Battery technologyHanne Flåten Andersen

IFE Allmøte 28.02.2019

Better batteries- what are thechallenges?

Battery value chain – where are we?

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Raw materials Adaptedmaterials Batteries Modules Applications

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

5

Silicon

LI-ION STORAGE CAPACITY

Commercial material

Silicon

Silicon market

6

“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

Recent developments - SiliconX

• Using silicon nitrides

• Improvement of both capacity and lifetime

8

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

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

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