20 results found
Marriam I, Tebyetekerwa M, Xu Z, et al., 2021, Techniques enabling inorganic materials into wearable fiber/yarn and flexible lithium-ion batteries, ENERGY STORAGE MATERIALS, Vol: 43, Pages: 62-84, ISSN: 2405-8297
Ouyang Y, Zong W, Wang J, et al., 2021, Multi-scale uniform Li regulation triggered by tunable electric field distribution on oxygen-functionalized porous framework for flexible Li-S full batteries, ENERGY STORAGE MATERIALS, Vol: 42, Pages: 68-77, ISSN: 2405-8297
Liu H, Xu Z, Guo Z, et al., 2021, A life cycle assessment of hard carbon anodes for sodium-ion batteries, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, Vol: 379, ISSN: 1364-503X
Guo Z, Xu Z, Xie F, et al., 2021, Strategies for High Energy Density Dual‐Ion Batteries Using Carbon‐Based Cathodes, Advanced Energy and Sustainability Research, Vol: 2, Pages: 2100074-2100074, ISSN: 2699-9412
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
Xu Z, Guo Z, Madhu R, et al., 2021, Homogenous metallic deposition regulated by defect-rich skeletons for sodium metal batteries, ENERGY & ENVIRONMENTAL SCIENCE, ISSN: 1754-5692
Xie F, Xu Z, Guo Z, et al., 2021, Disordered carbon anodes for Na-ion batteries-quo vadis?, SCIENCE CHINA-CHEMISTRY, Vol: 64, Pages: 1679-1692, ISSN: 1674-7291
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
Zhu Z, Xu Z, 2020, The rational design of biomass-derived carbon materials towards next-generation energy storage: A review, RENEWABLE & SUSTAINABLE ENERGY REVIEWS, Vol: 134, ISSN: 1364-0321
Tebyetekerwa M, Zhang J, Xu Z, et al., 2020, Mechanisms and Applications of Steady-State Photoluminescence Spectroscopy in Two-Dimensional Transition-Metal Dichalcogenides, ACS NANO, Vol: 14, Pages: 14579-14604, ISSN: 1936-0851
Xie F, Xu Z, Jensen ACS, et al., 2019, Unveiling the role of hydrothermal carbon dots as anodes in sodium-ion batteries with ultrahigh initial coulombic efficiency, JOURNAL OF MATERIALS CHEMISTRY A, Vol: 7, Pages: 27567-27575, ISSN: 2050-7488
Zabihi F, Tebyetekerwa M, Xu Z, et al., 2019, Perovskite solar cell-hybrid devices: thermoelectrically, electrochemically, and piezoelectrically connected power packs, JOURNAL OF MATERIALS CHEMISTRY A, Vol: 7, Pages: 26661-26692, ISSN: 2050-7488
Wang J, Pozegic TR, Xu Z, et al., 2019, Cellulose nanocrystal-polyetherimide hybrid nanofibrous interleaves for enhanced interlaminar fracture toughness of carbon fibre/epoxy composites, COMPOSITES SCIENCE AND TECHNOLOGY, Vol: 182, ISSN: 0266-3538
Xu Z, Xie F, Wang J, et al., 2019, All-Cellulose-Based Quasi-Solid-State Sodium-Ion Hybrid Capacitors Enabled by Structural Hierarchy, ADVANCED FUNCTIONAL MATERIALS, Vol: 29, ISSN: 1616-301X
Xie F, Xu Z, Jensen ACS, et al., 2019, Hard–Soft Carbon Composite Anodes with Synergistic Sodium Storage Performance, Advanced Functional Materials, Vol: 0, Pages: 1901072-1901072
Abstract A series of hard–soft carbon composite materials is produced from biomass and oil waste and applied as low-cost anodes for sodium-ion batteries to study the fundamentals behind the dependence of Na storage on their structural features. A good reversible capacity of 282 mAh g−1 is obtained at a current density of 30 mA g−1 with a high initial Coulombic efficiency of 80% at a carbonization temperature of only 1000 °C by adjusting the ratio of hard to soft carbon. The performance is superior to the pure hard or soft carbon anodes produced at the same temperatures. This synergy between hard and soft carbon resulting in an excellent performance is due to the blockage of some open pores in hard carbon by the soft carbon, which suppresses the solid electrolyte interface formation and increases the reversible sodium storage capacity.
Tebyetekerwa M, Marriam I, Xu Z, et al., 2019, Critical insight: challenges and requirements of fibre electrodes for wearable electrochemical energy storage, Energy & Environmental Science, ISSN: 1754-5692
This perspective seeks to provide some critical insights on the challenges facing the development and adoption of fibre (yarn)-based energy storage electrodes in possible future applications of smart textiles. Attention has been given to five major points, viz. the property requirements, the associated characterization techniques, the metrics of quantifying performance, the associated materials and the goals of innovation. Beyond these points, concise conclusions consisting of recommendations have been drawn in each section. The work is intended to guide and stimulate researchers towards an effective and efficient roadmap to obtain the right and best product on the new prospective and exciting market.
Tebyetekerwa M, Xu Z, Li W, et al., 2018, Surface Self-Assembly of Functional Electroactive Nanofibers on Textile Yarns as a Facile Approach toward Super Flexible Energy Storage, ACS Applied Energy Materials, Vol: 1, Pages: 377-386
Tebyetekerwa M, Yang S, Peng S, et al., 2017, Unveiling Polyindole: Freestanding As-electrospun Polyindole Nanofibers and Polyindole/Carbon Nanotubes Composites as Enhanced Electrodes for Flexible All-solid-state Supercapacitors, Electrochimica Acta, Vol: 247, Pages: 400-409, ISSN: 0013-4686
Polyindole(Pind) is one of the conducting polymers (CPs) which previously was less studied but of recent is gaining attention for energy storage applications. In all the few previous reports, when Pind was employed as electrode active material in supercapacitors, the capacitance was reported low with reasonable values only being obtained as a composite with other materials. The reasons underlying the poor performance of Pind and Pind nanocomposites are thought to be: 1) inactive morphology and limited surface area, 2) poor conductivity, and 3) poor electrode fabrication techniques. To address the trio, we employed the traditional, easy and scalable electrospinning technique to fabricate high surface area electroactive Pind nanofibers. Further, a little percentage (10wt.%) of carbon nanotubes (CNTs) were added to enhance the conductivity of Pind and to study the effect of our fabrication route on the nanocomposites. Significant capacitance improvements of up to 238Fg−1 and 476Fg−1 at 1.0Ag−1 for Pind and Pind/CNT freestanding electrospun electrodes, respectively were achieved. Moreover, we report the significant performance of the all-solid-state symmetric, flexible and binder-free supercapacitor fabricated by a one-step and scalable method of as-electrospun Pind/CNT nanofibers on the stainless steel fabric current collector. The supercapacitor showed a high energy density of 17.14W h kg−1 at a power density of 426Wkg−1 and capacitance retention of 95% after 2000 cycles. We strongly believe that we have set a stage for Pind to compete in a healthy race with other CPs as a next generation electrode material for supercapacitors.
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