The wide application of lithium-ion batteries, end customers also put forward higher and higher requirements for the fast charging performance of lithium-ion batteries. But blindly improve the fast charging performance of lithium battery will bring a certain degree of safety…
As an effective electrical energy storage device, lithium-ion batteries have the advantages of high energy density, high specific power, high output voltage, low self-discharge, and long service life. They have been widely used in electric vehicles, electronic products and other…
Capacity decay and loss will occur during the cycle of lithium-ion batteries, in order to improve battery capacity and performance, scholars at home and abroad have fully studied the mechanism of lithium-ion battery capacity decay. At present, it is known…
In order to improve the bulk energy density of lithium-ion batteries, researchers mainly focus on two aspects: Increase the gram capacity of cathode and anode electrode materials; Increase the compaction density of cathode and anode electrodes. The compaction density of…
This paper tests the powder compaction density and conductivity of graphite and LFP materials, and analyzes the differences between the two test methods. Measurement methods of compaction density and resistivity of lithium electric materials, detailed test methods are described in…
1. Author Information and A Summary of the Article In 2021, Xiamen university professor Peng Dongliang and Xie Qingshui researcher led the team developed a simple oleic acid (OA) auxiliary interface engineering strategy to build Yin and Yang ion…
1. Introduction With the rapid development of the lithium-ion battery industry, silicon-based anode materials have gained attention due to their high theoretical specific capacity. Silicon-based slurry typically use deionized water as a solvent, with techniques like surface modification and elemental…
1. Background Conductive agent for lithium-ion battery ratio performance has played a key role, there are a lot of related studies show that it can improve the electronic transmission path, speed up the charge transmission, improve battery performance, but conductive…
1. Preface Sodium and lithium belong to the same group of elements, and their chemical properties are similar, but compared with lithium, sodium has obvious advantages in resource reserves and cost. At the same time, sodium-ion batteries have the characteristics…
1. Preface With the development of the new energy industry, lithium-ion batteries have gradually become a widely used power storage equipment. Among them, lithium iron phosphate battery is widely favored by the market because of its good safety performance, long…
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