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High purity Mn

Xiaoqiang SHAN, Fenghua GUO, Wenqian XU, Xiaowei TENG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 383-400 doi: 10.1007/s11708-017-0485-3

Abstract: electrodes with high specific energy by using inexpensive manganese oxides is of great importance for aqueouselectrochemical energy storage (EES) using non-Li charge carriers such as Na-or K-ions.However, the energy density of aqueous EES devices is generally limited by their narrow thermodynamicoverpotential (~ 0.6 V) towards gas evolution reactions, resulting in a stable potential window of 2.5 V in an aqueous

Keywords： manganese oxides Mn5O8     high voltage     aqueous Na-ion storage    

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Enabling nickel ferrocyanide nanoparticles for high-performance ammonium ion storage

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 226-235 doi: 10.1007/s11705-022-2198-3

Abstract: Prussian blue and its analogs are extensively investigated as a cathode for ammonium-ion batteries.An increase in the ammonium-ion diffusion coefficient and ionic/electron conductivity based on kineticFinally, our study reports a desirable material for ammonium-ion batteries and provides a practical approach

Keywords： nickel ferrocyanides     NH4+     electrochemistry     Prussian blue     aqueous ammonium ion    

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Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Frontiers in Energy   Pages 775-781 doi: 10.1007/s11708-023-0902-8

Abstract: Aqueous zinc-ion batteries (ZIBs) have great prospects for widespread application in massive scale energystorage.Therefore, sodium vanadate Na2V6O16·3H2O (NVO) was chosenperformance is mainly attributed to the Al2O3 coating layer, which can increase zinc-ion

Keywords： cathodes     aqueous zinc-ion batteries     sodium vanadate     alumina     coating    

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g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 217-225 doi: 10.1007/s11705-022-2214-7

Abstract: Aqueous zinc-ion batteries are attracting considerable attention because of their high safety comparedwith conventional lithium-ion batteries.Manganese-based materials have been widely developed for zinc-ion batteries cathode owning to their lowsuperior α-MnO2@g-C3N4 was successfully prepared for stable zinc-ion

Keywords： α-MnO2 hollow nanorods     g-C3N4     heterojunction     aqueous Zn-ion    

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Modification of NASICON Electrolyte and Its Application in Real Na-Ion Cells Article

Qiangqiang Zhang, Quan Zhou, Yaxiang Lu, Yuanjun Shao, Yuruo Qi, Xingguo Qi,Guiming Zhong, Yong Yang, Liquan Chen, Yong-Sheng Hu

Engineering 2022, Volume 8, Issue 1,   Pages 170-180 doi: 10.1016/j.eng.2021.04.028

Abstract: Herein, sodium (Na) super ionic conductor (NASICON)-type SSEs with a nominal composition of Na3+sub>2PO12 were synthesized using a facile two-step solid-state method, among which Naenough anodic electrochemical stability to enable high-voltage SSSBs, we first adopted a high-voltage NaNZSP-Mg0.15 NASICON powder onto a polyethylene (PE) separator (PE@NASICON), a 2.42 A∙h non-aqueousNa-ion cell of carbon|PE@NASICON|NaNi2/9Cu1/9Fe1/3Mn1/3O

Keywords： Solid-state electrolytes     Solid-state sodium batteries     NASICON     Interface     Separator     Coating    

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Rapid and long-effective removal of broad-spectrum pollutants from aqueous system by ZVI/oxidants

Sana Ullah, Xuejun Guo, Xiaoyan Luo, Xiangyuan Zhang, Siwen Leng, Na Ma, Palwasha Faiz

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1268-3

Abstract: Abstract • The coupling of oxidants with ZVI overcome the impedance of ZVI passive layer. • ZVI/oxidants system achieved fast and long-effective removal of contaminants. • Multiple mechanisms are involved in contaminants removal by ZVI/oxidant system. • ZVI/Oxidants did not change the reducing property of ORP in the fixed-bed system. Zero-valent iron (ZVI) technology has recently gained significant interest in the efficient sequestration of a wide variety of contaminants. However, surface passivation of ZVI because of its intrinsic passive layer would lead to the inferior reactivity of ZVI and its lower efficacy in contaminant removal. Therefore, to activate the ZVI surface cheaply, continuously, and efficiently is an important challenge that ZVI technology must overcome before its wide-scale application. To date, several physical and chemical approaches have been extensively applied to increase the reactivity of the ZVI surface toward the elimination of broad-spectrum pollutants. Nevertheless, these techniques have several limitations such as low efficacy, narrow working pH, eco-toxicity, and high installation cost. The objective of this mini-review paper is to identify the critical role of oxygen in determining the reactivity of ZVI toward contaminant removal. Subsequently, the effect of three typical oxidants (H2O2, KMnO4, and NaClO) on broad-spectrum contaminants removal by ZVI has been documented and discussed. The reaction mechanism and sequestration efficacies of the ZVI/oxidant system were evaluated and reviewed. The technical basis of the ZVI/oxidant approach is based on the half-reaction of the cathodic reduction of the oxidants. The oxidants commonly used in the water treatment industry, i.e., NaClO, O3, and H2O2, can be served as an ideal coupling electron receptor. With the combination of these oxidants, the surface corrosion of ZVI can be continuously driven. The ZVI/oxidants technology has been compared with other conventional technologies and conclusions have been drawn.

Keywords： Zero-Valent Iron (ZVI)     Oxidants     Heavy Metals (HMs)     Metalloids     Nitrate     Phosphate    

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Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 19-27 doi: 10.1007/s11705-019-1888-y

Abstract: achieve the naked eye detectable colorimetric sensing of several number of less-common metal ions in aqueousThe cation selectivity observed in aqueous media stands in contrast to what is seen in organic solventsThe formation of metal cation complexes under the present aqueous conditions was confirmed by reversed

Keywords： texaphyrin     fluorescent sensor     ion-sensing     indium     mercury    

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Analysis of two new degradation products of arsenic triglutathione in aqueous solution

Feng ZHAO, Yuchen CHEN, Bin QIAO, Jing WANG, Ping NA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 292-300 doi: 10.1007/s11705-012-1208-2

Abstract: Recently, studies have indicated that arsenic triglutathione (As(GS) ) is unstable in an aqueous solutionThe present study was designed to evaluate the degradation mechanism of As(GS) in an aqueous solution

Keywords： arsenic triglutathione     glutathione     HPLC-ESI-MS    

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K+ and Na+ fluxes in roots of two Chinese Iris populations

Pinfang LI,Biao ZHANG

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 2,   Pages 144-149 doi: 10.15302/J-FASE-2014016

Abstract: Maintenance of ion homeostasis, particularly the regulation of K and Na uptake, is important for allObservations on ionic response to salinity and net fluxes of K , Na in the root exhibited by plantsHowever, the Na concentrations in both shoots and roots were lower for Xj than those for Bj.However, no difference in the efflux of Na between the populations was obtained.Population Xj of continued to grow normally under NaCl stress, and maintained a higher K /Na ratio

Keywords： Koidz     population     K+ and Na+     ion flux     non-invasive micro-test technique    

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Fabrication of layered structure VS anchor in 3D graphene aerogels as a new cathode material for lithium ion

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 597-602 doi: doi:10.1007/s11708-018-0576-9

Abstract: more attention for its high theoretical capacity (449 mAh/g with 3e− transfer) in lithium ion

Keywords： VS4     graphene aerogels     cathode     lithium storage    

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The Sodium-Ion Battery: An Energy-Storage Technology for a Carbon-Neutral World

Kai Wu, Xinwei Dou, Xinxin Zhang, Chuying Ouyang

Engineering 2023, Volume 21, Issue 2,   Pages 36-38 doi: 10.1016/j.eng.2022.04.011

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CoS@rGO aerogel pseudocapacitive anode and biomass-derived porous carbon cathode for advanced lithium-ion

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1500-1513 doi: 10.1007/s11705-021-2086-2

Abstract: As a hybrid energy storage device of lithium-ion batteries and supercapacitors, lithium-ion capacitorshave the potential to meet the demanding needs of energy storage equipment with both high power andIn this work, to solve the obstacle to the application of lithium-ion capacitors, that is, the balancingdiffusion and dominant pseudocapacitive energy storage.Therefore, the lithium-ion capacitors anode material delivers a remarkable capacity of 810 mAh∙g

Keywords： in-situ carbon-doped     surface unsaturated sulfur enriched     pseudocapacitive energy storage     biomass-derivedcarbon     lithium-ion capacitors    

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Preparation and lithium storage performances of g-C

Zhengxu BIAN, Zehua TANG, Jinfeng XIE, Junhao ZHANG, Xingmei GUO, Yuanjun LIU, Aihua YUAN, Feng ZHANG, Qinghong KONG

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 759-766 doi: 10.1007/s11708-020-0810-0

Abstract: As the anode material of lithium-ion battery, silicon-based materials have a high theoretical capacityThe superior lithium storage performances benefit from the unique g-C N /Si nanostructure, which improveselectroconductivity, reduces volume expansion, and accelerates lithium-ion transmission compared to

Keywords： reduction     g-C3N4/Si nanocomposites     volume expansion     electroconductivity     lithium-ion    

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Photosynthesis and related metabolic mechanism of promoted rice (Oryza sativa L.) growth by TiO2 nanoparticles

Yingdan Zhang, Na Liu, Wei Wang, Jianteng Sun, Lizhong Zhu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1282-5

Abstract: . • Nano-TiO2 enhanced the energy storage in photosynthesis. • Nano-TiO2 reduced energy consumption inAll these results elucidated that nano-TiO2 promoted rice growth through the upregulation of energy storage

Keywords： Nano-TiO2     Rice     Photosynthesis     Metabolomics     Energy storage    

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Engineering of Sodium-ion Batteries: Opportunities and Challenges Review

Lina Zhao, Teng Zhang, Wei Li, Tao Li, Long Zhang, Xiaoguang Zhang, Zhiyi Wang

Engineering 2023, Volume 24, Issue 5,   Pages 172-183 doi: 10.1016/j.eng.2021.08.032

Abstract: renewables into the grid with stable electricity generation, secondary battery-based electrical energy storageDue to the wide availability and low cost of sodium resources, sodium-ion batteries (SIBs) are regardedThis review discusses in detail the key differences between lithium-ion batteries (LIBs) and SIBs for

Keywords： Electrical energy storage     Sodium-ion batteries     Commercialization     Next generation    

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Title Author Date Type Operation

High purity Mn

Xiaoqiang SHAN, Fenghua GUO, Wenqian XU, Xiaowei TENG

Journal Article

Enabling nickel ferrocyanide nanoparticles for high-performance ammonium ion storage

Journal Article

Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Journal Article

g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Journal Article

Modification of NASICON Electrolyte and Its Application in Real Na-Ion Cells

Qiangqiang Zhang, Quan Zhou, Yaxiang Lu, Yuanjun Shao, Yuruo Qi, Xingguo Qi,Guiming Zhong, Yong Yang, Liquan Chen, Yong-Sheng Hu

Journal Article

Rapid and long-effective removal of broad-spectrum pollutants from aqueous system by ZVI/oxidants

Sana Ullah, Xuejun Guo, Xiaoyan Luo, Xiangyuan Zhang, Siwen Leng, Na Ma, Palwasha Faiz

Journal Article

Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Journal Article

Analysis of two new degradation products of arsenic triglutathione in aqueous solution

Feng ZHAO, Yuchen CHEN, Bin QIAO, Jing WANG, Ping NA

Journal Article

K+ and Na+ fluxes in roots of two Chinese Iris populations

Pinfang LI,Biao ZHANG

Journal Article

Fabrication of layered structure VS anchor in 3D graphene aerogels as a new cathode material for lithium ion

Journal Article

The Sodium-Ion Battery: An Energy-Storage Technology for a Carbon-Neutral World

Kai Wu, Xinwei Dou, Xinxin Zhang, Chuying Ouyang

Journal Article

CoS@rGO aerogel pseudocapacitive anode and biomass-derived porous carbon cathode for advanced lithium-ion

Journal Article

Preparation and lithium storage performances of g-C

Zhengxu BIAN, Zehua TANG, Jinfeng XIE, Junhao ZHANG, Xingmei GUO, Yuanjun LIU, Aihua YUAN, Feng ZHANG, Qinghong KONG

Journal Article

Photosynthesis and related metabolic mechanism of promoted rice (Oryza sativa L.) growth by TiO2 nanoparticles

Yingdan Zhang, Na Liu, Wei Wang, Jianteng Sun, Lizhong Zhu

Journal Article

Engineering of Sodium-ion Batteries: Opportunities and Challenges

Lina Zhao, Teng Zhang, Wei Li, Tao Li, Long Zhang, Xiaoguang Zhang, Zhiyi Wang

Journal Article