NMR

solid electrolytes,cathode andanode materials

Li-ion

sAC/DC

CV, …Na-ion

new

materials

solid-state synth.anodic etchingmechnosynth., etc.

Li-air

F-ionceramics,

nanocrystallinesolids

research topics of the group / objectivessolid & liquid electrolytes (Li transport), anode materials, …

Conversionalloying

selected results of our research

(a) fast Li ion transport in solids

(NMR, conductivity)

(b) Li-air batteries

Li-O2 batteries

Cycle stability(Li+ & e- conductor)

Science (2012)JACS (2012)

Nature Materials (2013)

Rate & Efficiency

Nature Chemistry (2013)

Angew. Chem. (2011, 2012)JACS (2011, 2012)

Nature Chemistry (2013)J. Phys. Chem. C (2014)

Mechanisticunderstanding &

Electrolytes

RamanNMR

FTIRSEM/TEM

DEMSEPR

MS

Collab. P. Bruce(St Andrews)

Research needs

Performance

2+ e- systems

Cost & Sustainability

Na+

Long term goal:All-solid-state

batteries

Earth abundantelements

Better electrolytesliquid & solid

High voltage

_

+

Alloying, conversion, organic

Li-S, Li-O2, insertion

Ecoefficient synthesis

RecyclabilityOrganic electrodes

Common key requirements

Electronic wiring

Thank you!