Lecture

Thermodynamics: Lithium Battery

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Description

This lecture covers the thermodynamics of lithium batteries, focusing on the determination of reaction free enthalpy, entropy, and enthalpy. It explains the relationship between standard reaction enthalpy, entropy, and temperature, emphasizing the reversible conditions. The instructor discusses the importance of measuring the electromotive force to calculate the reaction entropy and enthalpy. The lecture concludes with a summary of the key concepts discussed in the context of thermodynamics.

In MOOC

Thermodynamics I

Professor J.-Ph. Ansermet from EPFL and his collaborator Dr. Sylvain Bréchet have brought together all the fundamental principles of thermodynamics in four lessons. The second part of the MOOC illustrates the thermodynamic approach through a series of applications presented by specialists from various partner institutions in the RESCIF network. The aim of the course is to help students understand and apply the fundamental concepts of thermodynamics. Following a presentation of the first and second princi

Official source

Ontological neighbourhood

Physics

Thermodynamics: Statistical mechanics

Related concepts (32)

Thermodynamics

Thermodynamics is a branch of physics that deals with heat, work, and temperature, and their relation to energy, entropy, and the physical properties of matter and radiation. The behavior of these quantities is governed by the four laws of thermodynamics which convey a quantitative description using measurable macroscopic physical quantities, but may be explained in terms of microscopic constituents by statistical mechanics.

Laws of thermodynamics

The laws of thermodynamics are a set of scientific laws which define a group of physical quantities, such as temperature, energy, and entropy, that characterize thermodynamic systems in thermodynamic equilibrium. The laws also use various parameters for thermodynamic processes, such as thermodynamic work and heat, and establish relationships between them. They state empirical facts that form a basis of precluding the possibility of certain phenomena, such as perpetual motion.

Reversible process (thermodynamics)

In thermodynamics, a reversible process is a process, involving a system and its surroundings, whose direction can be reversed by infinitesimal changes in some properties of the surroundings, such as pressure or temperature. Throughout an entire reversible process, the system is in thermodynamic equilibrium, both physical and chemical, and nearly in pressure and temperature equilibrium with its surroundings. This prevents unbalanced forces and acceleration of moving system boundaries, which in turn avoids friction and other dissipation.

Chemical thermodynamics

Chemical thermodynamics is the study of the interrelation of heat and work with chemical reactions or with physical changes of state within the confines of the laws of thermodynamics. Chemical thermodynamics involves not only laboratory measurements of various thermodynamic properties, but also the application of mathematical methods to the study of chemical questions and the spontaneity of processes. The structure of chemical thermodynamics is based on the first two laws of thermodynamics.

Enthalpy

Enthalpy ˈɛnθəlpi, a property of a thermodynamic system, is the sum of the system's internal energy and the product of its pressure and volume. It is a state function used in many measurements in chemical, biological, and physical systems at a constant pressure, which is conveniently provided by the large ambient atmosphere. The pressure–volume term expresses the work required to establish the system's physical dimensions, i.e. to make room for it by displacing its surroundings.

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