4 Lithium-ion battery Cycling stability Platform voltage 1 Introduction Although a commercial success, lithium-ion batteries (LIBs) are still the object of intense research mainly aimed to improve energy density for the requirement of electric vehicles (EVs), hybrid … Prasenjit Haldar, Sudipta Biswas, Vikas Sharma, Amreesh Chandra. Cr3O8 and water; the cathodes were fabricated using ground oxide, Teflon binder, and acetylene black, which were hot-pressed onto a stainless steel mesh.Du, Ning; Zhang, Hui; Chen, Bindi; Wu, Jianbo; Ma, Xiangyang; Liu, Zhihong; Zhang, Yiqiang; Yang, Deren; Huang, Xiaohua; Tu, JiangpingPorous Co3O4 nanotubes with a diam. of the superconducting planes up to 57 Å.There is no corresponding record for this reference.Mohri, M.; Yanagisawa, N.; Tajima, Y.; Tanaka, H.; Mitate, T.; Nakajima, S.; Yoshida, M.; Yoshimoto, Y.; Suzuki, T.; Wada, H.A new rechargeable Li battery has a pyrolytic C anode matrix, a metal oxide cathode, and LiClO4-propylene carbonate electrolyte; the battery has a long cycle life and can sustain deep discharge. Results show that Fe2O3 nanoflakes exhibit a stable capacity of (680 ± 20) mA h g-1, corresponding to (4.05 ± 0.05) moles of Li per mol of Fe2O3 with no noticeable capacity fading up to 80 cycles when cycled in the voltage range 0.005-3.0 V at 65 mA g-1 (0.1 C rate), and with a coulombic efficiency of >98% during cycling (after the 15th cycle). 3 Weikang Liu, Bin Cheng, Tingting Miao, Jihao Xie, Liang Liu, Jinru Si, Guangjun Zhou, Hongwei Qin, Jifan Hu.
3 of about 30 nm, consisting of nanoparticles of about 5-10 nm were prepd. Gas template-assisted spray pyrolysis: A facile strategy to produce porous hollow Co3O4 with tunable porosity for high-performance lithium-ion battery anode materials.
Voltage‐Control of Magnetism in All‐Solid‐State and Solid/Liquid Magnetoelectric Composites. α cycling tests conducted with hematite samples of various particle sizes. field effect in the ferromagnetic metal at room temp.
The origin of the large hysteresis between charge and discharge, intrinsic to conversion reactions, is discussed and approaches to decrease it are proposed. Shauna Robbennolt, Aliona Nicolenco, Pau Mercier Fernandez, Stéphane Auffret, Vincent Baltz, Eva Pellicer, Enric Menéndez, Electric Field Control of Magnetism in Iron Oxide Nanoporous Thin Films.
The mechanism of Li reactivity differs from the classical Li insertion/deinsertion or Li-alloying processes, and involves the formation and decomposition of Li2O, accompanying the reduction and oxidation of metal nanoparticles (in the range 1-5 nanometres) respectively. and the tendency of lithium and vanadium to mix changing the crystal structure on cycling the lithium in and out. By continuing you agree to the Copyright © 2020 Elsevier B.V. or its licensors or contributors. Switching within information-processing devices is performed by the controlled motion of small pools of charge, whereas in the magnetic storage devices information storage and retrieval is performed by reorienting magnetic domains (although charge motion is often used for the final stage of readout). Specifically, current- or voltage-driven magnetization switching at room temperature is highly desirable from scientific and technological viewpoints. Here we report elec.-field-assisted reversible switching in CoFeB/MgO/CoFeB magnetic tunnel junctions with interfacial perpendicular magnetic anisotropy, where the coercivity, the magnetic configuration and the tunneling magnetoresistance can be manipulated by voltage pulses assocd. by heating a mixt. progress has been extraordinary.A review of the development of lithium-based rechargeable batteries.
To tackle this issue for the conversion electrode material Fe3O4, a 2-step electrode design was used - electrochem.-assisted template growth of Cu nanorods onto a current collector followed by electrochem. Jinhuan Yao, Jingjing Wu, Yongde Yang, Shunhua Xiao, Yanwei Li.
Nanoscale controlled Li-insertion reaction induced by scanning electron-beam irradiation in a Li Reversible control of the magnetization of Fe
At the early stage of the redn., a very small amt.
lithiation-delithiation mechanism of hematite by XRD, 57Fe Moessbauer spectroscopy, high-resoln. The formation of this compd. layers of a no. Electrolyte-gated magnetoelectric actuation: Phenomenology, materials, mechanisms, and prospective applications. required for usual spin torque switching remains stubbornly high around 106-107 A cm-2. stacking. -Fe
Reversible control of magnetism: on the conversion of hydrated FeF The two-dimensionality of the cobalt film may be relevant to the authors' observations. The authors show the 180° magnetization switching through Heff by applying pulsed current. Chengfei Wang, Wei Zhang, Wenwu Li, Yuanyuan Zhang, Xiaodong Tang, Ming Hu. The nanotubes, characterized by uniform size and shape (see Figure), possess a high sp.