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  E-commerce worldwide Over the last few years, e-commerce has become an indispensable part of the global retail framework. Like many other industries, the retail landscape has undergone a substantial transformation following the advent of the internet, and thanks to the ongoing digitalization of modern life, consumers from virtually every country now profit from the perks of online transactions. As internet access and adoption are rapidly increasing worldwide, the number of digital buyers keeps climbing every year. In 2020, over two billion people purchased goods or services online, and during the same year, e-retail sales surpassed 4.2 trillion U.S. dollars worldwide. The Indian online grocery market is estimated to reach US$ 18.2 billion in 2024 from US $1.9 billion in 2019, expanding at a CAGR of 57%. India's e-commerce orders volume increased by 36% in the last quarter of 2020, with the personal care, beauty and wellness (PCB&W) segment being the largest beneficiary. India...

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Lithium-ion batteries have a higher energy density, especially the battery module, in the event of an accident, conventional means can not effectively control the rapid spread of heat or prevent the continuous explosion of the battery, which may have serious consequences. Especially in the case of lithium batteries burning or exploding during air transportation, the consequences to passengers and aircraft would be very serious or even catastrophic. So how exactly did the lithium battery accident happen, let’s look at the characteristics of the lithium battery itself. Lithium battery characteristics 1 High Energy Lithium battery is a high-energy item, if it catches fire and explodes, the danger is enormous. Take the 300Wh/kg square lithium ion battery for example, 1kg square lithium battery contains 1.08 × 10 6J of energy; 1g TNT can release 4184J of energy, the conversion shows that the energy contained in 1kg square lithium battery is equivalent to about 258g TNT, the energy contained...