Materials Science and Engineering: R: Reports最新文献_第6页

Laser-based engineering strategies for biomedical and healthcare devices 基于激光的生物医学和医疗设备工程策略

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-10-07 DOI: 10.1016/j.mser.2025.101122

Sangmin Song , Kyung Yeun Kim , Hakbeom Lee , Sangwoo Hong , Sang Jin Yoon , Suk-Won Hwang , Jung Bin In , Hojeong Jeon , Seung Hwan Ko

Biomedical and healthcare devices are evolving with the advancement of materials science and manufacturing technologies. These advances have led to the development of soft, conformable electronics capable of interfacing with dynamic biological tissues and reliably monitoring physical, electrical, and biochemical signals during continuous body motion for real-time health monitoring. Among various manufacturing technologies to fabricate bioelectronic devices, laser fabrication has emerged as a powerful manufacturing system because of its wide usability from rapid prototyping to unprecedented spatial patterning capabilities. Thus, understanding the basic principles of laser fabrication and state-of-the-art technology is important to further develop bioelectronic devices. In this review, we provide a comprehensive overview of laser-based functional bioelectronics for medical and healthcare devices. First, we discuss the fundamentals of laser-material interaction for material fabrication and modulation. Various examples of laser processing techniques also follow, covering topics ranging from simple structuring to phase modulation. Then, we summarize several requirements for bioelectronic devices to be applied to human body. We introduce recent advances in functional bioelectronics applications based on laser processing technology, including biophysical sensors, biochemical sensors, and energy devices. Finally, we outline challenges and future perspectives for advanced bioelectronic devices, providing insight into the directions in which these technologies are expected to evolve.

随着材料科学和制造技术的进步，生物医学和医疗保健设备也在不断发展。这些进步导致了软性、适应性强的电子产品的发展，这些电子产品能够与动态生物组织连接，并在连续的身体运动过程中可靠地监测物理、电子和生化信号，从而实现实时健康监测。在制造生物电子器件的各种制造技术中，激光制造已经成为一种强大的制造系统，因为它具有广泛的可用性，从快速成型到前所未有的空间图案能力。因此，了解激光制造的基本原理和最新技术对于进一步开发生物电子器件非常重要。在这篇综述中，我们提供了基于激光的医疗保健设备功能生物电子学的全面概述。首先，我们讨论了用于材料制造和调制的激光-材料相互作用的基本原理。激光加工技术的各种例子也跟着，涵盖的主题范围从简单的结构到相位调制。然后，总结了应用于人体的生物电子器件的几个要求。我们介绍了基于激光加工技术的功能生物电子学应用的最新进展，包括生物物理传感器、生物化学传感器和能量器件。最后，我们概述了先进生物电子器件的挑战和未来前景，并提供了这些技术发展方向的见解。

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引用次数: 0

Achieving high-performance bio-inspired perovskite solar cells via molecular-level dual-function interface engineering 通过分子级双功能界面工程实现高性能生物启发钙钛矿太阳能电池

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-10-06 DOI: 10.1016/j.mser.2025.101129

Ziyan Liu , Qingyuan Zhao , Yuting Song , Shin-ichi Sasaki , Ayumi Ishii , Naoyuki Shibayama , Xianzhao Wang , Masashi Ikegami , Nao Saito , Shengnan Duan , Hitoshi Tamiaki , Tsutomu Miyasaka , Xiao-Feng Wang

The performance of inverted perovskite solar cells (PSCs) employing bio-inspired chlorophyll (Chl)-based hole transport materials (HTMs) is frequently limited by interfacial losses and non-radiative recombination. We address this challenge through a molecular-level interface engineering strategy, implementing a novel dopant-free, dual-function polymeric HTM. Synthesized via electrochemical polymerization, the polymeric copper serinyl pyropheophorbide-a features an extended π-conjugated framework for efficient hole extraction. Subsequent surface modification with trifluoroacetate anions at the amino acid terminals generates Lewis base sites that coordinate with undercoordinated Pb^2 + ions at the HTM/perovskite interface, enabling simultaneous defect passivation and crystallization control. The optimized devices achieve a champion power conversion efficiency (PCE) of 24.5 %—a record for Chl-based HTMs—with an exceptional fill factor of 85.3 %. Crucially, these PSCs demonstrate outstanding operational stability, retaining 93.2 % of their initial PCE after 2700 h under ambient conditions (unencapsulated). By elucidating the structure-property-performance relationships, this work not only underscores the significant potential of dopant-free Chl-derived materials for next-generation photovoltaics but also provides generalizable insights into multifunctional interfacial modification for highly efficient and stable perovskite devices.

采用生物启发叶绿素（Chl）基空穴传输材料（HTMs）的倒置钙钛矿太阳能电池（PSCs）的性能经常受到界面损失和非辐射重组的限制。我们通过分子级界面工程策略解决了这一挑战，实现了一种新型的无掺杂、双功能聚合物HTM。通过电化学聚合合成的丝氨酸基焦磷铜-a具有扩展π共轭框架，可有效提取空穴。随后在氨基酸末端用三氟乙酸阴离子进行表面修饰，生成刘易斯碱基位点，与HTM/钙钛矿界面上的欠配位Pb2 +离子配合，同时实现缺陷钝化和结晶控制。优化后的器件实现了24.5% %的冠军功率转换效率(PCE) -这是基于chl的html的记录-具有85.3 %的特殊填充因子。至关重要的是，这些psc表现出出色的操作稳定性，在环境条件下（未封装）2700 h后，其初始PCE保持在93.2 %。通过阐明结构-性能-性能关系，这项工作不仅强调了无掺杂chl衍生材料在下一代光伏电池中的巨大潜力，而且为高效稳定的钙钛矿器件的多功能界面修饰提供了可推广的见解。

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引用次数: 0

Terpolymer donors incorporating Dichloroquinoxaline segments enable 19.10% efficiency all-polymer solar cells with extremely high open-circuit voltage of 0.986 V 含二氯喹啉段的三元共聚物供体使全聚合物太阳能电池具有19.10%的效率和极高的开路电压0.986 V

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-30 DOI: 10.1016/j.mser.2025.101127

Chentong Liao , Wuke Qiu , Xingjian Dai , Zhaolong Liu , Hongli Wang , Min Deng , Xiaopeng Xu , Qiang Peng

All-polymer solar cells (all-PSCs) possess mechanical flexibility and manufacturing advantages, yet their power conversion efficiency (PCE) still lags behind perovskite solar cells due to high energy loss (E_loss) and trade-off between open-circuit voltage (V_OC) and short-circuit current density (J_SC). This work addresses these limitations by developing terpolymers incorporating 6,7 difluoro-2-((2-hexyldecyl)oxy)-3-methylquinoxaline (Qx) segment (PM6-Qx5, PM6-Qx10, PM6-Qx15) into PM6 main chain. The introduced Qx is expected to lower the HOMO energy level, enhance quinoid resonance and strengthen intermolecular dipole interactions. The results confirm that all terpolymers achieve a lower-lying HOMO energy level, exhibited strong electrostatic potential and demonstrated excellent miscibility with the PY-DT. PM6-Qx10 has achieved the optimal balance between intramolecular and intermolecular interactions compared to PM6, forming a favorable fibrous network morphology for charge generation and transport, while simultaneously reducing non-radiative recombination. The PM6-Qx10:PY-DT device has achieved a high PCE of 19.10 %, with an extremely high V_OC of 0.986 V. Meanwhile, the E_loss is as low as 0.486 eV. Our study not only demonstrates an effective strategy for reducing E_loss in all-PSCs, optimizing active layer morphology, and simultaneously improving V_OC, J_SC and FF, but also provides valuable theoretical guidance for the molecular engineering principles of higher performance all-polymer photovoltaic cells.

全聚合物太阳能电池（all-PSCs）具有机械柔性化和制造优势，但由于能量损耗大、开路电压（VOC）和短路电流密度（JSC）之间的权衡，其功率转换效率（PCE）仍落后于钙钛矿太阳能电池。本工作通过开发含有6,7 二氟-2-（（2-己基癸基）氧）-3-甲基喹啉（Qx）段（PM6- qx5, PM6- qx10, PM6- qx15）的三聚体来解决这些限制。引入的Qx有望降低HOMO能级，增强醌共振，加强分子间偶极子相互作用。结果证实，所有三聚体均具有较低的HOMO能级，具有较强的静电势，并与PY-DT具有良好的混相性。与PM6相比，PM6- qx10实现了分子内和分子间相互作用的最佳平衡，形成了有利于电荷产生和传输的纤维网络形态，同时减少了非辐射重组。PM6-Qx10:PY-DT器件的PCE高达19.10 %，VOC高达0.986 V。同时，loss低至0.486 eV。我们的研究不仅为降低全聚合物光伏电池的损耗、优化活性层形态、同时提高VOC、JSC和FF提供了有效的策略，而且为高性能全聚合物光伏电池的分子工程原理提供了有价值的理论指导。

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引用次数: 0

Recent advances in catalysts and interface engineering for high-performance proton exchange membrane water electrolyzers 高性能质子交换膜水电解槽催化剂及界面工程研究进展

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-30 DOI: 10.1016/j.mser.2025.101124

Muhammad Arshad , Akbar Bashir , Haseebul Hassan , Shuiping Luo , Muhammad Bilal , Muhammad Wasim , Wen Chen , Lei Xie , Jing-Li Luo , Xian-Zhu Fu

Proton exchange membrane (PEM) water electrolysis has emerged as the most promising technology for sustainable hydrogen production, enabling the decarbonization of energy systems and hard-to-abate industrial sectors. This comprehensive review critically examines recent breakthroughs and persistent challenges across the entire PEMWE value chain, from advanced materials to system integration and large-scale deployment. We present a detailed analysis of cutting-edge developments in electrocatalysts, including atomically dispersed Ir/Ru oxides, high-entropy alloys, and non-precious metal alternatives that achieve superior activity and stability while reducing noble metal loadings to ≤ 0.1 mg cm⁻². This study systematically evaluates advanced membrane innovations, including ultrathin reinforced perfluorosulfonic acid (PFSA) and hydrocarbon-based alternatives, which achieve simultaneous high proton conductivity and exceptional mechanical durability. A special focus is placed on engineering solutions for porous transport layers and bipolar plates that address critical mass transport limitations at high current densities (≥ 3.0 A cm⁻²). Beyond component-level advances, we analyse system integration strategies, including dynamic operation (0–200 % rated power), hybrid renewable energy coupling, and high-pressure electrolysis (up to 100 bar), that enhance efficiency and economic viability. We provide a critical assessment of key technological barriers, including membrane degradation mechanisms, catalyst dissolution pathways, and the iridium supply chain crisis, while proposing mitigation strategies through advanced manufacturing and alternative approaches. By integrating fundamental research with industrial perspectives, we present a deployment roadmap that underscores the essential interplay of materials innovation, policy frameworks, and market mechanisms to unlock PEMWE’s potential for the global energy transition.

质子交换膜（PEM）电解已成为最有前途的可持续制氢技术，使能源系统脱碳和难以减排的工业部门成为可能。这篇全面的综述严格审查了整个PEMWE价值链的最新突破和持续挑战，从先进材料到系统集成和大规模部署。我们详细分析了电催化剂的最新发展，包括原子分散的Ir/Ru氧化物、高熵合金和非贵金属替代品，这些替代品在将贵金属负载降低到≤ 0.1 mg cm−2的同时，实现了卓越的活性和稳定性。这项研究系统地评估了先进的膜创新，包括超薄增强全氟磺酸（PFSA）和碳氢化合物基替代品，它们同时实现了高质子导电性和卓越的机械耐久性。特别关注多孔传输层和双极板的工程解决方案，以解决高电流密度（≥3.0 A cm−2）下的临界质量传输限制。除了组件级的进步，我们还分析了系统集成策略，包括动态操作（0-200 %额定功率），混合可再生能源耦合和高压电解（高达100 bar），这些策略提高了效率和经济可行性。我们对关键技术障碍进行了关键评估，包括膜降解机制、催化剂溶解途径和铱供应链危机，同时提出了通过先进制造和替代方法缓解战略。通过将基础研究与工业观点相结合，我们提出了一个部署路线图，强调了材料创新、政策框架和市场机制之间的基本相互作用，以释放PEMWE在全球能源转型中的潜力。

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引用次数: 0

Advances in polysaccharide-based food packaging: Functionalization strategies and sustainability considerations 基于多糖的食品包装的进展：功能化策略和可持续性考虑

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-30 DOI: 10.1016/j.mser.2025.101128

Hossein Baniasadi , Roozbeh Abidnejad , Mahyar Fazeli , Jukka Niskanen , Erlantz Lizundia

The food packaging industry generates escalating environmental challenges due to the pervasive use of single-use petroleum-derived plastics, which contribute to climate change, pollution, and microplastic contamination. Polysaccharides have emerged as promising renewable alternatives for food packaging materials. This review critically evaluates recent advances regarding functionalization strategies aimed at improving the mechanical, barrier, and functional properties of polysaccharide-based packaging films. Special attention is paid to chemical modification, blending with bioactive agents, and incorporation of nanomaterials. These strategies significantly enhance the material properties and extend the functionality of polysaccharide-based films, such as antimicrobial, UV-blocking, and pH-indicating capabilities. Life cycle assessment (LCA) and material circularity considerations are provided to compare the environmental sustainability of polysaccharide-based packaging against conventional petroleum-derived plastics, highlighting the environmental trade-offs associated with the adoption of biopolymer-based materials. Additionally, the review critically examines the current limitations and challenges related to scaling up production and achieving cost-effectiveness, thus offering insights into the practical implementation of these materials in the food packaging industry. Finally, key research opportunities are identified, emphasizing the need for further studies to address the challenges of large-scale implementation and cost efficiency in the transition to more sustainable food packaging solutions.

由于普遍使用一次性石油衍生塑料，食品包装行业产生了不断升级的环境挑战，这有助于气候变化，污染和微塑料污染。多糖已成为有前途的可再生食品包装材料的替代品。这篇综述批判性地评估了最近关于功能化策略的进展，旨在改善多糖基包装薄膜的机械、屏障和功能特性。特别关注的是化学改性，与生物活性剂的混合，以及纳米材料的掺入。这些策略显著提高了材料性能，扩展了多糖基膜的功能，如抗菌、紫外线阻挡和ph指示能力。提供了生命周期评估（LCA）和材料循环考虑，以比较多糖基包装与传统石油衍生塑料的环境可持续性，突出与采用生物聚合物基材料相关的环境权衡。此外，审查严格审查当前的限制和挑战有关扩大生产和实现成本效益，从而提供洞察这些材料在食品包装行业的实际实施。最后，确定了关键的研究机会，强调需要进一步研究，以解决大规模实施和成本效率的挑战，过渡到更可持续的食品包装解决方案。

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引用次数: 0

Recent progress in the synthesis, scaling, processing and technoeconomic analysis of metal-organic frameworks towards industrial applications 面向工业应用的金属有机骨架的合成、标度、加工和技术经济分析的最新进展

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-29 DOI: 10.1016/j.mser.2025.101123

Zi Li , Xinyu Yang , Chuanzhi Ju , Tian Tian , Jingwei Hou , Zhigang Hu , Jianxin Zou

Economical and efficient synthesis and processing technologies are essential for industrial-level applications of metal-organic frameworks (MOFs). To bridge the gap between lab-scale synthesis and commercial applications, we here provide a comprehensive and holistic review on the challenges of transitioning MOF materials from the laboratory agent to commercial products, and further to industrial-scale applications, with an emphasis on existing approaches and technologies for the large-scale synthesis and processing and technoeconomic feasibility of MOFs. We also pinpoint the fundamental principles on the metal-ligand reaction mechanism and elaborate on their impact on MOF synthesis and stability. In addition, novel synthesis mechanisms and processing methods and technologies are covered, such as electron-beam radiation method, melt-quench method, sol-gel method, liquid-phase sintering technology, monolithic technology, plasma/laser-assisted technology, etc. In particular, the importance of AI in the design, fabrication and processing of MOFs is highlignted in the current milieu of AI+materials paradigm. We thus aim to provide in-depth insights into the design and development of efficient and versatile synthetic and processing approaches and technologies to promote practical MOF-based applications in addressing the current global energy and environment challenges.

经济高效的合成和加工技术是金属有机骨架材料工业化应用的基础。为了弥合实验室规模合成和商业应用之间的差距，我们在这里提供了一个全面和全面的回顾，从实验室试剂过渡到商业产品，进一步到工业规模应用的MOF材料的挑战，重点是现有的方法和技术的大规模合成和加工和MOF的技术经济可行性。我们还指出了金属配体反应机理的基本原理，并阐述了它们对MOF合成和稳定性的影响。此外，还介绍了新的合成机理和加工方法和技术，如电子束辐射法、熔融淬火法、溶胶-凝胶法、液相烧结技术、单片技术、等离子体/激光辅助技术等。特别是在当前人工智能+材料范式的背景下，人工智能在mof设计、制造和加工中的重要性得到了突出体现。因此，我们的目标是为高效和通用的合成和加工方法和技术的设计和开发提供深入的见解，以促进基于mof的实际应用，以应对当前的全球能源和环境挑战。

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引用次数: 0

Unresolved controversies in perovskite-based antiferroelectrics: Fundamentals and frontiers 钙钛矿基反铁电体未解决的争议：基础和前沿

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-22 DOI: 10.1016/j.mser.2025.101121

Tianfu Zhang , Yangyang Si

Antiferroelectrics have emerged as a critical material in condensed matter physics, holding transformative potential for next-generation technologies including high energy-density capacitor, electromechanical systems, and electric field-modulated thermal switching devices. Since the theoretical postulation of antiferroelectricity and the identification of PbZrO₃ as the first prototypical antiferroelectric, this field has evolved through seven decades of interdisciplinary research. Nevertheless, enduring ambiguities in fundamental principles continue to impede both theoretical comprehension and technological utilization. In this review, we revisit the intricate landscape of antiferroelectric fundamentals, examining prevailing debates and unresolved controversies. Moreover, we critically address the ambiguous definitions of antiferroelectricity, structural complexities, the elusive origins, and the intricate mechanisms underlying phase transitions. By integrating historical context with recent experimental and theoretical progress, this review aims to stimulate innovative solutions to long-standing questions, thereby bridging the gap between fundamental antiferroelectric phenomena and their practical applications in energy storage, electronic devices, and quantum technologies.

反铁电体已经成为凝聚态物理中的一种关键材料，在下一代技术（包括高能量密度电容器、机电系统和电场调制热开关器件）中具有变革潜力。自从反铁电性的理论假设和PbZrO3作为第一个原型反铁电性的确定以来，这一领域已经发展了七十年的跨学科研究。然而，基本原则的长期含糊不清继续阻碍理论理解和技术利用。在这篇综述中，我们回顾了反铁电基本原理的复杂景观，检查了流行的辩论和未解决的争议。此外，我们批判性地解决了反铁电性的模糊定义、结构复杂性、难以捉摸的起源以及相变背后的复杂机制。通过将历史背景与最近的实验和理论进展相结合，本综述旨在激发长期存在的问题的创新解决方案，从而弥合基本反铁电现象与其在能量存储，电子器件和量子技术中的实际应用之间的差距。

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引用次数: 0

Ester-functionalized nonfullerene acceptors modulate crystallinity enabling 20% efficiency organic solar cells with scalability 酯功能化的非富勒烯受体调节结晶度，使有机太阳能电池具有20%的效率和可扩展性

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-16 DOI: 10.1016/j.mser.2025.101118

Gengsui Tian , Yao Chen , Yaohui Li , Lei Liu , Qianyi Ma , Shengnan Duan , Chaisa Uragami , Hideki Hashimoto , Peihao Huang , Chunming Yang , Yang (Michael) Yang , Shirong Lu , Zeyun Xiao

The strategic molecular design of non-fullerene acceptors (NFAs) is pivotal for enhancing the efficiency of organic solar cells (OSCs). Transitioning from high-efficiency small-area devices to large-area modules requires equally meticulous device engineering, yet this critical aspect is often overlooked. Here, we report two new NFAs (Pz-E2F and Pz-E2Cl) designed through an ester-functionalization strategy on the phenazine (Pz) core, a departure from conventional halogenation approaches and enhance the OSC performance from 0.1 cm² device (20.03 % efficiency) to 19.3 cm² modules (15.56 % efficiency). Theoretical and experimental analyses demonstrate that ester functionalization of the central Pz-core enhances electrostatic interactions, crystallinity, and donor-acceptor miscibility compared to the non-ester-functionalized Pz-2F, thus improving exciton dissociation efficiency, reducing exciton recombination rates, creating more balanced hole/electron mobility, and enhancing charge generation in OSC devices. This work provides a holistic solution for OSCs by bridging molecular design, nanoscale crystallization, device physics, and module engineering, addressing critical gaps between molecules and modules.

非富勒烯受体（nfa）的战略性分子设计是提高有机太阳能电池（OSCs）效率的关键。从高效率的小面积器件过渡到大面积模块同样需要细致的器件工程，然而这一关键方面往往被忽视。在这里，我们报道了两种新的nfa （Pz- e2f和Pz- e2cl）通过在吩那嗪（Pz）核心上的酯功能化策略设计，与传统的卤化方法不同，并将OSC性能从0.1 cm2器件（20.03 %效率）提高到19.3 cm2模块（15.56 %效率）。理论和实验分析表明，与非酯功能化的Pz-2F相比，中心pz核的酯功能化增强了静电相互作用、结晶度和供体-受体混溶性，从而提高了激子解离效率，降低了激子重组速率，创造了更平衡的空穴/电子迁移率，并增强了OSC器件中的电荷生成。这项工作通过连接分子设计，纳米级结晶，器件物理和模块工程，解决分子和模块之间的关键差距，为OSCs提供了整体解决方案。

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引用次数: 0

Photodegradable hydrogels: Connecting network evolution and material properties by a photo-chemo-mechanical coupling model 光降解水凝胶：通过光化学-力学耦合模型连接网络演化和材料性能

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-15 DOI: 10.1016/j.mser.2025.101116

Feixiang Huang , Binhong Liu , Yujun Guo , Zixu Yang , Siming Li , Zhe Chen , Shaoxing Qu

Degradable hydrogels possess excellent biocompatibility, controllable mechanical properties, and mass transfer capabilities, making them widely applicable in wound dressings, drug delivery, and tissue engineering. By incorporating photo-responsive components into the polymer network, degradable hydrogels can respond to precisely controlled light fields. However, mechanical modeling works on photodegradable hydrogels remain relatively limited. A finite deformation theory coupling photochemical principles is needed to comprehensively describe the mechanical behavior of photodegradable hydrogels. In this study, we developed a photo-chemo-mechanical coupling constitutive model of photodegradable hydrogels within the framework of continuum mechanics. The model involves the photochemical kinetics of the photo-induced degradation process and depicts the evolution of networks in the degradation process using sub-networks, providing a microscopic image more consistent with the degradation mechanism. The model characterizes the changes in mechanical properties and swelling deformation after photodegradation, and corresponding experimental validations are conducted. Building upon this theoretical model, specific recipe compositions and degradation conditions are systematically discussed, and the parameter-property relationships are bridged. This constitutive model reveals the photodegradation mechanism of the hydrogel network at the microscopic level and can predict mechanical behavior at the macroscopic level, guiding the synthesis and application of photodegradable hydrogels.

可降解水凝胶具有良好的生物相容性、可控的力学性能和传质能力，在伤口敷料、给药和组织工程等领域有着广泛的应用。通过将光响应成分整合到聚合物网络中，可降解的水凝胶可以对精确控制的光场做出反应。然而，关于光降解水凝胶的力学建模工作仍然相对有限。需要结合光化学原理的有限变形理论来全面描述光降解水凝胶的力学行为。在本研究中，我们在连续介质力学的框架下建立了光降解水凝胶的光化学-力学耦合本构模型。该模型涉及光诱导降解过程的光化学动力学，并利用子网络描述了降解过程中网络的演变，提供了更符合降解机制的微观图像。该模型表征了光降解后的力学性能和膨胀变形的变化，并进行了相应的实验验证。在此理论模型的基础上，系统地讨论了具体的配方组成和降解条件，并建立了参数-性能关系。该本构模型在微观层面揭示了水凝胶网络的光降解机理，在宏观层面预测了水凝胶的力学行为，指导了光降解水凝胶的合成和应用。

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引用次数: 0

Scalable hard carbon production for sodium-ion batteries: Integrated precursor selection, thermochemical conversion, and tandem processing 钠离子电池的可扩展硬碳生产：集成前驱体选择，热化学转化和串联处理

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports

Pub Date : 2025-09-12 DOI: 10.1016/j.mser.2025.101094

Jian Yin , Danfeng Li , Chen Yang , Hu Zhang , Ruiyao Wu , Rutong Yang , Anjie Liu , Feng Yu , Jiao Yin , Hui Zhu

Sodium-ion battery has been widely regarded as a cost effective and scalable solution for short/medium-term energy storage, where hard carbon anode serves as a crucial role in determining the energy density and charging rate of full-cell device. To date, most studies have focused on the synthesis strategies and performance of hard carbons at laboratory scale, while few reports address the industrial production processes from the perspective of thermochemical transformation and carbon structure evolution. Herein, we evaluate research and development strategies of hard carbons from the viewpoint of processing operation and industrial production, mainly including precursor selection, pretreatment, carbonization, and post treatment. Notably, thermochemical transformation and engineering are highlighted as a key part to tailor carbon skeleton for Na-ion storage. Finally, challenges in large-scale production and future research directions are outlined for hard carbon enhancement and Na-ion full-cell development.

钠离子电池已被广泛认为是一种具有成本效益和可扩展性的中短期储能解决方案，其中硬碳阳极在决定全电池装置的能量密度和充电速率方面起着至关重要的作用。迄今为止，大多数研究都集中在实验室规模的硬碳合成策略和性能上，而从热化学转化和碳结构演化的角度研究工业生产过程的报道很少。本文从加工操作和工业生产的角度对硬炭的研发策略进行了评价，主要包括前驱体的选择、预处理、炭化和后处理。值得注意的是，热化学转化和工程是定制na离子存储碳骨架的关键部分。最后，展望了硬碳增强和钠离子全电池的大规模生产面临的挑战和未来的研究方向。

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