A5075062526- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced Battery Materials and Technologies
- Extraction and Separation Processes
- Glass properties and applications
- X-ray Diffraction in Crystallography
- Solid-state spectroscopy and crystallography
- Luminescence Properties of Advanced Materials
- Phase-change materials and chalcogenides
- Material Dynamics and Properties
- Electric Vehicles and Infrastructure
- Electron and X-Ray Spectroscopy Techniques
- Supercapacitor Materials and Fabrication
- Engineering and Technology Innovations
- Graphene research and applications
- Conducting polymers and applications
- Crystal Structures and Properties
- Recycling and Waste Management Techniques
- Graphene and Nanomaterials Applications
- Electric and Hybrid Vehicle Technologies
- Zeolite Catalysis and Synthesis
- Hybrid Renewable Energy Systems
- Metal Extraction and Bioleaching
- Nuclear Physics and Applications
- Material Selection and Properties
National Research and Innovation Agency
2022-2024
Battery Park
2023-2024
National Nuclear Energy Agency of Indonesia
2014-2023
University of Indonesia
2021-2023
Sultan Ageng Tirtayasa University
2023
Inova Design Solutions (United Kingdom)
2023
National Research, Development and Innovation Office
2022
Indonesian Institute of Sciences
1997-2020
Ministry of Science and Technology Thailand
2018
SP Technology (South Korea)
2018
Production of high-aspect-ratio silicon (Si) nanowire-based anode for lithium ion batteries is challenging particularly in terms controlling wire property and geometry to improve the battery performance. This report demonstrates tunable optimization inductively coupled plasma reactive etching (ICP-RIE) at cryogenic temperature fabricate vertically-aligned nanowire array anodes with high verticality, controllable morphology, good homogeneity. Three different materials [i.e., photoresist,...
Due to its high theoretical specific capacity, a silicon anode is one of the candidates for realizing energy density lithium-ion batteries (LIBs). However, problems related bulk (e.g., low intrinsic conductivity and massive volume expansion) limit performance anodes. In this work, improve anodes, vertically aligned n-type nanowire array (n-SiNW) was fabricated using well-controlled, top-down nano-machining technique by combining photolithography inductively coupled plasma reactive ion...
Recent technology of electric vehicle has been significantly improved due to the lithium-ion battery application that indispensable. Li(NMC)O2 is one most highly demanding cathode materials. NMC with high rich nickel exhibited excellent characteristic and specific capacity. active material usually produced by calcination precursor mixed lithium source. plays important role on determining quality NMC. The synthesis methods, such as co-precipitation are challenging obtain desire precursor, but...
The researches on solid electrolyte have been significantly increasing due to the safety problem in lithium ion battery. phosphates are chosen environmentally friendly. In present study Li4P2O7 was synthesized by state reaction using NH4H2PO4 and Li2CO3 with ratio 1:2 at various temperatures of 600 °C, 800 °C 900 °C. products were characterized x-ray diffraction, scanning electron microscopy impedance spectroscopy. diffraction showed that all samples consisted two phases. It found 52.44%...
One of the promising solutions for broadening energy access to rural area is portable storage. Government created an initiative so called Talis (tabung listrik). It a storage that stores electricity from renewable microgrid area. Yet minimum weight almost 5 kg and not too suitable high-mobility. Lithium ion battery with cathode materials LiNi0.8Mn0.1Co0.1O2 (NMC 811) becomes solution tackling those heaviness issue. In addition, it also has high density, but limited capacity degradation at...
Lithium Titanate (Li4Ti5O12) or (LTO) has a potential as an anode material for high performance lithium ion battery. In this work, LTO was synthesized by hydrothermal method using Titanium Dioxide (TiO2) xerogel prepared sol-gel and Hydroxide (LiOH). The process used to synthesize TiO2 from titanium tetra-nbutoxide/Ti(OC4H9)4 precursor. An anatase polymorph obtained calcining the at low temperature, i.e.: 300 o C then reaction undertaken with 5M LiOH aqueous solution in 135 15 hours form...
Triple-axis inelastic-neutron-scattering measurements have been carried out on the ionic glass material ${\mathrm{Ca}}_{0.4}$${\mathrm{K}}_{0.6}$${(\mathrm{N}{\mathrm{O}}_{3})}_{1.4}$. Our of temperature dependence position main elastic diffraction peak in liquid give a linear coefficient thermal expansion (2.3\ifmmode\pm\else\textpm\fi{}0.2)\ifmmode\times\else\texttimes\fi{}${10}^{\ensuremath{-}4}$, which is markedly greater than value...
Recently, there has been increasing demand on finding new solid electrolytes based glassy material, due to their potential applications for state rechargeable battery. Superionic conducting glasses have many advantageous compared with the crystalline, or composite electrolytes, such as easy in preparation, low melting point, no grain broundary, wide composition range and be formed thin film. Among superionic glasses, family of silver phosphate (AgI) x (AgPO 3 ) 1- lithium (LiI) (LiPO , are...
Since 2004, graphene has risen in popularity owing to its superior properties.However, limits the scale of production methods have rendered a costly material.Moreover, existing require chemicals that are detrimental environment.This study uses Coconut Coir Dust (CCD) as carbon precursor and an intermediate product manufacturing graphene.Firstly, CCD sieved into 100 mesh was carbonized using hydrothermal method at temperatures 235 o C, 250 265 for 4 hours.Following this, resulting solid...
The application of high energy density LiNi0.8Mn0.1Co0.1O2 (NMC811) is often limited by its discharge capacity retention due to rich nickel content. Some improvements such as doping and coating rare earth materials have been used increase the electrochemical stability. In this work, Lanthanum was modify NMC811 via a simple solvent evaporation method. XRD results showed presence an additional phase in form La2Li0.5Ni0.5O4, though that there no change lattice parameters. SEM-EDS with La...
The measurements of neutron diffraction patterns commercially product and 10 hour mechanically milled cathode material lithium cobaltites (LiCoO 2 ) have been performed. Rietveld analysis using FullProf does not show the change crystal structure due to milling process, but pattern has a lower intensity diffraction-line was broadening. results line-broadening study on sample methods detected that microstrain occurred in with value 0.127080(35) % average crystallite size 424.78(20) Å....
Lithium titanate, Li4Ti5O12 (LTO) is a promising candidate as lithium ion battery anode material. In this investigation, LTO was synthesized by solid state method using TiO2 xerogel prepared the sol-gel and carbonate (Li2CO3). Three variations of Li2CO3 content addition in mol% or molar excess were fabricated, i.e., 0, 50 100%, labelled sample LTO-1, LTO-2 LTO-3, respectively. The characterizations made XRD, FESEM, BET testing. These performed to observe effect on structure, morphology,...
We report neutron-scattering measurements on the first sharp diffraction peak in superionic conducting glass $(\mathrm{AgI}{)}_{x}({\mathrm{AgPO}}_{3}{)}_{1\ensuremath{-}x}$ as a function of composition x from 0.0 to 0.7. The temperature variation is studied detail between 300 K and 500 K, range that spans calorimetric transition. This reflects structure phosphate network with periodicity $d\ensuremath{\approx}10\AA{}$ correlation length $\ensuremath{\approx}25\AA{}.$ intensity shows an...
The ionic conductivities of two different electrolytes, namely lithium hexafluorophosphate (LiPF6) and bis (trifluoromethylsulfonyl) imide (LiTFSI), in carbonate-based solvents have been investigated. conductivity LiTFSI electrolyte is slightly larger than the LiPF6 electrolyte, 2.7 mS/cm vs. 2.4 mS/cm. results cyclic voltammetry electrochemical impedance spectroscopy measurements show that exhibit a better reversible redox reaction. Therefore, this work, full-cell battery using exhibited...
The solid electrolyte is of great interest owing to its potential be applied in a wide variety electrochemical devices.One the most stable electrolytes lithium phosphate (Li3PO4).However, this compound has low enough conductivity device such as an electrolyte.A previous study reported that mixture xLi2O-P2O5, where x=2, greater than Li3PO4, while, when x=1, yields amorphous structure.In study, new compositions xLi2O-P2O5 compounds, 1≤x≤2, were prepared through solid-state reactions.The...