Solid Electrolyte Interphase
Solid Electrolyte Interphase - Related Videos
05:33
Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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2013
Lithium ion batteries employ flammable and volatile organic electrolytes that are suitable for ambient temperature applications. A safer alternative to organic electrolytes are solid polymer batteries. Solid polymer batteries operate safely at high temperatures (>120 °C), thus making them applicable to high temperature applications such as deep oil drilling and hybrid electric vehicles. This paper will discuss (a) the polymer synthesis, (b) the polymer conduction mechanism, and (c) provide...
00:54
Interphase
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2019
The cell cycle occurs over approximately 24 hours (in a typical human cell) and in two distinct stages: interphase, which includes three phases of the cell cycle (G1, S, and G2), and mitosis (M). During interphase, which takes up about 95 percent of the duration of the eukaryotic cell cycle, cells grow and replicate their DNA in preparation for mitosis. Phases of Interphase Following each period of mitosis and cytokinesis, eukaryotic cells enter interphase, during which they grow and...
00:56
Interphase
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2025
The cell cycle occurs over approximately 24 hours (in a typical human cell) and in two distinct stages: interphase, which includes three phases of the cell cycle (G1, S, and G2), and mitosis (M). During interphase, which takes up about 95 percent of the duration of the eukaryotic cell cycle, cells grow and replicate their DNA in preparation for mitosis. Phases of Interphase Following each period of mitosis and cytokinesis, eukaryotic cells enter interphase, during which they grow and replicate...
08:55
Electrolytic Cells - Student Protocol
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2020
Source: Smaa Koraym at Johns Hopkins University, MD, USA Electrolytic CellsExpand In this experiment, you will be assembling an electrolytic cell to perform electroplating. An electrolytic cell contains an anode and cathode connected by a power source, which drives the nonspontaneous redox reaction in the cell. When the anode material is oxidized, the ions travel to the cathode, where they are reduced and plated. In the case of this experiment, the electrolytic cell contains a copper anode...
02:21
Electrolyte and Nonelectrolyte Solutions
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2020
Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a substance yields ions in solution, that is, if the compound undergoes 100% dissociation, then the substance is a strong electrolyte. Complete dissociation is indicated by a single forward arrow. For example, water-soluble ionic compounds like sodium chloride dissociate into sodium cations and chloride anions in aqueous solution. Other examples of...
FAQs
The interphase suppresses continued electron transfer from the electrode into the electrolyte, which limits additional electrolyte decomposition. At the same time, its structure permits ion transport through the film. This balance is chemically important: excessive blocking can hinder battery operation, whereas insufficient passivation allows ongoing reactions. Its layered arrangement therefore connects interphase chemistry with electrochemical performance.
During the first charging cycles, electrolyte components undergo reduction at the negative electrode and form insoluble products that accumulate on its surface. This early chemical conversion establishes the interphase that later controls electron transfer and electrolyte decomposition. Consequently, reactions occurring at the beginning of cell operation can influence initial capacity, cycle life, rate capability, and safety.
Composition determines how effectively the film combines passivation with ion transport. A stable interphase can limit further electrolyte decomposition while preserving the transport needed for battery operation. Because these properties are chemical rather than purely geometric, changes in the deposited compounds or their layered arrangement can be reflected in initial capacity, rate capability, cycling durability, and safety.
Researchers study the interphase to guide the selection and design of electrolyte formulations, electrode materials, and protective additives. These components influence the chemistry of the film produced during early charging cycles. By relating interphase composition and stability to battery behavior, such studies support development strategies aimed at longer-lasting rechargeable batteries rather than treating the interphase as an incidental surface product.
Interphase stability is evaluated through its connection with several practical battery outcomes: initial capacity, rate capability, cycle life, and safety. A stable film helps prevent continuing electrolyte decomposition and maintains ion transport, so its condition can affect both early cell behavior and performance over repeated operation. These links make interphase stability a central consideration in rechargeable lithium-ion battery research.
The interphase provides a direct connection between chemical reactions at an electrode surface and the behavior of the complete electrochemical cell. Its formation consumes reduced electrolyte components and produces insoluble compounds that remain at the negative electrode. Studying this chemistry helps explain why electrolyte choices, electrode materials, and protective additives can alter battery durability, capacity, operating rate, and safety.