Energy Storage Materials
·
2025
·
IF 20.2
Wenqi Yan,Jinglin Xian,Shuo Huang,Yang Leng,Qi Liu,Tuo Xiao,Yan Zhao,Peihua Yang,Yuping Wu
Aqueous zinc-ion batteries have emerged as a promising complement to lithium-ion batteries due to inherent safety benefits. However, challenges such as detrimental side reactions, Zn dendrites formation, high manufacturing cost, and limit capacity amplification hinder their broader adoption. Herein, we introduce a scalable and cost-effective sulfonated cellulose separator derived from eco-friendly and highly hydrophilic bacterial cellulose for aqueous batteries. The sulfonated separator features a thickness of 50 μm, presents a high tensile strength of 167 MPa, and an ionic conductivity of 13.1 mS cm⁻¹. Both experimental results and theoretical simulations demonstrate that the incorporation of sulfonate groups into the cellulose matrix effectively suppresses sulfate ion migration while enhancing zinc ion transport. These properties ensure uniform zinc ion flux and preventing dendrite formation. In practical applications, a 1.2 Ah pouch cell using the sulfonated separator with a high cathode mass loading of 21.6 mg cm⁻² was achieved, highlighting the potential of this sulfonated separator for scalable, durable and high-capacity aqueous batteries.
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Nature Sustainability
·
2024
·Vol. 7
·期 3
·315-325
·
IF 25.7
Shi Xiaochao,Wang Zengbin,Liu Siyuan,Xia Qinqin,Liu Yongzhuang,Chen Wenshuai,Yu Haipeng,Zhang Kai
Produced from plant renewable resources, cellulose nanofibres are an emerging class of sustainable materials with favourable mechanical properties. Once carboxylated, they can be used even more widely thanks to the possibility of surface chemical modifications. However, the current fabrication processes for carboxylated cellulose nanofibres (C-CNFs) either require harsh reaction conditions or severely impair the high aspect ratio of products, resulting in low yields, environmental impacts and poor practical value. Here we address these limitations by using a hydrated multi-carboxylic acid deep eutectic solvent comprised of only choline chloride, citric acid and water to produce ultrafine and fairly long C-CNFs. The resultant C-CNFs possess fine diameters of ~3.4 nm, high aspect ratios up to 2,500, a high carboxyl content of 1.5 mmol g −1 and a high mass yield of 90.12%. Superior stability of the C-CNFs suspensions even at high concentrations allows for easy storage, transportation, processing and utilization. Moreover, the solvent exhibits a tenfold increase in its reusability, thereby highlighting its recyclability and economic viability. We further show large-scale production of C-CNFs for preparing large-area, high-performance structural materials. These unique advantages open a new avenue to the production of functional C-CNFs at an industry compatible scale.
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INDUSTRIAL CROPS AND PRODUCTS
·
2024
·
IF 5.6
Wenbin Zhang,Xiangsheng Han,Zhiqiang Qi,Hao Tan,Keyan Yang,Hongzhen Cai
Lignin-containing cellulose nanofibers (LCNFs) with promising sustainability and multiple functionalities are highly in demand while still limited by the high energy consumption and potential environment disruption in preparation. In this work, the super-base system (dimethyl sulfoxide/potassium hydroxide, DMSO/KOH) was firstly employed as pseudosolvent to swell melon vine powder by partially remove some non-cellulose components (such as extraction, lignin and ash) in plant cell wall, and facilitate the following production of LCNFs. Due to the strong nucleophilicity of DMSO/KOH, universal swollen effects toward corn husk , poplar, bagasse , rice husk, and cotton stalk were achieved, and the LCNFs from them were also successfully obtained (with yields of ∼78.75%, 55.60%, 51.33%, 46.13%, and 53.90%, respectively). Besides, this method resulted in high lignin content among LCNFs (∼19.54%), which endowed the resultant membranes with superior mechanical strength, thermal stability, and dye rejection performance (a rejection rate of ∼92.7%, and a flux of 15.16 L•m -2 •h -1 •bar -1 toward methyl violet at 250 ppm). Thus, this research paves a simple, efficient, and universal way to prepare LCNFs from various biomass.
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CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Yating Shi,Changmei Lin,Peiwei Deng,Leo N.Y. Cao,Weiguo Wang,Wanjing Li,Hezhi Lin,Yun Yang,Hao Wang,Meidan Ye,Zijie Xu,Shilin Cao,Wenxi Guo
As wearable devices in the fields of medical health, human–computer interaction, and motion detection continue to diversify in their materials and forms, they show vast application potential. Cellulose materials are emerging as prominent materials for fabricating flexible wearable electronic devices because of their favorable skin compatibility, cost-effectiveness, and abundance. However, there is little research on the use of kapok cellulose in wearable electronics. This study addresses this knowledge gap by exploring the high-yield production and waste recycling potential of kapok cellulose. To overcome the limitations of conventional cellulose films, such as poor flexibility, high haze, and limited light transmittance, a kapok cellulose nanofiber film (KCNF) with a transparency of > 90 % and a tensile strain of > 20 % is prepared. The use of the KCNF as a friction electric material in the triboelectric nanogenerator (TENG) improves its electrical output performance by 228 % and permits its comfortable long-term attachment to the skin for self-powered tactile sensing applications, including game control, text input, and smart medical devices. This study demonstrates that the exploration of KCNF materials expands the options available for developing wearable electronic devices with numerous potential applications.
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Journal of Water Process Engineering
·
2025
·
IF 6.7
Qingqing Wang,Wenqin Zhong,Jian Du,Jinwen Hu,Chenglong Fu,Jie Lu,Yanna Lv,Haisong Wang,Yehan Tao
This study presents a novel cellulose-based composite electrode material, CMC/PEI/Co/PANI, designed for efficient electrochemical adsorption and in-situ detection of polystyrene nanoplastics. The material integrates a three-dimensional (3D) carboxymethyl cellulose/polyethyleneimine (CMC/PEI) network with two-dimensional (2D) cobalt hydroxide nanoplates and a polystyrene (PANI) conductive layer, addressing the limitations of poor conductivity and water solubility in pure CMC. Electrochemical adsorption experiments show that the composite achieves a removal rate of 77.91 % for 10 mg/L polystyrene nanoparticles within 3 h at 1.0 V, outperforming many reported materials. Meanwhile, electrochemical detection via cyclic voltammetry (CV) and differential pulse voltammetry (DPV) exhibits high sensitivity, achieving a detection sensitivity of 0.2866 μA/ppb·cm 2 , a correlation coefficient of 0.9917, and a detection limit of 0.63 ppb. Theoretical calculations reveal that the adsorption mechanism involves synergistic effects of electrostatic attraction, van der Waals forces, hydrogen bonding, π-π stacking, and hydrophobic interactions. These findings underscored the potential of CMC/PEI/Co/PANI composite in the removal and detection of nanoplastic contaminants within the context of environmental pollution management, offering a novel approach for controlling and mitigating nanoplastic contamination in the future.
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CARBOHYDRATE POLYMERS
·
2024
·
IF 10.7
Jianliang Gao,Xiaomeng Li,Lina Xu,Manqing Yan,Hong Bi,Qiyang Wang
Conductive hydrogels as promising candidate materials for flexible strain sensors have gained considerable attentions. However, it is still a great challenge to construct hydrogel with multifunctional performance via natural polymer. Herein, a novel multifunctional conductive hydrogel based on methylcellulose and cellulose nanocrystal was prepared via a facile and low-cost strategy. Methylcellulose (MC) was introduced to not only guarantee the stability of tannic acid coated cellulose nanocrystal (TA@CNCs) in LiCl solution, but also improve anti-freezing ability. The obtained hydrogel exhibited high transparency (98 % at 800 nm), good stretchability (663.1 %), low temperature tolerance (−23.9 °C), superior conductivity (2.89 S/m) and excellent UV shielding behavior. Flexible strain sensor assembled by the prepared hydrogels can be used to detect human body motions include subtle and large motions, and exhibited good sensitivity and stability over a wide temperature range. Multiple flexible hydrogels can also be assembled into a 3D sensor array to detect the distribution and magnitude of spatial pressure. Therefore, the hydrogels prepared via natural polymers will have broad application prospects in wearable devices , electronic skin and multifunctional sensor components.
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高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Zhuojun Meng,Ke An,Qing Liu,Pengfei Zhang,Shijun Lei,Zhenhua Li,Jian Sun,Zhengdong Cheng
The sorbent dialysis system has emerged as one of the most promising research directions in wearable artificial kidneys (WAK), owing to its substantially lower water consumption compared to conventional hemodialysis (reduced from 120 L to 6 L per treatment). These systems typically incorporate multilayer adsorption cartridges, where zirconium phosphate (ZrP) serves as the critical component for eliminating urea-derived ammonium ions (NH₄ + ). However, the inherent lamellar structure of ZrP induces material stacking, resulting in elevated column pressure during operation - a significant limitation that hinders broader clinical adoption. In this study, we developed a novel methodology for fabricating ZrP composite hydrogel spheres with high NH₄ + removal capacity. We first demonstrate that thermal treatment facilitates the intercalation of ionic liquid into α-ZrP interlayers, resulting in expanded interlayer spacing. This structural modification enhances subsequent Na + ion exchange and further optimizes the NH₄ + exchange capacity, representing a 5-fold improvement over untreated α-ZrP. Next, we engineered a structural matrix by using cellulose nanofibers (CNFs) to host ZrP nanoplates. Through an ionic liquid-assisted synthesis strategy, we simultaneously achieved CNF regeneration and ZrP intercalation, producing CNF/ZrP composite hydrogel spheres. These spheres address layer restacking while improving mechanical robustness and ion exchange performance. The resulting CNF/ZrP spheres also exhibit superior column-packing characteristics, achieving 88.7 % overall NH₄ + removal efficiency (6.41 mg g ZrP −1 min −1 ) from a 12 mL physiological saline solution in the model flow system. This study establishes CNF/ZrP hydrogel spheres as a promising sustainable adsorbent platform for next-generation dialysis cartridges.
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LANGMUIR
·
2025
·
IF 3.9
Rong Wang,Xiaohua Jia,Ding Wang,Xinyue Duan,Haojie Song
With the increasing complexity of mechanical equipment service conditions, the conventional single-component lubricant fillers have been difficult to meet the needs of practical applications, and it is necessary to explore new solutions. To this end, in this study, cellulose-based self-lubricating films (G-GNPs/EC) synergistically reinforced with graphite and graphene were prepared by in situ exfoliation of flake graphite by cellulose. During the friction process, graphite can either act as a load-bearing subject or form a lubrication transfer film to achieve wear compensation, while graphene layers retard graphite wear, enhancing interfacial stability. The resulting material achieves a low friction coefficient of 0.104 and superior load-bearing capacity, significantly outperforming the single-lubrication system. Moreover, the “rigid–flexible” hierarchical enhancement structure formed by graphene and esterified cellulose (EC) endows the composite with exceptional mechanical properties, achieving a tensile strength of 99.84 MPa and a toughness of 10.01 MJ/m3. Notably, the waste G-GNPs/EC demonstrates excellent biosafety and environmental friendliness, effectively adsorbing heavy metal ions (Cu2+) from soil. This work provides a feasible way to realize the practical application of high-performance, environmentally friendly self-lubricating materials.
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高影响因子
CARBOHYDRATE POLYMERS
·
2025
·
IF 12.5
Yan Li,Xinyuan Lv,Ziyu Li,Jiaolong Liu,Weiwei Shi,Luxin Zhang
Conventional microwave absorption (MA) hydrogels suffer from inadequate interfacial adhesion, limited mechanical robustness, and narrow absorption bandwidths. Herein, a low-cost zinc chloride hydrate/formic acid deep eutectic solvent was employed to dissolve microcrystalline cellulose (MCC) at room temperature, enabling the synthesis of a MXene/MCC/PAM (MX–C) hydrogel. This hydrogel exhibited enhanced MA capability, adhesive performance, and mechanical strength. After optimizing the concentration of the MXene dispersion to 3.0 wt%, the MX-C hydrogel (without any magnetic component) achieved exceptional MA performance at 2 mm thickness with a reflection loss of less than −10 dB over the entire X-band and a minimum reflection loss of −28 dB. The MA performance arises mainly from conduction loss, aided by polarization and internal reflections. Benefiting from the abundant hydrogen bonds of MCC, MX-C hydrogel demonstrated excellent adhesiveness with adhesion strength as high as 2.13 MPa, enabling its direct attachment to various substrate surfaces without additional binders. MX-C hydrogel also exhibited exceptional deformability with a tensile strain of 524 % and a compressive strain of 47 %. This multifunctional hydrogel integrates strong adhesion, broadband MA, and mechanical flexibility to provide an innovative solution for flexible electromagnetic stealth devices, as well as intelligent camouflage systems.
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高影响因子
Advanced Optical Materials
·
2025
·
IF 7.2
Wenye Sun,Mingcong Xu,Rui Teng,Bang An,Baoqi Li,Bing Tian,Zhijun Chen,Chunhui Ma,Jian Li,Shouxin Liu,Wei Li
Cholesteric liquid crystals formed by natural polymers are particularly useful in structural color materials and circularly polarized optical materials. However, achieving customizable and intrinsic circularly polarized luminescence materials with finely controlled chiroptical properties via chirality transfer remains a formidable challenge owing to complex assembly processes. Herein, a processable chiral photonic hydroxypropyl cellulose (HPC) material with tunable structural color and circularly polarized light (CPL) is prepared via a simple physical cross-linking strategy. By adjusting the self-assembly and cross-linking process, the HPC-based photonic materials exhibit structured colors across the visible spectrum. Using these photonic inks on various substrates, vivid patterns with high color tunability are demonstrated. Furthermore, the chiral photonic films can serve as wavelength-tunable circularly polarized light filters, effectively transferring chirality to achiral polymers. Notably, by introducing luminophores into the HPC structures, multicolor right-handed CPL with a maximum g lum of −0.34 is achieved through efficient chirality transfer. Moreover, these customizable multicolor CPL-active HPC films can function as programmable pixel dots, which have potential for advanced information displays and encryption applications. This study presents a promising strategy for fabricating high-performance CPL systems, promoting the application of cellulose photonic materials in structural color coatings, chiroptical devices, asymmetric synthesis routes, and advanced displays.
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INDUSTRIAL CROPS AND PRODUCTS
·
2025
·
IF 6.2
Zixuan Jin,Junlong Gao,Tiantai Dong,Zhanying Sun,Xin Wang
Cellulose-based materials, as a type of biodegradable material, are expected to replace traditional plastics and improve environmental pollution issues. However, the poor mechanical, flame retardant, and piezoelectric properties of cellulose-based materials limit their application scope. Therefore, it is particularly important to modify cellulose-based films. This paper utilized hyperbranched polysiloxane (HBPSi) to modify bacterial cellulose-based films (BCF), and characterized the modified BCF before and after modification through SEM, FTIR, TGA, SEM-EDS, tensile, fluorescence, flame retardancy, piezoelectricity and soil degradation tests. The research shows that HBPSi has a good modification effect on the BCF, and various properties of the modified BCF have been improved, especially the flame retardancy and piezoelectric properties. The oxygen index of the unmodified BCF was 38, and the maximum short-circuit current was 22.4 μA. However, after being modified with 5 wt% HBPSi, the oxygen index of the BCF reached 66.8, and the maximum short-circuit increased to 361.4 μA. Moreover, the modified BCF was environmentally friendly and pollution-free, capable of complete degradation in natural environments. These advantages present a good prospect in the fields such as green packaging and electronic devices.
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RSC Advances
·
2025
·Vol. 15
·期 41
·34754-34767
·
IF 4.6
Yu Zhao,Yuan Ju,Baozhen Guo,Peng Gan,Pengfei Lv,Jingli Yang,Chengcheng Qiao,Kai Zhang
The utilization of abundant and renewable cellulose as an alternative to fossil resources provides a promising pathway for the sustainable production of bio-based chemicals. The development of multifunctional catalysts is key to achieving the efficient conversion of cellulose into high value-added chemicals. In this study, a combination of in situ and post-synthetic strategies was employed to synthesize functionalized covalent organic frameworks (COFs). Using aldehyde monomers containing phenolic hydroxyl groups and amine monomers with triazine structure as raw materials, COFs (TATP) rich in acidic active sites were successfully synthesized via the solvothermal method. Subsequently, a multifunctional catalyst (Ru-WOx/TATP) capable of catalyzing hydrolysis, hydrogenolysis, and hydrogenation reactions was developed by loading active metals ruthenium (Ru) and tungsten (W). Finally, this catalyst was applied to the research on one-step catalytic conversion of cellulose to ethylene glycol (EG). The results showed that Ru–WOx/TATP exhibited good crystallinity and thermal stability, and showed excellent catalytic performance and high selectivity for EG in the one-pot aqueous-phase conversion of cellulose. Under the optimal reaction conditions of 245 °C, an initial hydrogen pressure of 5 MPa, a substrate concentration of 1%, and a reaction time of 3 h, complete cellulose conversion was achieved, with an ethylene glycol yield of up to 62.9%. This work innovatively developed a functionalized COF with catalytic capabilities for hydrolysis, hydrogenolysis, and hydrogenation, and applied it to the catalytic conversion of cellulose into EG, thereby expanding the application scope of COFs in biomass catalysis.
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