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Double-end input rechargeable secondary battery

A double-terminal input and secondary battery technology, which is applied in the direction of secondary batteries, secondary battery repair/maintenance, battery cover/end cover, etc., can solve the problem of integration effects and unsatisfactory appearance, complex processing technology, poor appearance, etc. question

Active Publication Date: 2020-03-27
NAT ENG RES CENT OF ADVANCED ENERGY STORAGE MATERIALS SHEN ZHEN LTD CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, when a battery with a smaller size (such as AAA type or R03 type) needs to integrate an input interface (such as a MicroUSB interface), due to the large size of the interface, the integration is relatively difficult, and the integration effect and appearance are not ideal. Some integration methods often lead to complex processing technology, low space utilization, and poor appearance

Method used

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  • Double-end input rechargeable secondary battery
  • Double-end input rechargeable secondary battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Taking the specific production of a cylindrical double-terminal input rechargeable secondary battery with a constant voltage output with a MicroUSB charging interface as an example, to further illustrate the structure and function of the double-terminal input rechargeable secondary battery. At the same time, the implementation method of double-terminal input rechargeable of this kind of double-terminal input rechargeable secondary battery is described.

[0055] A double-terminal input rechargeable secondary battery, which is cylindrical (its overall size must meet the requirements of the R03 model size specification required by the "IEC60086-2: 2011" standard), and its requirements are: battery diameter ≤ 10.5mm, The battery height H≤44.5mm, the battery has the charging function of its own MicroUSB interface; it has the charging function suitable for the charger charging stand; it has the charging management function; it has the charging protection and discharge protecti...

Embodiment 2

[0086] A double-terminal input rechargeable secondary battery, its structure is similar to the structure of the double-terminal input rechargeable secondary battery in Embodiment 1, the difference is that: the constant output voltage is 1.50V, the third resistor The specification of R3 is 4K±1%, and the maximum charging current of the battery is 156mA.

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Abstract

The invention provides a double-end input rechargeable secondary battery. The battery comprises a rechargeable battery cell, a steel shell, a first magnet, a second magnet, a third magnet, a fourth magnet, a MicroUSB interface, a protection IC, an integrated IC, a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a third capacitor, an inductor, an LED lamp, a plastic part, a hard FR-4 substrate, a metal cap and a spring ejector pin. Multiple integrated functions of a MicroUSB interface, double-end input type chargeability, constant voltage output, charging management and protection, and over-charging, over-discharging and over-current protection are realized. Compared with the prior art, the double-end input rechargeable secondary battery is high in capacity, convenient to charge and simple in process.

Description

technical field [0001] The present invention relates to a secondary battery, in particular to a secondary battery with a double-terminal charging input function (that is, the MicroUSB charging interface is used as the first charging input terminal, and the metal cap is used as the second charging input terminal and also as the only output terminal), which integrates Constant voltage output, charging management and charging protection, battery protection (including overcharge protection, over-discharge protection, over-current protection) and other functions, and also has a high-capacity dual-terminal input rechargeable secondary battery. Background technique [0002] Secondary batteries have the advantages of high specific energy and recyclability, and have been more and more widely used. For example, at present, lithium-ion secondary batteries have become the main power supply batteries for mobile phones, notebook computers, cameras, and portable mobile power sources, and i...

Claims

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Application Information

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IPC IPC(8): H01M2/30H01M2/20H01M2/04H01M10/42
CPCH01M10/4257H01M2010/4271H01M50/147H01M50/152H01M50/50H01M50/543Y02E60/10
Inventor 刘宏兵钟发平陈晓峰陈鹏飞龚颖林胡顺华
Owner NAT ENG RES CENT OF ADVANCED ENERGY STORAGE MATERIALS SHEN ZHEN LTD CO
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