CA2297839A1 - In situ short-circuit protection system and method for high-energy electrochemical cells - Google Patents
In situ short-circuit protection system and method for high-energy electrochemical cells Download PDFInfo
- Publication number
- CA2297839A1 CA2297839A1 CA 2297839 CA2297839A CA2297839A1 CA 2297839 A1 CA2297839 A1 CA 2297839A1 CA 2297839 CA2297839 CA 2297839 CA 2297839 A CA2297839 A CA 2297839A CA 2297839 A1 CA2297839 A1 CA 2297839A1
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- Prior art keywords
- particular cell
- cell
- short
- approximately
- cells
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Protection Of Static Devices (AREA)
Abstract
An in situ thermal management system for an energy storage device. The energy storage device includes a plurality of energy storage cells each being coupled in parallel to common positive and negative connections. Each of the energy storage cells, in accordance with the cell's technology, dimensions, and thermal/electrical properties, is configured to have a ratio of energy contentto-contact surface area such that thermal energy produced by a short-circuit in a particular cell is conducted to a cell adjacent the particular cell so as to prevent the temperature of the particular cell from exceeding a breakdown temperature. In one embodiment, a fuse is coupled in series with each of a number of energy storage cells. The fuses are activated by a current spike capacitively produced by a cell upon occurrence of a short-circuit in the cell, thereby electrically isolating the short-circuited cell from the common positive and negative connections.
Claims (21)
1. An in-situ thermal management system for an energy storing unit, comprising:
a plurality of energy storing cells connected in parallel to common positive and negative connections; and a plurality of short-circuit protection devices each being coupled in series to one of the plurality of energy storing cells a particular short-circuit protection device of the plurality of short-circuit protection devices coupled to a particular cell of the plurality of cells being activated by a current spike capacitively produced upon occurrence of a short-circuit in the particular cell, the particular cell being electrically isolated from the common positive and negative connections upon activation of the particular short-circuit device.
a plurality of energy storing cells connected in parallel to common positive and negative connections; and a plurality of short-circuit protection devices each being coupled in series to one of the plurality of energy storing cells a particular short-circuit protection device of the plurality of short-circuit protection devices coupled to a particular cell of the plurality of cells being activated by a current spike capacitively produced upon occurrence of a short-circuit in the particular cell, the particular cell being electrically isolated from the common positive and negative connections upon activation of the particular short-circuit device.
2. A system according to claim 1, wherein the energy storage cells are thin-film electrochemical cells optionally maintained in a state of compression.
3. A system according to claim 2, wherein each of the electrochemical cells has a ratio of energy content-to-contact surface area such that thermal energy produced by a short-circuit in the particular cell of the plurality of cells is conducts to a cell adjacent the particular cell so as to prevent a temperature of the particular cell from exceeding a breakdown temperature.
4. A system according to claim 1, 2 or 3, wherein the short-circuit protection devices are fuses.
5. A system according to claim 4, wherein the fuses are activated by a current spike having an amperage ranging between approximately 300 A and 600 A.
6. A system according to claim 4, wherein the fuses have a current rating of approximately 50 A.
7. A system according to claim 4, wherein the fuses are fabricated as an integrated package.
8. A system according to claim 4, wherein the breakdown temperature represents a melting temperature of the particular cell.
9. A system according to claim 4, wherein the ratio of energy content-to-contact surface area is less than approximately 0.006 Wh/cm2.
10. A system according to claim 4, wherein each of the plurality of electrochemical cells has a prismatic configuration.
11. A system according to claim 4, wherein each of the plurality of electrochemical cells has a surface area rapping between approximately 100 cm2 and 400 cm2 and an energy content ranging between approximately 10 Wh and 40 Wh.
12. A system according to claim 2, wherein:
the electrochemical cells are arranged such that a planar surface of a particular cell of the plurality of cells is in thermal contact with a planar surface of a cell disposed adjacent the particular cell; and the planar surfaces of the particular cell and the adjacent cell each have a ratio of energy content-to-contact surface area such that thermal energy produced by a short-circuit condition arising in the particular cell is conducted to the adjacent cell so as to prevent a temperature of the particular cell from exceeding the breakdown temperature.
the electrochemical cells are arranged such that a planar surface of a particular cell of the plurality of cells is in thermal contact with a planar surface of a cell disposed adjacent the particular cell; and the planar surfaces of the particular cell and the adjacent cell each have a ratio of energy content-to-contact surface area such that thermal energy produced by a short-circuit condition arising in the particular cell is conducted to the adjacent cell so as to prevent a temperature of the particular cell from exceeding the breakdown temperature.
13. A system according to claim 2, wherein each of the plurality of electrochemical cells comprises lithium, and the breakdown temperature represents a melting temperature of lithium.
14. A system according to claim 12, wherein the planar surfaces of the particular and adjacent cells each have a ratio of energy content-to-contact surface area such that thermal energy produced by the short-circuit condition occurring in the particular cell is conducted to the adjacent cell so as to prevent a temperature of the particular cell from exceeding a safety temperature, the safety temperature being lower than the breakdown temperature.
15. A system according to claim 14, wherein the safety temperature is 130°C.
16. A system according to claim 12, wherein the ratio of energy content-to-contact surface area is less than approximately 0.006 Wh/cm2.
17. A system according to claim 12, wherein the ratio of energy content-to-contact surface area ranges between approximately 0.0034 Wh/cm2 and 0.0038 Wh/cm2.
18. A system according to claim 12. wherein each of the plurality of electrochemical cells has a prismatic configuration.
19. A system according to claim 12, wherein each of the plurality of electrochemical cells bas a surface area ranging between approximately 100 cm2 and 400 cm2.
20. A system according to claim 12, wherein each of the plurality of electrochemical cells has an energy convent ranging between approximately 10 Wh and 40 Wh.
21. A system according to claim 12, wherein each of the plurality of electrochemical cells has a thickness that varies between approximately 3 mm to 10 mm, and the ratio of energy content-to-contact surface area is less thin approximately 0.006 Wh/cm2.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/900,929 US6099986A (en) | 1997-07-25 | 1997-07-25 | In-situ short circuit protection system and method for high-energy electrochemical cells |
US08/900,929 | 1997-07-25 | ||
PCT/US1998/015299 WO1999005747A1 (en) | 1997-07-25 | 1998-07-23 | In situ short-circuit protection system and method for high-energy electrochemical cells |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2297839A1 true CA2297839A1 (en) | 1999-02-04 |
CA2297839C CA2297839C (en) | 2010-01-12 |
Family
ID=25413313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2297839 Expired - Lifetime CA2297839C (en) | 1997-07-25 | 1998-07-23 | In situ short-circuit protection system and method for high-energy electrochemical cells |
Country Status (6)
Country | Link |
---|---|
US (2) | US6099986A (en) |
EP (1) | EP1021850A1 (en) |
JP (1) | JP4267812B2 (en) |
AU (1) | AU8510998A (en) |
CA (1) | CA2297839C (en) |
WO (1) | WO1999005747A1 (en) |
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-
1997
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-
1998
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- 1998-07-23 WO PCT/US1998/015299 patent/WO1999005747A1/en not_active Application Discontinuation
- 1998-07-23 EP EP19980935973 patent/EP1021850A1/en not_active Withdrawn
- 1998-07-23 CA CA 2297839 patent/CA2297839C/en not_active Expired - Lifetime
- 1998-07-23 AU AU85109/98A patent/AU8510998A/en not_active Abandoned
-
2000
- 2000-06-02 US US09/586,218 patent/US6548206B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2001511635A (en) | 2001-08-14 |
CA2297839C (en) | 2010-01-12 |
WO1999005747A1 (en) | 1999-02-04 |
US6548206B1 (en) | 2003-04-15 |
AU8510998A (en) | 1999-02-16 |
JP4267812B2 (en) | 2009-05-27 |
EP1021850A1 (en) | 2000-07-26 |
US6099986A (en) | 2000-08-08 |
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