The battery manufacturing industry: Industrial opportunities and challenges Innovations for a better world.
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The battery
manufacturing
industry:
Industrial opportunities and challenges
Innovations for a better world.
Every day, billions of people come into contact with Bühler
technologies to cover their basic needs for foods and mobility.
06:30 07:15 10:00 13:00 19:00
07:00 07:30 12:00 18:00 19:15
2 2/16/2021 Bühler 2020 Bühler Battery Solutions
Bühler at a glance.
Global market leader with a strong presence in local markets.
CHF 3.27 bn 12,838
Turnover Employees
140 100%
Countries Family-owned company
100 up to 5%
Service stations of turnover are invested in
Research & Development
33
Manufacturing sites Particularly committed to sustainability
3 2/16/2021 Bühler 2020 Bühler Battery Solutions
Strong position in our industries.
Market share in our markets.
Grain milling Optical sorting Feed production
Milling Sortex & Rice Feed
Solutions
30% 15%
65%
Grinding &
Die Casting Leybold Optics Dispersing
50% 60% 33%
Die Casting: share of parts in cars Leybold Optics: glass coaters Grinding & Dispersing: printing inks
4 2/16/2021 Bühler 2020 Bühler Battery Solutions
Global relevance.
Bühler’s contribution to global nutrition and mobility.
Feeding Moving
2 billion 1 billion
people people
every day every day
5 Bühler Annual Media
2/16/2021 Conference,
Bühler Feb.
2020 Bühler 08, 2018,
Battery Swissmill, Zurich
Solutions
Bühler solutions along the value chain for LIB manufacturing.
LIB precursor and raw materials milling LIB electrode slurry mixing
small to
production
scale
Wet grinding
of active
materials e.g. Si, large
NCA, NCM, production
LFP, … scale
precursor chemical conversion electrode slurry electrode cellcell pack
formation precursor preparation manufacturing assembly
assembly assembly
Chemical companies Battery manufacturer Carmakers
6 Bühler 2020 Bühler Battery Solutions
Main industrial challenges in battery material processing
Volume (by 2025) Contamination Cost
- LFP demand : ~1’200’000 ton - (alkali) metal contamination - Constant pressure from the
- NMC demand:~1’000’000 ton during processing of active OEM’s to reduce the cost
- Silicon demand: ~300’000 ton materials and electrode of the battery pack causes
slurry needs to be avoided. constant pressure in the
As example, the Burj Khalifa - Oxygen and water complete value chain.
weighs 500’000 ton contamination needs to be - Low margins high volumes
avoided during electrode - High risks and penalties
slurry preparation
7 Bühler 2020 Bühler Battery Solutions
Grinding and Dispersing 8
Process Technology & Equipment.
For Micro Wet Grinding and Dispersing.
dosing and
weighing
Mixing &
Pre-dispersing
wet grinding
blending
potting and
packaging
9 Bühler 2020 Bühler Battery Solutions
Deagglomeration and True Grinding.
Start particle
flocculate agglomerate aggregate crystal
deagglomeration true grinding
partially separated fragments of crystals or
primary particles amorphous particles
primary particles
Particles after grinding
Increasing of specific energy input
10 Bühler 2020 Bühler Battery SolutionsWet grinding and dispersing - equipment map.
extreme
extruder Solid state
product viscosity
three roll mill
pasty
Electrode
high
slurry
medium
agitated bead mills
mixer
Active
materials
disperser
low
10nm 100nm 1µm 10µm 100µm 1mm
nano Sub-micron micron coarse
particle size
11 Bühler 2020 Bühler Battery SolutionsGrinding & Dispersing.
Worldwide Presence right next to our customers.
Bühler AG, Uzwil/CH (HQ)
Centre of Competence
Bühler K.K., Hiroshi
RADEC EA
Bühler Inc., Mahwah
RADEC NA
Bühler China, Wuxi
RADEC CN / Battery Solutions
IRO LAB, Mexico
J&V Company / Taipei, Taiwan
RADEC CN
GD Test centres (CoC, RADEC)
12 Bühler 2020 Bühler Battery SolutionsTest laboratories & technology centers.
Fully equipped research centers with modern particle analysis.
Competence Center EU: Uzwil,
Equipped with lab, pilot and small production machines Switzerland
and state-of-the-art analytical equipment for analyses during test runs.
13 Bühler 2020 Bühler Battery SolutionsMilling LIB Active Materials 14
MacroMedia and MicroMedia+.
A truly unbeatable duo.
MicroMedia
The next step-change
in bead mill
technology
MicroMedia+™
-
The next level of
convenience
15 Bühler 2020 Bühler Battery SolutionsMacroMedia
Revolutionary pre-dispersing solution.
Product outlet
Rotor
Pump wheel
Gap separator
Product inlet
16 Bühler 2020 Bühler Battery SolutionsMacromedia as Pre-grinding machine for Active Battery Materials
extruder Use of Macromedia for reducing size
of Silicon particles from d90 >120µm
toMacroMedia
Insides.
Product inlet
Product outlet Rotor
Gap separator
Integrated Pump
18 Bühler 2020 Bühler Battery SolutionsMicroMedia+™
The next level of convenience
Easy and smart control solutions
• Intuitive operation
• Integrated module control
Easy configuration • Internet of Things (IoT)
To maximize your results, we
place special emphasis on the
correct configuration of the
machine to comply with your local
regulations and needs. Beside
the different regional solutions, Easy handling
we offer a wide range of MicroMedia+™ offers several features
machine sizes. Additionally, there for an easy machine handling. For
are several materials available example, to increase the usability,
such as steel, polyamide and the bearing unit and the lifting device
ceramics to suit your application. have been redesigned. Additionally, the
easy accessibility of all parts
and the new mechanical seal make
maintenance a simple task.
19 Bühler 2020 Bühler Battery SolutionsEquipment Map.
liquid medium high pasty extreme
extruder
product viscosity three roll mill
agitated media mills
MicroMedia+™
• Recirculation operation for nano
dispersing and grinding tasks mixer
• Low to medium viscosities disperser
10nm 100nm 1µm 10µm 100µm 1mm
nano submicron micron coarse
target particle size
20 Bühler 2020 Bühler Battery SolutionsMicroMedia+™
Proven technology for better product quality.
• MicroMedia+™ - Cutting edge technology for better product quality
• Maximum energy efficiency due to smaller beads and highest power
density
• Large screen surface and real centrifugal bead separation for highest
flow capability
• Pin/counter pin concept for efficient activation of grinding beads
• Maximized cooling surface for highest possible cooling efficiency
• The unbeatable duo with MacroMedia™ for most reliable and cost
efficient wet grinding process
21 Bühler 2020 Bühler Battery SolutionsMicroMedia+™
Quality meets efficiency.
High cooling capacity allows to work
with highest Power Density (2,75kW/L)
-> High Productivity
Narrow process zone leads to equal
treatment of all particles
-> Narrow Particle Size Distribution
Wide range of process chamber
materials tailored to your needs
22 Bühler 2020 Bühler Battery SolutionsSpecial Rotor for Battery applications
Polyamide shows high wear
resistance, the polyamide
has no negative impact
towards the battery
application
Large slots in rotor for
optimized bead separation
system, allows to work with
high flow rate
Ceramic ring on the bottom
of the rotor for extra wear
resistance at high shear
zone
23 Bühler 2020 Bühler Battery SolutionsBühler, a strong global partner for the next generation of Lithium-ion
batteries.
Among others,
Proof of concept battery customers
Many trials with First next-gen
for mixing and from JP, CN, KOR,
next-generation processes
shaping of semi- US, D, FR, IT, SPA,
active materials successfully
solid-state and BE and CH rely on
and formulations upscaled from lab
solid-state the process and
completed to pilot scale.
formulations engineering
successfully.
accomplished. expertise of
Bühler.
24 Bühler 2020 Bühler Battery SolutionsPremium Plus
Embedded System
25Premium Plus for embedded system.
Smart and cost efficient solutions for small production cells.
smart & cost
efficient
combine
modules to
a small
production
system
26 Bühler 2020 Bühler Battery SolutionsPremium Plus for embedded system.
Smart and cost efficient solutions for small production cells.
higher
process
intuitive safety
user
guidance
higher
productivity
27 Bühler 2020 Bühler Battery SolutionsPremium Plus for embedded system.
Smart and cost efficient solutions for small production cells.
smart & cost
efficient
higher
process
safety
quick higher
access to productivity
all
functions
Return
28 Bühler 2020 Bühler Battery SolutionsLarge scale electrode
slurry production –
Continuous mixing
29 2/16/2021Bühler Battery Application Labs for process development and optimization • Uzwil Switzerland: 20mm mixer (4 – 40 l/h) • Wuxi China: 30mm mixer (10 – 100 l/h), dry room 30 2/16/2021 Bühler 2020 Bühler Battery Solutions
Example for electrode slurry production plant. 32 2/16/2021 Bühler 2020 Bühler Battery Solutions
Large scale production plant. 33 2/16/2021 Bühler 2020 Bühler Battery Solutions
Example continuous electrode slurry production plant. 34 2/16/2021 Bühler 2020 Bühler Battery Solutions
Thank you for your attention! Kurt Belmans Area Sales Manager Grinding & Dispersing – Leybold Optics Global Application Manager kurt.belmans@buhlergroup.com Phone +32 1528 65 18 Mobile +32 496 677 973 Bühler 2021 | Battery Solutions.
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