WO2010114837A1 - Smart battery charging system and method - Google Patents

Smart battery charging system and method Download PDF

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Publication number
WO2010114837A1
WO2010114837A1 PCT/US2010/029223 US2010029223W WO2010114837A1 WO 2010114837 A1 WO2010114837 A1 WO 2010114837A1 US 2010029223 W US2010029223 W US 2010029223W WO 2010114837 A1 WO2010114837 A1 WO 2010114837A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
batteries
voltage regulator
charging
alternator
Prior art date
Application number
PCT/US2010/029223
Other languages
French (fr)
Inventor
Roger L. Haskell
Original Assignee
Median Wind, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Median Wind, Llc filed Critical Median Wind, Llc
Publication of WO2010114837A1 publication Critical patent/WO2010114837A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049—Detection of fully charged condition
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/005—Detection of state of health [SOH]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/143—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • a system for charging batteries includes a plurality of batteries; a step tracer voltage regulator; an alternator; and a voltage regulator, the alternator interconnected with the step tracer voltage regulator and the voltage regulator, the voltage regulator interconnected with first battery of the plurality of batteries, the first battery of the plurality of batteries for powering vehicle accessories and providing starting energy, the step tracer voltage regulator interconnected with a second and third battery of the plurality of batteries.
  • the step tracer voltage regulator includes an apparatus that monitors the charge in the second battery to detect when the second battery is fully charged.
  • the step tracer voltage regulator detects that the second battery is fully charged and charges the third battery.
  • the step tracer voltage regulator includes a diode that shunt the charging the second battery.
  • the diode is activated by a fully charged voltage of the second battery.
  • the charging is routed to the third battery.
  • the system includes a second alternator, wherein the alternator and the second alternator are a high output three phase alternators.
  • the second and third batteries have capacity monitoring sensors.
  • the second and third batteries provide a visual indication of capacity using feedback from the capacity monitoring sensors.
  • a method for charging a plurality of batteries includes providing an alternator interconnected with a step tracer voltage regulator; charging a first battery with the alternator and step tracer voltage regulator; fully charging the first battery, charging a second battery based on the fully charging.
  • the step tracer voltage regulator includes a diode.
  • the fully charging of the first battery activates the diode.
  • the diode reroutes to the second battery.
  • a method of charging smart batteries includes detecting a level of remaining total charge capacity for a battery; charging the battery; selling the charged battery for a price, wherein the price is dependent on the level of remaining total charge.
  • the battery is one of a plurality of batteries used in battery exchange system for vehicles.
  • Fig. 1 shows one embodiment of a smart battery charging system
  • Fig. 2 shows one embodiment of a smart battery charging method
  • Fig. 3 shows one embodiment of a method of exchanging batteries based on capacity.
  • an extra battery charging system is made up of four major components - batteries, "step tracer" voltage regulator, alternators and a traditional voltage regulator.
  • the engine crankshaft power drives a belt (or belts) that drive two alternators bracketed to the engine. On each alternator, one of the brackets is a fixed point, while one is adjustable to tighten the drive belt.
  • the alternators produce AC power, which electricity converted to DC, is channeled into the batteries.
  • the first alternator serves the car battery, which provides power/voltage to the vehicles electrical systems.
  • the second alternator channels electricity into a first battery, then a second, and so on, as each is successively fully charged.
  • a drive pulley is attended to a second alternator via a rotor shaft on the alternator.
  • the crankshaft turns the drive belt which in turn spins the pulley on the second alternator rotor shaft, and the alternator transfers the mechanical energy of the engine into electricity, charging the batteries, one after the other.
  • a preferred embodiment is a pair of high output three phase alternators, the first alternator is tied to the cars operational battery or batteries.
  • the second is tied to the 'step tracer' which charges a series of other batteries, one at a time, stepping from the first battery once fully charged, to a second until fully charged, then to a third, etc.
  • the step tracer voltage regulator determines when a battery is fully charged and 'steps' to the next battery. Diodes are used shunts to block and direct the ac current.
  • the voltage regulator monitors the amount of voltage needed for each battery to reach a full charge regulating either ground (regulates negative) or ground field (regulates positive).
  • the batteries in addition to the charge meter on the battery, the batteries have a battery health indicators and feedback. Overtime as batteries are charged and discharged, the capacity of the battery for receiving a charge drops. This is a result of degradation of the battery material. Therefore, in one embodiment, feedback is provided, in order to identify batteries that are degraded. This degradation is also known as decrease in cycle life.
  • batteries received a charging station are evaluated based on their remaining useful life and processed accordingly. After the battery is received at a charging station an indication of maximum charge capacity is detected. If the charge capacity is less than a predetermined threshold, then the battery is discarded for recycling and reassignment.
  • batteries are divided into groups according to their remaining maximum charge capacity. Users of the batteries then pay for batteries according to the grade of battery capacity they desire. Batteries with high capacity remaining have a high price per unit of power than batteries with a lower level of usable capacity remaining. In this way, stations can use batteries for a longer period of time, while users pay a lower price for power while sacrificing the convenience of having to exchange batteries less often. As shown in Fig.
  • a smart battery charging system includes a engine 1 10.
  • engine 1 10 can be any source of mechanical energy. Some examples include, a regenerative breaking system, or sources of energy that would occur outside of vehicle, such as a turbine drive by wind energy or other alternative energy source.
  • Engine 1 10 transfers power using a belt and pulley system, for example. Alternators 125 and 130 receive this power and convert into electrical energy. A rectifier may also be included (not shown). In a vehicle, some of the power from alternator 130 is used to recharge vehicle battery 140 and some is used to power vehicle accessories 135, such as lighting systems, radios, etc. The power produced by alternator 125 is transferred to a step tracers voltage regulator and controller 150.
  • the voltage regulator 150 provides power to batteries 155, 160, 165, 170. These batteries 155, 160, 165, 170 may be later exchanged for credit or charged batteries. In one alternative, this system may be implemented in a hybrid vehicle.
  • Fig. 2 shows one embodiment of a method of charging the batteries. In step 210 the first battery is charged. In step 220 the charging of the first battery is monitored. In step 230 the first battery is fully charged. In step 240 the second battery is then charged.
  • Fig. 3 shows one embodiment of a charge capacity detection method. In step
  • a battery is received at a charging station.
  • the capacity of the battery is determined.
  • the battery has an integrated chip that provides visual information on the remaining battery capacity.
  • an integrated chip in the battery provides a digital output receivable by a computing device.
  • the battery is hooked up to an analysis system for determining the remaining capacity for the battery.
  • the battery is discarded 340 for recycling, re-commissioning for another purpose, refurbishing, or disposal.
  • step 350 if the capacity of the battery is above a certain level, it is sorted into a higher capacity group 360. In otherwise the battery is in lower capacity group 370.
  • step 390 higher capacity batteries are resold (or exchanged) for a certain price greater than the price that lower capacity batteries are exchanged for in step 380. In this way lower capacity batteries continued to be used, despite their lower performance, since the price for power is set at a lower level.

Abstract

In one embodiment, a system for charging batteries includes a plurality of batteries; a step tracer voltage regulator; an alternator; and a voltage regulator, the alternator interconnected with the step tracer voltage regulator and the voltage regulator, the voltage regulator interconnected with first battery of the plurality of batteries, the first battery of the plurality of batteries for powering vehicle accessories and providing starting energy, the step tracer voltage regulator interconnected with a second and third battery of the plurality of batteries.

Description

TITLE
SMART BATTERY CHARGING SYSTEM AND METHOD
SUMMARY
In one embodiment, a system for charging batteries includes a plurality of batteries; a step tracer voltage regulator; an alternator; and a voltage regulator, the alternator interconnected with the step tracer voltage regulator and the voltage regulator, the voltage regulator interconnected with first battery of the plurality of batteries, the first battery of the plurality of batteries for powering vehicle accessories and providing starting energy, the step tracer voltage regulator interconnected with a second and third battery of the plurality of batteries. In one alternative, the step tracer voltage regulator includes an apparatus that monitors the charge in the second battery to detect when the second battery is fully charged. In another alternative, the step tracer voltage regulator detects that the second battery is fully charged and charges the third battery. Alternatively, the step tracer voltage regulator includes a diode that shunt the charging the second battery. Optionally, the diode is activated by a fully charged voltage of the second battery. Optionally, the charging is routed to the third battery. In one alternative the system includes a second alternator, wherein the alternator and the second alternator are a high output three phase alternators. Alternatively, the second and third batteries have capacity monitoring sensors. Optionally, the second and third batteries provide a visual indication of capacity using feedback from the capacity monitoring sensors. In one embodiment, a method for charging a plurality of batteries includes providing an alternator interconnected with a step tracer voltage regulator; charging a first battery with the alternator and step tracer voltage regulator; fully charging the first battery, charging a second battery based on the fully charging. Optionally, the step tracer voltage regulator includes a diode. In one alternative, the fully charging of the first battery activates the diode. In another alternative, the diode reroutes to the second battery.
In one embodiment, a method of charging smart batteries includes detecting a level of remaining total charge capacity for a battery; charging the battery; selling the charged battery for a price, wherein the price is dependent on the level of remaining total charge. Optionally, the battery is one of a plurality of batteries used in battery exchange system for vehicles. BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 shows one embodiment of a smart battery charging system; Fig. 2 shows one embodiment of a smart battery charging method; and Fig. 3 shows one embodiment of a method of exchanging batteries based on capacity.
DETAILED DESCRIPTION
In one embodiment, an extra battery charging system is made up of four major components - batteries, "step tracer" voltage regulator, alternators and a traditional voltage regulator. The engine crankshaft power drives a belt (or belts) that drive two alternators bracketed to the engine. On each alternator, one of the brackets is a fixed point, while one is adjustable to tighten the drive belt.
The alternators produce AC power, which electricity converted to DC, is channeled into the batteries. The first alternator serves the car battery, which provides power/voltage to the vehicles electrical systems. The second alternator channels electricity into a first battery, then a second, and so on, as each is successively fully charged.
In addition to a traditionally supported alternator, a drive pulley is attended to a second alternator via a rotor shaft on the alternator. When the vehicle engine is running the crankshaft turns the drive belt which in turn spins the pulley on the second alternator rotor shaft, and the alternator transfers the mechanical energy of the engine into electricity, charging the batteries, one after the other.
These charged batteries are then exchanged at a battery exchange/charging station for credit either for fuel or towards a then or future exchange for charged batteries.
A preferred embodiment is a pair of high output three phase alternators, the first alternator is tied to the cars operational battery or batteries. The second is tied to the 'step tracer' which charges a series of other batteries, one at a time, stepping from the first battery once fully charged, to a second until fully charged, then to a third, etc.
To ensure the correct amount of charge the step tracer voltage regulator determines when a battery is fully charged and 'steps' to the next battery. Diodes are used shunts to block and direct the ac current. The voltage regulator monitors the amount of voltage needed for each battery to reach a full charge regulating either ground (regulates negative) or ground field (regulates positive).
In one alternative, in addition to the charge meter on the battery, the batteries have a battery health indicators and feedback. Overtime as batteries are charged and discharged, the capacity of the battery for receiving a charge drops. This is a result of degradation of the battery material. Therefore, in one embodiment, feedback is provided, in order to identify batteries that are degraded. This degradation is also known as decrease in cycle life.
In another embodiment, batteries received a charging station are evaluated based on their remaining useful life and processed accordingly. After the battery is received at a charging station an indication of maximum charge capacity is detected. If the charge capacity is less than a predetermined threshold, then the battery is discarded for recycling and reassignment. In one alternative, batteries are divided into groups according to their remaining maximum charge capacity. Users of the batteries then pay for batteries according to the grade of battery capacity they desire. Batteries with high capacity remaining have a high price per unit of power than batteries with a lower level of usable capacity remaining. In this way, stations can use batteries for a longer period of time, while users pay a lower price for power while sacrificing the convenience of having to exchange batteries less often. As shown in Fig. 1 , one embodiment of a smart battery charging system includes a engine 1 10. In alternatives, engine 1 10 can be any source of mechanical energy. Some examples include, a regenerative breaking system, or sources of energy that would occur outside of vehicle, such as a turbine drive by wind energy or other alternative energy source. Engine 1 10 transfers power using a belt and pulley system, for example. Alternators 125 and 130 receive this power and convert into electrical energy. A rectifier may also be included (not shown). In a vehicle, some of the power from alternator 130 is used to recharge vehicle battery 140 and some is used to power vehicle accessories 135, such as lighting systems, radios, etc. The power produced by alternator 125 is transferred to a step tracers voltage regulator and controller 150. The voltage regulator 150 provides power to batteries 155, 160, 165, 170. These batteries 155, 160, 165, 170 may be later exchanged for credit or charged batteries. In one alternative, this system may be implemented in a hybrid vehicle. Fig. 2 shows one embodiment of a method of charging the batteries. In step 210 the first battery is charged. In step 220 the charging of the first battery is monitored. In step 230 the first battery is fully charged. In step 240 the second battery is then charged. Fig. 3 shows one embodiment of a charge capacity detection method. In step
310 a battery is received at a charging station. In step 320 the capacity of the battery is determined. In one alternative the battery has an integrated chip that provides visual information on the remaining battery capacity. Alternatively, an integrated chip in the battery provides a digital output receivable by a computing device. Alternatively, the battery is hooked up to an analysis system for determining the remaining capacity for the battery. In step 330 if the capacity of the battery is below a certain level, the battery is discarded 340 for recycling, re-commissioning for another purpose, refurbishing, or disposal. In step 350, if the capacity of the battery is above a certain level, it is sorted into a higher capacity group 360. In otherwise the battery is in lower capacity group 370. In step 390 higher capacity batteries are resold (or exchanged) for a certain price greater than the price that lower capacity batteries are exchanged for in step 380. In this way lower capacity batteries continued to be used, despite their lower performance, since the price for power is set at a lower level.

Claims

1. A system for charging batteries, comprising:
(a) a plurality of batteries;
(b) a step tracer voltage regulator;
(c) an alternator; and
(d) a voltage regulator, the alternator interconnected with the step tracer voltage regulator and the voltage regulator, the voltage regulator interconnected with first battery of the plurality of batteries, the first battery of the plurality of batteries for powering vehicle accessories and providing starting energy, the step tracer voltage regulator interconnected with a second and third battery of the plurality of batteries.
2. The system of claim 1 , wherein the step tracer voltage regulator includes an apparatus that monitors the charge in the second battery to detect when the second battery is fully charged.
3. The system of claim 2, wherein the step tracer voltage regulator detects that the second battery is fully charged and charges the third battery.
4. The system of claim 1 wherein the step tracer voltage regulator includes a diode that shunt the charging the second battery.
5. The system of claim 4 wherein the diode is activated by a fully charged voltage of the second battery.
6. The system of claim 5, wherein the charging is routed to the third battery.
7. The system of claim 1 , further comprising a second alternator, wherein the alternator and the second alternator are a high output three phase alternators.
8. The system of claim 1 , wherein the second and third batteries have capacity monitoring sensors.
9. The system of claim 8, wherein the second and third batteries provide a visual indication of capacity using feedback from the capacity monitoring sensors.
10. A method for charging a plurality of batteries, the method comprising:
(a) providing an alternator interconnected with a step tracer voltage regulator;
(b) charging a first battery with the alternator and step tracer voltage regulator;
(c) fully charging the first battery; and
(d) charging a second battery based on the charging of (c).
1 1. The method of claim 10 wherein the step tracer voltage regulator includes a diode.
12. The method of claim 10 wherein the fully charging of the first battery activates the diode.
13. The method of claim 9 wherein the diode reroutes to the second battery.
14. A method of charging smart batteries, the method comprising:
(a) detecting a level of remaining total charge capacity for a battery;
(b) charging the battery; and
(c) selling the charged battery for a price, wherein the price is dependent on the level of remaining total charge.
15. The method of claim 14, wherein the battery is one of a plurality of batteries used in battery exchange system for vehicles.
PCT/US2010/029223 2009-03-30 2010-03-30 Smart battery charging system and method WO2010114837A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16446709P 2009-03-30 2009-03-30
US61/164,467 2009-03-30

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710226A (en) * 1971-03-25 1973-01-09 Eltra Corp Generator with multiple voltage regulators
US5539297A (en) * 1992-05-15 1996-07-23 Robert Bosch Gmbh Charging device for charging a plurality of batteries based on parameter priority
US6252377B1 (en) * 1999-01-26 2001-06-26 Honda Giken Kogyo Kabushiki Kaisha Apparatus for detecting remaining charge of battery
US20030209375A1 (en) * 1999-01-25 2003-11-13 Zip Charge Corporation Electrical vehicle energy supply system, electrical vehicle battery, electrical vehicle battery charging apparatus, battery supply apparatus, and electrical vehicle battery management system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710226A (en) * 1971-03-25 1973-01-09 Eltra Corp Generator with multiple voltage regulators
US5539297A (en) * 1992-05-15 1996-07-23 Robert Bosch Gmbh Charging device for charging a plurality of batteries based on parameter priority
US20030209375A1 (en) * 1999-01-25 2003-11-13 Zip Charge Corporation Electrical vehicle energy supply system, electrical vehicle battery, electrical vehicle battery charging apparatus, battery supply apparatus, and electrical vehicle battery management system
US6252377B1 (en) * 1999-01-26 2001-06-26 Honda Giken Kogyo Kabushiki Kaisha Apparatus for detecting remaining charge of battery

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