Vanchiappan Aravindan
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View article: Polyaniline–Polypyrrole Composites for Improved Energy Storage: A Critical Evaluation
Polyaniline–Polypyrrole Composites for Improved Energy Storage: A Critical Evaluation Open
The well‐known two conducting polymers, polyaniline (PANI) and polypyrrole (PPy), are experimented for their synergy in improving their energy storage property in the form of symmetric supercapacitors using aqueous acidic electrolyte 1 M H…
View article: Crucial Role of Solvent and Additive During the Transformation of Liquid to Solid Polymer Electrolyte for Stabilizing 4.8 V Class LiCo <sub>0.9</sub> Fe <sub>0.1</sub> PO <sub>4</sub> Cathode in Anode and Anodeless Assemblies
Crucial Role of Solvent and Additive During the Transformation of Liquid to Solid Polymer Electrolyte for Stabilizing 4.8 V Class LiCo <sub>0.9</sub> Fe <sub>0.1</sub> PO <sub>4</sub> Cathode in Anode and Anodeless Assemblies Open
Here, a new class of solid electrolyte is successfully demonstrated, the so‐called gel‐solid polymer electrolyte (G‐SPE), for the stabilization of high‐voltage cathodes. This work aims to optimize the suitable G‐SPE configuration, wherein …
View article: Durable, rate-capable and high-energy hybrid supercapacitor from PANI/ZnO/SnO<sub>2</sub> nanocomposite with zero-waste electrolyte approach
Durable, rate-capable and high-energy hybrid supercapacitor from PANI/ZnO/SnO<sub>2</sub> nanocomposite with zero-waste electrolyte approach Open
The supercapacitors containing the composite of PANI, ZnO and SnO 2 synthesized in single-step were tested using two electrolytes. The liquid by-product of PANI synthesis was used as an electrolyte for the fabrication (waste to wealth).
View article: <i>In situ</i> transformation of a liquid electrolyte into a solid polymer electrolyte: influence of TMSP in a layered LiNi<sub>0.82</sub>Mn<sub>0.12</sub>Al<sub>0.06</sub>O<sub>2</sub> cathode
<i>In situ</i> transformation of a liquid electrolyte into a solid polymer electrolyte: influence of TMSP in a layered LiNi<sub>0.82</sub>Mn<sub>0.12</sub>Al<sub>0.06</sub>O<sub>2</sub> cathode Open
Herein, we employed the concept of in situ polymerization of a liquid electrolyte to enhance the interfacial stability of a solid polymer electrolyte (SPE) along with TMSP as additive.
View article: Investigation of Zr doping and Electrochemical study on Li1+xTa1–xZrxSiO5 (&lt;italic&gt;x&lt;/italic&gt; = 0–0.3) Solid Electrolyte for Lithium-Ion Battery
Investigation of Zr doping and Electrochemical study on Li1+xTa1–xZrxSiO5 (<italic>x</italic> = 0–0.3) Solid Electrolyte for Lithium-Ion Battery Open
Materials with high lithium-ion conductivity are promising for use as electrolytes in solid-state batteries. However, several technical challenges, such as stability in air and optimal synthetic conditions, inhibit their extensive applicat…
View article: Reduced graphene oxide from dead Li-ion batteries with β-Co(OH) <sub>2</sub> as a potential electrode for enhanced charge storage capabilities
Reduced graphene oxide from dead Li-ion batteries with β-Co(OH) <sub>2</sub> as a potential electrode for enhanced charge storage capabilities Open
The supercapacitive studies of the composites of reduced graphene oxide (rGO)/β-Co(OH) 2 , in which the source of graphite used for the synthesis of rGO is the graphite recovered from spent Li-ion batteries.
View article: SnO2 as an alloy anode for Li-based dual-ion battery with enhanced performance
SnO2 as an alloy anode for Li-based dual-ion battery with enhanced performance Open
Dual-ion batteries are emerging energy storage devices with dual-ion-involved charge storage mechanisms. In this work, we have proposed SnO2 as an anode for dual-ion battery (DIB) applications with a restricted potential window (<1 V vs. L…
View article: The electrochemical comparisons of reduced graphene oxide synthesized from pristine and recovered graphite from spent Li-ion batteries
The electrochemical comparisons of reduced graphene oxide synthesized from pristine and recovered graphite from spent Li-ion batteries Open
Two reduced graphene oxides (rGO) were synthesized using two carbon sources, namely pristine graphite (rGO-PG), and recovered graphite (rGO-RG) (graphite recovered from spent Li-ion batteries) by modified hummers method and followed by the…
View article: Controlled Synthesis of SnO<sub>2</sub> Nanostructures as Alloy Anode via Restricted Potential Toward Building High‐Performance Dual‐Ion Batteries with Graphite Cathode
Controlled Synthesis of SnO<sub>2</sub> Nanostructures as Alloy Anode via Restricted Potential Toward Building High‐Performance Dual‐Ion Batteries with Graphite Cathode Open
Dual‐ion batteries (DIBs) are considered one of the promising energy storage devices in which graphite serves as a bi‐functional electrode, i.e., anode and cathode in the aprotic organic solvents. Unlike conventional lithium‐ion batteries …
View article: Probing Enhanced Electrochemical Performance of Poly (3,4‐ethylenedioxy Thiophene) Encapsulated 5.3 V Spinel LiCoMnO <sub>4</sub> Cathode for Li‐ion Batteries
Probing Enhanced Electrochemical Performance of Poly (3,4‐ethylenedioxy Thiophene) Encapsulated 5.3 V Spinel LiCoMnO <sub>4</sub> Cathode for Li‐ion Batteries Open
Herein, the effect of poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT) coating is reported on the electrochemical properties of high voltage, 5.3 V lithium cobalt manganese oxide (LiCoMnO 4 , LCMO) cathodes. Scalable precipit…
View article: Scalable Synthesis of Bulk TiO<sub>2</sub> Hybrids Toward Efficient Li‐Storage Performance in “Rocking‐Chair” Type Full‐Cell Assembly With High Voltage LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> Cathode
Scalable Synthesis of Bulk TiO<sub>2</sub> Hybrids Toward Efficient Li‐Storage Performance in “Rocking‐Chair” Type Full‐Cell Assembly With High Voltage LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> Cathode Open
Exploring anode materials with outstanding safety, high capacities, and superior rate performance for lithium‐ion batteries (LIBs) remains a constant objective. A simple and green synthesis method with an excellent electrochemical performa…
View article: Shaping the future of hybrid ion capacitors
Shaping the future of hybrid ion capacitors Open
Vanchiappan Aravindan, Martin Oschatz, Konstantin Schutjajew and Marta Sevilla introduce this themed collection on hybrid ion capacitors.
View article: High‐performance Li‐ion capacitor via anion‐intercalation process
High‐performance Li‐ion capacitor via anion‐intercalation process Open
Supercapacitors are characterized by their fast charge/discharge capability, high‐power capability, and long cycle life, but low‐energy‐density impedes their practical application. The requirement of achieving a highly efficient energy sto…
View article: Modulating Anion Redox Activity of Li<sub>1.2</sub>Mn<sub>0.54</sub>Ni<sub>0.13</sub>Co<sub>0.13</sub>O<sub>2</sub> through Strong Sr–O Bonds toward Achieving Stable Li-Ion Half-/Full-Cell Performance
Modulating Anion Redox Activity of Li<sub>1.2</sub>Mn<sub>0.54</sub>Ni<sub>0.13</sub>Co<sub>0.13</sub>O<sub>2</sub> through Strong Sr–O Bonds toward Achieving Stable Li-Ion Half-/Full-Cell Performance Open
Controlled synthesis and compositional modification of Li-rich layered oxides (LLOs) Li1.2Mn0.54Co0.13Ni0.13O2 is considered as a potential strategy to achieve high structural stability/reversibility, suppressed voltage/capacity fading, an…
View article: Metal‐Ion Capacitors with Anion Intercalation Process
Metal‐Ion Capacitors with Anion Intercalation Process Open
The advancement of the modern world demands high‐performance electrical energy storage devices such as metal‐ion capacitors and dual‐ion batteries, and they receive much attention recently with the merits of cost‐effectiveness, safety, env…
View article: Production of AL-SiC Composite Metal Matrix with Stir Casting Principle
Production of AL-SiC Composite Metal Matrix with Stir Casting Principle Open
Paper Alloys like aluminum are substantially used in vehicle industries and aerospace the density is lower and appropriate mechanical houses, higher resistance to corrosion and to put on, low thermal expansion coefficient compared to tradi…
View article: Morphology controlled lithium storage in Li<sub>3</sub>VO<sub>4</sub> anodes
Morphology controlled lithium storage in Li<sub>3</sub>VO<sub>4</sub> anodes Open
Li3VO4 (LVO) anode materials with controllable morphologies ranging from spherical-assemblies, single-crystal nanorods, and flower shapes to bulk-shapes were fabricated via a solvothermal approach using different alcohols.
View article: Correction: Cu-doped P2-Na<sub>0.5</sub>Ni<sub>0.33</sub>Mn<sub>0.67</sub>O<sub>2</sub> encapsulated with MgO as a novel high voltage cathode with enhanced Na-storage properties
Correction: Cu-doped P2-Na<sub>0.5</sub>Ni<sub>0.33</sub>Mn<sub>0.67</sub>O<sub>2</sub> encapsulated with MgO as a novel high voltage cathode with enhanced Na-storage properties Open
Correction for ‘Cu-doped P2-Na0.5Ni0.33Mn0.67O2 encapsulated with MgO as a novel high voltage cathode with enhanced Na-storage properties’ by Hari Vignesh Ramasamy et al., J. Mater. Chem. A, 2017, DOI: 10.1039/c6ta10334k.
View article: Exploring the influence of iron substitution in lithium rich layered oxides Li<sub>2</sub>Ru<sub>1−x</sub>Fe<sub>x</sub>O<sub>3</sub>: triggering the anionic redox reaction
Exploring the influence of iron substitution in lithium rich layered oxides Li<sub>2</sub>Ru<sub>1−x</sub>Fe<sub>x</sub>O<sub>3</sub>: triggering the anionic redox reaction Open
The partial substitution of Ru with Fe in Li2RuO3 stabilises the layered structure during cycling, leading to a stable capacity of ∼250 mA h g–1.
View article: Ultralong Durability of Porous α‐Fe<sub>2</sub>O<sub>3</sub> Nanofibers in Practical Li‐Ion Configuration with LiMn<sub>2</sub>O<sub>4</sub> Cathode
Ultralong Durability of Porous α‐Fe<sub>2</sub>O<sub>3</sub> Nanofibers in Practical Li‐Ion Configuration with LiMn<sub>2</sub>O<sub>4</sub> Cathode Open
Prelithiated, electrospun α-Fe2O3 nanofibers display an exceptional cycleability when it is paired with commercial LiMn2O4 cathode in full-cell assembly. The performance of such α-Fe2O3 nanofibers is mainly due to the presence of unique mo…
View article: TiO2 polymorphs in ‘rocking-chair’ Li-ion batteries
TiO2 polymorphs in ‘rocking-chair’ Li-ion batteries Open
This review describes the overall research activities focused on developing high-performance Li-ion batteries (LIBs) fabricated with various TiO2 polymorphs as insertion anodes. Although several polymorphs of TiO2 have been reported, only …