锂离子电池制造工艺-2026

锂离子电池制造工艺

CATLConfidential

预期

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1性能结构工艺

2电池的基本性能

目录

content

3电池的基本结构

4常见的制造工艺

5M6U结构电芯制造工艺

6讨论问答

性能结构工艺

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电池的基本性能

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电芯的基本结构

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P1:1stMainProcessProduct

M6:Mainstreamof2004.06

S:SoftPackProduct

C:CylindricalProduct

P:PrismaticProduct

常见的制造工艺—从电芯结构分叠片、卷绕工艺

叠片

卷绕

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常见的制造工艺—P1

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PackingfoilFormedpocketPackingSealing

Bi-cellStackingWelding

常见的制造工艺—M6C

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Electrolyte

常见的制造工艺—M6S

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常见的制造工艺—M6U

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M6U结构电芯制造工艺--89AH为例

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Calendering

TabForming

(ForAnodeorCathode)

VisualInspection

VacuumBaking

Formation

Aging2

InsulatedFilmPacking

Slitting

Slitting

X-RayInspection

TopCapLaserWelding

HTBaking

Self-dischargeTest

PETSticking

Coating

Coating

TabUSWelding

JRInsertion

SealingPinLaserWelding

Aging1

QAFinalChecking

TabForming(ForCathode)

Calendering

2JRbinding

CellHi-PotTest

Degassing&HeImporting

OCV1&IMP1Test

TopPadSticking

Mixing

Mixing

TabFolding

MylarPacking

HeLeakageTest

CapacityTest

CellPacking

RFWinding

HotPress&Hi-PotTest

AirLeakageTest

ElectrolyteInjection

DG

Recharge

Cleaning

M6U结构电芯制造工艺--Mixing

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M6U结构电芯制造工艺—SlurryTransferCan

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M6U结构电芯制造工艺--Coating

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M6U结构电芯制造工艺--TabForming

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M6U结构电芯制造工艺--Calendering

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M6U结构电芯制造工艺--Slitting

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M6U结构电芯制造工艺--RFWinding

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M6U结构电芯制造工艺--HotPress&Hi-PotTest

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M6U结构电芯制造工艺--X-RayInspection

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M6U结构电芯制造工艺—200AHJR入支架

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M6U结构电芯制造工艺--TabUSWelding

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M6U结构电芯制造工艺--2JRbinding&TabFolding&MylarPacking

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M6U结构电芯制造工艺—200AHTabFolding

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M6U结构电芯制造工艺--VacuumBaking

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M6U结构电芯制造工艺--TopCapLaserWelding

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M6U结构电芯制造工艺--AirLeakageTest

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M6U结构电芯制造工艺--ElectrolyteInjection

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M6U结构电芯制造工艺--HTBaking&Formation

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M6U结构电芯制造工艺—Degassing&HeImporting&SealingPinLaserWelding

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M6U结构电芯制造工艺--HeLeakageTest

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M6U结构电芯制造工艺--CapacityTest

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M6U结构电芯制造工艺—OCV&Self-dischargeTest

0.01CdischargecurvewithLFP-059at25℃

Voltage(V)

3.8003.6003.4003.2003.0002.8002.6002.4002.200

2.000

0%10%20%30%40%50%60%70%80%90%100%