IntroductionIntroduction BackgroundBackground ObjectivesObjectives Design SpecificationsDesign Specifications Risk AnalysisRisk Analysis BudgetBudget QuestionsQuestions

Agenda

KELD, LLC Roger KoenigKELD, LLC Roger Koenig Importance of Project:Importance of Project:

Gas PricesGas Prices Energy PricesEnergy Prices

Transportation needsTransportation needs AutomobilesAutomobiles BusesBuses

Alternative Energy Alternative Energy

Introduction

Supercapacitor

Lithium-Ion Battery

Hybrid Electric Vehicle (HEV)

Research

Background

Objective Develop an energy storage system Develop an energy storage system

that is suitable for Hybrid Electric that is suitable for Hybrid Electric Vehicles (HEV) and renewable Vehicles (HEV) and renewable energy storage systemsenergy storage systems

Use active circuit components and a Use active circuit components and a microcontroller to maximize the microcontroller to maximize the efficiency of the hybrid battery-efficiency of the hybrid battery-super capacitor combinationsuper capacitor combination

Design Specifications

Design Specifications 48.1V Lithium Ion battery48.1V Lithium Ion battery High energy densityHigh energy density No memory effect and they have a No memory effect and they have a

slow loss of charge when not in useslow loss of charge when not in use Provide energy to the constant load Provide energy to the constant load Active circuit components and a Active circuit components and a

Protection Circuit Module (PCM)Protection Circuit Module (PCM)

Risk Analysis Battery Destruction by large discharge Battery Destruction by large discharge

of current of current Cell Leakage (possible hazardous Cell Leakage (possible hazardous

chemical reaction)chemical reaction) High power (1KW hybrid) Load might High power (1KW hybrid) Load might

blow out the energy storage system blow out the energy storage system easily easily

It is very dangerous to work with High It is very dangerous to work with High Current systemCurrent system

Budget $10,000 budget which is provided by $10,000 budget which is provided by

KELD, LLCKELD, LLC DC-DC Converters ($50-$70)DC-DC Converters ($50-$70) PCM ($80-$100)PCM ($80-$100) 13 cells (48.1V)Lithium ion ($800 -$1000)13 cells (48.1V)Lithium ion ($800 -$1000) Super capacitors( to be determined)Super capacitors( to be determined) Load Resistors (1KW power rating $1000)Load Resistors (1KW power rating $1000) Microcontroller ($15)Microcontroller ($15)

Questions?