Journal of Energy Storage
·
2026
·
IF 10.7
Lei Guo,Yuxin Feng,Zhongyi He,Zhongnian Zhao,Yan Tan,Senlin Leng,Viswanathan S. Saji
Alkaline Zn Mn flow batteries (AZMFBs) have emerged as a promising candidate for large-scale energy storage due to their high theoretical energy density, environmental tolerance, and low cost. Nevertheless, the electrochemical stability and cycling performance of AZMFBs are substantially hindered by hydrogen evolution, irreversible zinc deposition, and zinc dendrite formation. This study presents sodium gluconate (SG), a biodegradable and water-soluble organic chelating agent, as an addition in the anolyte to modulate zinc electrodeposition behavior. The impact of SG on the electrochemical performance of the zinc anode is meticulously analyzed using cyclic voltammetry, Tafel analysis, chronoamperometry, and galvanostatic cycling. Results reveal that SG effectively coordinates with Zn 2+ ions, promoting uniform nucleation and suppressing dendritic growth. Furthermore, SG reduces side reactions by stabilizing the electrode-electrolyte interface, resulting in a coulombic efficiency (CE) of 95.6%, an energy efficiency (EE) of 81.4%, and a service life that is double that of pristine batteries. Examination of surface morphology and structure further confirmed that a thick, smooth Zn deposit formed in the presence of SG. This study provides insights into the role of green additives in regulating Zn anodes for Zn-based flow battery systems and offers guidance for the further development of sustainable alkaline Zn-based energy-storage technologies.
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ChemSusChem
·
2026
·Vol. 19
·期 13
·e70844
·
IF 5.9
Yi Xiao,Jingjing Han,Naik Muhammad,Xiaocheng Ju,Congwei Wang,Guoli Zhang,Zhewei Yang,Yuede Pan
Na 2 Fe 2 (SO 4 ) 3 (NFS) is a promising, low-cost, high-voltage cathode material with elemental abundance for sustainable sodium ion batteries. However, the high-performance application of NFS is haunted by the low conductivity and the FeSO 4 impurity. Herein, sodium humate (SH), which acts as a Fe 2+ chelating agent, is applied in a facile aqueous synthesis strategy to obtain high-purity NFS. Control samples prepared with nonchelating sodium carboxylic acid salts, such as monosodium glutamate, sodium acetate, or sodium gluconate, are accompanied by significant FeSO 4 ·H 2 O impurities. SH also avoids the FeSO 4 ·H 2 O impurity in the synthesis of Na 2.5 Fe 2 (SO 4 ) 2.5 (PO 4 ) 0.5 (NFSP). The chelation between SH and Fe 2+ has been demonstrated through visual experiments, as well as by X-ray diffraction, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy characterizations. Furthermore, the integration of NFS or NFSP with graphene enhances the capacity and rate capability. For instance, the initial discharge capacity of NFS/4%G doubles that of NFS (84.77 vs. 40.11 mAh g −1 ) at 0.1 C. This study paves the way for the development of pure-phase polyanion cathode materials through chelation chemistry. Graphical This study presents the chelation chemistry between ferrous ions and sodium humate with neighboring carboxylate groups enabling the aqueous synthesis of impurity-free sulfate cathode materials of Na 2 Fe 2 (SO 4 ) 3 (NFS) and Na 2 0.5 Fe 2 (SO 4 ) 2.5 (PO 4 ) 0.5 (NFSP), as well as their composites with graphene (i.e., NFS/4%G, NFSP/4%G), for sustainable sodium ion batteries.
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GREEN CHEMISTRY
·
2025
·Vol. 27
·期 27
·8174-8187
·
IF 9.2
Kui Zou,Hongbo Zhao
Conventional in situ leaching techniques for ion-adsorption rare earth ores (IAREOs) using ammonium-based leaching agents present dual challenges of persistent NH4+–N contamination and inefficient La extraction economics. We propose an innovative ammonia-free coordination leaching system that simultaneously enables high-value rare earth concentrate production and environmental remediation. By exploiting ligand-induced tetrad effects, we elucidated quantitative constitutive relationships between leaching agent characteristics (type/concentration) and the extraction efficiency of individual rare earth elements (REEs). Under near-neutral column leaching conditions, differential extraction performance was achieved: high-concentration leaching agents attained exceptional recovery rates of 107.2 ± 7.7% for target REEs, while optimized low-concentration protocols demonstrated selective extraction patterns (<30% for La vs. >107% for other REEs). This strategic separation yielded a premium-grade rare earth concentrate with 15.2% enhanced economic value through lanthanide fractionation. First-principles calculations revealed the mechanistic basis in differential RE3+ binding energies with carboxyl groups (ΔE ≥ 222.2 Ha), enabling precise extraction control. Life cycle assessment shows 87.6%, 89.0% and 51.5% reductions in global warming, ozone depletion potential and human toxicity potentials versus the traditional ion exchange process. This molecularly engineered leaching system enables environmentally benign rare earth recovery with precise composition control, providing an innovative solution for demand-oriented rare earth supply systems.
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Processes
·
2023
·Vol. 11
·期 3
·903
·
IF 3.5
Yajie Wang,Xin Dong,Chengfeng Liu,Peng Cheng,Gilles Mailhot
The decolorization of azo dye Orange II using a UVA-Fe3+-PMS-oxalate system was studied. A series of experiments was performed to investigate the effects of several variables, including the pH, PMS dosage, Fe3+concentration, oxalate concentration, and coexisting anions. The results revealed that a lower pH facilitated the decolorization, and relatively high decolorization efficiency (97.5%) could be achieved within 5 min at pH 3.0. The electron paramagnetic resonance (ESR) and radical quenching experiments revealed that SO4•−played a crucial role in the decolorization of Orange II (85.8%),•OH was of secondary importance (9%), and1O2made a small contribution to the decolorization (5.2%). Furthermore, the formation of•OH in the experimental system strongly depended on HO2•/O2•−. These reactive oxidants were able to directly attack the azo bond of the luminescent group in Orange II and initiate the decolorization process. The efficient UVA-Fe3+-PMS-oxalate system showed great application potential in the treatment of wastewater contaminated by azo dyes.Keywords:PMS activation;Orange II;decolorization;UVA irradiation;Fe3+-oxalate complexes
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2022
·
IF 7.139
Xupo Liu,Ran Wang,Ye Chen,Cuicui Zhang,Xiaofeng Li,Xihui Wang,Jingru Zhang,Xiaofei Hao
Producing clean hydrogen energy by water electrolysis is considered as an effective route to solve the current energy and environmental problems. Herein, a facile inhibitor-regulated corrosion strategy is employed to synthesize efficient hydrogen evolution reaction (HER) catalysts. The corrosion inhibitor of D-sodium gluconate (SG) is adopted to slow down the serious reaction of iron foam (IF) in RuCl 3 aqueous solution. It is identified that the abundant hydroxy and carboxyl species of SG can compete with Cl − to adsorb on the IF surface to weaken the drastic reaction between Ru 3+ and IF, resulting in achieving uniform amorphous RuFe(OH) x corrosion layers composed of nanoparticle aggregations. Owing to the sufficient exposure of active sites and electronic interaction between Ru and Fe sites, the optimized catalyst exhibits excellent HER activity of requiring a lower potential of 91 mV to reach a current density of 100 mA cm −2 and maintains durable operation at 100 mA cm −2 for 30 h without obvious fluctuations. This work supplies a facile inhibitor-regulated corrosion strategy for designing efficient catalysts for water splitting application.
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FISH & SHELLFISH IMMUNOLOGY
·
2023
·
IF 4.7
Lili Yun,Meiru Kang,Yihao Shen,Junchang Feng,Guokun Yang,Jianxin Zhang,Xiaolin Meng,Xulu Chang
This study aimed to evaluate the effects of dietary supplementation with Bacillus velezensis R-71003 combined with sodium gluconate on antioxidant capacity, immune response and resistance against Aeromonas hydrophila in common carp . In addition, the biocontrol potential of the secondary metabolites of B. velezensis R-71003 was also evaluated to analyze the possible mechanism of B. velezensis R-71003 against A. hydrophila . The results indicated that the antibacterial crude extract of B. velezensis R-71003 can destroy the cell wall of A. hydrophila . Moreover, the results showed that dietary B. velezensis R-71003 could promote antioxidant capacity, which significantly increased the activities of CAT and SOD and decreased the content of MDA. Additionally, B. velezensis R-71003 supplementation significantly enhanced the immunity of common carp, as measured by the mRNA expression levels of cytokine-related genes ( TNF-α , TGF-β , IL-1β and IL-10 ). In addition, dietary B. velezensis R-71003 exhibited an upregulation of IL-10 and a downregulation of IL-1β, coupled with higher survival rates when challenged with A. hydrophila compared to the positive group. Furthermore, compared to prechallenge, the mRNA expression levels of TLR-4 , MyD88 , IRAK1 , TRAF6 , TRIF and NF-κB in the head kidney of common carp were significantly increased after challenge. The fish fed the B. velezensis R-71003 diet showed lower expression of TLR-4 , MyD88 , IRAK1 , TRAF6 , TRIF and NF-κB after the challenge than those fed the control diet. Thus, this study revealed that B. velezensis R-71003 can improve the resistance of common carp to pathogenic bacteria by destroying bacterial cell walls and improving fish immunity by activating the TLR4 signaling pathway . Importantly, this study indicated that sodium gluconate has a positive effect on B. velezensis R-71003 in enhancing the anti-infection ability of common carp. The results of this study will lay the foundation for the application of B. velezensis R-71003 in combination with sodium gluconate as an alternative to antibiotics in aquaculture.
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GREEN CHEMISTRY
·
2023
·Vol. 25
·期 18
·7126-7140
·
IF 9.8
Jiao Chen,Jiali Cai,Feng Sha,Wenjun Sun,Xilei Lyu,Yonghui Chang,Fei Cao,Lili Zhao,Hongli Wu,Pingkai Ouyang
As a potential substitute for petroleum-based terephthalic acid (TPA) in the manufacture of polyesters, 2,5-furandicarboxylic acid has been obtained through several feasible routes. Herein, a new chemo-enzymatic strategy for generating furan-2,5-dicarboxylic acid (FDCA) precursors from sodium gluconate via bio-oxidation and dehydration is presented. By coupling the bio-oxidation of gluconate 5-dehydrogenase with carbonyl reductase PsCR for cofactor regeneration, 5-keto-D-gluconic acid (5KGA), a specific product of D-gluconic acid bio-oxidation and a stable intermediate, was obtained in 99% yield. The statin intermediate ethyl (S)-4-chloro-3-hydroxybutanoate was simultaneously generated as a co-product via cycling cascade catalysis. Subsequently, the yield of the FDCA precursor n-butyl-5-formyl-2-furancarboxylate (nBu-FFCA) generated via5KGA dehydration and esterification reached 77.9%. Key intermediate characterization and theoretical calculations revealed that the decarboxylation and dehydration of cyclic 5KGA to furfural was the main side-reaction that prevented a better yield of dehydrated 5KGA. This route demonstrates good sustainability and market competitiveness compared to the existing FDCA synthesis methods.
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ACS Applied Materials & Interfaces
·
2023
·
IF 9.5
Ziying You,Yue Yu,Tie Hua Wang,Chenglin Wang,Ding Xiong,Yu Shi,Zhenming Wang,Ling Ye
Increased intracranial pressure after traumatic brain injury (TBI) is an urgent problem in clinical practice. A pliable hydrogel is preferred for cranioplasty applications after TBI since it can protect brain tissue and promote bone healing. Nevertheless, biohydrogels for cranial bone regeneration still face challenges of poor mechanical properties, large swelling ratios, and low osteogenesis activity. Herein, inspired by Hofmeister effects, biopolymer hydrogels composed of protein and polysaccharides were treated with a Hofmeister series including a series of monovalent and divalent anions. Our results reveal that the divalent anion-cross-linked biohydrogels exhibit stronger mechanical properties and lower swelling ratios compared with monovalent-anion treated gels. Intriguingly, the divalent HPO42– anion induced biohybrid hydrogels with excellent mechanical behaviors (3.7 ± 0.58 MPa, 484 ± 76.7 kPa, and 148.3 ± 6.85 kJ/m3), anti-swelling capability (16.7%), and gradual degradation ability, significantly stimulating osteogenic differentiation and in vivo cranial bone regeneration. Overall, this study may provide new insights into the design of biomimetic hydrogels for treating cranial bone defects after TBI.
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AQUACULTURE
·
2022
·
IF 5.135
Xulu Chang,Meiru Kang,Lili Yun,Yihao Shen,Junchang Feng,Guokun Yang,Jianxin Zhang,Xiaolin Meng
Host-derived probiotics are widely used in aquaculture because they are able to adapt to the host intestinal environment more easily than other probiotics. However, decreased numbers and activity of live probiotics that occur during processing, storage, transportation, and consumption hinders the increased use of probiotics. In this study, the ability of sodium gluconate to promote the growth of Bacillus velezensis R7–1003, isolated from the intestinal tract of the common carp , was evaluated in vivo. The actions of dietary supplementation with B. velezensis R7–1003 and/or sodium gluconate were investigated in the common carp with respect to growth, the morphology of the intestine, digestive and immune functions, and antioxidant capacity, as well as intestinal microbiota. The results revealed that the addition of 0.3 and 0.6% sodium gluconate to the diet increased B. velezensis R7–1003 growth in the intestinal tract of the common carp. Furthermore, 0.6% sodium gluconate exhibited better results than 0.3%. A diet with host–derived B. velezensis R7–1003 supplementation improved the growth performance of the fish. It also increased the length of the intestinal villi and tight junction gene expression levels, including claudin-2, occludin , and ZO-1 . Host–derived B. velezensis R7–1003 supplementation enhanced the activities of protease, α-amylase, lipase , alkaline phosphatase , acid phosphatase , lysozyme , catalase , glutathione peroxidase , decreased the level of MDA, increased the level of the anti-inflammatory cytokine TGF-β, and decreased the level of the pro-inflammatory cytokine TNF-α. Furthermore, B. velezensis R7–1003 increased the levels of several probiotics, including Lactobacillus and Lactococcus , and bacteria that produce short-chain fatty acids, including Faecalibacterium , Bacteroides , and Clostridium . The ratio of Firmicutes/Bacteroidetes was reduced in the intestine of the common carp. Importantly, this study indicated that the combination of B. velezensis R7–1003 and sodium gluconate provided additional beneficial effects to the common carp. Thus, this study demonstrated that sodium gluconate promoted B. velezensis R7–1003 growth, which increased the growth performance and intestinal health of the common carp. The results indicated that further study is warranted concerning the use of B. velezensis R7–1003 combined with sodium gluconate as a diet supplement in other economically viable fish.
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JOURNAL OF MOLECULAR LIQUIDS
·
2022
·
IF 6.633
Jingbao Wang,Jingmao Zhao,Mohammad Tabish,Fan Shi,Qi Cheng,Lijun Peng
The application of inhibitor as an efficient method to protect Zn Mg Al (ZMA) coated steel is first reported in this work. The inhibition performances of newly synthesized cerium gluconate (CG) for ZMA coated steel in 0.05 M NaCl solution were investigated by scanning electron microscopy (SEM), X-ray photoelectron spectroscope (XPS), electrochemical impedance spectroscopy (EIS) measurements, potentiodynamic polarization (PDP) measurements and neutral salt spray (NSS). The synthesized CG exhibits excellent inhibition efficiency of 98.4% at 200 ppm, which is much better than the individual or combined use of sodium gluconate (SG) and cerium (III) nitrate hexahydrate (CNH). Additionally, CG shows long-term protection for ZMA coated steel. A synergistic inhibition model between Ce oxide/hydroxide precipitation with CG adsorption film is proposed based on the obtained results. This work offers a promising option for the corrosion protection of ZMA coated steel.
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Journal of Energy Chemistry
·
2022
·
IF 13.599
Xiaoqi Liu,Tianyu Li,Zhizhang Yuan,Xianfeng Li
Long duration energy storage (LDES) technologies are vital for wide utilization of renewable energy sources and increasing the penetration of these technologies within energy infrastructures. Herein, we propose a low-cost alkaline all-iron flow battery by coupling ferri/ferro-cyanide redox couple with ferric/ferrous-gluconate complexes redox couple. The designed all-iron flow battery demonstrates a coulombic efficiency of above 99% and an energy efficiency of ∼83% at a current density of 80 mA cm −2 , which can continuously run for more than 950 cycles. Most importantly, the battery demonstrates a coulombic efficiency of more than 99.0% and an energy efficiency of ∼83% for a long duration (∼12, 16 and 20 h per cycle) charge/discharge process. Benefiting from the low cost of iron electrolytes, the overall cost of the all-iron flow battery system can be reached as low as $76.11 per kWh based on a 10 h system with a power of 9.9 kW. This work provides a new option for next-generation cost-effective flow batteries for long duration large scale energy storage.
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INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2022
·
IF 4.326
Huangying Wang,Junying Yan,Rong Fu,Haiyang Yan,Chenxiao Jiang,Yaoming Wang,Tongwen Xu
Bipolar membrane electrodialysis (BMED) is an environmentally friendly, high-effective technique for the cleaner production of gluconic acid. However, the unsatisfactory purity and low concentration of the regenerated base limit the applicable field of the byproduct for further utilization. In this study, BMED was applied for the cleaner production of gluconic acid from the perspective of the regenerated base. First, four types of cation-exchange membrane were screened for the BMED process by evaluating the performances of current efficiency, purity of regenerated base, and energy consumption. The BMED performances follow the order of CMX > TWEDC > CJMC-5 > CJMC-3. Furthermore, the effects of current density, the volume ratio between salt and base compartment on the BMED performances were optimized. A high base purity of 96.6% was obtained at a current density of 40 mA/cm2, while a high base concentration of 4.58 mol/L could be reached by applying a high volume ratio of 5:1 between the salt and base compartment. Moreover, the mechanism on the leakage of organic salts into the regenerated base was elucidated. The purity of the regenerated base was attributed to diffusion and electromigration. Diffusion dialysis experiments demonstrated that the permeability of gluconate through the CMX was 4.7 times of that through the BP-1. It was also found that the leakage of gluconate into the base could be alleviated at a low current density ranging from 20 to 50 mA/cm2. Finally, the regenerated base was subjected to the enzyme catalyst experiment for conversion of glucose into gluconate. This proof-of-concept study demonstrates that the regenerated base from the BMED process could be valorized to the upstream route for a closed-loop cleaner production.
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