Safety of lithium-ion batteries June 2013 The European Association for Advanced Rechargeable Batteries Safety of Lithium-ion batteries Foreword This publication is prepared to provide information regarding the subject matter covered. The document has been prepared with the information available at the time of its publication. It is communicated with the understanding that the authors are not engaged in rendering legal or other professional services on issues covered by this report
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4 Solubility Equilibrium- Common Ion Effect INTRODUCTION: The common ion effect is another example of Le Châtelier ’s Principle in action.The common ion effect tells us that the solubility of an ionic compound is decreased by the addition to the solution of another ionic compound that contains one of the ions involved in the solution It is also responsible for the reduction in solubility of an ionic precipitate when a soluble compound combining one of the ions of the precipitate is added to the
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investment tradeoffs between the unit’s existing battery technologies versus investing in a new‚ potentially disruptive battery technology. Over the course of eight simulated years‚ students must address a number of challenges including the timing and level of investment across both mature and new businesses‚ choices regarding market opportunities and inherent product performance characteristics‚ requirements to meet constraining financial objectives and constant trade-offs between investment options
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Megan Adkins-Blanch 11/10/14 TA: David Stephens CHE 3652-003 Aldol Condensation: 4-methoxychalcone Abstract: To synthesize 4-methyoxychalcone. Reaction Mechanism: Table: Compound Molecular Weight (g/mol) Density (g/mL) Boiling Point (°C) Melting Point (°C) Amount used (g‚ mL‚ etc.) Acetophenone 120.16 1.03 201.7 19.7 1 ml 95% ethanol 46.07 0.8 79 -114 50% NaOH 40.2 1.53 140 12 Anisaldehyde 136.16 1.12 248 -1 1 ml Structures: Acetophenone: 95% ethanol: 50% NaOH: Anisaldehyde: MSDS:
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The Nervous System: Ion Channels 1. What structures in the cell membrane function as ion channels? Intergral Proteins 2. Ion channels are selective for specific ions. What three characteristics of the ions are important for this selectivity? a. Charge on ion (+ or -) b.Size c. The amount of water the Ion attracts 3. Channels can be classified as either gated or nongated channels. A sodium channel that is always open would be classified as a/an non-gated channel. 4. Would
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An ion is an atom or molecule in which the total number of electrons is not equal to the total number of protons‚ giving it a net positive or negative electrical charge. The name was given by physicist Michael Faraday for the substances that allow a current to pass ("go") between electrodes in a solution‚ when an electric field is applied. It is from Greek ιον‚ meaning "going." The word ion also is responsible for electrical current being symbolized by the letter i in chemistry and physics. An anion
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effects of hypoxia on a cellular level including the effects of hypoxia on the intracellular ion balance (McCance & Huether‚ 2013). This document provides an explanation of how hypoxia can change the intracellular ion balance. Understanding the Basics Hypoxia is described as having an inadequate amount of available oxygen (McCance & Huether‚ 2013). Cellular responses are often a like a chain-linked reaction. For example‚ hypoxia has been indicated to result in an insufficient adenosine production
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The syllabic structure in English Outline 1. Theories on syllable formal ion and division. 2. The structure and functions of syllables in English 1. Theories on syllable formation and division Speech can be broken into minimal pronounceable units into which sounds show a tendency to cluster or group. These smallest phonetic groups arc generally given the name of syllables. Being the smallest pronounceable units‚ syllables form morphemes‚ words and phrases. Each
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Objective: To successfully separate and identify all three unknown cations‚ found in a mixture and belonging to one of two specific groups (2 from one and 1 from the other). In order to do this we will be using various tests and reactions and observing the effect they had on our solution. Materials: Pasteur pipets Bunsen Burners Stirring rods Excess reagents Hot plates Sample QA unknown 101-5.7 Table of steps and observations: Step/Test |Observation |Inference | |2-1
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of chromatography techniques exist‚ and all depend on the interaction between a stationary and a mobile state. Two types of chromatography methods were examined in this investigation. First‚ ion-exchange chromatography was used. This method separates ions and polar molecules based on their affinity to the ion exchanger [2]. Specifically‚ cation-exchange chromatography was performed‚ a technique that uses a negatively charged ion exchange resin with an affinity for molecules with a net positive charge
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