BATTERY PACK AND ELECTRIC DEVICE INCLUDING BATTERY PACK

• US 20150132613A1
• Filed: 11/10/2014
• Published: 05/14/2015
• Est. Priority Date: 11/12/2013
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: IKEDA, Masaki, IWAMURA, Norihiro
• Granted Patent: US 10,886,573 B2
• Time in Patent Office: Days
• US Class Current: 429/7
• CPC Class Codes: G01R 31/367 Software therefor, e.g. for battery testing using modelling or look-up tables
• CPC Class Codes: G01R 31/378 specially adapted for the type of battery or accumulator
• CPC Class Codes: G01R 31/388 involving voltage measurements
• CPC Class Codes: H01M 10/4221 with battery type recognition
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: H01M 10/4257 Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 10/48 Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569
• CPC Class Codes: H01M 10/486 for measuring temperature
• CPC Class Codes: H01M 2010/4278 Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
• CPC Class Codes: H01M 2220/30 Batteries in portable systems, e.g. mobile phone, laptop
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A battery pack includes a rechargeable battery, a battery information memory unit configured to store battery type information relating to a type of the rechargeable battery, and an information output unit configured to output the battery type information from the battery pack.

Claims

1. A battery pack comprising:

a rechargeable battery;

a battery information memory unit configured to store battery type information relating to a type of the rechargeable battery; and

an information output unit configured to output the battery type information from the battery pack.

2. The battery pack according to claim 1, wherein the battery type information includes information relating to a rated capacity of the rechargeable battery.

3. The battery pack according to claim 1, wherein the battery type information includes information relating to a manufacturer of the rechargeable battery.

4. The battery pack according to claim 1, wherein the battery type information includes information relating to a material of the rechargeable battery.

5. The battery pack according to claim 1, further comprising a charging control unit configured to measure the number of charge/discharge cycles of the rechargeable battery, wherein the information output unit is configured to output the battery type information including the number of charge/discharge cycles from the battery pack.

6. The battery pack according to claim 1, wherein the battery type information includes information indicating the relationship between a battery voltage of the rechargeable battery and a residual capacity of the rechargeable battery.

7. An electric device comprising:

the battery pack according to claim 1;

a capacity information memory unit configured to store voltage capacity information indicating the relationship between a battery voltage of the rechargeable battery and a residual capacity of the rechargeable battery;

a control unit configured to acquire the battery type information from the battery pack; and

a residual capacity calculation unit configured to calculate the residual capacity of the rechargeable battery by using the battery type information and the voltage capacity information.

8. An electric device comprising:

the battery pack according to claim 6;

a control unit configured to acquire the battery type information from the battery pack; and

a residual capacity calculation unit configured to calculate a residual capacity of the rechargeable battery by using the battery type information.