發(fā)布時(shí)間：2018-01-05 18:37

  本文關(guān)鍵詞：NMP對(duì)LA132制備的正極片性能的影響　出處：《電池》2015年06期 　論文類型：期刊論文

  更多相關(guān)文章： N-甲基吡咯烷酮(NMP) LA 粘附力 柔韌性 電化學(xué)性能

【摘要】：采用商品化的磷酸鐵鋰(LiFePO_4)、N-甲基吡咯烷酮(NMP)和水性粘結(jié)劑LA132作為原料,制備LiFePO_4正極片,從極片粘附力、柔韌性及電化學(xué)性能等方面,研究NMP對(duì)采用水系粘結(jié)劑LA132制備的正極片性能的影響。當(dāng)w(NMP)≤3%時(shí),正極片的粘附力從20 N/m增加到50 N/m,柔韌性從D10提高到D1;當(dāng)w(NMP)≤1%時(shí),電池以1.0 C的電流在2.5~4.2 V循環(huán)300次,容量衰減小于8%,且不影響極片活性物質(zhì)的充放電比容量及充放電特性。
[Abstract]:LiFePO_4 positive electrode was prepared by commercial lithium iron phosphate (LiFePO _ 4), N-methylpyrrolidone (LA132) and water-borne binder (LA132). The effects of NMP on the properties of positive plates prepared with water system binder LA132 were studied from the aspects of adhesion, flexibility and electrochemical properties. The adhesion force of positive plate increased from 20 N / m to 50 N / m, and the flexibility increased from D 10 to D 1. When WNMP) 鈮，

本文編號(hào)：1384365