Results for "electrochemistry"
Physical Chemistry
Physical chemistry is the branch of chemistry that applies principles of physics to understand and predict chemical systems, bridging the macroscopic and microscopic worlds through thermodynamics, quantum mechanics, and statistical analysis.
ScienceElectrochemistry
Electrochemistry is the study of chemical processes that cause electrons to move, enabling the conversion between electrical and chemical energy through reactions at electrodes separated by an electrolyte.
ScienceOxidation-reduction
Oxidation-reduction (redox) reactions are chemical processes involving the transfer of electrons between substances, resulting in changes in oxidation states.
HistoryModern Encyclopedia Entry 1775166845
** The invention of the first commercially viable lithium-ion battery, a breakthrough in portable energy storage that revolutionized the world of electronics and beyond. **CONTENT:** ### Overview The lithium-ion battery, a crucial innovation in modern technology, has transformed the way we live, work, and interact with the world around us. This revolutionary energy storage device has enabled the widespread adoption of portable electronics, electric vehicles, and renewable energy systems, fundamentally changing the landscape of modern society. The lithium-ion battery's impact extends far beyond its practical applications, influencing the development of industries, economies, and cultures worldwide. The story of the lithium-ion battery begins with the pioneering work of chemists and engineers who pushed the boundaries of materials science and electrochemistry. Their tireless efforts led to the creation of a battery that is not only highly efficient but also remarkably compact and lightweight. This breakthrough has had a profound impact on the way we design and use electronic devices, from smartphones and laptops to electric vehicles and renewable energy systems. ### History/Background The concept of the lithium-ion battery dates back to the 1970s, when chemists began exploring the potential of lithium as a battery material. However, it wasn't until the 1990s that the first commercially viable lithium-ion battery was developed. The key breakthrough came in 1991, when a team of researchers at Sony Corporation, led by chemist Yoshio Nishi, successfully created a lithium-ion battery with a cobalt oxide cathode and a graphite anode. This innovation marked the beginning of a new era in portable energy storage. The early 2000s saw the widespread adoption of lithium-ion batteries in consumer electronics, such as mobile phones and laptops. As the demand for portable energy storage continued to grow, manufacturers began to develop more efficient and cost-effective battery technologies. The introduction of lithium iron phosphate (LiFePO4) batteries in the mid-2000s further improved the safety and performance of lithium-ion batteries. ### Key Information * **Capacity:** Lithium-ion batteries have a high energy density, with capacities ranging from 100 to 300 Wh/kg. * **Efficiency:** Lithium-ion batteries have an average efficiency of 90-95%, making them one of the most efficient battery technologies available. * **Cycle Life:** Lithium-ion batteries can withstand thousands of charge-discharge cycles, making them suitable for a wide range of applications. * **Safety:** Lithium-ion batteries have a relatively low risk of thermal runaway and explosion, making them a safer choice than other battery technologies. ### Significance The lithium-ion battery has had a profound impact on modern society, influencing the development of industries, economies, and cultures worldwide. The widespread adoption of portable electronics, electric vehicles, and renewable energy systems has created new opportunities for economic growth, improved energy efficiency, and reduced greenhouse gas emissions. The lithium-ion battery has also enabled the development of new technologies, such as electric vehicles, renewable energy systems, and smart grids. As the demand for portable energy storage continues to grow, the lithium-ion battery is likely to remain a crucial component of modern technology. **INFOBOX:** - **Name:** Lithium-ion battery - **Type:** Energy storage device - **Date:** 1991 (first commercially viable battery) - **Location:** Japan (Sony Corporation) - **Known For:** Revolutionizing portable energy storage and enabling the widespread adoption of electric vehicles and renewable energy systems. **TAGS:** Lithium-ion battery, energy storage, portable electronics, electric vehicles, renewable energy, materials science, electrochemistry, innovation, technology.