アプリケーションギャラリ

Rechargeable lithium-air batteries have recently attracted great interest mainly due to their high energy density. The theoretical value is about 11400 Wh/kg which is around 10 times greater than the lithium-ion batteries. In this tutorial, discharge of a lithium-air battery is ... 詳細を見る

Some positive electrode materials are known to deteriorate in overcharged lithium-ion battery cells. Predominantly, manganese containing electrode materials such as LMO and NMC can loose capacity due to manganese dissolving from the materials at overcharge. This decomposition is a ... 詳細を見る

Due to its high capacity, silicon (Si) is often added to graphite in the negative electrode of lithium-ion batteries. Silicon–graphite blended electrodes may exhibit significant thermodynamic voltage hysteresis (“path dependence”) because the equilibrium potential of the lithium–silicon ... 詳細を見る

リチウムイオン電池の負極グラファイト電極上の銅コレクターは, 過放電時に溶解することが確認されています. 溶解により集電体が不可逆的に損傷し, 溶解した銅イオンが再析出してデンドライトを形成する可能性があるため, 安全上の懸念事項となります. 電池は通常, 過放電を回避するために, セルレベルまたはパックレベルのいずれかで指定された電圧制限内で動作します. しかし, パック内では個々のセル間の電荷不均衡により, あるいはこのチュートリアルで部分的に調査するように, 単一の電池セル内の電極の局所的な不均一性により, 過放電が発生する可能性があります. ... 詳細を見る

The model used is the P2D model also called the Newman model. Parameter estimation is run using experimental data of driving cycles from healthy cells. The parameter values are determined for a confidence of 0.95 for each parameter. Parameter estimation is then run using data from ... 詳細を見る

This tutorial uses an equivalent circuit approach for modeling the performance of a lithium-ion battery, requiring no knowledge about the internal chemistry or structure of the battery. A 0D equivalent circuit battery model is defined based on a resistor connected in series with a ... 詳細を見る

角柱型リチウム電池は, 電気自動車や蓄電システムに広く使用されています. この例では, 2つのゼリーロールを備えた完全な 3D 角柱型電池に リチウムイオン電池 インターフェースを使用する方法を示します. このモデルは, いわゆるニューマンモデルを完全に定義するだけでなく, 不可逆な活性化損失と抵抗損失 (ジュール熱) による熱源, そして可逆的なエントロピー変化による可逆損失を考慮した局所的な熱バランスも備えています. 擬似 2D モデルと比較して, 3D モデルは以下の問題を解くことができます: ... 詳細を見る

Solid-state batteries (SSB) are a promising technology that could suffer from internal mechanical stresses due to the growth and shrinkage of the electrodes within all-solid components. With this model, the charge-discharge cycling of an SSB is simulated with a focus on the interaction ... 詳細を見る

In a lithium metal battery, lithium metal is deposited during charging on the negative electrode. Mass transport and ohmic effects in the electrolyte cause small protrusions on the metal surface to be subjected to accelerated growth during charging. In worst case scenarios, this leads to ... 詳細を見る

This app can be used as a design tool to develop an optimized battery configuration for a specific application. The application computes the capacity, energy efficiency, heat generation, and capacity losses due to parasitic reactions of a battery for a specific load cycle. Various ... 詳細を見る