1. Preface The cell voltage and internal resistance of lithium-ion battery are two important battery parameters. Accurate and rapid characterization of these two parameters is the key to monitor the battery production stability and battery status, and improve the efficiency…
1. Preface The conductivity of the solid-state electrolyte and its overall cycle performance are greatly influenced by factors such as density, roughness, and integrity of the pressed solid electrolyte sheet. Moreover, stable and consistent pressure during testing is vital for…
1. Background Solid state electrolyte is a type of material capable of ion conduction in the solid state, playing a crucial role in the performance of all-solid-state lithium-ion batteries. Compared to traditional liquid-state lithium-ion batteries, solid-state batteries feature electrolytes composed…
1. Preface Lithium-ion batteries are a relatively complex chemical system. With the breakthroughs in lithium-ion battery materials and manufacturing processes in recent years, lithium batteries are widely used in new energy vehicles and large power station energy storage fields. As…
1. Preface With the rapid development of new energy vehicles, consumers have increasingly higher demands for the charging time and driving range of electric vehicles (EVs). Battery fast charging technology has become a core competitive advantage for power battery companies…
1. Article Abstract The stress changes caused by the volume swelling of lithium metal anodes hinder the release of their full potential in practical applications, leading to problems such as electrode cracking, damage to the solid electrolyte interface, and…
1. Background Due to its advantages such as high energy density, relatively long lifespan, and environmental friendliness, the application of lithium-ion batteries has covered multiple fields including consumer electronics, electric vehicles, and energy storage systems. When the potential of the…
1. Preface Electrolyte is one of the four main materials of lithium-ion batteries, known as the “blood” of lithium-ion batteries. Electrolyte is mainly composed of organic solvents, electrolyte lithium salts, and different types of electrolyte additives. The organic solvent is…
1. Preface Formation is a key process in the production and manufacturing process of lithium-ion batteries. The purpose of formation is to generate SEI on the surface of the negative electrode to isolate electrons and conduct ions¹ ². The quality…
1. Background Lithium-ion batteries with high specific energy, long life and other advantages have been widely used in consumer electronics, electric vehicles and energy storage. Different application scenarios have different degrees of requirements for high temperature storage, especially in the…
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