日产聆风30KW软包电池组装过程.docx
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日产聆风30KW软包电池组装过程.docx
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日产聆风30KW软包电池组装过程
30kWh-NissanLeafbatterypackmanufacturingdetails
Alongwithdetailsonthe2016NissanLeaf,NissanpublishedavideoshowingusdetailsofthebatterypackfactoryinSmyrnaTennessee. Thisvideohappenstoshowconstructionofthenew30kiloWatt-hourbatterypack,whichweknowsimplybecauseoftheshapeofeachmodule. AndithappenstoshowussomeinterestingdetailsabouttheLeafbatterypackinnards.
Thevideoisatthebottom. I’vemadeafewscreencapturestowalkthroughwhatisshown.
TheNissanLeafpackisnotaregularrectangularshape,anditneverhasbeen. Somemodulesarelaidhorizontally,probablysothey’llsitundertheseatingarea. Anothergroupofmodulesarelaidvertically,probablytofitbehindtherearseats.
Thenewmodulesforthe30kWhpackispackagedas8cells,ina2P4Sarrangement. (2inparallel,4inseries)
Batterycellstraversingthemachinery.Eachcellisapouch,withtwotabsforthepositiveandnegativeconnections.
Itlookslikethemachineryischeckingbatterycellvoltage–whichwouldbeanecessarysteptoweedoutbadcells.
Batterycellsaretakenalongaconveyor,withvisualchecksperformed
Visualcheckbeingperformed.
Batterymoduleontheassemblyline.Wherethepreviousmodules(forthe24kWhpacks)hadsingle-heightmodules,thisisadouble-heightmodule.
Forcomparison,thisistheoldLeafbatterymodulewhichgoesintothe24kWhpacks.
Batterymodulesundergoingvisualinspection
Anotherviewofthemoduleinspectionprocess.It’sclearfromthevideothemodulesareheldaloftbysuctionforce,sotheworkerscaninspectonallsidesandthebottom.
Closeupofbatterymoduleduringinspectionprocess.
Close-uplookatthemoduleduringtheinspectionprocess.
Anotherangletolookcloselyatthebatterymodules.You’llalsonoticeamagicmarkerinhishand,thatinthevideoisusedtomakemarksthatprobablyindicatethevisualinspectionwasperformed.
Arackofmodulesgettingreadytogointoacompletedbatterypack.
Busbarbeingreadiedtoattachtothegroupofmodules.
Boltingthebusbartothemodules.
Close-upofboltingdownthebusbartothemodules.
Assemblingthebatterypack.Loweringthegroupofmodulesintothepack,andpreparingtowireeverythingtogether.
Boltingdownthebatterymoduleassemblyintothepack.
Close-upofthebatterypackassembly.
Finishedbatterypackonatrolleygoingtowho-knows-where.Thevideoshowsthatthistrolleyisrobotic,andisprobablyfollowingtheorangelinespaintedonthefloor.
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