Results 31 to 40 of about 555,846 (267)

Facile heart rate monitoring with multimodal capabilities

Biosensors and Bioelectronics: X, 2022
This paper presents the fabrication of a prototype with unique functionalities for monitoring human heart rate via simple insertion of fingertip on an infrared based sensor. The variation in the absorbance caused by the repeated pumping of oxygenated blood to various tissues within the body leads to distinct peaks and dips corresponding to the signal ...
Bhaskar Jyoti Borah, Sankar Biswas, Rajib Biswas, Nirmal Mazumder   +3 more
openaire   +2 more sources

3D Porous LiNi0.5Mn1.5O4 with Improved Rate Capability and Cycle Stability

International Journal of Electrochemical Science, 2018
A 3D porous LiNi0.5Mn1.5O4 (3D-LNMO) was prepared by an easy cotton assisted solution combustion synthesis method. X-ray diffraction (XRD), infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) were used to characterize the phase ...
Shaoping Feng, Xin Kong, Hongyan Sun, Baosen Wang, Tingbi Luo, Guiyang Liu   +5 more
doaj   +1 more source

A designable sulfur‐linked carbonyl compound anchored on reduced graphene oxide for high‐rate organic lithium batteries

Carbon Neutralization, 2023
The development of organic lithium batteries (OLBs) offers a promising opportunity for the advancement of green and sustainable energy storage systems. However, organic cathode materials face challenges in terms of conductivity, electrochemical activity,
Dabei Wu, Joseph Nzabahimana, Xianluo Hu
doaj   +1 more source

Construction of metal–organic framework-derived Al-doped Na3V2(PO4)3 cathode materials for high-performance rechargeable Na-ion batteries

Energy Materials and Devices, 2023
Na3V2(PO4)3 (NVP) has emerged as one of the most promising cathode materials for sodium-ion batteries (SIBs) owing to its high ionic conductivity and high theoretical energy density.
Yihan Zhao, Xueqi Lai, Pengfei Wang, Zonglin Liu, Tingfeng Yi   +4 more
doaj   +1 more source

Molten Salt Synthesis of Disordered Spinel LiNi0.5Mn1.5O4 with Improved Electrochemical Performance for Li-ion Batteries

International Journal of Electrochemical Science, 2018
Disordered spinel LiNi0.5Mn1.5O4 (LNMO) was successfully synthesised via a molten-salt method using a mixture of LiOH⋅H2O and LiNO3 salts. The precursor was annealed at 750, 850 or 950 °C for 12 h, and the effects of calcination temperature on the ...
Nabilah Mokhtar, Nurul Hayati Idris, M.F. Md Din   +2 more
doaj   +1 more source

Interfacial Reaction Dependent Performance of Hollow Carbon NanoSphere – Sulfur composite as a cathode for Li-S battery

Frontiers in Energy Research, 2015
Lithium-sulfur (Li-S) battery is a promising energy storage system due to its high energy density, cost effectiveness and environmental friendliness of sulfur.
Jianming eZheng, Pengfei eYan, Meng eGu, Michael J. Wagner, Kevin A. Hays, Junzheng eChen, Xiaohong eLi, Chongmin eWang, Jiguang eZhang, Jun eLiu, Jie eXiao   +10 more
doaj   +1 more source

A Sandwich-Structured Hybrid Anode With Nitrogen-Doped Amorphous Carbon Nanoarrays Vertically Anchoring on Graphene Nanoplatelets for High Rate Li Storage

Frontiers in Materials, 2018
Graphene is not an ideal anode material of Li-ion batteries because of its low packing density and low initial Coulombic Efficiency although it shows much higher specific capacity than graphite.
Zhimin Zou, Limin Wu, Jianwei Chen, Chunhai Jiang   +3 more
doaj   +1 more source

Implementation of Finite Rate Chemistry Capability in OVERFLOW [PDF]

37th AIAA Thermophysics Conference, 2004
An implementation of both finite rate and equilibrium chemistry have been completed for the OVERFLOW code, a chimera capable, complex geometry flow code widely used to predict transonic flow fields. The implementation builds on the computational efficiency and geometric generality of the solver.
Michael Olsen, Dinesh Prabhu, T. Olsen
openaire   +1 more source

Impact of carbon coating processing using sucrose for thick binder-free titanium niobium oxide lithium-ion battery anode

Journal of Electrochemical Science and Engineering, 2023
Lithium-ion batteries are increasingly important for providing energy storage solutions. In the drive to improve the energy density at the cell level, optimizing the electrode architecture is crucial in addition to researching new materials. Binder-free
Chen Cai, Patrick McCormack, Ziyang Nie, Gary Koenig   +3 more
doaj   +1 more source

A Study on High-Rate Performance of Graphite Nanostructures Produced by Ball Milling as Anode for Lithium-Ion Batteries

Micromachines, 2023
Graphite, with appealing features such as good stability, high electrical conductivity, and natural abundance, is still the main commercial anode material for lithium-ion batteries.
Vahide Ghanooni Ahmadabadi, Md Mokhlesur Rahman, Ying Chen   +2 more
doaj   +1 more source