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A black and white cross-sectional diagram of a nickel-cadmium battery, showing labeled components and current direction.

Dessine un schéma simple et clair d’une pile au nickel-cadmium (Ni-Cd) en coupe transversale. Le schéma doit montrer un boîtier rectangulaire en acier. À l’intérieur, à gauche, une électrode négative (anode) étiquetée « Cadmium (Cd) ». À droite, une électrode positive (cathode) étiquetée « Oxyde de nickel (NiOOH) ». Entre les deux électrodes, un espace étiqueté « Électrolyte KOH (hydroxyde de potassium) ». Un séparateur poreux (ligne pointillée) sépare les deux électrodes. À l’extérieur de la pile, une flèche part de l’anode (−) vers la cathode (+), avec la légende « Direction du courant (décharge) ». Toutes les étiquettes sont en français. Le style est didactique, comme dans un manuel de chimie. Mehr sehen

#science #diagram #engineering

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