Jagjit Nanda
YOU?
Author Swipe
View article: Unravelling electro-chemo-mechanical interplay in layered oxide cathode degradation in solid-state batteries
Unravelling electro-chemo-mechanical interplay in layered oxide cathode degradation in solid-state batteries Open
Solid-state batteries (SSBs) hold notable promise for advancing energy storage technologies. However, their commercial viability is limited by the poor cycle stability and complex degradation mechanism. This study underscores the pivotal r…
View article: Pushing the Limits: Maximizing Energy Density in Silicon Sulfide Solid‐State Batteries
Pushing the Limits: Maximizing Energy Density in Silicon Sulfide Solid‐State Batteries Open
For the first time, we demonstrate a silicon solid‐state battery (SSB) architecture that achieves >400 Wh kg −1 , approaching the theoretical limit for silicon‐based SSBs. This configuration features a 99.9 wt% micro‐Si, a thin sulfide sol…
View article: Tailoring Binder Molecular Weight to Enhance Slurry‐Cast <scp>NMC</scp> Cathodes for Sulfide Solid‐State Batteries
Tailoring Binder Molecular Weight to Enhance Slurry‐Cast <span>NMC</span> Cathodes for Sulfide Solid‐State Batteries Open
We demonstrate for the first time the critical influence of binder molecular weight on the performance of slurry‐cast lithium nickel manganese cobalt oxide (NMC) cathodes in sulfide‐based all‐solid‐state batteries (SSBs). SSBs are increasi…
View article: Mitigating Calendar Aging in Si-NMC Batteries with Advanced Dual-Salt Glyme Electrolytes
Mitigating Calendar Aging in Si-NMC Batteries with Advanced Dual-Salt Glyme Electrolytes Open
In addressing the critical challenge of calendar aging in silicon (Si)-based lithium-ion batteries, this study introduces a groundbreaking strategy utilizing glyme-type dual-salt electrolytes (lithium bis(trifluoromethanesulfonyl)imide [Li…
View article: A comprehensive review of silicon anodes for high-energy lithium-ion batteries: Challenges, latest developments, and perspectives
A comprehensive review of silicon anodes for high-energy lithium-ion batteries: Challenges, latest developments, and perspectives Open
Lithium-ion batteries (LIBs) have become the predominant and widely used energy storage systems in portable electronic devices, such as video cameras, smartphones, laptops, and plug-in hybrid vehicles, along with in stationary energy stora…
View article: Elucidating Polymer Binder Entanglement in Freestanding Sulfide Solid-State Electrolyte Membranes
Elucidating Polymer Binder Entanglement in Freestanding Sulfide Solid-State Electrolyte Membranes Open
This study advances the development of flexible, sheet-type sulfide solid-state electrolytes (SSEs) for use in all-solid-state batteries, emphasizing the important and previously insufficiently investigated role of polymer binder entanglem…
View article: Assessing Nonlinear Polarization in Electrochemical Cells using AC Impedance Spectroscopy
Assessing Nonlinear Polarization in Electrochemical Cells using AC Impedance Spectroscopy Open
AC impedance spectroscopy is widely used to evaluate performance limitations in energy storage and conversion devices (e.g., batteries, supercapacitors, and fuel cells). This work shows that integrating the resistive elements in an equival…
View article: Integrated electro- and chemical characterization of sulfide-based solid-state electrolytes
Integrated electro- and chemical characterization of sulfide-based solid-state electrolytes Open
This review elaborates on the electrochemical characterization methods essential for the advancement sulfide-based solid-state electrolytes for lithium metal batteries, with a focus on the integration of spectroscopic tools like Raman spec…
View article: Tuning lithium–yttrium chloride local structure through coordination control and mixing during synthesis
Tuning lithium–yttrium chloride local structure through coordination control and mixing during synthesis Open
Synthesis of Li 3 YCl 6 is facilitated by the addition of NH 4 Cl. Synthesis method affects local ordering and Li + dynamics as determined by neutron diffraction, impedance and NMR spectroscopy.
View article: Promoting Fast Ion Conduction in Li-Argyrodite through Lithium Sublattice Engineering
Promoting Fast Ion Conduction in Li-Argyrodite through Lithium Sublattice Engineering Open
Fundamental understanding of ionic transport plays a pivotal role in designing and optimizing fast ionic conductors. Here, through a systematic neutron scattering and theoretical investigation, we discovered new insights about how anion su…
View article: Tracking the Initial Capacity Loss in Solid-State Batteries using in-situ Neutron Tomography and Raman Imaging
Tracking the Initial Capacity Loss in Solid-State Batteries using in-situ Neutron Tomography and Raman Imaging Open
Despite their high ionic conductivity and manufacturing advantages, sulfide-based solid-state electrolytes face challenges with initial capacity loss during full cell cycling. We use neutron computed tomography and radiography for in situ …
View article: VO<sub>2</sub> phase change electrodes in Li-ion batteries
VO<sub>2</sub> phase change electrodes in Li-ion batteries Open
The transition of VO 2 from the monoclinic phase to the rutile phase (MIT) showed higher thermal stability and increased electrochemical activity, opening up the possibility of its use as active material in batteries with high-temperature …
View article: Direct Mapping of Fluorine in Cation Disordered Rocksalt Cathodes
Direct Mapping of Fluorine in Cation Disordered Rocksalt Cathodes Open
Cation-disordered rocksalt (DRX) oxides are promising candidates as next-generation cathodes for lithium-ion batteries. Partial fluorination of the DRX oxides enhances their cyclability. However, the lattice position, concentration, and sp…
View article: Enhanced Electrochemical Performance of Disordered Rocksalt Cathodes Enabled by a Graphite Conductive Additive
Enhanced Electrochemical Performance of Disordered Rocksalt Cathodes Enabled by a Graphite Conductive Additive Open
Cobalt-free cation-disordered rocksalt (DRX) cathodes are a promising class of materials for next-generation Li-ion batteries. Although they have high theoretical specific capacities (>300 mA h/g) and moderate operating voltages (∼3.5 V vs…
View article: Adverse Effects of Trace Non-polar Binder on Ion Transport in Free-standing Sulfide Solid Electrolyte Separators
Adverse Effects of Trace Non-polar Binder on Ion Transport in Free-standing Sulfide Solid Electrolyte Separators Open
Sulfide solid-state electrolyte (SE) possesses high room-temperature ionic conductivity. However, fabrication of the free-standing, sheet-type thin sulfide SE film electrolyte to enable all-solid-state batteries to deliver high energy and …
View article: Enhancing the Electrode Gravimetric Capacity of Li<sub>1.2</sub>Mn<sub>0.4</sub>Ti<sub>0.4</sub>O<sub>2</sub> Cathode Using Interfacial Carbon Deposition and Carbon Nanotube-Mediated Electrical Percolation
Enhancing the Electrode Gravimetric Capacity of Li<sub>1.2</sub>Mn<sub>0.4</sub>Ti<sub>0.4</sub>O<sub>2</sub> Cathode Using Interfacial Carbon Deposition and Carbon Nanotube-Mediated Electrical Percolation Open
Mn-based cation-disordered rocksalt oxides (Mn-DRX) are emerging as promising cathode materials for next-generation Li-ion batteries due to their high specific capacities and cobalt- and nickel-free characteristic. However, to reach the us…
View article: Modeling Short-Range Order in Disordered Rocksalt Cathodes by Pair Distribution Function Analysis
Modeling Short-Range Order in Disordered Rocksalt Cathodes by Pair Distribution Function Analysis Open
Pair distribution function (PDF) analysis is a powerful technique for the characterization of short-range order (SRO) in disordered materials. Accurate interpretation of experimental PDF data is critically reliant on the development of str…
View article: High voltage window electrolyte for supercapacitors
High voltage window electrolyte for supercapacitors Open
A supercapacitor according to the present invention includes a negative carbon-comprising electrode which does not intercalate sodium, and a positive carbon-comprising electrode. An electrolyte composition comprises sodium hexafluorophosph…
View article: Effects of Ball Milling on the Electrochemical Capacity and Interfacial Stability of Li<sub>2</sub>MnO<sub>3</sub> Cathode Materials
Effects of Ball Milling on the Electrochemical Capacity and Interfacial Stability of Li<sub>2</sub>MnO<sub>3</sub> Cathode Materials Open
The cycling mechanism of Li2MnO3 cathode materials synthesized by conventional solid-state methods at high temperatures (800-900 °C) has been intensively investigated. Previous studies showed that CO2 and O2 gas evolution accounts for most…
View article: Early transition metal stabilized high capacity cobalt free cathodes for lithium-ion batteries
Early transition metal stabilized high capacity cobalt free cathodes for lithium-ion batteries Open
A cathode for a lithium battery includes LiNi0.5-x/2Mn0.5-x/2MxO2 where M is at least one selected from the group consisting of Mo, Ti, Cr, Zr and V, and x is between 0.005-0.02. The LiNi0.5-x/2Mn0.5-x/2MxO2 can be coated with Mn2P2O7. The…
View article: Halide Substitution Effects on Lithium-Ion Diffusion in Protonated Antiperovskites
Halide Substitution Effects on Lithium-Ion Diffusion in Protonated Antiperovskites Open
Solid-state electrolytes (SSEs) for all-solid-state lithium-ion batteries are generating intense interest because these batteries can improve the safety and performance compared with devices fabricated with conventional, flammable liquid e…
View article: Stable Anode‐Free All‐Solid‐State Lithium Battery through Tuned Metal Wetting on the Copper Current Collector (Adv. Mater. 8/2023)
Stable Anode‐Free All‐Solid‐State Lithium Battery through Tuned Metal Wetting on the Copper Current Collector (Adv. Mater. 8/2023) Open
All-Solid-State Batteries In article number 2206762, Yijie Liu, David Mitlin, and co-workers report a stable anode-free all-solid-state battery (AF-ASSB) with a sulfide-based solid-electrolyte (argyrodite Li6PS5Cl). The battery is achieved…
View article: Cobalt-free layered oxide cathodes
Cobalt-free layered oxide cathodes Open
A cathode and a battery providing the cathode is provided. The cathode comprises a lithium metal oxide. The lithium metal oxide comprises nickel, aluminum, and iron. The lithium metal oxide is substantially free of cobalt. The battery comp…
View article: Block graft copolymer binders and their use in silicon-containing anodes of lithium-ion batteries
Block graft copolymer binders and their use in silicon-containing anodes of lithium-ion batteries Open
A graft copolymer composition comprising the following structure: wherein: Ax represents a polymer backbone having a number of polymerized monomer units x; [By] represents a multiplicity of a graft polymer side chain having a number of pol…
View article: Crosslinked functional binders and their use in silicon-containing anodes of lithium-ion batteries
Crosslinked functional binders and their use in silicon-containing anodes of lithium-ion batteries Open
A crosslinked polymer composition comprising: (i) a base polymer containing a multiplicity of at least one type of functional group selected from amino, amido, thiol, carboxylic acid, carboxylic acid ester, and epoxy groups; (ii) a multipl…