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3V lithium battery

A lithium battery, battery technology, applied in battery pack parts, circuits, electrical components, etc., can solve problems such as incompatibility with electrical equipment

Active Publication Date: 2013-06-05
NINGBO GP ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the unified standard of the battery installation interface of electrical equipment has not been updated in time, the current 6V CR-P2 lithium battery is no longer suitable for new electrical equipment.

Method used

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  • 3V lithium battery
  • 3V lithium battery

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: a 3V lithium battery, including a plastic casing and a primary battery 1, the plastic casing has a first battery cavity 21 and a second battery cavity 22, the primary battery 1 is installed in the first battery cavity 21, the second A conductive columnar support frame is installed in the battery cavity 22, and one end of the plastic shell is provided with a positive electrode hole 31 and a negative electrode hole 32. The negative end of 1 is connected to the upper end of the columnar support frame by spot welding through a nickel strip 4, an insulating interlayer 5 is provided between the first battery cavity 21 and the second battery cavity 22, and one side of the columnar support frame is a curved side wall. The side of the columnar support frame facing the insulating interlayer 5 is a plane side wall, the curved side wall is in close contact with the inner wall of the second battery cavity 22, the plane side wall is in close contact with the insulating i...

Embodiment 2

[0015] Embodiment two: the remaining parts are the same as in embodiment one, the difference is that the columnar support frame includes an upper support plate 81, a lower support plate 82 and a pillar, the upper support plate 81 is connected with the lower support plate 82 through the pillar, and the upper support plate 81 Set on the upper end of the pillar, the lower support plate 82 is close to the negative electrode hole 32, the pillar is a triangular prism composed of the sides of three support plates 83 connected to each other, the structure of the upper support plate 81 and the lower support plate 82 is the same, and the upper support plate 81 It includes most of the arc edges and a straight edge, the arc edge is in close contact with the inner wall of the second battery chamber 22 , and the straight edge is in close contact with the insulating interlayer 5 .

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Abstract

The invention discloses a 3V lithium battery which is characterized by comprising a plastic casing and a battery cell, wherein two battery cavities, which are respectively a first battery cavity and a second battery cavity, are arranged in the plastic casing; the battery cell is installed in the first battery cavity; a conductive columnar supporting frame is installed in the second battery cavity; one end of the plastic casing is provided with a positive pole hole and a negative pole hole; a positive pole terminal of the battery cell is adjacent to the positive pole hole; the lower end of the columnar supporting frame is adjacent to the negative pole hole; and a negative pole terminal of the battery cell is connected with the upper end of the columnar supporting frame through a nickel strap in a spot welding mode. The invention has the following advantages: the columnar supporting frame is substituted for the traditional unit battery, thereby preventing the plastic casing from recess or deformation under an applied force. Under the conditions of adopting the traditional plastic casing, one CR17335 battery cell installed inside can satisfy the 3V power supply voltage of the electric apparatus.

Description

technical field [0001] The invention relates to a lithium battery, in particular to a 3V lithium battery. Background technique [0002] Lithium batteries are mainly used in electrical appliances such as cameras, smoke alarms, gas meters, electricity meters, and water meters that require large capacity, long storage time, and wide operating temperature range. The structure of the traditional CR-P2 lithium battery includes a plastic shell and two Battery, CR-P2 lithium battery voltage is 6V. A single battery that is not packaged and insulated is called a "plain battery", and the negative side wall of the prime battery is exposed. With the rapid development of electronic technology, the chips and peripheral circuits of electrical equipment are becoming more and more energy-efficient, and the power supply voltage of many newly developed electrical equipment has been reduced from the original 6V to the current 3V. And because the uniform standard of the battery installation int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M2/20
CPCY02E60/12Y02E60/10
Inventor 郁宇骏吴葆荪
Owner NINGBO GP ENERGY CO LTD