Secondary battery

Secondary batteries represented by lithium-ion batteries are increasingly being used in a wide range of applications, including mobile devices, home and automotive applications. In addition to increased capacity to last a long time after a single charge, safety and reliability evaluations are an important issue. An example of an analysis of the component evaluation of a secondary battery is shown below.

二次電池
評価対象 部位 評価項目 Analysis Method
電極 活物質 形状 SEMIP法TEM
表面成分・組成 XPSTOF‐SIMSAESTEM‐EDX
バルク組成 ICP‐AES
結晶構造 XRDEDTEMEELSXAFSRaman
導電助剤 結晶性 XRDRaman
粒径 SEMTEM
バインダー 材質 TOF‐SIMSFT‐IRGC/MS
集電体 形状 SEM
厚さ SEM・金属顕微鏡
セパレータ 形状 SEM
材質 FT‐IRTOF‐SIMS
熱特性 TGDSC
電解液 溶媒・電解質・添加剤 材料・組成 LC/MSGC/MSIC・NMR・FT‐IR
発生ガス GC/MS
劣化成分 LC/MS/MS

二次電池の分析事例はこちらからご覧ください。

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