【文章內(nèi)容簡介】 0 StandardCharge QuickCharge FastCharge 務(wù) 力 UltraFastChargeww w. C/3 C/3,2C 2C 10C 杰 1 汽 20 會(huì) 車動(dòng) to 研討 ev 會(huì) t. 快速充電動(dòng)力電池 ? 短問題的最經(jīng)濟(jì)的方法。 road charging stations. Current Market Ultra fast charging cell Ultra‐fast charge Station Institute of New Energy Technology, INET, Tsinghua University 1 騰 電池 p en co 快速充電 (up to 5 min, 80% capacity) 是解決電動(dòng)車?yán)m(xù)駛里程 m 杰 1 汽 20 車 會(huì) 務(wù) 動(dòng)力 w. 電池 to 研討 ev 會(huì) t. Toshiba Super Charge Lithium Ion Battery SCiB ? Lithium Manganese oxide Spinel cathode LMO ? Lithium Titanate Oxide anode – LTO ? Recharge to 90% of full capacity in less than 5 minutes. ? Excellent safety because of high level anode stability. ? 6000 cycles of full to 90% of initial capacity. ? Low temperature discharge from 30C. ? SCIB is currently available on the Schwinn Tailwind electric bike. 65 Wh/Kg 131 wh/l 650 W/Kg 1316 W/l Institute of New Energy Technology, INET, Tsinghua University VW amp。 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 ? Difficult to evaluate at the cell level, or through QC 無 法通過測(cè)試進(jìn)行評(píng)估，也不 能通過質(zhì)量管理來完全消除 ? can occur quickly 發(fā)生很突 然 ? PTC, CID, shutdown separators, electronic controls not are effective 目 前所有的安全性措施，均不 能完全消除鋰離子電池安全 隱患 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) ? 發(fā)生安全事故的鋰離子電池，之前均通過 UL安全認(rèn)證。 en ? 發(fā)生原因基本上是不可預(yù)測(cè)的內(nèi)短路所造成。而這種內(nèi)短 路似乎是不能完全消除。