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您現在的位置:首頁(yè) > 技術(shù)文章 > XRM應用分享 | 鋰電新能源

XRM應用分享 | 鋰電新能源

瀏覽次數:397發(fā)布日期:2024-01-19

鋰離子電池,由于其具有高能量密度和體積能量密度,循環(huán)壽命長(cháng),無(wú)記憶效應等優(yōu)點(diǎn),越來(lái)越受到市場(chǎng)和消費者的青睞,這也推動(dòng)了鋰離子電池的快速發(fā)展和針對其研究的不斷深入。XRM憑借著(zhù)其能在無(wú)損情況下表征樣品真實(shí)三維結構的特點(diǎn),在近些年逐漸成為鋰電池研究中的重要表征手段之一,且應用范圍也在不斷擴展。

實(shí)例一  軟包電池多尺度表征 Bruker Skyscan 2214

樣品整體掃描,11um

局部高分辨掃描,正極,1um

局部高分辨掃描,隔膜,0.15um

電池正極顆粒粒徑分布(左圖)及孔徑分布(右圖)

實(shí)例二  鋅-空氣紐扣電池內部結構表征,Bruker Skyscan1275,8um.

電池整體結構三維表征(高致密顆粒,裂紋等)

高致密顆粒粒徑分布三維量化表征

實(shí)例三  軟包電池樣品,電池質(zhì)量評估及安全性能檢測,Bruker Skyscan 1275,15um.

 

電池內部“產(chǎn)氣"檢測及形變尺寸測量 

 

極片“對齊度"檢測

“金屬異物"檢測

極片斷裂情況檢測

電池“穿刺"實(shí)驗,樣品破裂處正交三視圖,觀(guān)察各部分破裂情況

破裂處形貌三維體渲染圖

實(shí)例四  圓柱電池內部結構三維表征,Skyscan 1273,7um.

樣品內部結構及正極極片高分辨掃描表征

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