Results 41 to 50 of about 173,362 (275)

The Effect of Heating Rate on the Structure and Electrochemical Performance of the Li-rich Cathode Material Li1.2Ni0.15Co0.10Mn0.55O2 Prepared Using the Co-precipitation Method

open access: yesInternational Journal of Electrochemical Science, 2018
The lithium-rich cathode material Li1.2Ni0.15Co0.10Mn0.55O2 was prepared via co-precipitation and solid-phase sintering. The morphology, electrochemical properties and storage properties of the sample under different heating rates were measured using SEM,
Rui-ming Yang   +3 more
doaj   +1 more source

Acoustic Emission Detection and Analysis Method for Health Status of Lithium Ion Batteries

open access: yesSensors, 2021
The health detection of lithium ion batteries plays an important role in improving the safety and reliability of lithium ion batteries. When lithium ion batteries are in operation, the generation of bubbles, the expansion of electrodes, and the formation
Kai Zhang, Jianxiang Yin, Yunze He
doaj   +1 more source

Degradation Behaviour of Lithium-Ion Batteries based on Field Measured Frequency Regulation Mission Profile [PDF]

open access: yes, 2015
Energy storage systems based on Lithium-ion batteries have been proposed as an environmental friendly alternative to traditional conventional generating units for providing grid frequency regulation.
Kjær, Philip Carne   +5 more
core   +2 more sources

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

Tackling activity-stability paradox of reconstructed NiIrOx electrocatalysts by bridged W-O moiety

open access: yesNature Communications
One challenge remaining in the development of Ir-based electrocatalyst is the activity-stability paradox during acidic oxygen evolution reaction (OER), especially for the surface reconstructed IrOx catalyst with high efficiency.
Muhammad Imran Abdullah   +6 more
doaj   +1 more source

Improvement of High-Voltage Electrochemical Performance of Surface Modified LiNi0.6Co0.2Mn0.2O2 Cathode by La2O3 Coating

open access: yesInternational Journal of Electrochemical Science, 2018
Layered transition-metal oxides LiNi0.6Co0.2Mn0.2O2 (NCM 622) due to their poor stability when worked at high operating voltage have limited their applications in industy.
Jianxiong Liu   +11 more
doaj   +1 more source

Enhancing Low‐Temperature Performance of Sodium‐Ion Batteries via Anion‐Solvent Interactions

open access: yesAdvanced Functional Materials, EarlyView.
DOL is introduced into electrolytes as a co‐solvent, increasing slat solubility, ion conductivity, and the de‐solvent process, and forming an anion‐rich solvent shell due to its high interaction with anion. With the above virtues, the batteries using this electrolyte exhibit excellent cycling stability at low temperatures. Abstract Sodium‐ion batteries
Cheng Zheng   +7 more
wiley   +1 more source

A lithium-ion battery based on a graphene nanoflakes ink anode and a lithium iron phosphate cathode

open access: yes, 2014
Li-ion rechargeable batteries have enabled the wireless revolution transforming global communication. Future challenges, however, demands distributed energy supply at a level that is not feasible with the current energy-storage technology. New materials,
Agostini, Marco   +10 more
core   +1 more source

Unlocking Ultra‐Long Cycle Stability of Li Metal Electrode by Separators Modified by Porous Red Phosphorus Nanosheets

open access: yesAdvanced Functional Materials, EarlyView.
Coating the standard polypropylene separator with a porous red phosphorous nanosheet greatly improves cycling performance in Li electrode cells. The phosphorus‐based surface chemistry deactivates electrolyte solvent decomposition and enhances the cleavage of F‐containing salt, resulting in an inorganic‐dominated electrolyte interphase (SEI) composition
Jiangpeng Wang   +9 more
wiley   +1 more source

A Method for Improving the Electrochemical Properties of a Li1.2Ni0.15Co0.1Mn0.55O2 Cathode Material

open access: yesInternational Journal of Electrochemical Science, 2017
A method for improving the electrochemical properties of Li1.2Ni0.15Co0.1Mn0.55O2 is described in this paper. The improvement of the electrochemical properties of Li1.2Ni0.15Co0.1Mn0.55O2 was achieved by introducing small amounts of H2O molecules.
Ying-jie Zhang   +6 more
doaj   +1 more source

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