Li1.75Ti2(Ge0.25P0.75S3.8Se0.2)3在完全充電時(shí)具有相當(dāng)大的Li+/電子電導(dǎo)率,為0.22/242?mS?cm?1,在完全放電時(shí),這一數(shù)值單調(diào)增加到0.66/412?mS?cm?1。它的比容量為250 mAh g-1,體積變化率為1.2%。圖3?LTG0.25PSSe0.2的長循環(huán)穩(wěn)定性和鋰化動(dòng)力學(xué)由100% Li1.75Ti2(Ge0.25P0.75S3.8Se0.2)3組成的均質(zhì)正極使室溫全固態(tài)鋰電池在2.5C下的循環(huán)壽命超過20000次,比容量保持率為70%,在0.1C下的電池級(jí)能量密度高達(dá)390 Wh kg-1。這種正極均質(zhì)化策略與常規(guī)的正極異質(zhì)設(shè)計(jì)形成對比,有可能提高全固態(tài)鋰電池在商業(yè)應(yīng)用中的可行性。文獻(xiàn)信息:Cui, L., Zhang, S., Ju, J. et al. A cathode homogenization strategy for enabling long-cycle-life all-solid-state lithium batteries. Nat Energy (2024).