ife allmøte 28.02 · 2020-01-22 · ife allmøte 28.02.2019. better batteries - what are the...
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Battery technologyHanne Flåten Andersen
IFE Allmøte 28.02.2019
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Better batteries- what are thechallenges?
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Battery value chain – where are we?
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Raw materials Adaptedmaterials Batteries Modules Applications
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How does the batterywork?
Li1-xMO2 LixCn
Posi
tive
curre
nt c
olle
ctor
Separator/Electrolyte
Negative current collector
Li+ intercalation
Li+ intercalation
Li+ on charge
Li+ on discharge
V e- on dischargee- on charge
Anode
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Silicon
LI-ION STORAGE CAPACITY
Commercial material
Silicon
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Silicon market
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“It’s a race among the battery makers to get more and more silicon in”
- Jeff Dahn, 3M and Tesla
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Challenge
www.argonne.com
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Recent developments - SiliconX
• Using silicon nitrides
• Improvement of both capacity and lifetime
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0
500
1000
1500
2000
2500
3000
3500
1 51 101 151 201
Capa
city
/ m
Ah/g
Lifetime
Pure silicon
SiliconX material
Market technology
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Silicon production laboratory• Producing silicon based energy materials
• Free space reactors
• Gas-phase silane polymerization• Understanding the chemistry of silane• Production control• Flexibility in composition• Up-scaling
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Battery developmentlaboratoryHow to optimize the battery
• Testing different Si sources
• Preparing electrodes
• Research on all components in anode (binder, carbon)
• As well as other battery components such as electrolyte, cathode
• Electrochemical testing of cells• Largest lab scale facility in Norway
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Commercial batterylaboratoryBattery research for end-users
• Strong cooperation with norwegianmaritime industry
• Predicting life time of commercial batterycells and packs
• Evaluation of battery ageing throughexperiments and modelling
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Future battery market
• Battery boom
• Giga factories
• Battery prices dropping
• New areas opening up with marketdevelopments:• Stationary storage• Recycling/urban mining• 2nd life batteries
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Projects and partners
• Most of our projects are funded via Norwegian Research Council calls• EnergiX
• Larger focus on EU-calls • Some direct projects with industry
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Thank you!
Hanne Flåten AndersenBattery Technology
@energiteknikk