BATTERY HOLDER, BATTERY RECEIVING CASE, BATTERY PACK, ELECTRICITY ACCUMULATION SYSTEM, ELECTRONIC INSTRUMENT, ELECTRIC VEHICLE, AND ELECTRIC POWER SYSTEM

• US 20150222131A1
• Filed: 09/13/2012
• Published: 08/06/2015
• Est. Priority Date: 09/28/2011
• Status: Active Grant

• Current Assignee: Murata Manufacturing Co Limited
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: KANO, Hiroshi
• Granted Patent: US 9,716,391 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60L 50/64 Constructional details of batteries specially adapted for electric vehicles
• CPC Class Codes: B60L 55/00 Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• CPC Class Codes: B60L 58/21 having the same nominal voltage
• CPC Class Codes: H01M 10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• CPC Class Codes: H01M 2200/00 Safety devices for primary or secondary batteries
• CPC Class Codes: H01M 2220/20 Batteries in motive systems, e.g. vehicle, ship, plane
• CPC Class Codes: H01M 2220/30 Batteries in portable systems, e.g. mobile phone, laptop
• CPC Class Codes: H01M 50/213 adapted for cells having curved cross-section, e.g. round or elliptic H01M50/209, H01M50/216 take precedence
• CPC Class Codes: H01M 50/24 adapted for protecting batteries from their environment, e.g. from corrosion thermal insulation H01M10/658
• CPC Class Codes: H01M 50/242 adapted for protecting batteries against vibrations, collision impact or swelling
• CPC Class Codes: H01M 50/249 specially adapted for aircraft or vehicles, e.g. cars or trains constructional details of batteries specially adapted for electric vehicles B60L50/64
• CPC Class Codes: H01M 50/289 characterised by spacing elements or positioning means within frames, racks or packs spacing elements inside cells other than separators, membranes or diaphragms H01M50/471
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence
• CPC Class Codes: H02J 7/34 Parallel operation in networks using both storage and other dc sources, e.g. providing buffering H02J7/14 takes precedence
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 : Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y04S 10/126 : the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]

Abstract

There is provided a battery holder including: a plurality of battery cell receiving sections for receiving a battery cell. A deformation section elastically deformed depending on transmission of external impact, and a space section for allowing the deformation section to be elastically deformed are formed between a peripheral surface of one battery cell receiving section and a peripheral surface of another battery cell receiving section.

Claims

1. A battery holder comprising:

a plurality of battery cell receiving sections for receiving a battery cell,

wherein a deformation section elastically deformed depending on transmission of external impact, and a space section for allowing the deformation section to be elastically deformed are formed between a peripheral surface of one battery cell receiving section and a peripheral surface of another battery cell receiving section.

2. The battery holder according to claim 1,

wherein the deformation section is a protrusion formed to be substantially parallel to the battery cell receiving section, and the space section is formed inside the protrusion.

3. The battery holder according to claim 1,

wherein the deformation section includes a first protrusion which protrudes from the peripheral surface of the one battery cell receiving section and is formed to be substantially parallel to the one battery cell receiving section, and a second protrusion which protrudes from the peripheral surface of the other battery cell receiving section and is formed to be substantially parallel to the other battery cell receiving section, and

the space section includes a facing gap formed by an end surface of the first protrusion and an end surface of the second protrusion, and a cavity section which is formed inside the first and second protrusions and communicates with the facing gap.

4. A battery receiving case comprising:

a battery holder in which a plurality of battery cell receiving sections for receiving a battery cell are formed, and a deformation section elastically deformed depending on transmission of external impact and a space section for allowing the deformation section to be elastically deformed are formed between a peripheral surface of one battery cell receiving section and a peripheral surface of another battery cell receiving section; and

a case in which the battery holder is received and a projection coming into contact with the deformation section is formed on an inner surface thereof.

5. The battery receiving case according to claim 4,

wherein the deformation section is a protrusion formed to be substantially parallel to the battery cell receiving section, and the space section is formed inside the protrusion.

6. The battery receiving case according to claim 4,

wherein the deformation section includes a first protrusion which protrudes from the peripheral surface of the one battery cell receiving section and is formed to be substantially parallel to the one battery cell receiving section, and a second protrusion which protrudes from the peripheral surface of the other battery cell receiving section and is formed to be substantially parallel to the other battery cell receiving section, and

the space section includes a facing gap formed by an end surface of the first protrusion and an end surface of the second protrusion, and a cavity section which is formed inside the first and second protrusions and communicates with the facing gap.

7. The battery receiving case according to claim 6,

wherein a plurality of projections are formed in line so as to come into contact with the first protrusion, and a plurality of projections are formed in line so as to come into contact with the second protrusion.

8. The battery receiving case according to claim 7,

wherein the first protrusion, the second protrusion, and the projections each have sloped sections, the sloped section of the first protrusion comes into contact with the respective sloped sections of the plurality of projections, and the sloped section of the second protrusion comes into contact with the respective sloped sections of the protrusions.

9. The battery receiving case according to claim 8,

wherein end surfaces having openings are each formed in one ends of the one battery cell receiving section and the other battery cell receiving section,

a wall section is erected in the case so as to be substantially parallel to a predetermined side plate of the case, and

a notch is formed in a position corresponding to a position of the opening in the wall section.

10. The battery receiving case according to claim 9,

wherein a positioning section, which integrates a predetermined location of the wall section and the predetermined side plate, is formed, and

an end surface of the positioning section comes into contact with a boundary region between each end surface of the one battery cell receiving section and the other battery cell receiving section.

11. A battery receiving case comprising:

a battery holder in which a plurality of battery cell receiving sections for receiving a battery cell are formed; and

a case in which the battery holder is received,

wherein end surfaces having openings are formed in one ends of the battery cell receiving sections,

a wall section substantially parallel to a predetermined side plate of the case is erected in the case, and

a notch is formed in a position corresponding to a position of the opening in the wall section.

12. The battery receiving case according to claim 11,

wherein a positioning section, which integrates a predetermined location of the wall section with the predetermined side plate, is formed, and

an end surface of the positioning section comes into contact with a boundary region between each end surface of one battery cell receiving section and another battery cell receiving section.

13. A battery pack comprising:

a plurality of battery cells;

a battery holder in which a plurality of battery cell receiving sections for receiving the plurality of battery cells are formed, and a deformation section elastically deformed depending on transmission of external impact and a space section for allowing the deformation section to be elastically deformed are formed between a peripheral surface of one battery cell receiving section and a peripheral surface of another battery cell receiving section; and

a battery receiving case in which the battery holder is received and a projection coming into contact with the deformation section is formed on an inner surface thereof.

14. An electricity accumulation system wherein the battery pack according to claim 13 is charged by a power generator which performs power generation from renewable energy.

15. An electricity accumulation system which supplies an electronic instrument connected to the battery pack according to claim 13 with electric power.

16. An electronic instrument which receives electric power from the battery pack according to claim 13.

17. An electric vehicle comprising:

a conversion device that receives electric power from the battery pack according to claim 13 and converts the electric power into driving force of a vehicle; and

a control device that performs information processing about vehicle control based on information about the battery pack.

18. An electric power system comprising:

an electric power information transmission and reception section that transmits and receives signals to and from another instrument via a network,

wherein the electric power system performs charging and discharging control of the battery pack according to claim 13 based on information received by the electric power information transmission and reception section.

19. An electric power system which receives electric power from the battery pack according to claim 13 or supplies electric power from a power generator or a power network to the electricity accumulation system.