CAPACITOR AND BATTERY COMBINATION - MAXWELL TECHNOLOGIES INC

Title:

CAPACITOR AND BATTERY COMBINATION

Document Type and Number:

WIPO Patent Application WO/2013/138380

Kind Code:

A3

Abstract:

This disclosure provides systems, methods and apparatus for a combined battery/capacitor energy storage device. The device includes a first device terminal, a second device terminal, a battery connected between the first terminal and the second terminal, and a capacitor connected in parallel with the battery. In one aspect, a rectifier is connected between the first terminal and the capacitor, the rectifier configured to allow substantially unidirectional current flow from the first terminal to the capacitor, in another aspect, a switch is between the capacitor and the first terminal, in another aspect, a current limiter extends between the first terminal and the capacitor. In another aspect, the device includes a housing that includes an integrated battery housing portion and a capacitor housing portion, in another aspect, a bus bar system electrically connects the battery, the capacitor, and the terminals.

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Inventors:

COWPERTHWAITE JEREMY (US)
SHIMBORI TAKAO (US)
SETTERBERG MIKAEL (US)
BENDALE PRIYA (US)
DOUGHERTY TOM (US)
KAMINSKY ILYA (US)
LYNDS ROBERT SHAW (US)
HUNG HA Q (US)
MILLER JOHN MICHAEL (US)

Application Number:

PCT/US2013/030605

Publication Date:

March 13, 2014

Filing Date:

March 12, 2013

Export Citation:

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Assignee:

MAXWELL TECHNOLOGIES INC (US)

International Classes:

H01M16/00; H01G9/28; H01M50/209; H01M50/253; H01M50/296; H02J7/34

Domestic Patent References:

WO2011097196A2

2011-08-11

Foreign References:

US20060098390A1	2006-05-11
US5849426A	1998-12-15
US6387553B1	2002-05-14
US20060247715A1	2006-11-02
DE102009030016A1	2010-12-30
US20020182480A1	2002-12-05

Other References: