【正文】 ev co m Internal Resistance Voltage [V] Current [A] R=ΔV/ΔI 動(dòng)力電池的使用壽命評(píng)測(cè) 杰 1 汽 20 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 p 討會(huì) en t. Degradation 3500 Remaining life Institute of New Energy Technology, INET, Tsinghua University Temperature of a battery 0 772 500 500 1500 2500 4500 2500 1500 Voltage response/V Current/A Day Present Battery *BMS: Battery Management System **PLC: Programmable Logic Controller Battery Temperature Battery Voltage Battery Current BMS* Controller (PLC**) Internal resistance degradation rate Remaining battery life (Estimated) Monitor (ex. Based on an Internal resistance degradation rate) 1623 2510 3410 4197 5022 Time [s] t Drate ? kt x ?1 Degradation rate of Internal resistance Target Accuracy: 10% Lifetime judgment criteria Degradation rate (Present) 1 (Estimated) 1 騰 務(wù) w. (ex. Based on the detection of an internal resistance status) to ev co m 杰 1 汽 20 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 58 1 騰 務(wù) w. to ev t. co m 。 ? 因此大幅度地延長(zhǎng)動(dòng)力鋰離子電池的使用壽命， 使之達(dá)到與電動(dòng)車(chē)的壽命相當(dāng)，是目前動(dòng)力鋰離 子電池發(fā)展的關(guān)鍵問(wèn)題。 20V過(guò)充 150℃ 熱箱 5小時(shí)以上 標(biāo)稱(chēng)容量 12Ah，三元氧化物 正極材料。 1 騰 務(wù) w. to ev t 杰 1 汽 20 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 p 討會(huì) 鋰離子電池的安全性是一個(gè)復(fù)雜的系統(tǒng)問(wèn)題 en ? 動(dòng)力電池安全性是一個(gè)系統(tǒng)問(wèn)題。 ? 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(lèi)安全隱患問(wèn)題 ? 我們?cè)谧龉ぷ鳎Ｍ?“十二五 ”結(jié)束時(shí)，這個(gè)問(wèn)題得到一定程 度的解決。 ? 引起安全事故的電池在制造時(shí)，均是合格品。 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(chē)?yán)m(xù)駛里程 m 杰 1 汽 20 車(chē) 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。/kWh $ $ $ $ $ $ PHEV20 PHEV40 HEV CV 混合動(dòng)力車(chē)的實(shí)際節(jié)油效果 1 會(huì) w. 40 400 Conventional 35 350 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 p 討會(huì) en ETransportation is the most significant technological revolution after the cellular and the inter. 電動(dòng)交通是移動(dòng)電話(huà)和互聯(lián)網(wǎng)后的最重要的技術(shù)革命 。杰 1 汽 動(dòng)力鋰離子電池現(xiàn)狀、安全性及壽命評(píng)測(cè) 20 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 p 討會(huì) en 2022汽車(chē)動(dòng)力電池國(guó)際研討會(huì) INET, Tsinghua University 2022年 2月 2324日，上海 何向明 清華大學(xué)核研院 新型能源與材料化學(xué)研究室 Institute of New Energy Technology 1 騰 務(wù) w. to ev t. co m 內(nèi)容 杰 1 汽 20 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 p 討會(huì) en ? ? ? ? 動(dòng)力電池現(xiàn)狀 鋰離子動(dòng)力電池的安全性 鋰離子動(dòng)力電池的使用壽命 Institute of New Energy Technology, INET, Tsinghua University 1 騰 清華大學(xué)核研院鋰離子電池實(shí)驗(yàn)室介紹 務(wù) w. to ev t. co m 杰 1 汽 20 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 p 討會(huì) en The Great Wall Ming Institute of Nuclear and New Energy Technology Tsinghua University ? ? Less than 50 minutes drive 45 km The Institute Tsinghua Beijing Institute of New Energy Technology, INET, Tsinghua University 1 騰 務(wù) Tombs w. to ev t. co m Lithium ion騰會(huì) 車(chē)動(dòng) 杰 11汽 ww 力電 ge 池研 p 討會(huì) en Institute of New Energy Technology, INET, Tsinghua University 2 Ramp。 211 Wh/mi Assumes $162。 w. to ? Manufacturers to take a part: A123, Altairnano, Enerdel, 20 杰 1 汽 1 en co m 會(huì) 車(chē)動(dòng) ww 力電 ge 池研 different cell e討會(huì) 120 different cell models n o ? Ultra High power 超高