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High Voltage Mg-Doped Na 0.67 Ni 0.3 − x Mg x Mn 0.7 O 2 ( x = 0.05, 0.1) Na- Ion Cathodes with Enhanced Stability and Rate Capability
(American Chemical Society, 2016-07-26)
Magnesium substituted P2-structure Na0.67Ni0.3Mn0.7O2 materials have been prepared by a facile solid-state method and investigated as cathodes in sodium-ion batteries. The Mg-doped materials described here were characterized ...
Review—Innovative Polymeric Materials for Better RechargeableBatteries: Strategies from CIC Energigune
(The Electrochemical Society, 2019)
The need for sustainable energy sources and their efficient utilization has motivated extensive explorations of new electrolytes, electrodes, and alternative battery chemistries departing from current lithium-ion battery ...
Electrolytes and Interphases in Sodium‐Based Rechargeable Batteries: Recent Advances and Perspectives
(Wiley, 2020-05)
For sodium (Na)-rechargeable batteries to compete, and go beyond the currently prevailing Li-ion technologies, mastering the chemistry and accompanying phenomena is of supreme importance. Among the crucial components of ...
Flat-shaped carbon-graphene microcomposites as electrodes for high energy supercapacitors
(Royal Society of Chemistry, 2019-06-28)
Herein, we report a simple approach for the preparation of phosphate-functionalized carbonaceous graphene-based composites. The homogeneous deposition of a thin layer of phenolic resin on the surface of graphene oxide (GO) ...
A synergistic exploitation to produce high-voltage quasi-solid-state lithium metal batteries
(Nature Research, 2021-09-30)
[EN]The energy content increase is of paramount importance for the development of future Li-based batteries. Here, the authors propose a gel polymer electrolyte in combination with a positive electrode comprising of a ...
Graphene-coffee waste derived carbon composites as electrodes for optimized lithium ion capacitors Author links open overlay panel
(Pergamon-Elsevier, 2020-06)
Herein we report an easy, ecofriendly and cheap synthetic approach for the preparation of carbon composites from the pyrolysis and activation of coffee waste and graphene oxide, and their evaluation as potential electrodes ...
Towards a High-Power Si@graphite Anode for Lithium Ion Batteries through a Wet Ball Milling Process
(MDPI, 2020-05-27)
Silicon-based anodes are extensively studied as an alternative to graphite for lithium ion batteries. However, silicon particles suffer larges changes in their volume (about 280%) during cycling, which lead to particles ...
Structure, Composition, Transport Properties, and Electrochemical Performance of the Electrode-Electrolyte Interphase in Non-Aqueous Na-Ion Batteries
(Wiley, 2022-03-11)
[EN] Rechargeable Li-ion battery technology has progressed due to the development of a suitable combination of electroactive materials, binders, electrolytes, additives, and electrochemical cycling protocols that resulted ...
Role of the voltage window on the capacity retention of P2-Na2/3[Fe1/2Mn1/2]O2 cathode material for rechargeable sodium-ion batteries
(Nature Research, 2022-02)
[EN] P2-Na-2/3[Fe1/2Mn1/2]O-2 layered oxide is a promising high energy density cathode material for sodium-ion batteries. However, one of its drawbacks is the poor long-term stability in the operating voltage window of ...
Influence of the Current Density on the Interfacial Reactivity of Layered Oxide Cathodes for Sodium-Ion Batteries
(Wiley, 2022-06)
The full commercialization of sodium-ion batteries (SIBs) is still hindered by their lower electrochemical performance and higher cost ($ W-1 h(-1)) with respect to lithium-ion batteries. Understanding the electrode-electrolyte ...