JP2013535780A - 改善された安定性及び安全性を有するリチウムセル及びリチウム電池、その製造法並びに移動式及び定置式の電気エネルギー貯蔵装置中での適用 - Google Patents
改善された安定性及び安全性を有するリチウムセル及びリチウム電池、その製造法並びに移動式及び定置式の電気エネルギー貯蔵装置中での適用 Download PDFInfo
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Abstract
Description
− 十分な強度、剛性及び不燃性を有していなければならず、
− 機械的及び熱的な負荷下で形状安定性であるべきで(このことは、例えば、ますます小型化する移動電話及びコンピュータの屋外使用にとって重要である)、
− 変化する環境条件下、例えば空の旅において気圧が変換する場合でも確実に機能しなければならず、
− 専門家達の間で久しい以前から自明の要求に従って、十分な電気絶縁値を有していなければならず、
− 漏れが発生してはならず(なぜなら、例えば、電池の"漏出"が高性能電子機器の破壊を時に招く可能性があるからである)、
− 例えば化学工業の爆発危険領域において、爆発若しくは火災のリスクがあってはならないか又はせいぜい許容範囲にある。
(a)少なくとも1つの電極−セパレータ装置及び少なくとも1つの注封コンパウンドの出発物質若しくは複数の出発物質を準備する工程、
(b)該電極−セパレータ装置若しくは複数の該電極−セパレータ装置を取り付ける工程、
(c)該注封コンパウンドの出発物質若しくは複数の出発物質を覆う工程、
(d)硬化及び/又は重合する工程
を包含し、その際、該電池が得られる方法である。
(a)少なくとも1つの電極−セパレータ装置及び少なくとも1つの注封コンパウンドの出発物質若しくは複数の出発物質を準備する工程、
(b)該電極−セパレータ装置若しくは複数の該電極−セパレータ装置を取り付ける工程、
(c)該注封コンパウンドの出発物質若しくは複数の出発物質を覆う工程、
(d)硬化及び/又は重合する工程
を包含し、その際、前記電池が得られる、本発明による電池の製造法である。
アルミナ化されたプラスチックシート中のESAスタックから成り、4.9Ahの定格容量を有するリチウムイオン電池に、過度の充電電流14.7Aをかけた。電圧は12Vに制限していた。図5aは、充電装置の接続ケーブル及びセル内部に取り付けられた温度測定センサの配線対を有する負荷開始時のこのセルを示す。負荷の間、セル電圧、充電電流及びセル内部の温度を、負荷開始時からの期間の関数として測定した。
比較例と同様のリチウムイオン電池を、35.2質量%のCapa 3050、28.2質量%のT 1136、38.3質量%のT 2960、0.01質量%のTegoKat 218、0.01質量%のDB 4、0.1質量%のByK 070、及び0.51質量%のTinuviaから構成される注封コンパウンドで覆った。
Claims (9)
- 電解質で充填された電極−セパレータ装置を有する電池において、該電極−セパレータ装置が少なくとも部分的に注封コンパウンドで覆われていることを特徴とする電池。
- 前記電極−セパレータ装置が巻回若しくは敷設されているか、又は有利には並列に若しくは直列に接続されている少なくとも2つの単位セルから積層されていることを特徴とする、請求項1記載の電池。
- 前記注封コンパウンドが、ポリウレタン及び/又は一液型若しくは二液型のエポキシ樹脂から選択されたエポキシ樹脂から選択されている、少なくとも1種の注型用樹脂から選択されていることを特徴とする、請求項1又は2記載の電池。
- 集電体が、前記注封コンパウンドから形成された外覆から少なくとも部分的に突出していることを特徴とする、請求項1から3までのいずれか1項記載の電池。
- 前記電極−セパレータ装置が、前記注封コンパウンドより形成された外覆内部で、冷却体、好ましくは熱放散板又はペルティエ素子又はヘッドスプレッダ若しくはメガスプレッド、及び/又は電子制御回路、RFID素子から選択された少なくとも1つの更なる機能素子と、機械的、電気的に接続、及び/又は電磁的に結合されていることを特徴とする、請求項1から4までのいずれか1項記載の電池。
- 以下の工程
(a)少なくとも1つの電極−セパレータ装置及び少なくとも1つの注封コンパウンドの出発物質若しくは複数の出発物質を準備する工程、
(b)該電極−セパレータ装置若しくは複数の該電極−セパレータ装置を取り付ける工程、
(c)該注封コンパウンドの出発物質若しくは複数の出発物質を覆う工程、
(d)硬化及び/又は重合する工程
を包含し、その際、前記電池が得られる、請求項1から5までのいずれか1項記載の電池の製造法。 - 工程(b)後かつ工程(c)前に、更なる工程である
(b2)前記電極−セパレータ装置若しくは複数の前記電極−セパレータ装置を、CO2、窒素、及び/又は希ガスから選択された不活性ガスで加圧することによって圧縮する工程
を実施することを特徴とする、請求項6記載の方法。 - 定置使用又は移動使用における、好ましくは自動車両、二輪車、トラック、船舶、作業機械に搭載されたハイブリッドシステムにおける、緊急時エネルギー供給における、風力エネルギー、水力エネルギー及び/又は太陽エネルギーツールの確保に際しての、請求項1から5までのいずれか1項記載の電池の使用。
- 少なくとも1つの電極−セパレータ装置又は電極−セパレータ装置の複合体を少なくとも部分的に覆う注封コンパウンド。
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DE201010038308 DE102010038308A1 (de) | 2010-07-23 | 2010-07-23 | Lithium-Zellen und -Batterien mit verbesserter Stabilität und Sicherheit, Verfahren zu ihrer Herstellung und Anwendung in mobilen und stationären elektrischen Energiespeichern |
PCT/EP2011/061877 WO2012010468A1 (de) | 2010-07-23 | 2011-07-12 | Lithium-zellen und -batterien mit verbesserter stabilität und sicherheit, verfahren zu ihrer herstellung und anwendung in mobilen und stationären elektrischen energiespeichern |
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EP (1) | EP2596537A1 (ja) |
JP (1) | JP2013535780A (ja) |
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US20130122330A1 (en) | 2013-05-16 |
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