電芯和電池可靠性的測試和方法介紹

1、CHANGE HISTORYCHANGE DESCRIPTIONEFF. DATEPREPARED BYAPPROVED BYDEPT.REVANEW RELEASE Add named rulesUpdate 5.1. AddFor the series and parallel Battery capacity and cell balance check, when first make sample and first mass production, update cycle life require, and add appearance check require12/11/10

2、/15/10/31/07/11/劉斌劉斌劉斌劉斌陳光輝陳光輝陳光輝陳光輝TETETETE04CONFIDENTIALITYTOP CONFIDENTIAL ()CONFIDENTIAL ( ) INTERNAL ONLYDISTRIBUTION()MFG()QA()R&D()FNC()PMC()PME()SRC()HR&A()S&M()PRJ()IE()TE()BCU ( ) OTHERISSUENO.:Purpose （目的）規(guī)范本公司產(chǎn)品新產(chǎn)品設(shè)計驗證測試項目、測試條件及判定標(biāo)準(zhǔn)Standardize the new product design verification test ite

3、m、test condition and criteria.Scope （范圍）適用于本公司新研發(fā)的所有型號電池產(chǎn)品Applicable to all the new battery productsDefinition （定義）設(shè)計驗證：對產(chǎn)品的電池功能，可靠性，安全性進行驗證，確保產(chǎn)品符合設(shè)計要求 Design verification: verify the batteries protect function, reliability, safety whether meet the spec definition make sure thebatteries meet design

4、requirement.Responsibility （職責(zé)權(quán)限）R&D （研發(fā)部）：編制新產(chǎn)品設(shè)計計劃，計劃輸入輸出/輸出，完成客戶產(chǎn)品的定義，輸出產(chǎn)品 規(guī)格書，新樣品樣板制作，設(shè)計轉(zhuǎn)移，新零件/模具承認(rèn)，編制產(chǎn)品規(guī)格書Prepares the new product design planning, design input/output, Provide the product definition and specification basing on customers request. sample making, design transfer, the new Parts/mo

5、lds verification, establishment product specificationPRJ （項目工程部）：和客戶溝通產(chǎn)品的需求，編制及執(zhí)行品質(zhì)控制計劃，跟蹤項目研發(fā)，負責(zé)安 排樣品試制，產(chǎn)品試產(chǎn)至量產(chǎn)全過程，對項目成不及項目過程中的風(fēng)險進行 控制，跟蹤過程問題至解決。Communicate with customer, understand customers requirement. Prepare and implement quality control flow chart （QCFC）.Track the entire process of project f

6、rom R&D, sample building, pilot production to volume production. Control the project costs and risks. Follow up all the issues until solved.S&M （市場營銷部）：負責(zé)新項目立項，客戶報價，售后服務(wù)，客戶信息反饋。In charge of the new project definition, customer quotation, aftersales service, customer feedback.QA （品質(zhì)部）：負責(zé)新產(chǎn)品樣品FAE與產(chǎn)品質(zhì)量

7、管理Be responsible for new producfs quali ty management and FAE.TE （測試工程部）：負責(zé)產(chǎn)品測試設(shè)備，產(chǎn)品驗證，可靠性驗證測試，提供測試報告。Be responsible for test equipment, product verification, reliability test, and summit test report.Instruction （作業(yè)指引）5.1 Test time：（測試時機）5.1.1 Proto type階段，RD負責(zé)樣品測試驗證及報告At proto type step, RD is in c

8、harge of test verification and report5.1.2對于多串并電池,第一次制樣及第一次量產(chǎn)時，項目部需送3PCS到實驗 室進行容量及壓差測試。For the series and parallel battery, when first made sample and first mass production, prj need send 3pcs samplesTo lab do the capacity and cell balancecheck.5.1.3產(chǎn)品進入EVT階段，實驗室負責(zé)完成設(shè)計驗證At EVT step, laboratory. is i

9、n charge of complete design verification5.1.3項目部負責(zé)提供樣品給實驗室Project is in charge of provide the test samples to laboratory5.2Design change （設(shè)計變更）如接下來設(shè)計有變更，R&D需針對變更項目及有影響項目重新測試，項目部 需重新送樣至實驗室，實驗室針對變更項目進行再次驗證測試When the product design changed in next step, R&D must retest the affected items by the change

10、retested, and PRJ need to apply for afresh test. According to the change lab will do the related test5.3 Sample quantity ：（測試數(shù)量）根據(jù)測試標(biāo)準(zhǔn)，每一項測試需要測試驗證3pcs，如有特殊要求，可以根據(jù)需要適當(dāng) 調(diào)整測試數(shù)量. For the test criteria, for each test item need 3pcs sample to verification. if there have special requests, it canadjust the

11、test quantity by need5.4Test item （測試項目）5.4.1參考附件二Reference the attachment two5.4.2當(dāng)客戶有特殊要求時，各項目的測試方法及判定條件按客戶要求；The test method and criteria shall been in accord with the customer demand.5.4.3當(dāng)實驗室無法進行相關(guān)測試時，由項目部統(tǒng)一申請外送給有資質(zhì)的供應(yīng)商測試；When it cant be test by lab, prj shall apply for testing by the professio

12、nal vendor.5.5樣品測試完成后，測試人員須參照QSI025FM015A完成設(shè)計驗證報告，再將 測試報告交由實驗室工程師及TE經(jīng)理審批存檔，并影印一份副本或者以郵件 形式發(fā)給相關(guān)人員。After finished the test, tester should follow QSI025FM015A finished the report and submit to reliability engineerand TE Manager for approving, lastly make a copy of report or send report to the correlati

13、ve persons.5.6可靠性測試的品質(zhì)目標(biāo)是零不合格。當(dāng)測試不合格時，立即通知測試/項目/研 發(fā)/品質(zhì)部門等相關(guān)部門，組成FA分析小組一同對不合格進行原因分析，并 制定糾正預(yù)防措施，且此批產(chǎn)品按照QEP023M不合格品控制程序 處理；若 該批次產(chǎn)品已出貨給客戶，須立即通知客戶The target of reliability test is zero reject rate, if fail, immediately notify TE/PRJ/QA Related department, createFA Group to analyze the root cause then tak

14、e corrective and preventive action, this product shall be handled according toQEP023 , If this product had been shipped, we shall inform customer Immediately6 Named rules （測試報告命名規(guī)格）測試命名為測試類型+機種名稱+發(fā)行日期+流水號，測試類型有設(shè)計驗證（DT），可靠測試（RT），抽樣測試（OT ）三種類型例如：8708可靠性振動測試報告，發(fā)行日期為1012，流水號為1則命名為：RTNNB8708Vibration Tes

15、t Report 101201Test type named + model name + issue date + serial number, test types for design verification （DT）, reliabletesting （RT）, sampling test （OT） there tapesSuch as: 8708 reliable vibration test, release date for the 1012, serial number 1 is namedRTNNB8708Vibration Test Report 101201ATTENT

16、ION （注意事項）：N/AREFERENCE DOCUMENT（參考文件）：GB/T182872000UL2054UL1642UN38.3IEC610000042UL609501RECORD （相關(guān)記錄）：QSI025FM15ATTACHMENT（附件）：Attachment one （附件一）設(shè)計驗證測試流程圖（Design verification test flow chart）NOAttachment two （附件二）No類別Type測試項目Item測試條件Test Condition判定標(biāo)準(zhǔn)Criteria備注Remark1Reliability Test消耗電流測試Consum

17、e current check用DC電源代替CELL設(shè)置不同電壓讀 取不同狀態(tài)的消耗電流Use DC replace the cell set different voltage ,use the meter measure the consume currentReference EESpec2過壓保護功能檢測(過充電/過放 電)Over Voltage protection function test (over charge/over discharge)用DC電源代替CELL設(shè)置慢慢調(diào)大或 調(diào)小電壓檢查PCM板，過壓保護功能檢 測是否正常。Use DC replace the cell

18、, adjust the voltage to check PCM ,make sure the over voltage protection function is okReference EESpec3過流保護功能檢測 (過充電/過放電)Over Current protection function test (over charge/over discharge)放電過流保護。DC電源輸出接PCM板B+,B,PCM P+,P 接電子負載，用電池負載OCP功能測試 PCM過流保護功能是否正常Over discharge protection power connecting with

19、PCM B+ , Band P+,Pwith load, use OCP function, of load to check the over current protection function is normal or not 充電過流保護DC電源輸出接PCM板P+,P, PCMB+,B接電子負載，用電池負載OCP功能 測試PCM過流保護功能是否正常Over charge protectionDC power connecting with PCM P+,P and B+ , B with load, use OCP function, of load to check the ove

20、r current protection functionReference EESpec4短路保護功能檢測 short protection function test用額定電流，滿充電池，靜置1小時，短 路電池輸出端，用示波器檢查電池短路 保護功能是否正常Charge full the battery with rate current, rest for 1 hour, short the output terminal, use oscilloscope to check the short protection functionReference EESpec5反充保護功能檢測Rev

21、erse charge function test正負極反接后用DC充電，檢測反充保 護功能是否正常Connect P+,P reversed with DC power to check the reverse charge functionReference EESpec6NTC0C/25C/45C 不同 溫度阻值是否符合 零件規(guī)格NTC Value measure in different temperatureNTC放入溫箱，用安捷倫meter測量不 同溫度下的阻抗是否符合零件規(guī)格 Put NTC into chamber, measure the impedance for NTC

22、in different temperature, check it whether meet EESpecReference EESpec7電壓精度檢測 (0C/25C/45C)Temperature accuracy check (0C/25C/45C)電池放入溫箱，在不同溫度下檢測BQ 顯示電壓和meter實際量測電壓是否符合EESpecPut battery into chamber, check BQ voltage and the voltage measured by meter in different temperature, make sure it whether mee

23、t EESpecReference EESpec只適用 于帶Gasgauge 電池8電流精度檢測 (0C/25C/45C) Voltage accuracy check (0C/25C/45C)電池放入溫箱，在不同溫度下對電池放 電，檢測BQ顯示電流和實際測量電流 是否符合EESpecPut the battery into chamber, discharge in different temperature and check the BQ current and the current measured by load, make sure it whether meet EESpecR

24、eference EESpec只適用 于帶 Gasgauge 電池9溫度精度檢測 (0C/25C/45C)Temperature accuracy check (0C/25C/45C)電池放入溫箱，檢測不同溫度下BQ顯 示溫度和實際測量溫度是否符合EESpecPut battery into chamber, check BQ temperature and the real measured temperature, make sure it whether meet EESpecReference EESpec只適用 于帶Gasgauge 電池10過溫保護(充電& 放電)Over Temp

25、erature protection(charge& discharge)根據(jù)EESpec，設(shè)置溫度，檢查BQ中過 溫保護功能在充放電過程中是否會起作 用Refer to EESpec, set temperature to check the charge &discharge over temperature protection function whether okReference EESpec只適用 于帶 Gasgauge 電池110.2C5A放電性能0.2C discharge capacity標(biāo)準(zhǔn)充電后，休眠0.51h后，以0.2C 放完電reset0.51 hour afte

26、r standard charge full, use 0.2C discharge電池放電時間5h discharge time5h121C5A放電性能 1C discharge capacity標(biāo)準(zhǔn)充電，休眠0.51h后，以1C放完 電reset0.51 hour after standard charge full, use 0.2C discharge電池放電時間 51min discharge time 51 minutes13高溫性能 high temperature Capacity test標(biāo)準(zhǔn)充電后，電池放入55C2C高溫箱 中，恒溫2h,然后以0.2C放完電，然后 取出在2

27、0C5C環(huán)境下擱置2小時； standard charge, put the battery into 55C2C,keep 2 hours ,then use 1C discharge to cutoff voltage, take out put it at 20 C 5 C environment 2 hours電池放電時間5h，無變形，無爆 裂。Discharge time 5h no distortion , no crack14低溫性能 low temperature Capacity test標(biāo)準(zhǔn)充電后，電池放入一10C2C高溫 箱中，恒溫4h，然后以0.2C放完電，然 后取出在

28、20C5C環(huán)境下擱置2小時； standard charge, put battery into 一 10C2C environment ,keep 4 hours ,then use 0.2C discharge to cutoff voltage ,take out put it at 20 C 5 C environment 2 hours電池放電時間3.h，無變形，無爆裂。Discharge time 3hno distortion ,no crack15恒定恒濕性能constant temperature & humidity test標(biāo)準(zhǔn)充電，電池放入45C2C，相對濕 度為909

29、5%的恒溫恒濕箱中擱置 72h，然后取出，在20C5C擱置2h目 測電外觀，然后以0.2C放完電 standard charge ,put the battery into 40 C 2 C/90 95 % environment 48 hours ,then take out put it at 20 C 5 C environment 2 hours ,check appearance, use 1C discharge to cutoff voltage無明顯變形、銹 蝕、冒煙、爆 炸；放電時間 5hNo significant deformation, rust, smoke, exp

30、losion, discharge time 5h16ESDIEC610000042ReferenceEESpec17內(nèi)阻檢測IR check用額定電流滿充電池，靜置1小時后用 內(nèi)阻測試儀量測內(nèi)阻Use the rate current charge full the battery, rest 1 hour use the IR meter measure the IRReferenceEESpec18開路電壓檢測 open circuit voltage check用額定電流滿充電池，靜置1小時后用 萬用表量測電池開路電壓Use the rate current charge full t

31、he battery, rest 1 hour the use the meter measure battery open circuit voltageReferenceEESpec19循環(huán)壽命cycle life test按照產(chǎn)品規(guī)格進行充放電循環(huán)測試Do the charge/discharge cycle test follow product criteria每100循環(huán)結(jié)束后滿充電池檢查內(nèi)阻及 厚度Each 100 cycle charge full battery check battery impedance and thicknessThe relative capacit

32、y 80% Thickness swell less than 10% Impedance in spec20Label酒精耐摩擦 測試Label alcohol test用棉布蘸上濃度最小為95%的酒精，用 500g的壓力摩擦15次Rub with a cotton cloth dampened inalcohol (95% min)Force: 500gTest cycles: 15 timesLabel字跡能辨 認(rèn)，無劃痕，無 油墨脫落The label must be recognized.No scratches no ink off21Label紙帶剝離測 試Label peel

33、strength test用3M膠帶完整的粘 少45度角拉扯膠帶彳 測試1次 Mack sure the tap sticks on the labe from label at 45 c Total is 1 times貼到label上再以至 吏之與label分離，(3M #610) totally .Remove the tap egree.Label字跡能辨 認(rèn)，無劃痕，無 油墨脫落The label must be recognized.No scratches no ink off22Label紙帶耐摩擦 測試Label abrasion resistance test使用RAC壓力

34、為17 label 3 次175g, 3 timesUse RCA equipmer5g的測試設(shè)備摩擦ItLabel字跡能辨 認(rèn)，無劃痕，無 油墨脫落The label must be recognized.No scratches no ink off23Label條碼測試 Label bar code identify酒精耐摩擦測試 紙帶剝離測試Alcohol resistancePeel strength test:estBarcode能掃描 無劃痕，無油墨 脫落The bar code must can be scanned.No scratches no ink off24Label

35、存儲測試Label Storage test把電池label面朝下方 (Mitsubishi MB1700F 上，用100g砝碼壓 Put battery with 10( plate(Mitsubishi 文 寸性帷:a gr t ,攵在材質(zhì)為C+ABS)的塑料板生電池中心。0g loading on aMB1700PC+ABS)a kll ip|!Label沒有粘到 塑膠板上沒油墨 脫落Without any label adhere to plate No ink off/ , N4：電池在以下溫度條件 - 1Temperature test co! !好下測試一次indition fo

36、r 1 cycle:s；to GwcimI* =-|Tkia ikli：-25Safety Test自由跌落drop test電池標(biāo)準(zhǔn)充電，將電 到放置在水泥地面1 木板上，從X/Y/Z 正 次，跌落后，電池以 0.2C充電，放電時1日 standard charge ,drop high to 18mm20mm platform ,X/Y/Y direc 6 times, after drop use use 0.2 charge times ,t less than 51min，池從1m的高度跌落 8mm20mm后的硬 i負方向各跌落11C放完電，然后以不能彳氐于51分鐘the batte

37、ry from 1m hardwoodtion each 1 time ,total 1C discharge ,then:he discharge time not無明顯變形、銹 蝕、冒煙、爆 炸，能放入設(shè)備 中；放電時間 51minNo significant deformation, rust, smoke, explosion, discharge time 51min可選項 目26振動vibration test將電池穩(wěn)固地有保護地固定在振動平臺 上，不要扭曲電芯，以便振動能很好的 傳送，振動頻率按正弦波形在15分鐘內(nèi) 按對數(shù)方式從7 Hz掃描到200 Hz再回到 7 Hz，振動沿電

38、芯互相垂直地二個方向 進行，每一個方向按上述循環(huán)重復(fù)12 次，用時共3小時，振動方向中的一個 必須垂直電芯和電池的最大面；對數(shù)掃 描頻率如下：維持1gn的峰值加速度， 從7 Hz 一直掃描到18 Hz，振幅維持在 0.8mm （整個行程1.6mm），同時頻率增 長，直到峰值加速度達到8gn （約50 Hz），然后維持8gn的峰值加速度，直 到頻率增長到200Hzfix up the battery on the vibration plat, the frequency use sine wave from 7HZ to 200HZ in 15 minutes and down to 15HZ

39、 ,the there vibration direction each other perpendicularity, each direction repeat 12 times, total 3 hours; logarithm scan frequency as below, keep 1gn peak acceleration, from 7HZ to 18HZ,the extent keep 0.8mm,and the frequency raise, until the acceleration to 8gn（about 50HZ）,and then keep 8gn peak

40、,until frequency reach to 200HZ無明顯變形、銹 蝕、冒煙、爆 炸；電壓3.6VNo significant deformation, rust, smoke, explosion, Voltage 3.6V27熱沖擊heat shock safety將電池在溫度為752C的環(huán)境中存儲至 少6小時，接著在溫度為402C的環(huán)境 中存儲至少6小時。極端溫度變化的時 間間隔最長為30分鐘。重復(fù)上述過程10 次，然后將樣品在溫度為205C的環(huán)境 中放置24小時；對于大電池，在極端溫 度中擱置的時間至少為12小時。Put the battery into 752C envir

41、onment at least 6 hours, then change the temperature to 402C keep the battery in that environment at least 6 hours, the temperature charge rate is no exceed 30 minutes, repeat 10 times, put the battery into 205 C environment 24 hours, for the big battery put it to the extreme temperature no less tha

42、n 12 hours不起火，不爆炸no fire ,no burst可選項 目28強制放電測試Force Discharge在環(huán)境溫度下將測試電芯與一個12V的 直流電源串聯(lián)起來進行強制放電，直流 電源初始電流等于制造商指定的最大放 電電流；把一負載與直流電源串聯(lián)，這 個負載的阻抗與測試電芯阻抗相當(dāng)，這 樣可以獲得指定的放電電流；測試電芯不起火、不爆 炸不起火、不爆 炸、不漏液1. no fire ,no burst可選項 目的額定容量除以初始測試電流(安培) 等于被迫放電的時間(小時)。In environment temperature ,series the DC and cell fo

43、rce discharge, the DC original Current is the max discharge current test time=cell rate capacity/original Current(A)2. no fire ,no burst , no leakage29強制放溫度循環(huán)測 試Temperature cycle test樣品在一自然對流或強制對流烘箱中加 熱，烘箱溫度以52C/min速度升溫至 130C，并保持10min后停止。25熱循環(huán) 測試電池放于測試室內(nèi)并承受以下循環(huán)：30min內(nèi)升溫至703C，保溫4h。30min內(nèi)降溫至203C，保溫2h。

44、30min內(nèi)升溫至403C，保溫4h。30min 內(nèi)降溫至 203C。重復(fù)上述循環(huán)9次。10次循環(huán)后，電池放置7天待檢。Put the battery into temperature chamber the temperature rise rate is 52C/min reach to 130 C ,keep 10 minutes stop ,cycle 25 timesput the batteries into the temperature chamber do below testrise temperature to 703 C from room temperature ke

45、ep 4 hoursdown the temperature to 203C keep 2 hoursrise temperature to 403 C keep 4 hoursdown the temperature to 203Crepeat 9 cyclesafter 10 cycles reset 7 days ,check the batteries不解體，不起火No rupture , no fire30過充電保護性能 over charge protect電池標(biāo)準(zhǔn)充電后，用恒流恒壓源持續(xù)給 電池加載8小時，電壓為標(biāo)稱電壓的2 倍，電流為2Cstandard charge, use

46、 constant current source charge 8 hours ,voltage is 2C standard voltage, current is 2C standard current不起火、不爆 炸、不冒煙、不 露液no fire, no burst, no smoke, no leakage31過放電保護性能 over discharge protect在20C5C溫度下，0.2C放完電后，外 接30 Ohm電阻放電24hat 20 C 5 C environment 0.2C discharge to cutoff voltage ,then connect wit

47、h 30ohm resistance discharge 24 hours不起火、不爆 炸、不冒煙、不 露液no fire, no burst, no smoke, no leakage32短路保護性能 short protection test電池標(biāo)準(zhǔn)充電后，外接0.1 Ohm電阻， 短路1h,將正負極斷開，以1C電流充電 5s后，測電池電壓Reset 1 hour after charge full, check the不起火，不爆 炸，電池表面溫 度不超過150 C no fire ,noOCV and impedance, use resistance 0.1ohm short the

48、 output terminal 1hour ,then use 1C current charge 5s check voltageexplosion ,battery surfacetemperature no more than 150 C33過充電 over charge test最大充電電流的2倍，測試最低電壓為制 造商建議的最大充電電壓的2倍；測試 在環(huán)境溫度下進行，時間為24小時 use 2C voltage and 2C current ,continues charge 24 hours測試后的7天內(nèi) 可充電電池?zé)o解 體，無起火 after test 7 days ago t

49、he battery can charge and discharge ,no leakage, no fire34異常充電測試 abnormal charge test以0.2C放完電，再以3倍電池最大充電 電流，以電池最高充電電壓為限制，充 電至少7h或達到生產(chǎn)商規(guī)定的充電結(jié)束 條件。After use 0.2C discharge ,then use 3C maximum current ,maximum voltage charge 7 hours不起火，不爆 炸。No fire , no burst35強制放電測試Force discharge test一個完全放電的電池被強制性串聯(lián)

50、同型 號的滿充電池，串聯(lián)滿充電池數(shù)目等于 串聯(lián)應(yīng)用的最大數(shù)目減1個，當(dāng)完全放 電的電池與特定數(shù)目的滿充電池串聯(lián)好 后，對形成的電池組進行短路測試。將 電池組的正負極用電阻小于0.1歐姆的負 載短接，并監(jiān)控電池表面溫度變化；當(dāng) 電池組著火，爆炸，或電壓低于0.2V且 表面溫度回到環(huán)境溫度10 C時停止測 試。Discharge the battery until cut off voltage ,the series battery must series the same cell, serine battery quantity is the series applies 1 ,when f

51、ull discharge battery seriated, short the battery pack use 0.1ohm resister ,monitor the battery surface temperature ,when battery pack fire ,burst ,or the output voltage low than 0.2V and the battery pack surface temperature return to environment temperature 10C stop test不起火，不爆 炸。No fire , no burst3

52、6常溫短路External short test滿充后，擱置1h,測OCV和電池內(nèi)阻， 然后用電阻0.1ohm的負載短接電池正負 極，并監(jiān)控電池表面溫度，當(dāng)電池著 火、爆炸或者當(dāng)電池電壓低于0.1V且電 池表面溫度降到高于環(huán)境溫度10C以下 時停止測試Standard charge put it at 20 C 5 C不起火，不爆 炸，電池溫度 150 Cno fire ,no burst ,battery temperature 150 Cenvironment 1 hours ,blackout the PCM, use 100 mom resistance short the cell

53、,when the battery surface temperature low than tiptop temperature 10 C stop test37擠壓測試Crush test滿充后，擱置1h,測OCV和電池內(nèi)阻， 電池將在兩個平面之間被擠壓，最大壓 力不小于13kN, 一旦壓力達到13kN應(yīng) 立即卸壓，charge full the battery reset 1 hour, check OCV and impedance ,extrusion the battery between two plane, the stress no less than 13KN不起火，不爆炸

54、no fire ,no burst可選項 目38高加速沖擊acceleration shocktest面充電，將電池被有保護的固定在沖擊 臺上，每個電池承受峰值加速度為150 gn，脈沖寬度為6毫秒的半正弦沖擊， 每個電池將沿著三個互相垂直軸的正負 方向每個方向沖擊3次，共18次charge full the battery ,put the battery on the shock platform, each battery endure acceleration peak value is 150gn,pulse width 6ms half sine shock, each batte

55、ry shocks 3 times for X/Y/Z direction total 18 times電池?zé)o質(zhì)量損 失、無漏液、無 排氣、無解體、 無開裂、無著 火，測試后開路 電壓不低于測試 前的90% battery no lose, no leak, no disjoint, no rupture ,no fire ,the OCV no less than 90% ,39撞擊測試impinge against test滿充后，擱置1h,測OCV和電池內(nèi)阻， 把電池放在一平面上，將一直徑15.8mm 的鐵棒橫放在電池的中心，讓一重9.1Kg 的鐵塊從61 2.5 cm的高度跌落到電池 上charge full the battery ,reset 1 hour, check the OCV and impedance, put the battery on a platform ,tak