 参与了健康和疾病中广泛的细胞过程,但 SDT 主要是作为一种局部抗癌疗法进行研究的,与化疗相比,它的脱靶系统副作用更为有限。在这种情况下,虽然声波增敏剂和 US 都是无害的,但它们的结合会导致癌细胞死亡。与此同时,SDT 在治疗软组织,尤其是硬组织感染方面也大有可为,因为抗生素的渗透力有限,在治疗软组织感染方面效果较差;SDT 还能对巨噬细胞进行重编程,促进伤口愈合、减轻炎症和刺激神经元。本综述首先介绍了无机声敏化剂在 SDT 中的应用,同时强调了它们在治疗性 US 激活时有效产生 ROS 的基本结构特征。然后,概述了它们在疾病治疗中的应用,重点关注研究较少的领域,如感染、伤口和骨愈合、炎症和神经元疾病。
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引用次数: 0
The concept of high entropy for rechargeable batteries 可充电电池的高熵概念
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-09-30 DOI: 10.1016/j.pmatsci.2024.101382
Huangxu Li , Xueliang Sun , Haitao Huang
The development of revolutionary rechargeable battery technology is essential for achieving a carbon-neutral society. Despite significant progress in diverse rechargeable batteries over the past decades, electrochemical stability, ionic/electronic conductivity, reaction rates, crystal phase stability, etc. remain major challenges. The concept of high entropy has emerged as a new approach to addressing diverse scientific and engineering challenges of rechargeable batteries by virtue of its unique properties. This review aims to provide a timely and comprehensive understanding of the properties, development, and applications of high entropy materials/strategies in rechargeable batteries. The fundamental concepts of high entropy, including high entropy materials, high entropy doping/substitution, high entropy stabilization, high entropy interlocking, high entropy liquids, etc. are introduced. The state-of-the-art development of high-entropy concepts in rechargeable batteries, including Li/Na/K/Zn-ion batteries, Li-S batteries, Li-O2 and Zn-air batteries, covering anode materials, cathode materials, liquid electrolytes, solid electrolytes, and catalysts are systematically introduced, with an emphasis on the role and principles of high entropy in solving specific scientific/engineering problems. Their unique properties and functions for battery applications are summarized, and challenges and opportunities of high entropy concepts for rechargeable batteries are also proposed to promote the development of this intriguing field.
开发革命性的充电电池技术对于实现碳中和社会至关重要。尽管过去几十年来各种可充电电池取得了重大进展,但电化学稳定性、离子/电子传导性、反应速率、晶相稳定性等仍是主要挑战。高熵的概念凭借其独特的特性,已成为应对各种充电电池科学和工程挑战的新方法。本综述旨在及时、全面地介绍充电电池中高熵材料/策略的特性、开发和应用。文中介绍了高熵的基本概念,包括高熵材料、高熵掺杂/替代、高熵稳定、高熵互锁、高熵液体等。系统介绍了充电电池(包括锂/纳/钾/锌离子电池、锂-S 电池、锂-O2 电池和锌-空气电池)中高熵概念的最新发展,涵盖正极材料、负极材料、液态电解质、固态电解质和催化剂,重点介绍了高熵在解决具体科学/工程问题中的作用和原理。总结了它们在电池应用中的独特性质和功能,并提出了高熵概念在可充电电池中的挑战和机遇,以促进这一有趣领域的发展。
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引用次数: 0
Next generation phase change materials: State-of-the-art towards sustainable future 下一代相变材料:实现可持续未来的最新技术
IF 33.6 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Pub Date : 2024-09-29 DOI: 10.1016/j.pmatsci.2024.101380
B. Kalidasan, A.K. Pandey
Phase change materials (PCMs) show promise for thermal energy storage (TES) owing to their substantial latent heat during phase transition. However, the power density and overall storage efficiency are constrained by low thermal conductivity, leakage issues and phase instability of most viable PCMs. While extensive research focuses on enhancing heat capacity, cooling power, and system integration, many innovative PCMs, including porous, silica-based, metal organic framework based PCM, photo switchable PCM, magnetically multifunctional PCM remain, bio-inspired materials, 3D printed PCM and flexible PCMs remain underexplored. This necessitates a comprehensive review to project the innovative role of PCM based on existing knowledge, identified gaps, and chart a roadmap for future research directions. This review highlights the potential of these advanced PCMs, emphasizing their application in spacecraft, photonics, paint emulsions, biomedical fields, cotton fabrics, smart packaging, and solar energy systems, while also identifying gaps and suggesting future research directions. Advanced functional PCMs are expected to efficiently facilitate thermal regulation and thermal energy storage, subsequently contributing towards sustainable energy utilization.
相变材料(PCM)在相变过程中会产生大量潜热,因此有望用于热能储存(TES)。然而,由于大多数可行的 PCM 材料导热率低、泄漏问题和相位不稳定,其功率密度和整体存储效率受到限制。虽然大量研究集中在提高热容量、冷却功率和系统集成方面,但许多创新型 PCM,包括多孔硅基、金属有机框架基 PCM、光电开关 PCM、磁性多功能 PCM、生物启发材料、3D 打印 PCM 和柔性 PCM 等,仍未得到充分探索。因此,有必要进行全面综述,根据现有知识预测 PCM 的创新作用,找出差距,并为未来的研究方向绘制路线图。本综述强调了这些先进 PCM 的潜力,重点介绍了它们在航天器、光子学、涂料乳液、生物医学领域、棉织物、智能包装和太阳能系统中的应用,同时还找出了差距,并提出了未来的研究方向。先进的功能性 PCM 可望有效促进热调节和热能储存,从而为可持续能源利用做出贡献。
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Progress in Materials Science
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