IP Library Patent Application 13475484
Patent Application
App. No. 13/475,484

LEAD-ACID BATTERY WITH HIGH POWER DENSITY AND ENERGY DENSITY

Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US None
App. No.
13/475,484
Abstract

A battery module for an electric vehicle or a hybrid electric vehicle having two or more battery components. An lead-acid electrochemical storage device is provided, comprising a specific power of between about 550 and about 1,900 Watts/kilogram; and a specific energy of between about 25 and about 80 Watt-hours/kilogram.

Claims (29)

1 . A lead-acid electrochemical storage device, wherein the lead-acid electrochemical storage device has a specific power that is greater than or equal to about 550 Watts/kilogram and less than or equal to about 1,900 Watts/kilogram; and further wherein the lead-acid electrochemical storage device has a specific energy that is greater than or equal to about 25 Watt-hours/kilogram and less than or equal to about 80 Watt-hours/kilogram.

2 . The device of claim 1 , wherein the cycle life of the device is greater than or equal to about 150 cycles.

3 . The device of claim 1 , adapted for use in a vehicle application.

4 . The device of claim 3 , wherein the vehicle application is selected from the group consisting of stop/start, partial electrification, and complete electrification of a vehicle propulsion system.

5 . The device of claim 1 , wherein the device includes negative and positive electrodes sharing a common current collecting substrate and having a bipolar design or pseudo-bipolar design.

6 . The device of claim 1 , wherein the device comprises a plurality of cells.

7 . The device of claim 1 , wherein the device comprises a plurality of cells disposed within a common casing.

8 . The device of claim 7 , wherein the plurality of cells are connected ionically within each cell and electrically between cells.

9 . An aqueous electrochemical storage device, operable between −30° and 80° C., wherein the storage device has a specific power of between about 1,500 Watts/kilogram and about 1,750 Watts/kilogram and a specific energy of between about 25 Watt-hours/kilogram and about 100 Watt-hours/kilogram.

10 . The device of claim 9 , wherein the device comprises a lead-acid battery module.

11 . The device of claim 9 , wherein the cycle life of the device is greater than or equal to 150 cycles.

12 . The device of claim 11 , wherein the device is adapted for use in a vehicle application.

13 . The device of claim 12 wherein the vehicle application is selected from the group consisting of stop/start, partial electrification, and complete electrification of a vehicle propulsion system.

14 . The device of claim 10 , wherein the lead-acid battery module includes negative and positive electrodes sharing a common current collecting substrate and having a bipolar or pseudo-bipolar design.

15 . A lead-acid electrochemical storage device comprising:

a plurality of electrode plates, wherein each of the plurality of electrode plates has a shape with a width and a length and wherein a ratio of the length to the width is about two; and

a bus bar comprising a plurality of slits for electrically connecting the plurality of electrode plates.

16 . The storage device of claim 15 , wherein each of the bus bar comprises copper.

17 . The storage device of claim 16 , wherein the bus bar comprises a copper tube.

18 . The storage device of claim 15 , wherein the width of each the plurality of electrode plate is about two inches and the length of each of the plurality of electrode plates is about four inches.

19 . The storage device of claim 15 , wherein each of the plurality of electrode plates includes an end cap configured for electrical connection with said bus bar.

20 . The storage device of claim 15 , wherein each of the plurality of electrode plates also has a thickness that is less than xxx.

21 . The storage device of claim 15 , wherein the plurality of electrode plates are electrically connected by a microfiber material with an ohmic resistance below.

22 . A lead-acid electrochemical storage device comprising:

a plurality of electrode plates, wherein each of the plurality of electrode plates has a shape with a width and a length and wherein a ratio of the length to the width is about two; and

a bus bar comprising a plurality of copper scallops for electrically connecting a plurality of electrode plates.

23 . The storage device of claim 22 , wherein each of the plurality of electrode plates also has a thickness that is less than 0.1 inches.

24 . The storage device of claim 22 , further comprising a mono-directional grid.

25 . The storage device of claim 15 , wherein the device has a specific power that is greater than about 550 Watts/kilogram and further has a specific energy that is greater than about 25 Watt-hours/kilogram.

Assignments (2)
CHANGE OF NAME Recorded Aug 4, 2017
From: ENERGY POWER SYSTEMS, LLC
To: TBP INVESTMENTS, LLC
Reel/Frame 043455/0314 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 18, 2012
From: DHAR, SUBHASH; ALBANO, FABIO; VENKATESAN, SRINIVASAN; KOETTING, WILLIAM; MARTIN, FRANKLIN; HIGLEY, LIN
To: ENERGY POWER SYSTEMS LLC
Reel/Frame 028235/0556 →