WO2010015856A3 - Recharging batteries - Google Patents

Recharging batteries Download PDF

Info

Publication number
WO2010015856A3
WO2010015856A3 PCT/GB2009/050980 GB2009050980W WO2010015856A3 WO 2010015856 A3 WO2010015856 A3 WO 2010015856A3 GB 2009050980 W GB2009050980 W GB 2009050980W WO 2010015856 A3 WO2010015856 A3 WO 2010015856A3
Authority
WO
WIPO (PCT)
Prior art keywords
rechargeable battery
photovoltaic
charge storage
output
charge
Prior art date
Application number
PCT/GB2009/050980
Other languages
French (fr)
Other versions
WO2010015856A2 (en
Inventor
Martin James Bellamy
Original Assignee
G24 Innovations Limited
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 G24 Innovations Limited filed Critical G24 Innovations Limited
Publication of WO2010015856A2 publication Critical patent/WO2010015856A2/en
Publication of WO2010015856A3 publication Critical patent/WO2010015856A3/en

Links

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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

An arrangement for charging a rechargeable battery (2) from the combined output current of three photovoltaic transducers (1a, 1b, 1c) is described. The output current from each photovoltaic transducer, e.g. (1a), is supplied via a respective diode (3a), to a charge storage circuit (4a), which selectively stores the charge from the output current until such time as there is sufficient charge to generate a suitable level of charging current for the rechargeable battery (2). The output of each charge storage circuit (4a, 4b, 4c) is supplied to the rechargeable battery (2) via respective dc-dc voltageconverters (13a, 13b, 13c) which convert the respective voltage levels of the output currents of the photovoltaic transducers (1a, 1b, 1c) to a level which matches that of the rechargeable battery (2). A multiplexer (37) is arranged between the dc-dc voltage converters (13a, 13b, 13c) and the rechargeable battery (2) to supply the outputs of the charge storage circuits (4a, 4b, 4c) sequentially to the battery (2). The invention is of particular application to dye-sensitised photovoltaic transducers which generate small output currents in response to low levels of ambient light.
PCT/GB2009/050980 2008-08-06 2009-08-05 Recharging batteries WO2010015856A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0814414.9 2008-08-06
GBGB0814414.9A GB0814414D0 (en) 2008-08-06 2008-08-06 Recharging batteries

Publications (2)

Publication Number Publication Date
WO2010015856A2 WO2010015856A2 (en) 2010-02-11
WO2010015856A3 true WO2010015856A3 (en) 2010-06-24

Family

ID=39767630

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2009/050980 WO2010015856A2 (en) 2008-08-06 2009-08-05 Recharging batteries

Country Status (2)

Country Link
GB (1) GB0814414D0 (en)
WO (1) WO2010015856A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703558A1 (en) * 2010-08-05 2012-02-15 Christoph Buechel Portable device with improved energy autonomy.
FR2984033B1 (en) * 2011-12-13 2015-04-17 Intesens ELECTRIC POWER TRANSFER DEVICE, ELECTRIC POWER GENERATING AND STORAGE SYSTEM, AND TELEMETRY APPARATUS
US10367372B2 (en) * 2014-12-24 2019-07-30 Passive Eye Limited Tracking device and power module
WO2016198484A1 (en) 2015-06-09 2016-12-15 Fondazione Istituto Italiano Di Tecnologia Circuit and process for supplying a load through a photovoltaic device and a battery
GB2553778B (en) * 2016-09-10 2019-12-11 Wearable Tech Limited Powering peripheral devices
US10311712B2 (en) 2016-09-10 2019-06-04 Wearable Technology Limited Apparatus and methods for controlling functionality and supplying power to a peripheral device attached to an item of clothing

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827534A (en) * 1988-05-26 1989-05-09 Haugen Alvin E Sun-powered vest
GB2298325A (en) * 1995-02-24 1996-08-28 Sanyo Electric Co Battery charger and solar cells for battery charging
WO2000021178A1 (en) * 1998-10-03 2000-04-13 The University Of Bristol A power management system
FR2785103A1 (en) * 1998-10-23 2000-04-28 Agence Spatiale Europeenne Electrical energy generator for a regulated supply bus used onboard satellites, has three state regulators for solar cell modules
US6369462B1 (en) * 2001-05-02 2002-04-09 The Aerospace Corporation Maximum power tracking solar power system
JP2003158831A (en) * 2001-09-10 2003-05-30 Sanburijji:Kk Chargeable/dischargeable electric power unit
WO2005091462A1 (en) * 2004-03-23 2005-09-29 Jean-Michel Cour Method and device tolerant to direct current source fluctuation for pulse charging a battery
US20060172782A1 (en) * 2005-01-31 2006-08-03 Eaton Corporation Wireless node and method of powering a wireless node employing ambient light to charge an energy store

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827534A (en) * 1988-05-26 1989-05-09 Haugen Alvin E Sun-powered vest
GB2298325A (en) * 1995-02-24 1996-08-28 Sanyo Electric Co Battery charger and solar cells for battery charging
WO2000021178A1 (en) * 1998-10-03 2000-04-13 The University Of Bristol A power management system
FR2785103A1 (en) * 1998-10-23 2000-04-28 Agence Spatiale Europeenne Electrical energy generator for a regulated supply bus used onboard satellites, has three state regulators for solar cell modules
US6369462B1 (en) * 2001-05-02 2002-04-09 The Aerospace Corporation Maximum power tracking solar power system
JP2003158831A (en) * 2001-09-10 2003-05-30 Sanburijji:Kk Chargeable/dischargeable electric power unit
WO2005091462A1 (en) * 2004-03-23 2005-09-29 Jean-Michel Cour Method and device tolerant to direct current source fluctuation for pulse charging a battery
US20060172782A1 (en) * 2005-01-31 2006-08-03 Eaton Corporation Wireless node and method of powering a wireless node employing ambient light to charge an energy store

Also Published As

Publication number Publication date
GB0814414D0 (en) 2008-09-10
WO2010015856A2 (en) 2010-02-11

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