【文章內(nèi)容簡(jiǎn)介】 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 VW 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(wèn)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(wèn)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(wèn)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(guò)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(wèn)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(guò)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(guò) 測(cè)試進(jìn)行評(píng)估 ? Time constants relatively long 發(fā)生過(guò)程較長(zhǎng) ? Can be augmented by protection devices 可以 通過(guò)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(wú) 法通過(guò)測(cè)試進(jìn)行評(píng)估，也不 能通過(guò)質(zhì)量管理來(lái)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(guò) 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。 ? 引起安全事故的電池在制造時(shí)，均是合格品。 ? 目前濫用安全性標(biāo)準(zhǔn)的測(cè)試結(jié)果，與發(fā)或者不發(fā)生安全性 事故，之間沒(méi)有任何聯(lián)系。 Institute of New Energy Technology, INET, Tsinghua University 鋰離子電池安全性 1 騰 務(wù) w. ? 對(duì)于筆記本電腦電池，發(fā)生概率在幾百萬(wàn)分之一。 to ev t. co m 杰 1 汽 20 會(huì) 車動(dòng) ? Major effort has been payed to improve the ways we ww 力電 ge 池研 address safety in lithiumion batteries, however p 討會(huì) en ? 在人們?nèi)绱酥匾曚囯x子電池安全性的今天，嚴(yán)重的安全性問(wèn) 題還時(shí)有發(fā)生。 ? The battery munity does not have adequate tests to evaluate safety as it relates to the safety incidents that have taken place or could take place. ? 人們還沒(méi)有找到合適的方法來(lái)預(yù)測(cè)和評(píng)測(cè)這類安全隱患問(wèn)題 ? 我們?cè)谧龉ぷ?，希?“十二五 ”結(jié)束時(shí)，這個(gè)問(wèn)題得到一定程 度的解決。 Institute of New Energy Technology, INET, Tsinghua University 1 鋰離子電池的安全性 騰 serious safety incidents can always occur. t. 務(wù) w. to ev co m Energy Released (J) 熱失控的機(jī) 騰會(huì) 1 車 杰 理 務(wù) 動(dòng)力 w. 電池 to 研討 ev 會(huì) t. Institute of New Energy Technology, INET, Tsinghua University 378 640