Savithri Vishwanathan

Author response for "Sustainable route for the synthesis of interconnected porous graphitic carbon: Addressing the trade-off between surface area and conductivity"

Himani Saini, Savithri Vishwanathan, Vijayakumar Gangaiah, Rohit Thakur et autres

Sustainable route for the synthesis of interconnected porous graphitic carbon: addressing the trade-off between surface area and conductivity

Himani Saini, Savithri Vishwanathan, Vijayakumar Gangaiah, Rohit Thakur et autres

The interconnected porous graphitic carbon is synthesized using eco-friendly route by optimizing various parameters to obtain properties like high specific surface area without compromising graphitization and electrical conductivity.

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Experimental and Theoretical Insights on Interface Engineered FeS/rGO as Anode for Fast‐Charging Lithium‐ and Sodium‐Ion Batteries

Savithri Vishwanathan, Manish Kumar Mohanta, Puru Jena, H. S. S. Ramakrishna Matte

Interface engineering facilitates the development of stable energy storage devices that can endure the severe changes encountered during operation. In the context of fast-charging anodes for lithium- and sodium-ion batteries (LIBs and SIBs), the interface needs to promote charge/ion transfer processes, enhance …

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Micro/Nanostructured Co3O4 as an Anode Material for Lithium-Ion Batteries

Himani Saini, Savithri Vishwanathan, S. Sil, Nallaperumal Shunmuga Kumar et autres

Co 3 O 4 is considered to be a promising alternative to the conventional graphite anode material for lithium-ion batteries (LIBs) due to its high theoretical specific capacity. However, its poor conductivity, short diffusion length, and significant volume changes during the lithiation …

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Solution‐Processed MoS2‐Expanded Graphite as a Fast‐Charging Anode for Lithium‐Ion Batteries

Kenneth Lobo, Sreejesh Moolayadukkam, Savithri Vishwanathan, H. S. S. Ramakrishna Matte

Abstract The widespread demand for battery‐powered technologies has propelled the search for efficient and commercially viable electrode materials with fast‐charging abilities. Reported herein is an MoS2‐expanded graphite (EG) composite as a stable and high‐rate lithium‐ion battery (LIB) anode, delivering specific capacities of …

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Amorphous Anode Materials for Fast‐charging Lithium‐ion Batteries

Savithri Vishwanathan, Harshit Pandey, H. S. S. Ramakrishna Matte

Abstract Fast‐charging technology is set to revolutionize the field of lithium‐ion batteries (LIBs), driving the creation of next‐generation devices with the ability to get charged within a short span of time. From the anode perspective, it is of paramount importance to design …

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3R-NbS 2 as a highly stable anode for sodium-ion batteries

Savithri Vishwanathan, Pallellappa Chithaiah, H. S. S. Ramakrishna Matte, C. N. R. Rao

3R-NbS 2 obtained from solid-state synthetic route was employed as an SIB anode material and exhibited a remarkable cycling stability for 2500 cycles at 0.5 A g −1 .

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Topochemically synthesized Nb 3 VS 6 as a stable anode for sodium-ion batteries

Harshit Pandey, Pallellappa Chithaiah, Savithri Vishwanathan, H. S. S. Ramakrishna Matte et autres

Nb 3 VS 6 is topochemically synthesized using Nb–V–HDA complex and H 2 S gas as the sulfidation agent. When used as an anode for SIBs it exhibits an excellent cyclic stability as high as 2500 cycles.

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Amorphous MnO2-Modified FeOOH Ternary Composite with High Pseudocapacitance As Anode for Lithium-Ion Batteries

Savithri Vishwanathan, Sreejesh Moolayadukkam, Vijaya Kumar Gangaiah, H. S. S. Ramakrishna Matte

The development of high-capacity anodes that are stable at high rates is of immediate interest as a potential alternative to the commercial graphite anode in lithium-ion batteries (LIBs). Conversion-based transition metal oxides, known for their high theoretical capacities, have been extensively studied …

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Low temperature synthesis of crystalline pyrite FeS 2 for high energy density supercapacitors

Savithri Vishwanathan, H. S. S. Ramakrishna Matte

Crystalline pyrite-FeS 2 is synthesised by low-temperature solid-state annealing of FeOOH, a metastable precursor, in the presence of H 2 S gas. High energy density SCs are fabricated with FeS 2 electrodes using organic and IL-based electrolytes.

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Metal–Organic Framework-Derived Co-Doped ZnO Nanostructures Anchored on N-Doped Carbon as a Room-Temperature Chemiresistive Hydrogen Sensor

Marilyn Esclance DMello, Savithri Vishwanathan, Vasudeva Rao Bakuru, Ganapati V. Shanbhag et autres

The impending need to utilize H 2 for multiple applications has surged the need to develop H 2 sensors. Development of selective and rapid room-temperature H 2 sensors is an uphill task without the doping of precious metals (Pd, Pt, and Au) …

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Unveiling the effect of the crystalline phases of iron oxyhydroxide for highly sensitive and selective detection of dopamine

Sreejesh Moolayadukkam, Savithri Vishwanathan, Byeongsun Jun, Sang Uck Lee et autres

) and the lowest detection limit (0.56 μM). The enhanced electrocatalytic activity of β-FeOOH, as compared to that of α- and γ-FeOOH, was attributed to its higher active site percentage and facile electrode kinetics. Furthermore, theoretical studies probed into the DA-FeOOH interactions …

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