1. Preface In this paper, we explore the correlation between electrolyte wettability and electrode tortuosity by testing the tortuosity and wetting rate of electrodes with different compaction densities to provide some new methods for electrode design and optimization. In the…
On November 2-3, 2024, the 9th National Solid State Battery Symposium was successfully held in Xiamen, hosted by the Solid State Ionics Branch of the Chinese Silicate Society, and co-sponsored by Xiamen University, Fujian Battery Technology Association, and IEST With…
1. Preface Lithium-ion batteries stand out from many other energy storage technologies due to their advantages of high energy density, long cycle life, low self-discharge rate, no memory effect, etc., and have become the most important part of the current…
1. Preface The degree of electrolyte wetting is one of the key factors affecting the performance of lithium-ion batteries such as kinetics, cycle life, and safety and reliability, etc. A good wetting effect can form a uniform interface between the…
1. Preface Powder materials’ resistivity and compaction density are important indicators for material monitoring in the current lithium industry, and their determination is usually done under different quantitative pressures. The process of powder compression is a complex physical phenomenon involving…
CATL, the world’s largest electric vehicle battery maker, launched the Freevoy Super Hybrid Battery on October 24th, the world’s first hybrid battery with an all-electric range of more than 400 kilometers (250 miles) and 4C ultra-fast charging. The new battery…
The Zaragoza plant of globally recognized automotive manufacturing giant Stellantis is partnering with CATL, the world’s largest manufacturer of electric vehicle batteries, to expand its automotive battery plant and electric vehicle production platform in Zaragoza. On October 8, Spain’s Industry…
1. Preface Among the many cathode materials, the high nickel material LiNixM1-xO2 (M = Mn, Co, Al, etc.) exhibits high energy density as well as good cycle life. However there is a decreasing trend in the market share of high…
1. Preface This paper mainly combines different doping ratios of silicon-carbon materials and different sintering processes of silica-based materials, combined with scanning electron microscopy, powder conductivity, compaction density and other testing equipment, from the morphology, electronic conductivity, compaction density and…
1. Background 1.1 Correlation between single particle compressive strength and material/electrode/cell performance On the microscopic scale, electrodes consist of nano- or micrometer-sized particles. Therefore, the inherent particle properties of electrode materials play a decisive role in the electrochemical performance of…
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