Publications
364 results found
Zhen Y, Chen Y, Li F, et al., 2021, Ultrafast synthesis of hard carbon anodes for sodium-ion batteries, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol: 118, ISSN: 0027-8424
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- Citations: 28
Zhang M, Wang Y, Liu J, et al., 2021, Facile one-step synthesis and enhanced photocatalytic activity of a WC/ferroelectric nanocomposite, JOURNAL OF MATERIALS CHEMISTRY A, Vol: 9, ISSN: 2050-7488
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- Citations: 5
Xie F, Xu Z, Guo Z, et al., 2021, Disordered carbon anodes for Na-ion batteries-<i>quo vadis</i>?, SCIENCE CHINA-CHEMISTRY, Vol: 64, Pages: 1679-1692, ISSN: 1674-7291
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- Citations: 32
Salihovic M, Schlee P, Herou S, et al., 2021, Monolithic Carbon Spherogels as Freestanding Electrodes for Supercapacitors, ACS APPLIED ENERGY MATERIALS, Vol: 4, Pages: 11183-11193, ISSN: 2574-0962
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- Citations: 5
Sonmez T, Belthle KS, Iemhoff A, et al., 2021, Metal free-covalent triazine frameworks as oxygen reduction reaction catalysts - structure-electrochemical activity relationship, CATALYSIS SCIENCE & TECHNOLOGY, Vol: 11, Pages: 6191-6204, ISSN: 2044-4753
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- Citations: 5
Titirici M, 2021, Bioderived and bioinspired sustainable materials, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 379, ISSN: 1364-503X
Stratford JM, Kleppe AK, Keeble DS, et al., 2021, Correlating Local Structure and Sodium Storage in Hard Carbon Anodes: Insights from Pair Distribution Function Analysis and Solid-State NMR, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol: 143, Pages: 14274-14286, ISSN: 0002-7863
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- Citations: 45
Hoffmann V, Rodriguez Correa C, Sachs S, et al., 2021, Activated Carbon from Corncobs Doped with RuO<inf>2</inf> as Biobased Electrode Material, Electronic Materials, Vol: 2, Pages: 324-343
Bio-based activated carbons with very high specific surface area of >3.000 m² g−1 (based on CO2 adsorption isotherms) and a high proportion of micropores (87% of total SSA) are produced by corncobs via pyrolysis and chemical activation with KOH. The activated carbon is further doped with different proportions of the highly pseudocapacitive transition metal oxide RuO2 to obtain enhanced electrochemical properties and tune the materials for the application in electrochemical double-layer capacitors (EDLC) (supercapacitors). The activated carbon and composites are extensively studied regarding their physico-chemical and electrochemical properties. The results show that the composite containing 40 wt.% RuO2 has an electric conductivity of 408 S m−1 and a specific capacitance of 360 Fg−1. SEM-EDX, XPS, and XRD analysis confirm the homogenous distribution of partly crystalline RuO2 particles on the carbon surface, which leads to a biobased composite material with enhanced electrochemical properties.
Herou S, Bailey JJ, Kok M, et al., 2021, High-Density Lignin-Derived Carbon Nanofiber Supercapacitors with Enhanced Volumetric Energy Density, ADVANCED SCIENCE, Vol: 8
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- Citations: 44
Feng J, Cai R, Magliocca E, et al., 2021, Iron, Nitrogen Co-Doped Carbon Spheres as Low Cost, Scalable Electrocatalysts for the Oxygen Reduction Reaction, ADVANCED FUNCTIONAL MATERIALS, ISSN: 1616-301X
Xie H, Zhang T, Xie R, et al., 2021, Facet Engineering to Regulate Surface States of Topological Crystalline Insulator Bismuth Rhombic Dodecahedrons for Highly Energy Efficient Electrochemical CO<sub>2</sub> Reduction, ADVANCED MATERIALS, Vol: 33, ISSN: 0935-9648
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- Citations: 67
Wen Y, Kok MDR, Tafoya JPV, et al., 2021, Electrospinning as a route to advanced carbon fibre materials for selected low-temperature electrochemical devices: A review, JOURNAL OF ENERGY CHEMISTRY, Vol: 59, Pages: 492-529, ISSN: 2095-4956
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- Citations: 34
Tapia-Ruiz N, Armstrong AR, Alptekin H, et al., 2021, 2021 roadmap for sodium-ion batteries, JOURNAL OF PHYSICS-ENERGY, Vol: 3, ISSN: 2515-7655
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- Citations: 113
Olsson E, Cottom J, Au H, et al., 2021, Investigating the effect of edge and basal plane surface functionalisation of carbonaceous anodes for alkali metal (Li/Na/K) ion batteries, CARBON, Vol: 177, Pages: 226-243, ISSN: 0008-6223
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- Citations: 13
Zhou B, Das A, Zhong M, et al., 2021, Photoelectrochemical imaging system with high spatiotemporal resolution for visualizing dynamic cellular responses, BIOSENSORS & BIOELECTRONICS, Vol: 180, ISSN: 0956-5663
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- Citations: 14
Au H, Alptekin H, Jensen ACS, et al., 2021, A revised mechanistic model for sodium insertion in hard carbons (vol 13, pg 3469, 2020), ENERGY & ENVIRONMENTAL SCIENCE, Vol: 14, Pages: 3216-3216, ISSN: 1754-5692
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- Citations: 7
Yang K, Li Y, Jia L, et al., 2021, Atomic/nano-scale in-situ probing the shuttling effect of redox mediator in Na-O<sub>2</sub> batteries, JOURNAL OF ENERGY CHEMISTRY, Vol: 56, Pages: 438-443, ISSN: 2095-4956
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- Citations: 8
Zhang S, Teck AA, Guo Z, et al., 2021, Carbon Composite Anodes with Tunable Microstructures for Potassium-Ion Batteries, BATTERIES & SUPERCAPS, Vol: 4, Pages: 663-670
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- Citations: 16
Robinson J, Xi K, Kumar RV, et al., 2021, 2021 roadmap on lithium sulfur batteries, Journal of Physics: Energy, Vol: 3, ISSN: 2515-7655
Batteries that extend performance beyond the intrinsic limits of Li-ion batteries are among the most important developments required to continue the revolution promised by electrochemical devices. Of these next-generation batteries, lithium sulfur (Li–S) chemistry is among the most commercially mature, with cells offering a substantial increase in gravimetric energy density, reduced costs and improved safety prospects. However, there remain outstanding issues to advance the commercial prospects of the technology and benefit from the economies of scale felt by Li-ion cells, including improving both the rate performance and longevity of cells. To address these challenges, the Faraday Institution, the UK's independent institute for electrochemical energy storage science and technology, launched the Lithium Sulfur Technology Accelerator (LiSTAR) programme in October 2019. This Roadmap, authored by researchers and partners of the LiSTAR programme, is intended to highlight the outstanding issues that must be addressed and provide an insight into the pathways towards solving them adopted by the LiSTAR consortium. In compiling this Roadmap we hope to aid the development of the wider Li–S research community, providing a guide for academia, industry, government and funding agencies in this important and rapidly developing research space.
Titirici M-M, 2021, Sustainable Batteries-Quo Vadis?, ADVANCED ENERGY MATERIALS, Vol: 11, ISSN: 1614-6832
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- Citations: 41
Ramadan S, Lobo R, Zhang Y, et al., 2021, Carbon-dot-enhanced graphene field-effect transistors for uitrasensitive detection of exosomes, ACS Applied Materials and Interfaces, Vol: 13, Pages: 7854-7864, ISSN: 1944-8244
Graphene field-effect transistors (GFETs) are suitable building blocks for high-performance electrical biosensors, because graphene inherently exhibits a strong response to charged biomolecules on its surface. However, achieving ultralow limit-of-detection (LoD) is limited by sensor response time and screening effect. Herein, we demonstrate that the detection limit of GFET biosensors can be improved significantly by decorating the uncovered graphene sensor area with carbon dots (CDs). The developed CDs-GFET biosensors used for exosome detection exhibited higher sensitivity, faster response, and three orders of magnitude improvements in the LoD compared with nondecorated GFET biosensors. A LoD down to 100 particles/μL was achieved with CDs-GFET sensor for exosome detection with the capability for further improvements. The results were further supported by atomic force microscopy (AFM) and fluorescent microscopy measurements. The high-performance CDs-GFET biosensors will aid the development of an ultrahigh sensitivity biosensing platform based on graphene for rapid and early diagnosis of diseases.
Baragau I-A, Power NP, Morgan DJ, et al., 2021, Efficient Continuous Hydrothermal Flow Synthesis of Carbon Quantum Dots from a Targeted Biomass Precursor for On-Off Metal Ions Nanosensing, ACS SUSTAINABLE CHEMISTRY & ENGINEERING, Vol: 9, Pages: 2559-2569, ISSN: 2168-0485
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- Citations: 33
Herou S, Ribadeneyra MC, Schlee P, et al., 2021, The impact of having an oxygen-rich microporous surface in carbon electrodes for high-power aqueous supercapacitors, Journal of Energy Chemistry, Vol: 53, Pages: 36-48, ISSN: 2095-4956
The growth of electrical transportation is crucially important to mitigate rising climate change concerns regarding materials supply. Supercapacitors are high-power devices, particularly suitable for public transportation since they can easily store breaking energy due to their high-rate charging ability. Additionally, they can function with two carbon electrodes, which is an advantage due to the abundance of carbon in biomass and other waste materials (i.e., plastic waste). Newly developed supercapacitive nanocarbons display extremely narrow micropores (<0.8 nm), as it increases drastically the capacitance in aqueous electrolytes. Here, we present a strategy to produce low-cost flexible microporous electrodes with extremely high power density (>100 kW kg−1), using fourty times less activating agent than traditionnal chemically activated carbons. We also demonstrate that the affinity between the carbon and the electrolyte is of paramount importance to maintain rapid ionic diffusion in narrow micropores. Finally, this facile synthesis method shows that low-cost and bio-based free-standing electrode materials with reliable supercapacitive performances can be used in electrochemistry.
Barr MR, Jervis R, Zhang Y, et al., 2021, Towards a mechanistic understanding of particle shrinkage during biomass pyrolysis via synchrotron X-ray microtomography and in-situ radiography, Scientific Reports, Vol: 11, Pages: 1-13, ISSN: 2045-2322
Accurate modelling of particle shrinkage during biomass pyrolysis is key to the production of biochars with specific morphologies. Such biochars represent sustainable solutions to a variety of adsorption-dependent environmental remediation challenges. Modelling of particle shrinkage during biomass pyrolysis has heretofore been based solely on theory and ex-situ experimental data. Here we present the first in-situ phase-contrast X-ray imaging study of biomass pyrolysis. A novel reactor was developed to enable operando synchrotron radiography of fixed beds of pyrolysing biomass. Almond shell particles experienced more bulk shrinkage and less change in porosity than did walnut shell particles during pyrolysis, despite their similar composition. Alkaline pretreatment was found to reduce this difference in feedstock behaviour. Ex-situ synchrotron X-ray microtomography was performed to study the effects of pyrolysis on pore morphology. Pyrolysis led to a redistribution of pores away from particle surfaces, meaning newly formed surface area may be less accessible to adsorbates.
Nandan R, Pandey P, Gautam A, et al., 2021, Atomic Arrangement Modulation in CoFe Nanoparticles Encapsulated in N-Doped Carbon Nanostructures for Efficient Oxygen Reduction Reaction, ACS APPLIED MATERIALS & INTERFACES, Vol: 13, Pages: 3771-3781, ISSN: 1944-8244
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- Citations: 26
Liu X, Qian X, Tang W, et al., 2021, Designer uniform Li plating/stripping through lithium–cobalt alloying hierarchical scaffolds for scalable high-performance lithium-metal anodes, Journal of Energy Chemistry, Vol: 52, Pages: 385-392, ISSN: 2095-4956
Lithium metal anodes are of great interest for advanced high-energy density batteries such as lithium-air, lithium-sulfur and solid-state batteries, due to their low electrode potential and ultra-high theoretical capacity. There are, however, several challenges limiting their practical applications, which include low coulombic efficiency, the uncontrollable growth of dendrites and poor rate capability. Here, a rational design of 3D structured lithium metal anodes comprising of in-situ growth of cobalt-decorated nitrogen-doped carbon nanotubes on continuous carbon nanofibers is demonstrated via electrospinning. The porous and free-standing scaffold can enhance the tolerance to stresses resulting from the intrinsic volume change during Li plating/stripping, delivering a significant boost in both charge/discharge rates and stable cycling performance. A binary Co-Li alloying phase was generated at the initial discharge process, creating more active sites for the Li nucleation and uniform deposition. Characterization and density functional theory calculations show that the conductive and uniformly distributed cobalt-decorated carbon nanotubes with hierarchical structure can effectively reduce the local current density and more easily absorb Li atoms, leading to more uniform Li nucleation during plating. The current work presents an advance on scalable and cost-effective strategies for novel electrode materials with 3D hierarchical microstructures and mechanical flexibility for lithium metal anodes.
Favero S, Stephens IEL, Titirici MM, 2021, Engineering the Electrochemical Interface of Oxygen Reduction Electrocatalysts with Ionic Liquids: A Review, ADVANCED ENERGY AND SUSTAINABILITY RESEARCH, Vol: 2, ISSN: 2699-9412
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- Citations: 9
Favero S, Stephens IEL, Titirici MM, 2021, Engineering the Electrochemical Interface of Oxygen Reduction Electrocatalysts with Ionic Liquids: A Review, Advanced Energy and Sustainability Research, Vol: 2, ISSN: 2699-9412
Yang P, Wang R, Tao H, et al., 2021, Cobalt Nitride Anchored on Nitrogen-Rich Carbons for Efficient Carbon Dioxide Reduction with Visible Light, APPLIED CATALYSIS B-ENVIRONMENTAL, Vol: 280, ISSN: 0926-3373
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- Citations: 45
Pang Y, Xie H, Sun Y, et al., 2020, Electrochemical oxygen reduction for H<sub>2</sub>O<sub>2</sub> production: catalysts, pH effects and mechanisms, JOURNAL OF MATERIALS CHEMISTRY A, Vol: 8, Pages: 24996-25016, ISSN: 2050-7488
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- Citations: 73
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