JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
·
IF 6.3
Zhiang Li,Shuai Liu,Hao Xu,Fan Ding,Weimin Wang,Kaikai Song,Ting Liu,Lina Hu
Li 6.4 La 3 Zr 1.4 Ta 0.6 O 12 (LLZTO) is widely used in polyethylene oxide (PEO) based solid electrolytes preparation due to its high ionic conductivity, electrochemical stability towards lithium and excellent mechanical properties. However, agglomeration of LLZTO and the inert interfacial layer for Li + transport between LLZTO and PEO limit its application. Herein, we systematically study the effect of different contents of 1-methyl-1-propylpiperidinium bis(trifluoromethylsulfonyl)imide (denoted as PP13-TFSI) ionic liquid on PEO/LLZTO composite solid electrolytes (CSEs). PP13-TFSI, which provides a new pathway for Li + transport and promotes the uniform dispersion of LLZTO. By adjusting the proportion of PP13-TFSI reasonably, the agglomeration of LLZTO is weakened, the crystallinity of PEO is reduced, and the growth of lithium dendrites is also inhibited. Therefore, the CSEs with high ionic conductivity (2.03 × 10 −4 S cm −1 , 30 ℃) enhanced by PP13-TFSI. Li||Li symmetric batteries exhibit stable cycling up to 6000 h at 60 °C, and can cycle stably for up to 3000 h at 28 °C. LiFePO 4 ||Li full batteries exhibit high-capacity retention rate (≈ 90.5 %) after 500 cycles at 1 C. This work not only systematically study the effects of different contents of PP13-TFSI on CSEs, but also provide a simple composite solid electrolyte strategy.
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DOI
高影响因子
Applied Materials Today
·
2025
·
IF 6.9
Huixian Xu,Rui Ye,Ye Zhong,Wanling Chen,Jichuan Zhang,Zhenyuan Wang,Le Du,Fan Hu,Chengyu Wu,Jiaheng Zhang
Although retinol and its derivatives are effective anti-aging substances, they can induce “retinoid dermatitis.” To solve this problem, a novel 4-t-butylcyclohexanol α-lipoic acid ionic liquid (BLA-IL) was prepared and confirmed. Retinol can be directly dissolved into BLA-IL, encapsulated into nanoparticles (NPs) and form retinoid-loaded ionic liquid NPs. In-vivo and ex-vivo studies investigated the developed formulation's safety, transdermal enhancement, and efficacy. Safety assessments revealed that BLA-IL-mediated TRPV1 antagonism was achieved. In particular, IL-NPs increase the amount of retinoid in the skin by 4.3 times compared to the free retinoid and 27 % more than NPs. Based on in vivo and in vitro experiments, BLA-IL synergistically doubled the effect of fibroblast COL-I synthesis, with upregulation to 756.9 %, simultaneously enhancing COL-I, COL3A1, and Elna gene expression and inhibiting MMP-1, reactive oxygen species, and neutrophil aggregation. Clinically, retinoid-loaded IL-NPs significantly improved wrinkles, R2, collagen intensity, ITA°, and l -value compared to free retinoid in volunteers. In conclusion, this study displayed that BLA-IL NPs could promote transdermal delivery and achieve synergistic anti-aging efficacy. It could be a promising technology combining IL and nano-technology in the pharmaceutic and cosmetic transdermal areas.
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高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2022
·
IF 9.136
Fan Liu,Yao Shen,Li Shen,Yuchi Zhang,Weiqi Chen,Xiaoxiang Wang,Qiaoli Wang,Sujing Li,Shihan Zhang,Wei Li
The main disadvantage of commercial absorption solution for CO 2 capture from flue gas is extensive energy consumption. A novel amino-functionalized ionic liquid (AFIL) organic solution of tetraethylene pentamine 2-methylimidazolium/N-propanol/ethylene glycol ([TEPAH][2-MI]/NPA/EG) is considered as a promising candidate absorption system because of its efficient CO 2 capture performance and low energy consumption. The thermodynamics and kinetics studies are very essential for evaluating the absorbent and its potential of future practical industrial application. In this work, the performance in these two aspects of [TEPAH][2-MI]/NPA/EG solution were investigated. The regeneration energy consumption was 2.98 GJ·t −1 CO 2 , which was 21.6% lower than that of benchmark monoethanolamine (MEA) aqueous solution, and the energy saving advantage was embodied in sensible heat and latent heat. Kinetic analysis showed that chemical reaction of CO 2 absorption into [TEPAH][2-MI]/NPA/EG solution took place in the pseudo-first-order reaction. The reaction rate constant and enhancement factor increased with the increase of absorption temperature, while those showed a decreasing trend with the increase of absorption loading. The relation between the second-order rate constant and temperature was expressed as k 2 = 5.6192 × 10 8 exp - 3111.6 T , and the activation energy was further calculated as 25.87 kJ·mol −1 . Compared with those of MEA and several traditional ionic liquid solutions, these parameters indicated a stronger reaction ability of the novel system. Moreover, the mass transfer resistance of gas and liquid phase changed constantly during the absorption process, and the dominant role of mass transfer resistance gradually changed from the gas phase to liquid phase. The thermodynamics and kinetics of CO 2 capture revealed that the [TEPAH][2-MI]/NPA/EG solution had an excellent application potential in the future.
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高影响因子
Green Chemical Engineering
·
2023
·
IF 0
Ying Jin,Shengxin Chen,Ruirui Wang,Yumei Liu,Xinxin Li,Yingwei Li,Ruirui Zhang,Ruixia Liu
Poly(ionic liquids) (PILs) combined with the macromolecular structure and unique properties of ionic liquids show unlimited potential in catalysis. In this work, a series of metal-based PIL with different ionic ratios were prepared for the selective oxidation of cyclohexane. Characterization analysis reveals that different degrees of ionization could adjust the Co–N sites of the catalysts efficiently, leading to significant changes in their electronic structure, which strongly relate to catalytic performance in oxidation. 20.07% cyclohexane conversion and 13.06% cyclohexanone and cyclohexanol (KA oil) yield can be achieved by metal-based PILs that are better than other commercial catalysts. Compared with CoCl 2 , metal-based PILs perform well, with superior conversion and KA oil yield. More interestingly, the catalyst created in this study features a malleable Co–N site, which may potentially have an impact on how oxygen species adsorb and desorb from the catalyst. Therefore, the catalyst studied in this work is used as molecular oxygen for the selective oxidation of cyclohexane to produce KA oil, and its application prospect is promising.
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DOI
CATALYSIS LETTERS
·
2024
·
IF 2.3
Xiang Xiaoyan,Liao Xu,Yan Qijiang,Yuan Qiulan,Zhou Long,Zhang Ruiming,Lin Jinqing,Lin Xihuang
In this paper, porous Brønsted acidic ionic liquid modified catalyst ILs-AB-8 was successfully synthesized by using 3 steps of Friedel–Crafts hyper-crosslinking synchronous chloromethylation, imidazlole grafting and sulfonic functionalization using macroporous polystyrene AB-8 resin as a raw material. The porous ionic liquid immobilized catalyst ILs-AB-8 exhibits a hierarchical pore structure by the coexistence of abundant macropore, mesopore, and micropore. The catalyst IL 2 -AB-8 with dual Brønsted acid sites(-SO 3 H acid site and p-methylbenzenesulfonic acid site), large surface area (327.19 m 2 /g), high ionic liquid loading amount (IEC 2.03 mmol/g) displayed excellent catalytic activity, with methyl oleate yield up to 95.65% at 338 K in 100 min. The enhanced catalytic performance of IL 2 -AB-8 can be ascribed to the novel Friedel–Crafts hyper-crosslinking process in conjunction with chloromethylation, coupled with th in situ generated activating chloromethyl group incorporated onto the surface of the AB-8 carrier. The hyper-crosslinking approach also effectively transforms the macroporous AB-8 carrier into a multi-level pore structure. This work highlights that IL 2 -AB-8 with high specific surface area, ionic liquid loading content, and strong covalent connection with carrier was coordinated to provide an efficient metal-free heterogeneous catalyst for biodiesel production. Graphical Abstract
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高影响因子
Lubricants
·
2022
·Vol. 10
·期 11
·287
·
IF 3.584
Jiajia Fu,Chen Chen,Qiong Tang,Hong Xu,Lei Liu,Jinxiang Dong
Alkyltetralins similar to naphthenic base oil were successfully synthesized by Friedel–Crafts alkylation of tetralin with short-chain α-olefins (C3/C4), where the applied chemical feedstock could be obtained from coal chemical industry with ease. The Et3NHCl-AlCl3ionic liquid (IL) as catalyst exhibited excellent catalytic performance for alkylation of tetralin withn-butene or propylene. The reaction conditions were investigated in detail to achieve the high selectivity toward multi-alkyltetralins, and the selectivity for multi-alkyltetralins could reach as high as 90% with the complete conversion of tetralin. For comparison, three alkyltetralins with various side-chain alkyl groups and number of side-chains on tetralin were isolated, which behaved as lubricating base oils for investigation. The synthetic oils exhibited an excellent low temperature fluidity, and good potential for compatibility with additives. Di-propyltetralins (DPT) and di-butyltetralins (DBT) displayed the lower friction and wear values than mono-butyltetralins (MBT), which had comparable tribological properties to the commercial naphthenic base oil 4006 (N4006).
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高影响因子
JOURNAL OF CHEMICAL AND ENGINEERING DATA
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2020
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IF 2.369
Cai-bin Zhou,De-song Zhan
The extraction process of rhenium was investigated in the room-temperature ionic liquid 1-pentyl-3-methylimidazolium bis((trifluoromethane)-sulfonyl)imide ([C5mim][NTf2]) containing N235. At ionic strength ranging from 0.2 to 2.0 mol·kg–1 and temperatures ranging from 293.15 to 318.15 K, the molalities of perrhenate in the aqueous phase were obtained at an extraction equilibrium. The standard extraction constants K0 at diverse temperatures were gained by the Pitzer polynomial approximation method. Thermodynamic characters for the extraction procedure were calculated.
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高影响因子
ACS Applied Materials & Interfaces
·
2021
·
IF 9.229
Hongzheng Wu,Tao Hu,Shuya Chang,Li Li,Wenhui Yuan
Combining the advantages of dual-ion batteries (DIBs) and sodium-ion batteries (SIBs), we herein develop a superior sodium-based dual-ion battery (Na-DIB) based on the PTCDA organic anode and ionic liquid (IL) electrolyte. The system shows the highest specific discharge capacity of 177 mAh g–1 at 0.5C and excellent capacity retention over 100% at 2C after 200 cycles. Notably, even at an ultrahigh rate of 20C, the battery still maintains a considerable capacity of 60 mAh g–1 with a coulombic efficiency (CE) close to 100 and 94% capacity retention after 1000 cycles. Moreover, the self-discharge of the system has been investigated and shown to have an extremely low value of 0.18% h–1. Consequently, this work presents an excellent Na-DIB system, which could be a promising candidate for large-scale applications.
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高影响因子
REACTIVE & FUNCTIONAL POLYMERS
·
2020
·
IF 3.333
Liwei Sun,Jingyi Luo,Ming Gao,Shaokun Tang
Developing solid materials with high CO 2 adsorption capacity and catalytic activity has been a hotspot due to the greenhouse effect. In this work, bi-functionalized ionic liquid 1-vinyl-3-methoxyethyl imidazolium glycinate ([VMOEim][Gly]) was copolymerized with crosslinker divinylbenzene (DVB) to obtain bi-functionalized ionic liquid porous copolymers P( n DVB-[VMOEim][Gly]) and HP( n DVB-[VMOEim][Gly]). These copolymers possess loose stack of small particles or laminates, and they contain mesopores and a small number of micropores. For HP(0.6DVB-[VMOEim][Gly]), surface area reaches up to 508 m 2 ·g −1 and the initial decomposition temperature is about 180 °C. Then these porous copolymers were applied for CO 2 adsorption at 25 °C and cycloaddition reaction of CO 2 with epichlorohydrin under ambient pressure and cocatalyst-free condition. The maximum CO 2 capture capacity is 64.5 mg/g with HP(0.6DVB-[VMOEim][Gly]) as adsorbent. The effects of catalyst type, catalyst dosage, reaction time and temperature on the yield of cyclic carbonate were also investigated. The optimum conditions are 4 wt% of HP(0.6DVB-[VMOEim][Gly]) (based on the epichlorohydrin) as catalyst at 130 °C for 10 h, and the yield of 4-(chloromethyl)-1,3-dioxolan-2-one can reach 94%. Furthermore, the catalytic activity of HP(0.6DVB-[VMOEim][Gly]) maintains and the yield is 91% after five-cycle experiment. The mechanism of cycloaddition reaction was also discussed.
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高影响因子
Molecular Catalysis
·
2024
·
IF 3.9
Yuhang Bian,Xiaoyan Zheng,Jie Li,Zhijian Peng,Gang Wang,Chunshan Li
In recent years, the methacrolein (MAL) synthesis through the aldol condensation of formaldehyde (FA) with propanal (PA) has received great attention of researchers. Herein, an ionic liquid-functionalized polymer catalyst, which exhibited higher performance than common homogenous sec -amine catalyst, was developed for catalytic synthesis of MAL via aldol condensation of FA with PA. FT-IR, XPS, TG-DTA, and 13 C MAS NMR were used to characterize the structural and physicochemical features. The influences of solvent and reaction conditions on the catalytic performance were also systematically studied and optimized. The in situ FT-IR spectroscopic experiments were performed to investigate the catalytic mechanism. Kinetic studies revealed that the activation energy of aldol condensation between the FA and PA was 51.6 kJ/mol. No obvious decay of catalytic performance was observed after twelve cycles.
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高影响因子
CARBOHYDRATE POLYMERS
·
2012
·
IF 3.628
Yanzhu Guo,Xiaohui Wang,Zuguang Shen,Xuancai Shu,Runcang Sun
Self-associating cellulose- graft -poly( ɛ -caprolactone) (cellulose- g -PCL) copolymers were successfully synthesized via homogeneous ring-opening polymerization (ROP) of ɛ -CL onto softwood dissolved pulp substrate in ionic liquid 1-N-butyl-3-methylimidazolium chloride ([Bmim]Cl). An organic catalyst N,N-dimethylamino-4-pyridine (DMAP) was compared with the traditional metal-based catalyst (Sn(Oct) 2 ) as the catalyst of the reaction, and exhibited higher catalytic activity. By controlling the cellulose: ɛ -CL feed ratio and reaction temperature, the molecular architecture of the copolymers can be altered, as evidenced by FT-IR, 1 H NMR, 13 C NMR, TGA and XRD. The self-assembly behavior of the copolymers in water was investigated and characterized using fluorescence probe, dynamic light scattering (DLS) and SEM. The results showed that the cellulose- g -PCL copolymers could form nanosized micelles (approximately 20–100 nm) in water, and the micelle size and critical micelle concentration (CMC) can be controlled by varying the grafting ratio of PCL. These cellulose-based nanomicelles are expected to be useful in broad application fields.
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高影响因子
WATER SCIENCE AND TECHNOLOGY
·
2021
·Vol. 84
·期 8
·1930-1942
·
IF 1.915
Huang Jialei,Luo Yan
Persulfate oxidation technology is widely used in wastewater treatment, but there are still many disadvantages, such as high energy consumption, side reaction and narrow pH applicability. Copper oxides can activate persulfate steadily with higher efficiency. In this paper, a novel preparation method of shape-controlled cuprous oxide (Cu 2 O) nanoparticles featured with high catalytic performance was explored. It was found that adding ionic liquid 1-butyl-3-methylimidazolium bromide ([BMIM]Br) during preparation of Cu 2 O can improve the degradation rate of diclofenac (DCF). Cu 2 O nanoparticles possess good stability in consecutive cycling tests, which was confirmed by X-ray photoelectron spectroscopy. The possible mechanism of Cu 2 O activating persulfate at different initial pH conditions was discussed based on electron paramagnetic resonance spin-trapping experiment. It was found that DCF was efficiently degraded in the Cu 2 O/peroxydisulfate (PDS) system within a broad pH range from 5 to 11. It proved via a quenching experiment that the activation process of PDS mainly occurs on the surface layer of Cu 2 O nanoparticles. As a result, shape-controlled Cu 2 O nanoparticles prepared by ionic liquid are expected to be used for in situ chemical oxidation, which is an effective oxidation processes to degrade DCF remaining in surface water and ground water. This study provides a novel preparation method of shape-controlled cuprous oxide (Cu 2 O) particles featured with high catalytic performance to degrade diclofenac (DCF). It overcomes the disadvantages of degradation of organic pollutants by the traditional Fe in situ chemical oxidation system to some extent, such as being unrecyclable and having a narrow application range of pH value.
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高影响因子
危险品化学品经营许可证（带存储）