【正文】 t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 正極材料 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University Heat release 1 騰 務(wù) w. to ev t. co m Safety of cathode Materials 杰 會(huì) 1 動(dòng) 20 騰 汽車 ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 1 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en 隔膜 隔膜關(guān)閉的溫度范圍 ? Strength and physical integrity 抗壓機(jī)械強(qiáng)度 ? Shrinkage allowance 熱收縮率 Institute of New Energy Technology, INET, Tsinghua University 影響電池安全性的重要指標(biāo) ? Shutdown performance 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en ? ? 電解質(zhì) Solvent， nonflamable Salts， high deposition temperature ? ? Additives， FlameRetardant Gel electrolyte Institute of New Energy Technology, INET, Tsinghua University 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en P(VdFHFP)凝膠電解質(zhì)在 . m o c Institute of New Energy Technology, INET, Tsinghua University 凝膠電解質(zhì) ? 凝膠電解質(zhì)的放熱量與放熱速率 黃倩，廈門大學(xué)博士論文 ? 燃燒過程中的放熱總量非常 接近于純液態(tài)電解液體系。 Toshiba 1 騰 ww ge p en co m 杰 11汽 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en ? 1st ?Will dominate the rechargeable market for the near and mid future. ? 2nd Generation LiIon Chemistries ? Better performance Up to 300 Wh/kg with fast recharge. Wider operating temperature range. Fast Charging. ? Improved safety. ? Reduced cost. 鋰空氣電池？ Institute of New Energy Technology, INET, Tsinghua University 下一代鋰離子電池動(dòng)力電池 20 騰 務(wù) w. to ev Generation LiIon Chemistries t. co m 杰 11汽 會(huì) 車動(dòng) ww 力電 ge 池研 動(dòng)力電池的安全性問題將影響其市場(chǎng)命運(yùn) p 討會(huì) en co If it is not safe it will not survive… Institute of New Energy Technology, INET, Tsinghua University 動(dòng)力電池的安全性問題 20 騰 務(wù) w. to ev t. m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en 鋰離子電池的安全性 Institute of New Energy Technology, INET, Tsinghua University 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 安全性問題引起的損失 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University Safety cases 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University Safety cases 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en ? 安全性的概念 濫用安全性 abuse thermal runaway – Mechanical 機(jī)械的 ? crush, nail peration 擠壓、針刺 – Electrical 電的 ? short circuit, overcharge 短路、過充 – Thermal 熱的 ? thermal ramp, simulated fire 熱箱、火燒 ? 現(xiàn)場(chǎng)安全性 field failure thermal runaway – Manufacturing defects 由制造瑕疵引起 ? Loose connection, separator damage, foreign debris 連接問題、隔 膜損壞、粉塵 ? Can develop into an internal short circuit 隨機(jī)發(fā)生，引起內(nèi)短路 ? Can lead to overheating and thermal runaway 引起過熱與熱失控 Institute of New Energy Technology, INET, Tsinghua University 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 濫用安全性 1 騰 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 現(xiàn)場(chǎng)（隨機(jī)）安全性 1 騰 務(wù) w. to ev t. co m 兩種安全性概念的差異 杰 1 汽 20 會(huì) 車動(dòng) ww 力電 ge 池研 p 討會(huì) 現(xiàn)場(chǎng)安全性 濫用安全性 en Institute of New Energy Technology, INET, Tsinghua University ? Predictable 可預(yù)測(cè)的 ? Common to all cells 對(duì)每 一個(gè)電池 ? Can/should be evaluated at the cell level 可以通過 測(cè)試進(jìn)行評(píng)估 ? Time constants relatively long 發(fā)生過程較長 ? Can be augmented by protection devices 可以 通過保護(hù)措施進(jìn)行改善 ? Not predictable 不可預(yù)測(cè)的 ? Oneinamillion (or less) 隨 機(jī)小概率發(fā)生 ? D