8 - Energy sources of a Robot Battery and Voltage Regulator

8 - Energy sources of a Robot Battery and Voltage Regulator...

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ELEC300V – Fundamental of Electro-Robotics all 2008 Fall 2008 Lecture 8 Energy sources of a robot Battery and voltage regulator
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ource of energy Source of energy attery lectrochemical cells that store Battery – electrochemical cells that store energy in a chemical way, – Converting chemical energy into electrical + + energy – Positive electrode (anode) and negative electrode (cathode) – Primary battery - non-rechargeable – Secondary battery - Re-chargeable • Energy harvesting from the environment - - – Solar –W i n d hermal Thermal – mechanical
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uality of a battery Quality of a battery echargeable or not Rechargeable or not • Energy density ize Size • Runtime and service life • Safety • Maintenance requirement • Recharging cycle (for rechargeable battery) harging time (for rechargeable battery) Charging time (for rechargeable battery) • Voltage and current rating oad characteristics Load characteristics • Different type of battery have different characteristics on the above qualities
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ypes of battery Types of battery rimary battery Primary battery – Alkaline battery – Zinc-carbon battery econdary battery Secondary battery – Lead-acid battery – mostly used in automobile – Dry-cell – mobile usage ickel admium (NiCd) Nickel-cadmium (NiCd) • Nickel Metal Hydride (NiMH) • Lithium-ion • Lithium polymer Fuel cell – produces electricity from fuel and an oxidant, which react in the presence of an electrolyte. – Consume reactant, which my be replenished – Hydrogen fuel cell – hydrogen as fuel and oxygen (air) as oxidant – Other fuels – hydrocarbons and alcohols.
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haracteristics of rechargeable battery Characteristics of rechargeable battery Nickel- Nickel-metal- Lead-Acid
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This note was uploaded on 01/28/2011 for the course ELEC 300V taught by Professor C.ytsuiandmansunchan during the Fall '08 term at HKUST.

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8 - Energy sources of a Robot Battery and Voltage Regulator...

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