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New Perspectives in Energy Storage Materials

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Intensity<br />

4000<br />

3000<br />

2000<br />

1000<br />

3.93 V<br />

3.77 V<br />

3.6 V<br />

3.52 V<br />

3.47 V<br />

3.1 V<br />

472 (60.8)<br />

Observ<strong>in</strong>g “s<strong>in</strong>gle particle” state of charge<br />

Cathode Particle<br />

475.5 (55.42)<br />

475.9 (51.3)<br />

476.3 (51)<br />

Cathode Particle 2<br />

Near Separator<br />

473.9 (52.9) 550.3 (56.1) 0.84<br />

200 300 400 500 600 700 800<br />

Raman Shift (cm -1 )<br />

547.5 (61.8)<br />

471.33 (54.42) 448.3.5 (61.6) 0.71<br />

550.5 (48.7)<br />

553.1 (50)<br />

553 (50)<br />

0.87<br />

0.94<br />

1.03<br />

1.43<br />

Separator<br />

Intensity<br />

20 µm<br />

7000<br />

6000<br />

5000<br />

4000<br />

3000<br />

2000<br />

3.93 V<br />

3.73 V<br />

3.65 V<br />

3.52V<br />

3.34 V<br />

3.0 V<br />

Anode Particle<br />

Galvanostatic at 1C rate<br />

10 µm<br />

Anode Particle Near Separator<br />

1300 1400 1500 1600 1700<br />

Raman Shift (cm -1 )<br />

1581.0 cm -1<br />

1589.0 cm -1<br />

1589.77 cm -1<br />

Graphite<br />

Li xC 6<br />

~ LiC 6

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