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Les batteries Li-ion

Projet ITA 2013 — Université François-Rabelais de Tours
by

Thibaud Martinet

on 2 December 2013

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Transcript of Les batteries Li-ion

Batterie Li-ion
Les batteries Li-ion
différents types de batteries
Batterie li-ion
Pourquoi le lithium ?
L'oxydoréduction
Potentiel redox
Charge
Décharge
réducteur
oxydant
Ox
+
n
e =
Red
e-
Piles & batteries
Piles
décharge
Batteries
décharge
charge
Plomb-acide
Lithium-ion
Nickel
métal hydrure
30 Wh/kg
80 Wh/kg
200 Wh/kg
léger
&
Oxydoréduction
Types de batteries
Lithium
Red
=
Ox
+
n

e
-
1
1
2
2
n

Ox
+
n

Red
=
n

Red
+
n

Ox
-
électrode
Li
+
Ingénieur(e), toi aussi : la voiture du futur
Axel Tarride
Marine Thibault
Thibaud Martinet
Maixent Bourgeois

1
2
1
1
1
1
2
2
2
2
Équation de Nernst
bas potentiel
nombreux cycles
pas d'effet mémoire
coût
électrolyte inflammable
Li + H O = Li + HO + H
2
2
+
-
(l)
(g)
1

2
LiMnO = Li MnO +
x
Li +
x
e
2
2
(1-
x
)
+
-
6C + Li + e = LiC
+
-
6
(s)
(gr)
(s)
durée de vie
Full transcript