Name: construction and testing of coin cells of lithium ion batteries
Uploaded: 2012-08-02T13:00:00
Description: Watch this Scientific Journal Video about Construction and Testing of Coin Cells of Lithium Ion Batteries at JoVE.com

Мы выражаем глубокую признательность поддержке программы керамики в отдел Материалы исследований Национального научного фонда США, в рамках гранта нет. DMR-1006515 (руководитель программы доктор Lynnette D. Madsen).

1. Подготовка рабочего электрода <ol><li> Приготовить смесь из ~ 6 мас. % Поливинилиденфторида (PVDF) связующего в N-метил-2-пирролидон (NMP). </li><li> Взвесить 80 мас. % Активного вещества (LiCoO 2 в данном случае) и 10 мас. % С черный (ацетилен, 99,9 +%), а затем смешать их в вихрь в течение 1 мин. </li><li> Добави?...

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По нашему опыту, наиболее важным шагом в подготовке рабочего электрода делает хорошие суспензии с консистенцией. Как показано на рисунке 4, превышение NMP в суспензии может привести к трещины покрытия, в то время как недостаточная NMP может привести к пористым покрытием. В работе,...

<table border="1"><tbody><tr><td> Название реагента </td><td> Компания </td><td> Номер по каталогу </td></tr><tr><td> Поли (винилиденфторида) </td><td> Sigma-Aldrich </td><td> 182702 </td></tr><tr><td> 1-метил-2-пирролидон, 99,5% </td><td> Alfa Aesar </td><td> 31903 </td></tr><tr><td> LiCoO 2 </td><td> Alfa Aesar </td><td> 42090 </td></tr><tr><td> Углерод, ацетилен, 99,9 +% </td><td> Alfa Aesar </td><td> 39724 </td></tr><tr><td> LiPF 6 в ЕС: DMC: DEC </td><td> MTI корпорации </td><td> EQ-Бе-LiPF6 </td></tr><tr><td> Celgard сепаратор </td><td> Celgard </td><td> C480 </td></tr><tr><td> Аналоговый микшер Vortex </td><td> VWR </td><td> 58816-121 </td></tr><tr><td> Вакуумная печь </td><td></td><td></td></tr><tr><td> Вакуумкачать </td><td></td><td></td></tr><tr><td> Гидропресс </td><td></td><td></td></tr><tr><td> Случае монет клетки </td><td> MTI корпорации </td><td> EQ-CR2032-CASE-304 </td></tr><tr><td> Весна и прокладку </td><td> MTI корпорации </td><td> EQ-CR20SprSpa-304 </td></tr><tr><td> Glovebox </td><td> mBraun </td><td> Unilab </td></tr><tr><td> Тестер аккумулятора </td><td> Arbin инструменты </td><td> BT2143 </td></tr></tbody></table>

construction and testing of coin cells of lithium ion batteries

Rechargeable lithium ion batteries have wide applications in electronics, where customers always demand more capacity and longer lifetime. Lithium ion batteries have also been considered to be used in electric and hybrid vehicles1 or even electrical grid stabilization systems2. All these applications simulate a dramatic increase in the research and development of battery materials3-7, including new materials3,8, doping9, nanostructuring10-13, coatings or surface modifications14-17 and novel binders18. Consequently, an increasing number of physicists, chemists and materials scientists have recently ventured into this area. Coin cells are widely used in research laboratories to test new battery materials; even for the research and development that target large-scale and high-power applications, small coin cells are often used to test the capacities and rate capabilities of new materials in the initial stage. 
 In 2010, we started a National Science Foundation (NSF) sponsored research project to investigate the surface adsorption and disordering in battery materials (grant no. DMR-1006515). In the initial stage of this project, we have struggled to learn the techniques of assembling and testing coin cells, which cannot be achieved without numerous help of other researchers in other universities (through frequent calls, email exchanges and two site visits). Thus, we feel that it is beneficial to document, by both text and video, a protocol of assembling and testing a coin cell, which will help other new researchers in this field. This effort represents the "Broader Impact" activities of our NSF project, and it will also help to educate and inspire students.
In this video article, we document a protocol to assemble a CR2032 coin cell with a LiCoO2 working electrode, a Li counter electrode, and (the mostly commonly used) polyvinylidene fluoride (PVDF) binder. To ensure new learners to readily repeat the protocol, we keep the protocol as specific and explicit as we can. However, it is important to note that in specific research and development work, many parameters adopted here can be varied. First, one can make coin cells of different sizes and test the working electrode against a counter electrode other than Li. Second, the amounts of C black and binder added into the working electrodes are often varied to suit the particular purpose of research; for example, large amounts of C black or even inert powder were added to the working electrode to test the "intrinsic" performance of cathode materials14. Third, better binders (other than PVDF) have also developed and used18. Finally, other types of electrolytes (instead of LiPF6) can also be used; in fact, certain high-voltage electrode materials will require the uses of special electrolytes7.

Watch this Scientific Journal Video about Construction and Testing of Coin Cells of Lithium Ion Batteries at JoVE.com

Construction and Testing of Coin Cells of Lithium Ion Batteries

Протокол для построения и тестирования монеты клетки литий-ионных батарей описан. Конкретные процедуры принятия рабочего электрода, подготовке контр электрод, монтаж ячейки внутри перчаточного ящика и тестирования ячейки представлены.

Строительство и испытания монет клетки литий-ионных батарей

Rechargeable lithium ion batteries have wide applications in electronics, where customers always demand more capacity and longer lifetime.  Lithium ion ...

Research

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Engineering

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Характеристика электродных материалов для литий-ионных и натрия-ионных аккумуляторов с использованием методов синхротронного излучения

Intercalation compounds such as transition metal oxides or phosphates are the most commonly used electrode materials in Li-ion and Na-ion batteries. ...

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

В Ситу нейтронной порошковой дифракции Использование пользовательских производства литий-ионных батарей

Li-ion batteries are widely used in portable electronic devices and are considered as promising candidates for higher-energy applications such as electric ...

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films

Видообразования и биодоступности Измерения окружающей среды плутонием диффузия в тонких пленках

The biological uptake of plutonium (Pu) in aquatic ecosystems is of particular concern since it is an alpha-particle emitter with long half-life which can ...

Non-aqueous Electrode Processing and Construction of Lithium-ion Coin Cells

Номера для водного Обработка электрода и строительство литий-ионный монет клеток

Research into new and improved materials to be utilized in lithium-ion batteries (LIB) necessitates an experimental counterpart to any computational ...

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Синтез Ионные электролиты жидкость, основанная, Сборка литий-ионных батарей, и измерения производительности при высокой температуре

The chemical instability of the traditional electrolyte remains a safety issue in widely used energy storage devices such as Li-ion batteries. Li-ion ...

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing

Целенаправленные Ион луч изготовление Nanobatteries ЛИПОН основе твердотельных литий ионный на месте тестирования

Solid-state electrolytes are a promising replacement for current organic liquid electrolytes, enabling higher energy densities and improved safety of ...

Three-electrode Coin Cell Preparation and Electrodeposition Analytics for Lithium-ion Batteries

Подготовка клетки тремя электродами монет и электроосаждение аналитика для литий ионных батарей

As lithium-ion batteries find use in high energy and power applications, such as in electric and hybrid-electric vehicles, monitoring the degradation and ...

Expression of Cementitious Pore Solution and the Analysis of Its Chemical Composition and Resistivity Using X-ray Fluorescence

Выражение цементная поры решения и анализ его химического состава и сопротивлению, с использованием рентгеновской флуоресценции

The goal of this method is to determine the chemical composition and electrical resistivity of cementitious pore solution expressed from a fresh paste ...

Preparation of Graphene Liquid Cells for the Observation of Lithium-ion Battery Material

Подготовка клетки графена жидкость для наблюдения за литий ионный аккумулятор материала

In this work, we introduce the preparation of graphene liquid cells (GLCs), encapsulating both electrode materials and organic liquid electrolytes between ...

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Изготовление поверхностных акустических волновых устройств на литий-ниобате

Manipulation of fluids and particles by acoustic actuation at small scale is aiding the rapid growth of lab-on-a-chip applications. Megahertz-order ...