Publication

Trottinette électrique ITROTT – circuit de recharge de batteries

2011
Student Projects

Abstract

Pour sa source d’énergie, la trottinette développée au LAI (iTrott) utilise un pack de 10 accumulateurs de type lithium-polymère (LiPo). La recharge de ces accumulateurs doit se faire de manière contrôlée et ceci pour chaque cellule élémentaire. Le projet proposé ici consiste à mettre en œuvre un circuit intégré de contrôle et à réaliser un PCB que l’on intégrera ultérieurement à la trottinette électrique.

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2011
Student Projects

Abstract

Official source

Related concepts (7)

Electric battery

A battery is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. The terminal marked negative is the source of electrons that will flow through an external electric circuit to the positive terminal. When a battery is connected to an external electric load, a redox reaction converts high-energy reactants to lower-energy products, and the free-energy difference is delivered to the external circuit as electrical energy.

Lithium-ion battery

A lithium-ion or Li-ion battery is a type of rechargeable battery which uses the reversible reduction of lithium ions to store energy. The negative electrode of a conventional lithium-ion cell is typically graphite, a form of carbon. This negative electrode is sometimes called the anode as it acts as an anode during discharge. The positive electrode is typically a metal oxide; the positive electrode is sometimes called the cathode as it acts as a cathode during discharge.

Nickel–metal hydride battery

A nickel metal hydride battery (NiMH or Ni–MH) is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium. NiMH batteries can have two to three times the capacity of NiCd batteries of the same size, with significantly higher energy density, although much less than lithium-ion batteries.

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Trottinette électrique ITROTT – circuit de recharge de batteries

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